[pango/pango2: 112/195] Replace PangoLayout
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [pango/pango2: 112/195] Replace PangoLayout
- Date: Mon, 6 Jun 2022 04:14:43 +0000 (UTC)
commit 5dbba7e14c2660cf76937bf7d270336b68af060c
Author: Matthias Clasen <mclasen redhat com>
Date: Sun Jun 5 22:53:42 2022 -0400
Replace PangoLayout
This commit replaces the old PangoLayout implementation
with PangoSimpleLayout, and does all the necessary
cleanups.
examples/cairoshape.c | 18 +-
examples/cairosimple.c | 14 +-
examples/cairotwisted.c | 10 +-
pango/ellipsize.c | 53 -
pango/meson.build | 6 +-
pango/pango-attributes.c | 15 +-
pango/pango-layout-private.h | 160 -
pango/pango-layout.c | 8599 +++-----------------
pango/pango-layout.h | 493 +-
pango/pango-line-breaker.c | 42 +-
pango/pango-line-iter.c | 40 +-
pango/pango-line-iter.h | 64 +-
pango/pango-line-private.h | 26 +-
pango/pango-line.c | 46 +-
pango/pango-line.h | 99 +-
pango/pango-lines.c | 76 +-
pango/pango-lines.h | 2 -
pango/pango-renderer.c | 179 +-
pango/pango-renderer.h | 31 +-
...go-layout-run-private.h => pango-run-private.h} | 11 +-
pango/{pango-layout-run.c => pango-run.c} | 42 +-
pango/{pango-layout-run.h => pango-run.h} | 14 +-
pango/pango-simple-layout.c | 1555 ----
pango/pango-simple-layout.h | 171 -
pango/pango-types.h | 31 +-
pango/pango.h | 3 +-
pango/pangocairo-context.c | 28 +-
pango/pangocairo-font.c | 31 +-
pango/pangocairo-render.c | 68 +-
pango/pangocairo.h | 19 +-
pango/pangofc-font.c | 31 +-
pango/pangowin32.c | 2 +-
pango/serializer.c | 562 +-
tests/test-bidi.c | 28 +-
tests/test-break.c | 10 +-
tests/test-ellipsize.c | 52 +-
tests/test-layout.c | 17 +-
tests/test-pangocairo-threads.c | 20 +-
tests/testiter.c | 61 +-
tests/testmisc.c | 168 +-
tests/testrandom.c | 38 +-
utils/pango-segmentation.c | 10 +-
utils/viewer-pangocairo.c | 138 +-
utils/viewer-render.c | 39 +-
44 files changed, 1965 insertions(+), 11157 deletions(-)
---
diff --git a/examples/cairoshape.c b/examples/cairoshape.c
index 4c1de86b..49ac3510 100644
--- a/examples/cairoshape.c
+++ b/examples/cairoshape.c
@@ -122,22 +122,22 @@ mini_svg_shape_renderer (cairo_t *cr,
}
-static PangoSimpleLayout *
+static PangoLayout *
get_layout (cairo_t *cr)
{
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoAttrList *attrs;
PangoRectangle ink_rect = {1 * PANGO_SCALE, -11 * PANGO_SCALE, 8 * PANGO_SCALE, 10 * PANGO_SCALE};
PangoRectangle logical_rect = {0 * PANGO_SCALE, -12 * PANGO_SCALE, 10 * PANGO_SCALE, 12 * PANGO_SCALE};
const char *p;
- /* Create a PangoSimpleLayout, set the font and text */
- layout = pango_cairo_create_simple_layout (cr);
+ /* Create a PangoLayout, set the font and text */
+ layout = pango_cairo_create_layout (cr);
- pango_cairo_context_set_shape_renderer (pango_simple_layout_get_context (layout),
+ pango_cairo_context_set_shape_renderer (pango_layout_get_context (layout),
mini_svg_shape_renderer, NULL, NULL);
- pango_simple_layout_set_text (layout, text, -1);
+ pango_layout_set_text (layout, text, -1);
attrs = pango_attr_list_new ();
@@ -157,7 +157,7 @@ get_layout (cairo_t *cr)
pango_attr_list_insert (attrs, attr);
}
- pango_simple_layout_set_attributes (layout, attrs);
+ pango_layout_set_attributes (layout, attrs);
pango_attr_list_unref (attrs);
return layout;
@@ -166,8 +166,8 @@ get_layout (cairo_t *cr)
static void
draw_text (cairo_t *cr, int *width, int *height)
{
- PangoSimpleLayout *layout = get_layout (cr);
- PangoLines *lines = pango_simple_layout_get_lines (layout);
+ PangoLayout *layout = get_layout (cr);
+ PangoLines *lines = pango_layout_get_lines (layout);
/* Adds a fixed 10-pixel margin on the sides. */
diff --git a/examples/cairosimple.c b/examples/cairosimple.c
index 3d7a5428..6235a02a 100644
--- a/examples/cairosimple.c
+++ b/examples/cairosimple.c
@@ -17,7 +17,7 @@ draw_text (cairo_t *cr)
*/
#define TWEAKABLE_SCALE ((double) 0.1)
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoLines *lines;
PangoFontDescription *desc;
int i;
@@ -26,17 +26,17 @@ draw_text (cairo_t *cr)
*/
cairo_translate (cr, RADIUS / TWEAKABLE_SCALE, RADIUS / TWEAKABLE_SCALE);
- /* Create a PangoSimpleLayout, set the font and text */
- layout = pango_cairo_create_simple_layout (cr);
+ /* Create a PangoLayout, set the font and text */
+ layout = pango_cairo_create_layout (cr);
- pango_simple_layout_set_text (layout, "Test\nسَلام", -1);
+ pango_layout_set_text (layout, "Test\nسَلام", -1);
desc = pango_font_description_from_string (FONT_WITH_MANUAL_SIZE);
pango_font_description_set_absolute_size (desc, FONT_SIZE * DEVICE_DPI * PANGO_SCALE / (72.0 *
TWEAKABLE_SCALE));
//pango_font_description_set_size(desc, 27 * PANGO_SCALE / TWEAKABLE_SCALE);
printf("PANGO_SCALE = %d\n", PANGO_SCALE);
- pango_simple_layout_set_font_description (layout, desc);
+ pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
/* Draw the layout N_WORDS times in a circle */
@@ -55,9 +55,9 @@ draw_text (cairo_t *cr)
cairo_rotate (cr, angle * G_PI / 180.);
/* Inform Pango to re-layout the text with the new transformation */
- pango_cairo_update_simple_layout (cr, layout);
+ pango_cairo_update_layout (cr, layout);
- lines = pango_simple_layout_get_lines (layout);
+ lines = pango_layout_get_lines (layout);
pango_lines_get_extents (lines, NULL, &ext);
cairo_move_to (cr,( - (((double)ext.width) / PANGO_SCALE) / 2.0) , (- RADIUS) / TWEAKABLE_SCALE);
diff --git a/examples/cairotwisted.c b/examples/cairotwisted.c
index 8323453a..88f781b4 100644
--- a/examples/cairotwisted.c
+++ b/examples/cairotwisted.c
@@ -471,7 +471,7 @@ draw_text (cairo_t *cr,
const char *font,
const char *text)
{
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoLine *line;
PangoFontDescription *desc;
cairo_font_options_t *font_options;
@@ -484,15 +484,15 @@ draw_text (cairo_t *cr,
cairo_set_font_options (cr, font_options);
cairo_font_options_destroy (font_options);
- layout = pango_cairo_create_simple_layout (cr);
+ layout = pango_cairo_create_layout (cr);
desc = pango_font_description_from_string (font);
- pango_simple_layout_set_font_description (layout, desc);
+ pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
- pango_simple_layout_set_text (layout, text, -1);
+ pango_layout_set_text (layout, text, -1);
- line = pango_lines_get_line (pango_simple_layout_get_lines (layout), 0, NULL, NULL);
+ line = pango_lines_get_line (pango_layout_get_lines (layout), 0, NULL, NULL);
cairo_move_to (cr, x, y);
pango_cairo_line_path (cr, line);
diff --git a/pango/ellipsize.c b/pango/ellipsize.c
index 7f121a80..ebe8a684 100644
--- a/pango/ellipsize.c
+++ b/pango/ellipsize.c
@@ -23,7 +23,6 @@
#include <string.h>
#include "pango-glyph-item.h"
-#include "pango-layout-private.h"
#include "pango-font-private.h"
#include "pango-attributes-private.h"
#include "pango-impl-utils.h"
@@ -744,58 +743,6 @@ current_width (EllipsizeState *state)
return state->total_width - (state->gap_end_x - state->gap_start_x) + state->ellipsis_width;
}
-/**
- * _pango_layout_line_ellipsize:
- * @line: a `PangoLayoutLine`
- * @attrs: Attributes being used for itemization/shaping
- * @shape_flags: Flags to use when shaping
- *
- * Given a `PangoLayoutLine` with the runs still in logical order, ellipsize
- * it according the layout's policy to fit within the set width of the layout.
- *
- * Return value: whether the line had to be ellipsized
- **/
-gboolean
-_pango_layout_line_ellipsize (PangoLayoutLine *line,
- PangoAttrList *attrs,
- PangoShapeFlags shape_flags,
- int goal_width)
-{
- PangoLayout *layout = line->layout;
- PangoContext *context = layout->context;
- const char *text = layout->text;
- PangoLogAttr *log_attrs = layout->log_attrs;
- PangoEllipsizeMode ellipsize = layout->ellipsize;
- EllipsizeState state;
- gboolean is_ellipsized = FALSE;
-
- g_return_val_if_fail (ellipsize != PANGO_ELLIPSIZE_NONE && goal_width >= 0, is_ellipsized);
-
- init_state (&state, context, text, line->start_index, log_attrs, ellipsize, line->runs, attrs,
shape_flags);
-
- if (state.total_width <= goal_width)
- goto out;
-
- find_initial_span (&state);
-
- while (current_width (&state) > goal_width)
- {
- if (!remove_one_span (&state))
- break;
- }
-
- fixup_ellipsis_run (&state, MAX (goal_width - current_width (&state), 0));
-
- g_slist_free (line->runs);
- line->runs = get_run_list (&state);
- is_ellipsized = TRUE;
-
- out:
- free_state (&state);
-
- return is_ellipsized;
-}
-
void
pango_line_ellipsize (PangoLine *line,
PangoContext *context,
diff --git a/pango/meson.build b/pango/meson.build
index 1478bfda..2e52201e 100644
--- a/pango/meson.build
+++ b/pango/meson.build
@@ -33,12 +33,11 @@ pango_sources = [
'serializer.c',
'json/gtkjsonparser.c',
'json/gtkjsonprinter.c',
- 'pango-layout-run.c',
'pango-line.c',
+ 'pango-run.c',
'pango-line-breaker.c',
'pango-lines.c',
'pango-line-iter.c',
- 'pango-simple-layout.c',
]
pango_headers = [
@@ -62,8 +61,8 @@ pango_headers = [
'pango-gravity.h',
'pango-item.h',
'pango-language.h',
- 'pango-layout-run.h',
'pango-line.h',
+ 'pango-run.h',
'pango-line-breaker.h',
'pango-line-iter.h',
'pango-lines.h',
@@ -72,7 +71,6 @@ pango_headers = [
'pango-markup.h',
'pango-renderer.h',
'pango-script.h',
- 'pango-simple-layout.h',
'pango-tabs.h',
'pango-types.h',
'pango-utils.h',
diff --git a/pango/pango-attributes.c b/pango/pango-attributes.c
index 25f39b11..18232367 100644
--- a/pango/pango-attributes.c
+++ b/pango/pango-attributes.c
@@ -1510,12 +1510,8 @@ pango_attr_overline_color_new (guint16 red,
* Modify the height of logical line extents by a factor.
*
* This affects the values returned by
- * [method@Pango.LayoutLine.get_extents],
- * [method@Pango.LayoutLine.get_pixel_extents] and
- * [method@Pango.LayoutIter.get_line_extents].
- *
- *
- * Since: 1.50
+ * [method Pango Line.get_extents] and
+ * [method@Pango.LineIter.get_line_extents].
*/
PangoAttribute *
pango_attr_line_height_new (double factor)
@@ -1537,11 +1533,8 @@ pango_attr_line_height_new (double factor)
* Override the height of logical line extents to be @height.
*
* This affects the values returned by
- * [method@Pango.LayoutLine.get_extents],
- * [method@Pango.LayoutLine.get_pixel_extents] and
- * [method@Pango.LayoutIter.get_line_extents].
- *
- * Since: 1.50
+ * [method Pango Line.get_extents],
+ * [method@Pango.LineIter.get_line_extents].
*/
PangoAttribute *
pango_attr_line_height_new_absolute (int height)
diff --git a/pango/pango-layout.c b/pango/pango-layout.c
index 0062696d..817c1306 100644
--- a/pango/pango-layout.c
+++ b/pango/pango-layout.c
@@ -1,23 +1,11 @@
-/* Pango
- * pango-layout.c: High-level layout driver
- *
- * Copyright (C) 2000, 2001, 2006 Red Hat Software
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
+#include "config.h"
+
+#include "pango-layout.h"
+#include "pango-line-breaker.h"
+#include "pango-line-private.h"
+#include "pango-enum-types.h"
+#include "pango-markup.h"
+#include "pango-context.h"
/**
* PangoLayout:
@@ -25,19 +13,21 @@
* A `PangoLayout` structure represents an entire paragraph of text.
*
* While complete access to the layout capabilities of Pango is provided
- * using the detailed interfaces for itemization and shaping, using
- * that functionality directly involves writing a fairly large amount
- * of code. `PangoLayout` provides a high-level driver for formatting
- * entire paragraphs of text at once. This includes paragraph-level
- * functionality such as line breaking, justification, alignment and
- * ellipsization.
+ * using the detailed interfaces for itemization, segmentation and shaping,
+ * using that functionality directly involves writing a fairly large amount
+ * of code. `PangoLayout` provides a high-level driver for formatting entire
+ * paragraphs of text at once. This includes paragraph-level functionality
+ * such as line breaking, justification, alignment and ellipsization.
*
- * A `PangoLayout` is initialized with a `PangoContext`, UTF-8 string
+ * A `PangoLayout` is initialized with a `PangoContext`, a UTF-8 string
* and set of attributes for that string. Once that is done, the set of
- * formatted lines can be extracted from the object, the layout can be
- * rendered, and conversion between logical character positions within
- * the layout's text, and the physical position of the resulting glyphs
- * can be made.
+ * formatted lines can be extracted in the form of a [class@Pango.Lines]
+ * object, the layout can be rendered, and conversion between logical
+ * character positions within the layout's text, and the physical position
+ * of the resulting glyphs can be made.
+ *
+ * The most convenient way to access the visual extents and components
+ * of a formatted layout is via a [struct@Pango.LineIter] iterator.
*
* There are a number of parameters to adjust the formatting of a
* `PangoLayout`. The following image shows adjustable parameters
@@ -48,130 +38,77 @@
* <img alt="Pango Layout Parameters" src="layout-light.png">
* </picture>
*
- * The following images demonstrate the effect of alignment and
- * justification on the layout of text:
+ * The following images demonstrate the effect of alignment and justification
+ * on the layout of text:
*
- * | | |
- * | --- | --- |
- * |  |  |
- * |  |  |
- * |  |  |
+ * | | | |
+ * | --- | --- | --- |
+ * |  |  |  |
+ * |  | | |
*
+ * It is possible, as well, to ignore the 2-D setup, and simply treat the
+ * resulting `PangoLines` object as a list of lines.
*
- * It is possible, as well, to ignore the 2-D setup,
- * and simply treat the results of a `PangoLayout` as a list of lines.
+ * If you have more complex line breaking needs, such as shaping text
+ * to flow around images, or multi-column layout, the [class@Pango.LineBreaker]
+ * makes the underlying line-breaking functionality available outside of
+ * `PangoLayout`.
*/
-/**
- * PangoLayoutIter:
- *
- * A `PangoLayoutIter` can be used to iterate over the visual
- * extents of a `PangoLayout`.
- *
- * To obtain a `PangoLayoutIter`, use [method@Pango.Layout.get_iter].
- *
- * The `PangoLayoutIter` structure is opaque, and has no user-visible fields.
- */
-
-#include "config.h"
-#include "pango-glyph.h" /* For pango_shape() */
-#include "pango-break.h"
-#include "pango-item-private.h"
-#include "pango-impl-utils.h"
-#include "pango-glyph-item.h"
-#include <string.h>
-#include <math.h>
-#include <locale.h>
-
-#include <hb-ot.h>
-#include "pango-layout-private.h"
-#include "pango-attributes-private.h"
-#include "pango-font-private.h"
-#include "pango-utils-internal.h"
+/* {{{ PangoLayout implementation */
-
-typedef struct _ParaBreakState ParaBreakState;
-typedef struct _LastTabState LastTabState;
-
-typedef struct _PangoLayoutLinePrivate PangoLayoutLinePrivate;
-
-struct _PangoLayoutLinePrivate
+struct _PangoLayout
{
- PangoLayoutLine line;
- guint ref_count;
+ GObject parent_instance;
- /* Extents cache status:
- *
- * LEAKED means that the user has access to this line structure or a
- * run included in this line, and so can change the glyphs/glyph-widths.
- * If this is true, extents caching will be disabled.
- */
- enum {
- NOT_CACHED,
- CACHED,
- LEAKED
- } cache_status;
- PangoRectangle ink_rect;
- PangoRectangle logical_rect;
+ PangoContext *context;
+ char *text;
+ int length;
+ PangoAttrList *attrs;
+ PangoFontDescription *font_desc;
+ float line_spacing;
+ int width;
int height;
+ PangoTabArray *tabs;
+ gboolean single_paragraph;
+ PangoWrapMode wrap;
+ int indent;
+ guint serial;
+ guint context_serial;
+ PangoAlignment alignment;
+ PangoEllipsizeMode ellipsize;
+ gboolean auto_dir;
+
+ PangoLines *lines;
};
struct _PangoLayoutClass
{
GObjectClass parent_class;
-
-
};
-#define LINE_IS_VALID(line) ((line) && (line)->layout != NULL)
-
-#ifdef G_DISABLE_CHECKS
-#define ITER_IS_INVALID(iter) FALSE
-#else
-#define ITER_IS_INVALID(iter) G_UNLIKELY (check_invalid ((iter), G_STRLOC))
-static gboolean
-check_invalid (PangoLayoutIter *iter,
- const char *loc)
-{
- if (iter->line->layout == NULL)
- {
- g_warning ("%s: PangoLayout changed since PangoLayoutIter was created, iterator invalid", loc);
- return TRUE;
- }
- else
- {
- return FALSE;
- }
-}
-#endif
-
-static void check_context_changed (PangoLayout *layout);
-static void layout_changed (PangoLayout *layout);
-
-static void pango_layout_clear_lines (PangoLayout *layout);
-static void pango_layout_check_lines (PangoLayout *layout);
-
-static PangoAttrList *pango_layout_get_effective_attributes (PangoLayout *layout);
-
-static PangoLayoutLine * pango_layout_line_new (PangoLayout *layout);
-static void pango_layout_line_postprocess (PangoLayoutLine *line,
- ParaBreakState *state,
- gboolean wrapped);
-
-static void pango_layout_line_leaked (PangoLayoutLine *line);
-
-/* doesn't leak line */
-static PangoLayoutLine * _pango_layout_iter_get_line (PangoLayoutIter *iter);
-static PangoLayoutRun * _pango_layout_iter_get_run (PangoLayoutIter *iter);
-
-static void pango_layout_get_empty_extents_and_height_at_index (PangoLayout *layout,
- int index,
- PangoRectangle *logical_rect,
- gboolean apply_line_height,
- int *height);
+enum
+{
+ PROP_CONTEXT = 1,
+ PROP_TEXT,
+ PROP_ATTRIBUTES,
+ PROP_FONT_DESCRIPTION,
+ PROP_LINE_SPACING,
+ PROP_WIDTH,
+ PROP_HEIGHT,
+ PROP_TABS,
+ PROP_SINGLE_PARAGRAPH,
+ PROP_WRAP,
+ PROP_INDENT,
+ PROP_ALIGNMENT,
+ PROP_ELLIPSIZE,
+ PROP_AUTO_DIR,
+ PROP_LINES,
+ NUM_PROPERTIES
+};
-static void pango_layout_finalize (GObject *object);
+static GParamSpec *props[NUM_PROPERTIES] = { NULL, };
G_DEFINE_TYPE (PangoLayout, pango_layout, G_TYPE_OBJECT)
@@ -179,7710 +116,1514 @@ static void
pango_layout_init (PangoLayout *layout)
{
layout->serial = 1;
- layout->attrs = NULL;
- layout->font_desc = NULL;
- layout->text = NULL;
- layout->length = 0;
layout->width = -1;
layout->height = -1;
layout->indent = 0;
- layout->spacing = 0;
- layout->line_spacing = 0.0;
-
- layout->alignment = PANGO_ALIGN_LEFT;
- layout->justify = FALSE;
- layout->justify_last_line = FALSE;
- layout->auto_dir = TRUE;
- layout->single_paragraph = FALSE;
-
- layout->log_attrs = NULL;
- layout->lines = NULL;
- layout->line_count = 0;
-
- layout->tab_width = -1;
- layout->decimal = 0;
- layout->unknown_glyphs_count = -1;
-
layout->wrap = PANGO_WRAP_WORD;
- layout->is_wrapped = FALSE;
+ layout->alignment = PANGO_ALIGN_LEFT;
layout->ellipsize = PANGO_ELLIPSIZE_NONE;
- layout->is_ellipsized = FALSE;
+ layout->line_spacing = 0.0;
+ layout->auto_dir = TRUE;
+ layout->text = g_strdup ("");
+ layout->length = 0;
}
static void
-pango_layout_class_init (PangoLayoutClass *klass)
+pango_layout_finalize (GObject *object)
{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ PangoLayout *layout = PANGO_LAYOUT (object);
- object_class->finalize = pango_layout_finalize;
+ g_clear_pointer (&layout->font_desc, pango_font_description_free);
+ g_object_unref (layout->context);
+ g_free (layout->text);
+ g_clear_pointer (&layout->attrs, pango_attr_list_unref);
+ g_clear_pointer (&layout->tabs, pango_tab_array_free);
+ g_clear_object (&layout->lines);
+
+ G_OBJECT_CLASS (pango_layout_parent_class)->finalize (object);
}
static void
-pango_layout_finalize (GObject *object)
+pango_layout_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
{
- PangoLayout *layout;
+ PangoLayout *layout = PANGO_LAYOUT (object);
- layout = PANGO_LAYOUT (object);
+ switch (prop_id)
+ {
+ case PROP_CONTEXT:
+ layout->context = g_value_dup_object (value);
+ layout->context_serial = pango_context_get_serial (layout->context);
+ break;
- pango_layout_clear_lines (layout);
- g_free (layout->log_attrs);
+ case PROP_TEXT:
+ pango_layout_set_text (layout, g_value_get_string (value), -1);
+ break;
- if (layout->context)
- g_object_unref (layout->context);
+ case PROP_ATTRIBUTES:
+ pango_layout_set_attributes (layout, g_value_get_boxed (value));
+ break;
- if (layout->attrs)
- pango_attr_list_unref (layout->attrs);
+ case PROP_FONT_DESCRIPTION:
+ pango_layout_set_font_description (layout, g_value_get_boxed (value));
+ break;
- g_free (layout->text);
+ case PROP_LINE_SPACING:
+ pango_layout_set_line_spacing (layout, g_value_get_float (value));
+ break;
- if (layout->font_desc)
- pango_font_description_free (layout->font_desc);
+ case PROP_WIDTH:
+ pango_layout_set_width (layout, g_value_get_int (value));
+ break;
- if (layout->tabs)
- pango_tab_array_free (layout->tabs);
+ case PROP_HEIGHT:
+ pango_layout_set_height (layout, g_value_get_int (value));
+ break;
- G_OBJECT_CLASS (pango_layout_parent_class)->finalize (object);
-}
+ case PROP_TABS:
+ pango_layout_set_tabs (layout, g_value_get_boxed (value));
+ break;
-/**
- * pango_layout_new:
- * @context: a `PangoContext`
- *
- * Create a new `PangoLayout` object with attributes initialized to
- * default values for a particular `PangoContext`.
- *
- * Return value: the newly allocated `PangoLayout`
- */
-PangoLayout *
-pango_layout_new (PangoContext *context)
-{
- PangoLayout *layout;
+ case PROP_SINGLE_PARAGRAPH:
+ pango_layout_set_single_paragraph (layout, g_value_get_boolean (value));
+ break;
- g_return_val_if_fail (context != NULL, NULL);
+ case PROP_WRAP:
+ pango_layout_set_wrap (layout, g_value_get_enum (value));
+ break;
- layout = g_object_new (PANGO_TYPE_LAYOUT, NULL);
+ case PROP_INDENT:
+ pango_layout_set_indent (layout, g_value_get_int (value));
+ break;
- layout->context = context;
- layout->context_serial = pango_context_get_serial (context);
- g_object_ref (context);
+ case PROP_ALIGNMENT:
+ pango_layout_set_alignment (layout, g_value_get_enum (value));
+ break;
- return layout;
-}
+ case PROP_ELLIPSIZE:
+ pango_layout_set_ellipsize (layout, g_value_get_enum (value));
+ break;
-/**
- * pango_layout_copy:
- * @src: a `PangoLayout`
- *
- * Creates a deep copy-by-value of the layout.
- *
- * The attribute list, tab array, and text from the original layout
- * are all copied by value.
- *
- * Return value: (transfer full): the newly allocated `PangoLayout`
- */
-PangoLayout*
-pango_layout_copy (PangoLayout *src)
-{
- PangoLayout *layout;
+ case PROP_AUTO_DIR:
+ pango_layout_set_auto_dir (layout, g_value_get_boolean (value));
+ break;
- g_return_val_if_fail (PANGO_IS_LAYOUT (src), NULL);
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
- /* Copy referenced members */
+static void
+pango_layout_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ PangoLayout *layout = PANGO_LAYOUT (object);
- layout = pango_layout_new (src->context);
- if (src->attrs)
- layout->attrs = pango_attr_list_copy (src->attrs);
- if (src->font_desc)
- layout->font_desc = pango_font_description_copy (src->font_desc);
- if (src->tabs)
- layout->tabs = pango_tab_array_copy (src->tabs);
+ switch (prop_id)
+ {
+ case PROP_CONTEXT:
+ g_value_set_object (value, layout->context);
+ break;
- /* Dupped */
- layout->text = g_strdup (src->text);
+ case PROP_TEXT:
+ g_value_set_string (value, layout->text);
+ break;
- /* Value fields */
- memcpy (&layout->copy_begin, &src->copy_begin,
- G_STRUCT_OFFSET (PangoLayout, copy_end) - G_STRUCT_OFFSET (PangoLayout, copy_begin));
+ case PROP_ATTRIBUTES:
+ g_value_set_boxed (value, layout->attrs);
+ break;
- return layout;
-}
+ case PROP_FONT_DESCRIPTION:
+ g_value_set_boxed (value, layout->font_desc);
+ break;
-/**
- * pango_layout_get_context:
- * @layout: a `PangoLayout`
- *
- * Retrieves the `PangoContext` used for this layout.
- *
- * Return value: (transfer none): the `PangoContext` for the layout
- */
-PangoContext *
-pango_layout_get_context (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, NULL);
+ case PROP_LINE_SPACING:
+ g_value_set_float (value, layout->line_spacing);
+ break;
- return layout->context;
-}
+ case PROP_WIDTH:
+ g_value_set_int (value, layout->width);
+ break;
-/**
- * pango_layout_set_width:
- * @layout: a `PangoLayout`.
- * @width: the desired width in Pango units, or -1 to indicate that no
- * wrapping or ellipsization should be performed.
- *
- * Sets the width to which the lines of the `PangoLayout` should wrap or
- * ellipsized.
- *
- * The default value is -1: no width set.
- */
-void
-pango_layout_set_width (PangoLayout *layout,
- int width)
-{
- g_return_if_fail (layout != NULL);
+ case PROP_HEIGHT:
+ g_value_set_int (value, layout->height);
+ break;
- if (width < 0)
- width = -1;
+ case PROP_TABS:
+ g_value_set_boxed (value, layout->tabs);
+ break;
- if (width != layout->width)
- {
- layout->width = width;
- layout_changed (layout);
- }
-}
+ case PROP_SINGLE_PARAGRAPH:
+ g_value_set_boolean (value, layout->single_paragraph);
+ break;
-/**
- * pango_layout_get_width:
- * @layout: a `PangoLayout`
- *
- * Gets the width to which the lines of the `PangoLayout` should wrap.
- *
- * Return value: the width in Pango units, or -1 if no width set.
- */
-int
-pango_layout_get_width (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, 0);
- return layout->width;
-}
+ case PROP_WRAP:
+ g_value_set_enum (value, layout->wrap);
+ break;
-/**
- * pango_layout_set_height:
- * @layout: a `PangoLayout`.
- * @height: the desired height of the layout in Pango units if positive,
- * or desired number of lines if negative.
- *
- * Sets the height to which the `PangoLayout` should be ellipsized at.
- *
- * There are two different behaviors, based on whether @height is positive
- * or negative.
- *
- * If @height is positive, it will be the maximum height of the layout. Only
- * lines would be shown that would fit, and if there is any text omitted,
- * an ellipsis added. At least one line is included in each paragraph regardless
- * of how small the height value is. A value of zero will render exactly one
- * line for the entire layout.
- *
- * If @height is negative, it will be the (negative of) maximum number of lines
- * per paragraph. That is, the total number of lines shown may well be more than
- * this value if the layout contains multiple paragraphs of text.
- * The default value of -1 means that the first line of each paragraph is ellipsized.
- * This behavior may be changed in the future to act per layout instead of per
- * paragraph. File a bug against pango at
- * [https://gitlab.gnome.org/gnome/pango](https://gitlab.gnome.org/gnome/pango)
- * if your code relies on this behavior.
- *
- * Height setting only has effect if a positive width is set on
- * @layout and ellipsization mode of @layout is not %PANGO_ELLIPSIZE_NONE.
- * The behavior is undefined if a height other than -1 is set and
- * ellipsization mode is set to %PANGO_ELLIPSIZE_NONE, and may change in the
- * future.
- *
- * Since: 1.20
- */
-void
-pango_layout_set_height (PangoLayout *layout,
- int height)
-{
- g_return_if_fail (layout != NULL);
+ case PROP_INDENT:
+ g_value_set_int (value, layout->indent);
+ break;
- if (height != layout->height)
- {
- layout->height = height;
-
- /* Do not invalidate if the number of lines requested is
- * larger than the total number of lines in layout.
- * Bug 549003
- */
- if (layout->ellipsize != PANGO_ELLIPSIZE_NONE &&
- !(layout->lines && layout->is_ellipsized == FALSE &&
- height < 0 && layout->line_count <= (guint) -height))
- layout_changed (layout);
- }
-}
+ case PROP_ALIGNMENT:
+ g_value_set_enum (value, layout->alignment);
+ break;
-/**
- * pango_layout_get_height:
- * @layout: a `PangoLayout`
- *
- * Gets the height of layout used for ellipsization.
- *
- * See [method@Pango.Layout.set_height] for details.
- *
- * Return value: the height, in Pango units if positive,
- * or number of lines if negative.
- *
- * Since: 1.20
- */
-int
-pango_layout_get_height (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, 0);
- return layout->height;
-}
+ case PROP_ELLIPSIZE:
+ g_value_set_enum (value, layout->ellipsize);
+ break;
-/**
- * pango_layout_set_wrap:
- * @layout: a `PangoLayout`
- * @wrap: the wrap mode
- *
- * Sets the wrap mode.
- *
- * The wrap mode only has effect if a width is set on the layout
- * with [method@Pango.Layout.set_width]. To turn off wrapping,
- * set the width to -1.
- *
- * The default value is %PANGO_WRAP_WORD.
- */
-void
-pango_layout_set_wrap (PangoLayout *layout,
- PangoWrapMode wrap)
-{
- g_return_if_fail (PANGO_IS_LAYOUT (layout));
+ case PROP_AUTO_DIR:
+ g_value_set_boolean (value, layout->auto_dir);
+ break;
- if (layout->wrap != wrap)
- {
- layout->wrap = wrap;
+ case PROP_LINES:
+ g_value_set_object (value, pango_layout_get_lines (layout));
+ break;
- if (layout->width != -1)
- layout_changed (layout);
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
}
}
-/**
- * pango_layout_get_wrap:
- * @layout: a `PangoLayout`
- *
- * Gets the wrap mode for the layout.
- *
- * Use [method@Pango.Layout.is_wrapped] to query whether
- * any paragraphs were actually wrapped.
- *
- * Return value: active wrap mode.
- */
-PangoWrapMode
-pango_layout_get_wrap (PangoLayout *layout)
+static void
+pango_layout_class_init (PangoLayoutClass *class)
{
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), 0);
-
- return layout->wrap;
-}
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
-/**
- * pango_layout_is_wrapped:
- * @layout: a `PangoLayout`
- *
- * Queries whether the layout had to wrap any paragraphs.
- *
- * This returns %TRUE if a positive width is set on @layout,
- * ellipsization mode of @layout is set to %PANGO_ELLIPSIZE_NONE,
- * and there are paragraphs exceeding the layout width that have
- * to be wrapped.
- *
- * Return value: %TRUE if any paragraphs had to be wrapped, %FALSE
- * otherwise
- *
- * Since: 1.16
- */
-gboolean
-pango_layout_is_wrapped (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, FALSE);
+ object_class->finalize = pango_layout_finalize;
+ object_class->set_property = pango_layout_set_property;
+ object_class->get_property = pango_layout_get_property;
- pango_layout_check_lines (layout);
+ /**
+ * PangoLayout:context: (attributes org.gtk.Property.get=pango_layout_get_context)
+ *
+ * The context for the `PangoLayout`.
+ */
+ props[PROP_CONTEXT] = g_param_spec_object ("context", "context", "context",
+ PANGO_TYPE_CONTEXT,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
- return layout->is_wrapped;
-}
+ /**
+ * PangoLayout:text: (attributes org.gtk.Property.get=pango_layout_get_text
org.gtk.Property.set=pango_layout_set_text)
+ *
+ * The text of the `PangoLayout`.
+ */
+ props[PROP_TEXT] = g_param_spec_string ("text", "text", "text",
+ "",
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
-/**
- * pango_layout_set_indent:
- * @layout: a `PangoLayout`
- * @indent: the amount by which to indent
- *
- * Sets the width in Pango units to indent each paragraph.
- *
- * A negative value of @indent will produce a hanging indentation.
- * That is, the first line will have the full width, and subsequent
- * lines will be indented by the absolute value of @indent.
- *
- * The indent setting is ignored if layout alignment is set to
- * %PANGO_ALIGN_CENTER.
- *
- * The default value is 0.
- */
-void
-pango_layout_set_indent (PangoLayout *layout,
- int indent)
-{
- g_return_if_fail (layout != NULL);
-
- if (indent != layout->indent)
- {
- layout->indent = indent;
- layout_changed (layout);
- }
-}
-
-/**
- * pango_layout_get_indent:
- * @layout: a `PangoLayout`
- *
- * Gets the paragraph indent width in Pango units.
- *
- * A negative value indicates a hanging indentation.
- *
- * Return value: the indent in Pango units
- */
-int
-pango_layout_get_indent (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, 0);
- return layout->indent;
-}
-
-/**
- * pango_layout_set_spacing:
- * @layout: a `PangoLayout`
- * @spacing: the amount of spacing
- *
- * Sets the amount of spacing in Pango units between
- * the lines of the layout.
- *
- * When placing lines with spacing, Pango arranges things so that
- *
- * line2.top = line1.bottom + spacing
- *
- * The default value is 0.
- *
- * Note: Since 1.44, Pango is using the line height (as determined
- * by the font) for placing lines when the line spacing factor is set
- * to a non-zero value with [method@Pango.Layout.set_line_spacing].
- * In that case, the @spacing set with this function is ignored.
- *
- * Note: for semantics that are closer to the CSS line-height
- * property, see [func@Pango.attr_line_height_new].
- */
-void
-pango_layout_set_spacing (PangoLayout *layout,
- int spacing)
-{
- g_return_if_fail (layout != NULL);
-
- if (spacing != layout->spacing)
- {
- layout->spacing = spacing;
- layout_changed (layout);
- }
-}
-
-/**
- * pango_layout_get_spacing:
- * @layout: a `PangoLayout`
- *
- * Gets the amount of spacing between the lines of the layout.
- *
- * Return value: the spacing in Pango units
- */
-int
-pango_layout_get_spacing (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, 0);
- return layout->spacing;
-}
-
-/**
- * pango_layout_set_line_spacing:
- * @layout: a `PangoLayout`
- * @factor: the new line spacing factor
- *
- * Sets a factor for line spacing.
- *
- * Typical values are: 0, 1, 1.5, 2. The default values is 0.
- *
- * If @factor is non-zero, lines are placed so that
- *
- * baseline2 = baseline1 + factor * height2
- *
- * where height2 is the line height of the second line
- * (as determined by the font(s)). In this case, the spacing
- * set with [method@Pango.Layout.set_spacing] is ignored.
- *
- * If @factor is zero (the default), spacing is applied as before.
- *
- * Note: for semantics that are closer to the CSS line-height
- * property, see [func@Pango.attr_line_height_new].
- *
- * Since: 1.44
- */
-void
-pango_layout_set_line_spacing (PangoLayout *layout,
- float factor)
-{
- g_return_if_fail (layout != NULL);
-
- if (layout->line_spacing != factor)
- {
- layout->line_spacing = factor;
- layout_changed (layout);
- }
-}
-
-/**
- * pango_layout_get_line_spacing:
- * @layout: a `PangoLayout`
- *
- * Gets the line spacing factor of @layout.
- *
- * See [method@Pango.Layout.set_line_spacing].
- *
- * Since: 1.44
- */
-float
-pango_layout_get_line_spacing (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, 1.0);
- return layout->line_spacing;
-}
-
-/**
- * pango_layout_set_attributes:
- * @layout: a `PangoLayout`
- * @attrs: (nullable) (transfer none): a `PangoAttrList`
- *
- * Sets the text attributes for a layout object.
- *
- * References @attrs, so the caller can unref its reference.
- */
-void
-pango_layout_set_attributes (PangoLayout *layout,
- PangoAttrList *attrs)
-{
- PangoAttrList *old_attrs;
-
- g_return_if_fail (layout != NULL);
-
- /* Both empty */
- if (!attrs && !layout->attrs)
- return;
-
- if (layout->attrs &&
- pango_attr_list_equal (layout->attrs, attrs))
- return;
-
- old_attrs = layout->attrs;
-
- /* We always clear lines such that this function can be called
- * whenever attrs changes.
- */
- layout->attrs = attrs;
- if (layout->attrs)
- pango_attr_list_ref (layout->attrs);
-
- g_clear_pointer (&layout->log_attrs, g_free);
- layout_changed (layout);
-
- if (old_attrs)
- pango_attr_list_unref (old_attrs);
- layout->tab_width = -1;
-}
-
-/**
- * pango_layout_get_attributes:
- * @layout: a `PangoLayout`
- *
- * Gets the attribute list for the layout, if any.
- *
- * Return value: (transfer none) (nullable): a `PangoAttrList`
- */
-PangoAttrList*
-pango_layout_get_attributes (PangoLayout *layout)
-{
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
-
- return layout->attrs;
-}
-
-/**
- * pango_layout_set_font_description:
- * @layout: a `PangoLayout`
- * @desc: (nullable): the new `PangoFontDescription`
- * to unset the current font description
- *
- * Sets the default font description for the layout.
- *
- * If no font description is set on the layout, the
- * font description from the layout's context is used.
- */
-void
-pango_layout_set_font_description (PangoLayout *layout,
- const PangoFontDescription *desc)
-{
- g_return_if_fail (layout != NULL);
-
- if (desc != layout->font_desc &&
- (!desc || !layout->font_desc || !pango_font_description_equal(desc, layout->font_desc)))
- {
- if (layout->font_desc)
- pango_font_description_free (layout->font_desc);
-
- layout->font_desc = desc ? pango_font_description_copy (desc) : NULL;
-
- layout_changed (layout);
- layout->tab_width = -1;
- }
-}
-
-/**
- * pango_layout_get_font_description:
- * @layout: a `PangoLayout`
- *
- * Gets the font description for the layout, if any.
- *
- * Return value: (transfer none) (nullable): a pointer to the
- * layout's font description, or %NULL if the font description
- * from the layout's context is inherited.
- *
- * Since: 1.8
- */
-const PangoFontDescription *
-pango_layout_get_font_description (PangoLayout *layout)
-{
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
-
- return layout->font_desc;
-}
-
-/**
- * pango_layout_set_justify:
- * @layout: a `PangoLayout`
- * @justify: whether the lines in the layout should be justified
- *
- * Sets whether each complete line should be stretched to fill the
- * entire width of the layout.
- *
- * Stretching is typically done by adding whitespace, but for some scripts
- * (such as Arabic), the justification may be done in more complex ways,
- * like extending the characters.
- *
- * Note that this setting is not implemented and so is ignored in
- * Pango older than 1.18.
- *
- * Note that tabs and justification conflict with each other:
- * Justification will move content away from its tab-aligned
- * positions.
- *
- * The default value is %FALSE.
- *
- * Also see [method@Pango.Layout.set_justify_last_line].
- */
-void
-pango_layout_set_justify (PangoLayout *layout,
- gboolean justify)
-{
- g_return_if_fail (layout != NULL);
-
- if (justify != layout->justify)
- {
- layout->justify = justify;
-
- if (layout->is_ellipsized ||
- layout->is_wrapped ||
- layout->justify_last_line)
- layout_changed (layout);
- }
-}
-
-/**
- * pango_layout_get_justify:
- * @layout: a `PangoLayout`
- *
- * Gets whether each complete line should be stretched to fill the entire
- * width of the layout.
- *
- * Return value: the justify value
- */
-gboolean
-pango_layout_get_justify (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, FALSE);
- return layout->justify;
-}
-
-/**
- * pango_layout_set_justify_last_line:
- * @layout: a `PangoLayout`
- * @justify: whether the last line in the layout should be justified
- *
- * Sets whether the last line should be stretched to fill the
- * entire width of the layout.
- *
- * This only has an effect if [method@Pango.Layout.set_justify] has
- * been called as well.
- *
- * The default value is %FALSE.
- *
- * Since: 1.50
- */
-void
-pango_layout_set_justify_last_line (PangoLayout *layout,
- gboolean justify)
-{
- g_return_if_fail (layout != NULL);
-
- if (justify != layout->justify_last_line)
- {
- layout->justify_last_line = justify;
-
- if (layout->justify)
- layout_changed (layout);
- }
-}
-
-/**
- * pango_layout_get_justify_last_line:
- * @layout: a `PangoLayout`
- *
- * Gets whether the last line should be stretched
- * to fill the entire width of the layout.
- *
- * Return value: the justify value
- *
- * Since: 1.50
- */
-gboolean
-pango_layout_get_justify_last_line (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, FALSE);
- return layout->justify_last_line;
-}
-
-/**
- * pango_layout_set_auto_dir:
- * @layout: a `PangoLayout`
- * @auto_dir: if %TRUE, compute the bidirectional base direction
- * from the layout's contents
- *
- * Sets whether to calculate the base direction
- * for the layout according to its contents.
- *
- * When this flag is on (the default), then paragraphs in @layout that
- * begin with strong right-to-left characters (Arabic and Hebrew principally),
- * will have right-to-left layout, paragraphs with letters from other scripts
- * will have left-to-right layout. Paragraphs with only neutral characters
- * get their direction from the surrounding paragraphs.
- *
- * When %FALSE, the choice between left-to-right and right-to-left
- * layout is done according to the base direction of the layout's
- * `PangoContext`. (See [method@Pango.Context.set_base_dir]).
- *
- * When the auto-computed direction of a paragraph differs from the
- * base direction of the context, the interpretation of
- * %PANGO_ALIGN_LEFT and %PANGO_ALIGN_RIGHT are swapped.
- *
- * Since: 1.4
- */
-void
-pango_layout_set_auto_dir (PangoLayout *layout,
- gboolean auto_dir)
-{
- g_return_if_fail (PANGO_IS_LAYOUT (layout));
-
- auto_dir = auto_dir != FALSE;
-
- if (auto_dir != layout->auto_dir)
- {
- layout->auto_dir = auto_dir;
- layout_changed (layout);
- }
-}
-
-/**
- * pango_layout_get_auto_dir:
- * @layout: a `PangoLayout`
- *
- * Gets whether to calculate the base direction for the layout
- * according to its contents.
- *
- * See [method@Pango.Layout.set_auto_dir].
- *
- * Return value: %TRUE if the bidirectional base direction
- * is computed from the layout's contents, %FALSE otherwise
- *
- * Since: 1.4
- */
-gboolean
-pango_layout_get_auto_dir (PangoLayout *layout)
-{
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), TRUE);
-
- return layout->auto_dir;
-}
-
-/**
- * pango_layout_set_alignment:
- * @layout: a `PangoLayout`
- * @alignment: the alignment
- *
- * Sets the alignment for the layout: how partial lines are
- * positioned within the horizontal space available.
- *
- * The default alignment is %PANGO_ALIGN_LEFT.
- */
-void
-pango_layout_set_alignment (PangoLayout *layout,
- PangoAlignment alignment)
-{
- g_return_if_fail (layout != NULL);
-
- if (alignment != layout->alignment)
- {
- layout->alignment = alignment;
- layout_changed (layout);
- }
-}
-
-/**
- * pango_layout_get_alignment:
- * @layout: a `PangoLayout`
- *
- * Gets the alignment for the layout: how partial lines are
- * positioned within the horizontal space available.
- *
- * Return value: the alignment
- */
-PangoAlignment
-pango_layout_get_alignment (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, PANGO_ALIGN_LEFT);
- return layout->alignment;
-}
-
-
-/**
- * pango_layout_set_tabs:
- * @layout: a `PangoLayout`
- * @tabs: (nullable): a `PangoTabArray`
- *
- * Sets the tabs to use for @layout, overriding the default tabs.
- *
- * `PangoLayout` will place content at the next tab position
- * whenever it meets a Tab character (U+0009).
- *
- * By default, tabs are every 8 spaces. If @tabs is %NULL, the
- * default tabs are reinstated. @tabs is copied into the layout;
- * you must free your copy of @tabs yourself.
- *
- * Note that tabs and justification conflict with each other:
- * Justification will move content away from its tab-aligned
- * positions. The same is true for alignments other than
- * %PANGO_ALIGN_LEFT.
- */
-void
-pango_layout_set_tabs (PangoLayout *layout,
- PangoTabArray *tabs)
-{
- g_return_if_fail (PANGO_IS_LAYOUT (layout));
-
-
- if (tabs != layout->tabs)
- {
- g_clear_pointer (&layout->tabs, pango_tab_array_free);
-
- if (tabs)
- {
- layout->tabs = pango_tab_array_copy (tabs);
- pango_tab_array_sort (layout->tabs);
- }
-
- layout_changed (layout);
- }
-}
-
-/**
- * pango_layout_get_tabs:
- * @layout: a `PangoLayout`
- *
- * Gets the current `PangoTabArray` used by this layout.
- *
- * If no `PangoTabArray` has been set, then the default tabs are
- * in use and %NULL is returned. Default tabs are every 8 spaces.
- *
- * The return value should be freed with [method Pango TabArray free].
- *
- * Return value: (transfer full) (nullable): a copy of the tabs for this layout
- */
-PangoTabArray*
-pango_layout_get_tabs (PangoLayout *layout)
-{
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
-
- if (layout->tabs)
- return pango_tab_array_copy (layout->tabs);
- else
- return NULL;
-}
-
-/**
- * pango_layout_set_single_paragraph_mode:
- * @layout: a `PangoLayout`
- * @setting: new setting
- *
- * Sets the single paragraph mode of @layout.
- *
- * If @setting is %TRUE, do not treat newlines and similar characters
- * as paragraph separators; instead, keep all text in a single paragraph,
- * and display a glyph for paragraph separator characters. Used when
- * you want to allow editing of newlines on a single text line.
- *
- * The default value is %FALSE.
- */
-void
-pango_layout_set_single_paragraph_mode (PangoLayout *layout,
- gboolean setting)
-{
- g_return_if_fail (PANGO_IS_LAYOUT (layout));
-
- setting = setting != FALSE;
-
- if (layout->single_paragraph != setting)
- {
- layout->single_paragraph = setting;
- layout_changed (layout);
- }
-}
-
-/**
- * pango_layout_get_single_paragraph_mode:
- * @layout: a `PangoLayout`
- *
- * Obtains whether @layout is in single paragraph mode.
- *
- * See [method@Pango.Layout.set_single_paragraph_mode].
- *
- * Return value: %TRUE if the layout does not break paragraphs
- * at paragraph separator characters, %FALSE otherwise
- */
-gboolean
-pango_layout_get_single_paragraph_mode (PangoLayout *layout)
-{
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), FALSE);
-
- return layout->single_paragraph;
-}
-
-/**
- * pango_layout_set_ellipsize:
- * @layout: a `PangoLayout`
- * @ellipsize: the new ellipsization mode for @layout
- *
- * Sets the type of ellipsization being performed for @layout.
- *
- * Depending on the ellipsization mode @ellipsize text is
- * removed from the start, middle, or end of text so they
- * fit within the width and height of layout set with
- * [method@Pango.Layout.set_width] and [method@Pango.Layout.set_height].
- *
- * If the layout contains characters such as newlines that
- * force it to be layed out in multiple paragraphs, then whether
- * each paragraph is ellipsized separately or the entire layout
- * is ellipsized as a whole depends on the set height of the layout.
- *
- * The default value is %PANGO_ELLIPSIZE_NONE.
- *
- * See [method@Pango.Layout.set_height] for details.
- *
- * Since: 1.6
- */
-void
-pango_layout_set_ellipsize (PangoLayout *layout,
- PangoEllipsizeMode ellipsize)
-{
- g_return_if_fail (PANGO_IS_LAYOUT (layout));
-
- if (ellipsize != layout->ellipsize)
- {
- layout->ellipsize = ellipsize;
-
- if (layout->is_ellipsized || layout->is_wrapped)
- layout_changed (layout);
- }
-}
-
-/**
- * pango_layout_get_ellipsize:
- * @layout: a `PangoLayout`
- *
- * Gets the type of ellipsization being performed for @layout.
- *
- * See [method@Pango.Layout.set_ellipsize].
- *
- * Use [method@Pango.Layout.is_ellipsized] to query whether any
- * paragraphs were actually ellipsized.
- *
- * Return value: the current ellipsization mode for @layout
- *
- * Since: 1.6
- */
-PangoEllipsizeMode
-pango_layout_get_ellipsize (PangoLayout *layout)
-{
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), PANGO_ELLIPSIZE_NONE);
-
- return layout->ellipsize;
-}
-
-/**
- * pango_layout_is_ellipsized:
- * @layout: a `PangoLayout`
- *
- * Queries whether the layout had to ellipsize any paragraphs.
- *
- * This returns %TRUE if the ellipsization mode for @layout
- * is not %PANGO_ELLIPSIZE_NONE, a positive width is set on @layout,
- * and there are paragraphs exceeding that width that have to be
- * ellipsized.
- *
- * Return value: %TRUE if any paragraphs had to be ellipsized,
- * %FALSE otherwise
- *
- * Since: 1.16
- */
-gboolean
-pango_layout_is_ellipsized (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, FALSE);
-
- pango_layout_check_lines (layout);
-
- return layout->is_ellipsized;
-}
-
-/**
- * pango_layout_set_text:
- * @layout: a `PangoLayout`
- * @text: the text
- * @length: maximum length of @text, in bytes. -1 indicates that
- * the string is nul-terminated and the length should be calculated.
- * The text will also be truncated on encountering a nul-termination
- * even when @length is positive.
- *
- * Sets the text of the layout.
- *
- * This function validates @text and renders invalid UTF-8
- * with a placeholder glyph.
- *
- * Note that if you have used [method@Pango.Layout.set_markup] or
- * [method@Pango.Layout.set_markup_with_accel] on @layout before, you
- * may want to call [method@Pango.Layout.set_attributes] to clear the
- * attributes set on the layout from the markup as this function does
- * not clear attributes.
- */
-void
-pango_layout_set_text (PangoLayout *layout,
- const char *text,
- int length)
-{
- char *old_text, *start, *end;
-
- g_return_if_fail (layout != NULL);
- g_return_if_fail (length == 0 || text != NULL);
-
- old_text = layout->text;
-
- if (length < 0)
- {
- layout->length = strlen (text);
- layout->text = g_strndup (text, layout->length);
- }
- else if (length > 0)
- {
- /* This is not exactly what we want. We don't need the padding...
- */
- layout->length = length;
- layout->text = g_strndup (text, length);
- }
- else
- {
- layout->length = 0;
- layout->text = g_malloc0 (1);
- }
-
- /* validate it, and replace invalid bytes with -1 */
- start = layout->text;
- for (;;) {
- gboolean valid;
-
- valid = g_utf8_validate (start, -1, (const char **)&end);
-
- if (!*end)
- break;
-
- /* Replace invalid bytes with -1. The -1 will be converted to
- * ((gunichar) -1) by glib, and that in turn yields a glyph value of
- * ((PangoGlyph) -1) by PANGO_GET_UNKNOWN_GLYPH(-1),
- * and that's PANGO_GLYPH_INVALID_INPUT.
- */
- if (!valid)
- *end++ = -1;
-
- start = end;
- }
-
- if (start != layout->text)
- /* TODO: Write out the beginning excerpt of text? */
- g_warning ("Invalid UTF-8 string passed to pango_layout_set_text()");
-
- layout->n_chars = pango_utf8_strlen (layout->text, -1);
- layout->length = strlen (layout->text);
-
- g_clear_pointer (&layout->log_attrs, g_free);
- layout_changed (layout);
-
- g_free (old_text);
-}
-
-/**
- * pango_layout_get_text:
- * @layout: a `PangoLayout`
- *
- * Gets the text in the layout.
- *
- * The returned text should not be freed or modified.
- *
- * Return value: (transfer none): the text in the @layout
- */
-const char*
-pango_layout_get_text (PangoLayout *layout)
-{
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
-
- /* We don't ever want to return NULL as the text.
- */
- if (G_UNLIKELY (!layout->text))
- return "";
-
- return layout->text;
-}
-
-/**
- * pango_layout_get_character_count:
- * @layout: a `PangoLayout`
- *
- * Returns the number of Unicode characters in the
- * the text of @layout.
- *
- * Return value: the number of Unicode characters
- * in the text of @layout
- *
- * Since: 1.30
- */
-gint
-pango_layout_get_character_count (PangoLayout *layout)
-{
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), 0);
-
- return layout->n_chars;
-}
-
-/**
- * pango_layout_set_markup:
- * @layout: a `PangoLayout`
- * @markup: marked-up text
- * @length: length of marked-up text in bytes, or -1 if @markup is
- * `NUL`-terminated
- *
- * Sets the layout text and attribute list from marked-up text.
- *
- * See [Pango Markup](pango_markup.html)).
- *
- * Replaces the current text and attribute list.
- *
- * This is the same as [method@Pango.Layout.set_markup_with_accel],
- * but the markup text isn't scanned for accelerators.
- */
-void
-pango_layout_set_markup (PangoLayout *layout,
- const char *markup,
- int length)
-{
- pango_layout_set_markup_with_accel (layout, markup, length, 0, NULL);
-}
-
-/**
- * pango_layout_set_markup_with_accel:
- * @layout: a `PangoLayout`
- * @markup: marked-up text (see [Pango Markup](pango_markup.html))
- * @length: length of marked-up text in bytes, or -1 if @markup is
- * `NUL`-terminated
- * @accel_marker: marker for accelerators in the text
- * @accel_char: (out caller-allocates) (optional): return location
- * for first located accelerator
- *
- * Sets the layout text and attribute list from marked-up text.
- *
- * See [Pango Markup](pango_markup.html)).
- *
- * Replaces the current text and attribute list.
- *
- * If @accel_marker is nonzero, the given character will mark the
- * character following it as an accelerator. For example, @accel_marker
- * might be an ampersand or underscore. All characters marked
- * as an accelerator will receive a %PANGO_UNDERLINE_LOW attribute,
- * and the first character so marked will be returned in @accel_char.
- * Two @accel_marker characters following each other produce a single
- * literal @accel_marker character.
- */
-void
-pango_layout_set_markup_with_accel (PangoLayout *layout,
- const char *markup,
- int length,
- gunichar accel_marker,
- gunichar *accel_char)
-{
- PangoAttrList *list = NULL;
- char *text = NULL;
- GError *error;
-
- g_return_if_fail (PANGO_IS_LAYOUT (layout));
- g_return_if_fail (markup != NULL);
-
- error = NULL;
- if (!pango_parse_markup (markup, length,
- accel_marker,
- &list, &text,
- accel_char,
- &error))
- {
- g_warning ("pango_layout_set_markup_with_accel: %s", error->message);
- g_error_free (error);
- return;
- }
-
- pango_layout_set_text (layout, text, -1);
- pango_layout_set_attributes (layout, list);
- pango_attr_list_unref (list);
- g_free (text);
-}
-
-/**
- * pango_layout_get_unknown_glyphs_count:
- * @layout: a `PangoLayout`
- *
- * Counts the number of unknown glyphs in @layout.
- *
- * This function can be used to determine if there are any fonts
- * available to render all characters in a certain string, or when
- * used in combination with %PANGO_ATTR_FALLBACK, to check if a
- * certain font supports all the characters in the string.
- *
- * Return value: The number of unknown glyphs in @layout
- *
- * Since: 1.16
- */
-int
-pango_layout_get_unknown_glyphs_count (PangoLayout *layout)
-{
- PangoLayoutLine *line;
- PangoLayoutRun *run;
- GSList *lines_list;
- GSList *runs_list;
- int i, count = 0;
-
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), 0);
-
- pango_layout_check_lines (layout);
-
- if (layout->unknown_glyphs_count >= 0)
- return layout->unknown_glyphs_count;
-
- lines_list = layout->lines;
- while (lines_list)
- {
- line = lines_list->data;
- runs_list = line->runs;
-
- while (runs_list)
- {
- run = runs_list->data;
-
- for (i = 0; i < run->glyphs->num_glyphs; i++)
- {
- if (run->glyphs->glyphs[i].glyph & PANGO_GLYPH_UNKNOWN_FLAG)
- count++;
- }
-
- runs_list = runs_list->next;
- }
- lines_list = lines_list->next;
- }
-
- layout->unknown_glyphs_count = count;
- return count;
-}
-
-static void
-check_context_changed (PangoLayout *layout)
-{
- guint old_serial = layout->context_serial;
-
- layout->context_serial = pango_context_get_serial (layout->context);
-
- if (old_serial != layout->context_serial)
- pango_layout_context_changed (layout);
-}
-
-static void
-layout_changed (PangoLayout *layout)
-{
- layout->serial++;
- if (layout->serial == 0)
- layout->serial++;
-
- pango_layout_clear_lines (layout);
-}
-
-/**
- * pango_layout_context_changed:
- * @layout: a `PangoLayout`
- *
- * Forces recomputation of any state in the `PangoLayout` that
- * might depend on the layout's context.
- *
- * This function should be called if you make changes to the context
- * subsequent to creating the layout.
- */
-void
-pango_layout_context_changed (PangoLayout *layout)
-{
- g_return_if_fail (PANGO_IS_LAYOUT (layout));
-
- layout_changed (layout);
- layout->tab_width = -1;
-}
-
-/**
- * pango_layout_get_serial:
- * @layout: a `PangoLayout`
- *
- * Returns the current serial number of @layout.
- *
- * The serial number is initialized to an small number larger than zero
- * when a new layout is created and is increased whenever the layout is
- * changed using any of the setter functions, or the `PangoContext` it
- * uses has changed. The serial may wrap, but will never have the value 0.
- * Since it can wrap, never compare it with "less than", always use "not equals".
- *
- * This can be used to automatically detect changes to a `PangoLayout`,
- * and is useful for example to decide whether a layout needs redrawing.
- * To force the serial to be increased, use
- * [method@Pango.Layout.context_changed].
- *
- * Return value: The current serial number of @layout.
- *
- * Since: 1.32.4
- */
-guint
-pango_layout_get_serial (PangoLayout *layout)
-{
- check_context_changed (layout);
- return layout->serial;
-}
-
-/**
- * pango_layout_get_log_attrs:
- * @layout: a `PangoLayout`
- * @attrs: (out)(array length=n_attrs)(transfer container):
- * location to store a pointer to an array of logical attributes.
- * This value must be freed with g_free().
- * @n_attrs: (out): location to store the number of the attributes in the
- * array. (The stored value will be one more than the total number
- * of characters in the layout, since there need to be attributes
- * corresponding to both the position before the first character
- * and the position after the last character.)
- *
- * Retrieves an array of logical attributes for each character in
- * the @layout.
- */
-void
-pango_layout_get_log_attrs (PangoLayout *layout,
- PangoLogAttr **attrs,
- gint *n_attrs)
-{
- g_return_if_fail (layout != NULL);
-
- pango_layout_check_lines (layout);
-
- if (attrs)
- {
- *attrs = g_new (PangoLogAttr, layout->n_chars + 1);
- memcpy (*attrs, layout->log_attrs, sizeof(PangoLogAttr) * (layout->n_chars + 1));
- }
-
- if (n_attrs)
- *n_attrs = layout->n_chars + 1;
-}
-
-/**
- * pango_layout_get_log_attrs_readonly:
- * @layout: a `PangoLayout`
- * @n_attrs: (out): location to store the number of the attributes in
- * the array
- *
- * Retrieves an array of logical attributes for each character in
- * the @layout.
- *
- * This is a faster alternative to [method@Pango.Layout.get_log_attrs].
- * The returned array is part of @layout and must not be modified.
- * Modifying the layout will invalidate the returned array.
- *
- * The number of attributes returned in @n_attrs will be one more
- * than the total number of characters in the layout, since there
- * need to be attributes corresponding to both the position before
- * the first character and the position after the last character.
- *
- * Returns: (array length=n_attrs): an array of logical attributes
- *
- * Since: 1.30
- */
-const PangoLogAttr *
-pango_layout_get_log_attrs_readonly (PangoLayout *layout,
- gint *n_attrs)
-{
- if (n_attrs)
- *n_attrs = 0;
- g_return_val_if_fail (layout != NULL, NULL);
-
- pango_layout_check_lines (layout);
-
- if (n_attrs)
- *n_attrs = layout->n_chars + 1;
-
- return layout->log_attrs;
-}
-
-
-/**
- * pango_layout_get_line_count:
- * @layout: `PangoLayout`
- *
- * Retrieves the count of lines for the @layout.
- *
- * Return value: the line count
- */
-int
-pango_layout_get_line_count (PangoLayout *layout)
-{
- g_return_val_if_fail (layout != NULL, 0);
-
- pango_layout_check_lines (layout);
- return layout->line_count;
-}
-
-/**
- * pango_layout_get_lines:
- * @layout: a `PangoLayout`
- *
- * Returns the lines of the @layout as a list.
- *
- * Use the faster [method@Pango.Layout.get_lines_readonly] if you do not
- * plan to modify the contents of the lines (glyphs, glyph widths, etc.).
- *
- * Return value: (element-type Pango.LayoutLine) (transfer none): a `GSList`
- * containing the lines in the layout. This points to internal data of the
- * `PangoLayout` and must be used with care. It will become invalid on any
- * change to the layout's text or properties.
- */
-GSList *
-pango_layout_get_lines (PangoLayout *layout)
-{
- pango_layout_check_lines (layout);
-
- if (layout->lines)
- {
- GSList *tmp_list = layout->lines;
- while (tmp_list)
- {
- PangoLayoutLine *line = tmp_list->data;
- tmp_list = tmp_list->next;
-
- pango_layout_line_leaked (line);
- }
- }
-
- return layout->lines;
-}
-
-/**
- * pango_layout_get_lines_readonly:
- * @layout: a `PangoLayout`
- *
- * Returns the lines of the @layout as a list.
- *
- * This is a faster alternative to [method@Pango.Layout.get_lines],
- * but the user is not expected to modify the contents of the lines
- * (glyphs, glyph widths, etc.).
- *
- * Return value: (element-type Pango.LayoutLine) (transfer none): a `GSList`
- * containing the lines in the layout. This points to internal data of the
- * `PangoLayout` and must be used with care. It will become invalid on any
- * change to the layout's text or properties. No changes should be made to
- * the lines.
- *
- * Since: 1.16
- */
-GSList *
-pango_layout_get_lines_readonly (PangoLayout *layout)
-{
- pango_layout_check_lines (layout);
-
- return layout->lines;
-}
-
-/**
- * pango_layout_get_line:
- * @layout: a `PangoLayout`
- * @line: the index of a line, which must be between 0 and
- * `pango_layout_get_line_count(layout) - 1`, inclusive.
- *
- * Retrieves a particular line from a `PangoLayout`.
- *
- * Use the faster [method@Pango.Layout.get_line_readonly] if you do not
- * plan to modify the contents of the line (glyphs, glyph widths, etc.).
- *
- * Return value: (transfer none) (nullable): the requested `PangoLayoutLine`,
- * or %NULL if the index is out of range. This layout line can be ref'ed
- * and retained, but will become invalid if changes are made to the
- * `PangoLayout`.
- */
-PangoLayoutLine *
-pango_layout_get_line (PangoLayout *layout,
- int line)
-{
- GSList *list_item;
- g_return_val_if_fail (layout != NULL, NULL);
-
- if (line < 0)
- return NULL;
-
- pango_layout_check_lines (layout);
-
- list_item = g_slist_nth (layout->lines, line);
-
- if (list_item)
- {
- PangoLayoutLine *line = list_item->data;
-
- pango_layout_line_leaked (line);
- return line;
- }
-
- return NULL;
-}
-
-/**
- * pango_layout_get_line_readonly:
- * @layout: a `PangoLayout`
- * @line: the index of a line, which must be between 0 and
- * `pango_layout_get_line_count(layout) - 1`, inclusive.
- *
- * Retrieves a particular line from a `PangoLayout`.
- *
- * This is a faster alternative to [method@Pango.Layout.get_line],
- * but the user is not expected to modify the contents of the line
- * (glyphs, glyph widths, etc.).
- *
- * Return value: (transfer none) (nullable): the requested `PangoLayoutLine`,
- * or %NULL if the index is out of range. This layout line can be ref'ed
- * and retained, but will become invalid if changes are made to the
- * `PangoLayout`. No changes should be made to the line.
- *
- * Since: 1.16
- */
-PangoLayoutLine *
-pango_layout_get_line_readonly (PangoLayout *layout,
- int line)
-{
- GSList *list_item;
- g_return_val_if_fail (layout != NULL, NULL);
-
- if (line < 0)
- return NULL;
-
- pango_layout_check_lines (layout);
-
- list_item = g_slist_nth (layout->lines, line);
-
- if (list_item)
- {
- PangoLayoutLine *line = list_item->data;
- return line;
- }
-
- return NULL;
-}
-
-/**
- * pango_layout_line_index_to_x:
- * @line: a `PangoLayoutLine`
- * @index_: byte offset of a grapheme within the layout
- * @trailing: an integer indicating the edge of the grapheme to retrieve
- * the position of. If > 0, the trailing edge of the grapheme,
- * if 0, the leading of the grapheme
- * @x_pos: (out): location to store the x_offset (in Pango units)
- *
- * Converts an index within a line to a X position.
- */
-void
-pango_layout_line_index_to_x (PangoLayoutLine *line,
- int index,
- int trailing,
- int *x_pos)
-{
- PangoLayout *layout = line->layout;
- GSList *run_list = line->runs;
- int width = 0;
-
- while (run_list)
- {
- PangoLayoutRun *run = run_list->data;
-
- if (run->item->offset <= index && run->item->offset + run->item->length > index)
- {
- int offset = g_utf8_pointer_to_offset (layout->text, layout->text + index);
- int attr_offset;
-
- if (trailing)
- {
- while (index < line->start_index + line->length &&
- offset + 1 < layout->n_chars &&
- !layout->log_attrs[offset + 1].is_cursor_position)
- {
- offset++;
- index = g_utf8_next_char (layout->text + index) - layout->text;
- }
- }
- else
- {
- while (index > line->start_index &&
- !layout->log_attrs[offset].is_cursor_position)
- {
- offset--;
- index = g_utf8_prev_char (layout->text + index) - layout->text;
- }
- }
-
- /* Note: we simply assert here, since our items are all internally
- * created. If that ever changes, we need to add a fallback here.
- */
- attr_offset = run->item->char_offset;
-
- pango_glyph_string_index_to_x_full (run->glyphs,
- layout->text + run->item->offset,
- run->item->length,
- &run->item->analysis,
- layout->log_attrs + attr_offset,
- index - run->item->offset, trailing, x_pos);
- if (x_pos)
- *x_pos += width;
-
- return;
- }
-
- width += pango_glyph_string_get_width (run->glyphs);
-
- run_list = run_list->next;
- }
-
- if (x_pos)
- *x_pos = width;
-}
-
-static PangoLayoutLine *
-pango_layout_index_to_line (PangoLayout *layout,
- int index,
- int *line_nr,
- PangoLayoutLine **line_before,
- PangoLayoutLine **line_after)
-{
- GSList *tmp_list;
- GSList *line_list;
- PangoLayoutLine *line = NULL;
- PangoLayoutLine *prev_line = NULL;
- int i = -1;
-
- line_list = tmp_list = layout->lines;
- while (tmp_list)
- {
- PangoLayoutLine *tmp_line = tmp_list->data;
-
- if (tmp_line->start_index > index)
- break; /* index was in paragraph delimiters */
-
- prev_line = line;
- line = tmp_line;
- line_list = tmp_list;
- i++;
-
- if (line->start_index + line->length > index)
- break;
-
- tmp_list = tmp_list->next;
- }
-
- if (line_nr)
- *line_nr = i;
-
- if (line_before)
- *line_before = prev_line;
-
- if (line_after)
- *line_after = (line_list && line_list->next) ? line_list->next->data : NULL;
-
- return line;
-}
-
-static PangoLayoutLine *
-pango_layout_index_to_line_and_extents (PangoLayout *layout,
- int index,
- PangoRectangle *line_rect,
- PangoRectangle *run_rect)
-{
- PangoLayoutIter iter;
- PangoLayoutLine *line = NULL;
-
- _pango_layout_get_iter (layout, &iter);
-
- if (!ITER_IS_INVALID (&iter))
- while (TRUE)
- {
- PangoLayoutLine *tmp_line = _pango_layout_iter_get_line (&iter);
-
- if (tmp_line->start_index > index)
- break; /* index was in paragraph delimiters */
-
- line = tmp_line;
-
- pango_layout_iter_get_line_extents (&iter, NULL, line_rect);
-
- if (!iter.line_list_link->next ||
- ((PangoLayoutLine *)iter.line_list_link->next->data)->start_index > index)
- {
- if (run_rect)
- {
- while (TRUE)
- {
- PangoLayoutRun *run = _pango_layout_iter_get_run (&iter);
-
- pango_layout_iter_get_run_extents (&iter, NULL, run_rect);
-
- if (!run)
- break;
-
- if (run->item->offset <= index && index < run->item->offset + run->item->length)
- break;
-
- if (!pango_layout_iter_next_run (&iter))
- break;
- }
- }
-
- break;
- }
-
- if (!pango_layout_iter_next_line (&iter))
- break; /* Use end of last line */
- }
-
- _pango_layout_iter_destroy (&iter);
-
- return line;
-}
-
-/**
- * pango_layout_index_to_line_x:
- * @layout: a `PangoLayout`
- * @index_: the byte index of a grapheme within the layout
- * @trailing: an integer indicating the edge of the grapheme to retrieve the
- * position of. If > 0, the trailing edge of the grapheme, if 0,
- * the leading of the grapheme
- * @line: (out) (optional): location to store resulting line index. (which will
- * between 0 and pango_layout_get_line_count(layout) - 1)
- * @x_pos: (out) (optional): location to store resulting position within line
- * (%PANGO_SCALE units per device unit)
- *
- * Converts from byte @index_ within the @layout to line and X position.
- *
- * The X position is measured from the left edge of the line.
- */
-void
-pango_layout_index_to_line_x (PangoLayout *layout,
- int index,
- gboolean trailing,
- int *line,
- int *x_pos)
-{
- int line_num;
- PangoLayoutLine *layout_line = NULL;
-
- g_return_if_fail (layout != NULL);
- g_return_if_fail (index >= 0);
- g_return_if_fail (index <= layout->length);
-
- pango_layout_check_lines (layout);
-
- layout_line = pango_layout_index_to_line (layout, index,
- &line_num, NULL, NULL);
-
- if (layout_line)
- {
- /* use end of line if index was in the paragraph delimiters */
- if (index > layout_line->start_index + layout_line->length)
- index = layout_line->start_index + layout_line->length;
-
- if (line)
- *line = line_num;
-
- pango_layout_line_index_to_x (layout_line, index, trailing, x_pos);
- }
- else
- {
- if (line)
- *line = -1;
- if (x_pos)
- *x_pos = -1;
- }
-}
-
-typedef struct {
- int x;
- int pos;
-} CursorPos;
-
-static int
-compare_cursor (gconstpointer v1,
- gconstpointer v2)
-{
- const CursorPos *c1 = v1;
- const CursorPos *c2 = v2;
-
- return c1->x - c2->x;
-}
-
-static void
-pango_layout_line_get_cursors (PangoLayoutLine *line,
- gboolean strong,
- GArray *cursors)
-{
- PangoLayout *layout = line->layout;
- int line_no;
- PangoLayoutLine *line2;
- const char *start, *end;
- int start_offset;
- int j;
- const char *p;
- PangoRectangle pos;
-
- g_assert (g_array_get_element_size (cursors) == sizeof (CursorPos));
- g_assert (cursors->len == 0);
-
- start = layout->text + line->start_index;
- end = start + line->length;
- start_offset = g_utf8_pointer_to_offset (layout->text, start);
-
- pango_layout_index_to_line_x (layout, line->start_index + line->length, 0, &line_no, NULL);
- line2 = pango_layout_get_line (layout, line_no);
- if (line2 == line)
- end++;
-
- for (j = start_offset, p = start; p < end; j++, p = g_utf8_next_char (p))
- {
- if (layout->log_attrs[j].is_cursor_position)
- {
- CursorPos cursor;
-
- pango_layout_get_cursor_pos (layout, p - layout->text,
- strong ? &pos : NULL,
- strong ? NULL : &pos);
-
- cursor.x = pos.x;
- cursor.pos = p - layout->text;
- g_array_append_val (cursors, cursor);
- }
- }
-
- g_array_sort (cursors, compare_cursor);
-}
-
-/**
- * pango_layout_move_cursor_visually:
- * @layout: a `PangoLayout`
- * @strong: whether the moving cursor is the strong cursor or the
- * weak cursor. The strong cursor is the cursor corresponding
- * to text insertion in the base direction for the layout.
- * @old_index: the byte index of the current cursor position
- * @old_trailing: if 0, the cursor was at the leading edge of the
- * grapheme indicated by @old_index, if > 0, the cursor
- * was at the trailing edge.
- * @direction: direction to move cursor. A negative
- * value indicates motion to the left
- * @new_index: (out): location to store the new cursor byte index.
- * A value of -1 indicates that the cursor has been moved off the
- * beginning of the layout. A value of %G_MAXINT indicates that
- * the cursor has been moved off the end of the layout.
- * @new_trailing: (out): number of characters to move forward from
- * the location returned for @new_index to get the position where
- * the cursor should be displayed. This allows distinguishing the
- * position at the beginning of one line from the position at the
- * end of the preceding line. @new_index is always on the line where
- * the cursor should be displayed.
- *
- * Computes a new cursor position from an old position and a direction.
- *
- * If @direction is positive, then the new position will cause the strong
- * or weak cursor to be displayed one position to right of where it was
- * with the old cursor position. If @direction is negative, it will be
- * moved to the left.
- *
- * In the presence of bidirectional text, the correspondence between
- * logical and visual order will depend on the direction of the current
- * run, and there may be jumps when the cursor is moved off of the end
- * of a run.
- *
- * Motion here is in cursor positions, not in characters, so a single
- * call to this function may move the cursor over multiple characters
- * when multiple characters combine to form a single grapheme.
- */
-void
-pango_layout_move_cursor_visually (PangoLayout *layout,
- gboolean strong,
- int old_index,
- int old_trailing,
- int direction,
- int *new_index,
- int *new_trailing)
-{
- PangoLayoutLine *line = NULL;
- PangoLayoutLine *prev_line;
- PangoLayoutLine *next_line;
- GArray *cursors;
- int n_vis;
- int vis_pos;
- int start_offset;
- gboolean off_start = FALSE;
- gboolean off_end = FALSE;
- PangoRectangle pos;
- int j;
-
- g_return_if_fail (layout != NULL);
- g_return_if_fail (old_index >= 0 && old_index <= layout->length);
- g_return_if_fail (old_trailing >= 0);
- g_return_if_fail (old_index < layout->length || old_trailing == 0);
- g_return_if_fail (new_index != NULL);
- g_return_if_fail (new_trailing != NULL);
-
- direction = (direction >= 0 ? 1 : -1);
-
- pango_layout_check_lines (layout);
-
- /* Find the line the old cursor is on */
- line = pango_layout_index_to_line (layout, old_index, NULL, &prev_line, &next_line);
-
- while (old_trailing--)
- old_index = g_utf8_next_char (layout->text + old_index) - layout->text;
-
- /* Clamp old_index to fit on the line */
- if (old_index > (line->start_index + line->length))
- old_index = line->start_index + line->length;
-
- cursors = g_array_new (FALSE, FALSE, sizeof (CursorPos));
- pango_layout_line_get_cursors (line, strong, cursors);
-
- pango_layout_get_cursor_pos (layout, old_index, strong ? &pos : NULL, strong ? NULL : &pos);
-
- vis_pos = -1;
- for (j = 0; j < cursors->len; j++)
- {
- CursorPos *cursor = &g_array_index (cursors, CursorPos, j);
- if (cursor->x == pos.x)
- {
- vis_pos = j;
-
- /* If moving left, we pick the leftmost match, otherwise
- * the rightmost one. Without this, we can get stuck
- */
- if (direction < 0)
- break;
- }
- }
-
- if (vis_pos == -1 &&
- old_index == line->start_index + line->length)
- {
- if (line->resolved_dir == PANGO_DIRECTION_LTR)
- vis_pos = cursors->len;
- else
- vis_pos = 0;
- }
-
- /* Handling movement between lines */
- if (line->resolved_dir == PANGO_DIRECTION_LTR)
- {
- if (old_index == line->start_index && direction < 0)
- off_start = TRUE;
- if (old_index == line->start_index + line->length && direction > 0)
- off_end = TRUE;
- }
- else
- {
- if (old_index == line->start_index + line->length && direction < 0)
- off_end = TRUE;
- if (old_index == line->start_index && direction > 0)
- off_start = TRUE;
- }
-
- if (off_start || off_end)
- {
- /* If we move over a paragraph boundary, count that as
- * an extra position in the motion
- */
- gboolean paragraph_boundary;
-
- if (off_start)
- {
- if (!prev_line)
- {
- *new_index = -1;
- *new_trailing = 0;
- g_array_unref (cursors);
- return;
- }
- line = prev_line;
- paragraph_boundary = (line->start_index + line->length != old_index);
- }
- else
- {
- if (!next_line)
- {
- *new_index = G_MAXINT;
- *new_trailing = 0;
- g_array_unref (cursors);
- return;
- }
- line = next_line;
- paragraph_boundary = (line->start_index != old_index);
- }
-
- g_array_set_size (cursors, 0);
- pango_layout_line_get_cursors (line, strong, cursors);
-
- n_vis = cursors->len;
-
- if (off_start && direction < 0)
- {
- vis_pos = n_vis;
- if (paragraph_boundary)
- vis_pos++;
- }
- else if (off_end && direction > 0)
- {
- vis_pos = 0;
- if (paragraph_boundary)
- vis_pos--;
- }
- }
-
- if (direction < 0)
- vis_pos--;
- else
- vis_pos++;
-
- if (0 <= vis_pos && vis_pos < cursors->len)
- *new_index = g_array_index (cursors, CursorPos, vis_pos).pos;
- else if (vis_pos >= cursors->len - 1)
- *new_index = line->start_index + line->length;
-
- *new_trailing = 0;
-
- if (*new_index == line->start_index + line->length && line->length > 0)
- {
- int log_pos;
-
- start_offset = g_utf8_pointer_to_offset (layout->text, layout->text + line->start_index);
- log_pos = start_offset + pango_utf8_strlen (layout->text + line->start_index, line->length);
- do
- {
- log_pos--;
- *new_index = g_utf8_prev_char (layout->text + *new_index) - layout->text;
- (*new_trailing)++;
- }
- while (log_pos > start_offset && !layout->log_attrs[log_pos].is_cursor_position);
- }
-
- g_array_unref (cursors);
-}
-
-/**
- * pango_layout_xy_to_index:
- * @layout: a `PangoLayout`
- * @x: the X offset (in Pango units) from the left edge of the layout
- * @y: the Y offset (in Pango units) from the top edge of the layout
- * @index_: (out): location to store calculated byte index
- * @trailing: (out): location to store a integer indicating where
- * in the grapheme the user clicked. It will either be zero, or the
- * number of characters in the grapheme. 0 represents the leading edge
- * of the grapheme.
- *
- * Converts from X and Y position within a layout to the byte index to the
- * character at that logical position.
- *
- * If the Y position is not inside the layout, the closest position is
- * chosen (the position will be clamped inside the layout). If the X position
- * is not within the layout, then the start or the end of the line is
- * chosen as described for [method@Pango.LayoutLine.x_to_index]. If either
- * the X or Y positions were not inside the layout, then the function returns
- * %FALSE; on an exact hit, it returns %TRUE.
- *
- * Return value: %TRUE if the coordinates were inside text, %FALSE otherwise
- */
-gboolean
-pango_layout_xy_to_index (PangoLayout *layout,
- int x,
- int y,
- int *index,
- gint *trailing)
-{
- PangoLayoutIter iter;
- PangoLayoutLine *prev_line = NULL;
- PangoLayoutLine *found = NULL;
- int found_line_x = 0;
- int prev_last = 0;
- int prev_line_x = 0;
- gboolean retval = FALSE;
- gboolean outside = FALSE;
-
- g_return_val_if_fail (PANGO_IS_LAYOUT (layout), FALSE);
-
- _pango_layout_get_iter (layout, &iter);
-
- do
- {
- PangoRectangle line_logical;
- int first_y, last_y;
-
- g_assert (!ITER_IS_INVALID (&iter));
-
- pango_layout_iter_get_line_extents (&iter, NULL, &line_logical);
- pango_layout_iter_get_line_yrange (&iter, &first_y, &last_y);
-
- if (y < first_y)
- {
- if (prev_line && y < (prev_last + (first_y - prev_last) / 2))
- {
- found = prev_line;
- found_line_x = prev_line_x;
- }
- else
- {
- if (prev_line == NULL)
- outside = TRUE; /* off the top */
-
- found = _pango_layout_iter_get_line (&iter);
- found_line_x = x - line_logical.x;
- }
- }
- else if (y >= first_y &&
- y < last_y)
- {
- found = _pango_layout_iter_get_line (&iter);
- found_line_x = x - line_logical.x;
- }
-
- prev_line = _pango_layout_iter_get_line (&iter);
- prev_last = last_y;
- prev_line_x = x - line_logical.x;
-
- if (found != NULL)
- break;
- }
- while (pango_layout_iter_next_line (&iter));
-
- _pango_layout_iter_destroy (&iter);
-
- if (found == NULL)
- {
- /* Off the bottom of the layout */
- outside = TRUE;
-
- found = prev_line;
- found_line_x = prev_line_x;
- }
-
- retval = pango_layout_line_x_to_index (found,
- found_line_x,
- index, trailing);
-
- if (outside)
- retval = FALSE;
-
- return retval;
-}
-
-/**
- * pango_layout_index_to_pos:
- * @layout: a `PangoLayout`
- * @index_: byte index within @layout
- * @pos: (out): rectangle in which to store the position of the grapheme
- *
- * Converts from an index within a `PangoLayout` to the onscreen position
- * corresponding to the grapheme at that index.
- *
- * The return value is represented as rectangle. Note that `pos->x` is
- * always the leading edge of the grapheme and `pos->x + pos->width` the
- * trailing edge of the grapheme. If the directionality of the grapheme
- * is right-to-left, then `pos->width` will be negative.
- */
-void
-pango_layout_index_to_pos (PangoLayout *layout,
- int index,
- PangoRectangle *pos)
-{
- PangoRectangle line_logical_rect = { 0, };
- PangoRectangle run_logical_rect = { 0, };
- PangoLayoutIter iter;
- PangoLayoutLine *layout_line = NULL;
- int x_pos;
-
- g_return_if_fail (layout != NULL);
- g_return_if_fail (index >= 0);
- g_return_if_fail (pos != NULL);
-
- _pango_layout_get_iter (layout, &iter);
-
- if (!ITER_IS_INVALID (&iter))
- {
- while (TRUE)
- {
- PangoLayoutLine *tmp_line = _pango_layout_iter_get_line (&iter);
-
- if (tmp_line->start_index > index)
- {
- /* index is in the paragraph delimiters, move to
- * end of previous line
- *
- * This shouldn’t occur in the first loop iteration as the first
- * line’s start_index should always be 0.
- */
- g_assert (layout_line != NULL);
- index = layout_line->start_index + layout_line->length;
- break;
- }
-
- pango_layout_iter_get_line_extents (&iter, NULL, &line_logical_rect);
-
- layout_line = tmp_line;
-
- if (layout_line->start_index + layout_line->length >= index)
- {
- do
- {
- PangoLayoutRun *run = _pango_layout_iter_get_run (&iter);
-
- pango_layout_iter_get_run_extents (&iter, NULL, &run_logical_rect);
-
- if (!run)
- break;
-
- if (run->item->offset <= index && index < run->item->offset + run->item->length)
- break;
- }
- while (pango_layout_iter_next_run (&iter));
-
- if (layout_line->start_index + layout_line->length > index)
- break;
- }
-
- if (!pango_layout_iter_next_line (&iter))
- {
- index = layout_line->start_index + layout_line->length;
- break;
- }
- }
-
- pos->y = run_logical_rect.y;
- pos->height = run_logical_rect.height;
-
- pango_layout_line_index_to_x (layout_line, index, 0, &x_pos);
- pos->x = line_logical_rect.x + x_pos;
-
- if (index < layout_line->start_index + layout_line->length)
- {
- pango_layout_line_index_to_x (layout_line, index, 1, &x_pos);
- pos->width = (line_logical_rect.x + x_pos) - pos->x;
- }
- else
- pos->width = 0;
- }
-
- _pango_layout_iter_destroy (&iter);
-}
-
-static PangoLayoutRun *
-pango_layout_line_get_run (PangoLayoutLine *line,
- int index)
-{
- GSList *run_list;
-
- run_list = line->runs;
- while (run_list)
- {
- PangoLayoutRun *run = run_list->data;
-
- if (run->item->offset <= index && run->item->offset + run->item->length > index)
- return run;
-
- run_list = run_list->next;
- }
-
- return NULL;
-}
-
-static int
-pango_layout_line_get_char_level (PangoLayoutLine *line,
- int index)
-{
- PangoLayoutRun *run;
-
- run = pango_layout_line_get_run (line, index);
-
- if (run)
- return run->item->analysis.level;
-
- return 0;
-}
-
-static PangoDirection
-pango_layout_line_get_char_direction (PangoLayoutLine *layout_line,
- int index)
-{
- return pango_layout_line_get_char_level (layout_line, index) % 2
- ? PANGO_DIRECTION_RTL
- : PANGO_DIRECTION_LTR;
-}
-
-/**
- * pango_layout_get_direction:
- * @layout: a `PangoLayout`
- * @index: the byte index of the char
- *
- * Gets the text direction at the given character position in @layout.
- *
- * Returns: the text direction at @index
- *
- * Since: 1.46
- */
-PangoDirection
-pango_layout_get_direction (PangoLayout *layout,
- int index)
-{
- PangoLayoutLine *line;
-
- line = pango_layout_index_to_line_and_extents (layout, index, NULL, NULL);
-
- if (line)
- return pango_layout_line_get_char_direction (line, index);
-
- return PANGO_DIRECTION_LTR;
-}
-
-/**
- * pango_layout_get_cursor_pos:
- * @layout: a `PangoLayout`
- * @index_: the byte index of the cursor
- * @strong_pos: (out) (optional): location to store the strong cursor position
- * @weak_pos: (out) (optional): location to store the weak cursor position
- *
- * Given an index within a layout, determines the positions that of the
- * strong and weak cursors if the insertion point is at that index.
- *
- * The position of each cursor is stored as a zero-width rectangle
- * with the height of the run extents.
- *
- * <picture>
- * <source srcset="cursor-positions-dark.png" media="(prefers-color-scheme: dark)">
- * <img alt="Cursor positions" src="cursor-positions-light.png">
- * </picture>
- *
- * The strong cursor location is the location where characters of the
- * directionality equal to the base direction of the layout are inserted.
- * The weak cursor location is the location where characters of the
- * directionality opposite to the base direction of the layout are inserted.
- *
- * The following example shows text with both a strong and a weak cursor.
- *
- * <picture>
- * <source srcset="split-cursor-dark.png" media="(prefers-color-scheme: dark)">
- * <img alt="Strong and weak cursors" src="split-cursor-light.png">
- * </picture>
- *
- * The strong cursor has a little arrow pointing to the right, the weak
- * cursor to the left. Typing a 'c' in this situation will insert the
- * character after the 'b', and typing another Hebrew character, like 'ג',
- * will insert it at the end.
- */
-void
-pango_layout_get_cursor_pos (PangoLayout *layout,
- int index,
- PangoRectangle *strong_pos,
- PangoRectangle *weak_pos)
-{
- PangoDirection dir1, dir2;
- int level1, level2;
- PangoRectangle line_rect = { 666, };
- PangoRectangle run_rect = { 666, };
- PangoLayoutLine *layout_line = NULL; /* Quiet GCC */
- int x1_trailing;
- int x2;
-
- g_return_if_fail (layout != NULL);
- g_return_if_fail (index >= 0 && index <= layout->length);
-
- layout_line = pango_layout_index_to_line_and_extents (layout, index,
- &line_rect, &run_rect);
-
- g_assert (index >= layout_line->start_index);
-
- /* Examine the trailing edge of the character before the cursor */
- if (index == layout_line->start_index)
- {
- dir1 = layout_line->resolved_dir;
- level1 = dir1 == PANGO_DIRECTION_LTR ? 0 : 1;
- if (layout_line->resolved_dir == PANGO_DIRECTION_LTR)
- x1_trailing = 0;
- else
- x1_trailing = line_rect.width;
- }
- else
- {
- gint prev_index = g_utf8_prev_char (layout->text + index) - layout->text;
- level1 = pango_layout_line_get_char_level (layout_line, prev_index);
- dir1 = level1 % 2 ? PANGO_DIRECTION_RTL : PANGO_DIRECTION_LTR;
- pango_layout_line_index_to_x (layout_line, prev_index, TRUE, &x1_trailing);
- }
-
- /* Examine the leading edge of the character after the cursor */
- if (index >= layout_line->start_index + layout_line->length)
- {
- dir2 = layout_line->resolved_dir;
- level2 = dir2 == PANGO_DIRECTION_LTR ? 0 : 1;
- if (layout_line->resolved_dir == PANGO_DIRECTION_LTR)
- x2 = line_rect.width;
- else
- x2 = 0;
- }
- else
- {
- pango_layout_line_index_to_x (layout_line, index, FALSE, &x2);
- level2 = pango_layout_line_get_char_level (layout_line, index);
- dir2 = level2 % 2 ? PANGO_DIRECTION_RTL : PANGO_DIRECTION_LTR;
- }
-
- if (strong_pos)
- {
- strong_pos->x = line_rect.x;
-
- if (dir1 == layout_line->resolved_dir &&
- (dir2 != dir1 || level1 < level2))
- strong_pos->x += x1_trailing;
- else
- strong_pos->x += x2;
-
- strong_pos->y = run_rect.y;
- strong_pos->width = 0;
- strong_pos->height = run_rect.height;
- }
-
- if (weak_pos)
- {
- weak_pos->x = line_rect.x;
-
- if (dir1 == layout_line->resolved_dir &&
- (dir2 != dir1 || level1 < level2))
- weak_pos->x += x2;
- else
- weak_pos->x += x1_trailing;
-
- weak_pos->y = run_rect.y;
- weak_pos->width = 0;
- weak_pos->height = run_rect.height;
- }
-}
-
-/**
- * pango_layout_get_caret_pos:
- * @layout: a `PangoLayout`
- * @index_: the byte index of the cursor
- * @strong_pos: (out) (optional): location to store the strong cursor position
- * @weak_pos: (out) (optional): location to store the weak cursor position
- *
- * Given an index within a layout, determines the positions that of the
- * strong and weak cursors if the insertion point is at that index.
- *
- * This is a variant of [method@Pango.Layout.get_cursor_pos] that applies
- * font metric information about caret slope and offset to the positions
- * it returns.
- *
- * <picture>
- * <source srcset="caret-metrics-dark.png" media="(prefers-color-scheme: dark)">
- * <img alt="Caret metrics" src="caret-metrics-light.png">
- * </picture>
- *
- * Since: 1.50
- */
-void
-pango_layout_get_caret_pos (PangoLayout *layout,
- int index,
- PangoRectangle *strong_pos,
- PangoRectangle *weak_pos)
-{
- PangoLayoutLine *line;
- PangoLayoutRun *run;
- hb_font_t *hb_font;
- hb_position_t caret_offset, caret_run, caret_rise, descender;
-
- pango_layout_get_cursor_pos (layout, index, strong_pos, weak_pos);
-
- /* FIXME: not very efficient to re-iterate here */
- line = pango_layout_index_to_line_and_extents (layout, index, NULL, NULL);
- run = pango_layout_line_get_run (line, index);
- if (!run)
- run = pango_layout_line_get_run (line, index - 1);
-
- if (!run)
- return;
-
- hb_font = pango_font_get_hb_font (run->item->analysis.font);
-
- if (hb_ot_metrics_get_position (hb_font, HB_OT_METRICS_TAG_HORIZONTAL_CARET_RISE, &caret_rise) &&
- hb_ot_metrics_get_position (hb_font, HB_OT_METRICS_TAG_HORIZONTAL_CARET_RUN, &caret_run) &&
- hb_ot_metrics_get_position (hb_font, HB_OT_METRICS_TAG_HORIZONTAL_CARET_OFFSET, &caret_offset) &&
- hb_ot_metrics_get_position (hb_font, HB_OT_METRICS_TAG_HORIZONTAL_DESCENDER, &descender))
- {
- double slope_inv;
- int x_scale, y_scale;
-
- if (strong_pos)
- strong_pos->x += caret_offset;
-
- if (weak_pos)
- weak_pos->x += caret_offset;
-
- if (caret_rise == 0)
- return;
-
- hb_font_get_scale (hb_font, &x_scale, &y_scale);
- slope_inv = (caret_run * y_scale) / (double) (caret_rise * x_scale);
-
- if (strong_pos)
- {
- strong_pos->x += descender * slope_inv;
- strong_pos->width = strong_pos->height * slope_inv;
- if (slope_inv < 0)
- strong_pos->x -= strong_pos->width;
- }
-
- if (weak_pos)
- {
- weak_pos->x += descender * slope_inv;
- weak_pos->width = weak_pos->height * slope_inv;
- if (slope_inv < 0)
- weak_pos->x -= weak_pos->width;
- }
- }
-}
-
-static inline int
-direction_simple (PangoDirection d)
-{
- switch (d)
- {
- case PANGO_DIRECTION_LTR :
- case PANGO_DIRECTION_WEAK_LTR :
- case PANGO_DIRECTION_TTB_RTL :
- return 1;
- case PANGO_DIRECTION_RTL :
- case PANGO_DIRECTION_WEAK_RTL :
- case PANGO_DIRECTION_TTB_LTR :
- return -1;
- case PANGO_DIRECTION_NEUTRAL :
- return 0;
- default:
- break;
- }
- /* not reached */
- return 0;
-}
-
-static PangoAlignment
-get_alignment (PangoLayout *layout,
- PangoLayoutLine *line)
-{
- PangoAlignment alignment = layout->alignment;
-
- if (alignment != PANGO_ALIGN_CENTER && line->layout->auto_dir &&
- direction_simple (line->resolved_dir) ==
- -direction_simple (pango_context_get_base_dir (layout->context)))
- {
- if (alignment == PANGO_ALIGN_LEFT)
- alignment = PANGO_ALIGN_RIGHT;
- else if (alignment == PANGO_ALIGN_RIGHT)
- alignment = PANGO_ALIGN_LEFT;
- }
-
- return alignment;
-}
-
-static void
-get_x_offset (PangoLayout *layout,
- PangoLayoutLine *line,
- int layout_width,
- int line_width,
- int *x_offset)
-{
- PangoAlignment alignment = get_alignment (layout, line);
-
- /* Alignment */
- if (layout_width == 0)
- *x_offset = 0;
- else if (alignment == PANGO_ALIGN_RIGHT)
- *x_offset = layout_width - line_width;
- else if (alignment == PANGO_ALIGN_CENTER) {
- *x_offset = (layout_width - line_width) / 2;
- /* hinting */
- if (((layout_width | line_width) & (PANGO_SCALE - 1)) == 0)
- {
- *x_offset = PANGO_UNITS_ROUND (*x_offset);
- }
- } else
- *x_offset = 0;
-
- /* Indentation */
-
- /* For center, we ignore indentation; I think I've seen word
- * processors that still do the indentation here as if it were
- * indented left/right, though we can't sensibly do that without
- * knowing whether left/right is the "normal" thing for this text
- */
-
- if (alignment == PANGO_ALIGN_CENTER)
- return;
-
- if (line->is_paragraph_start)
- {
- if (layout->indent > 0)
- {
- if (alignment == PANGO_ALIGN_LEFT)
- *x_offset += layout->indent;
- else
- *x_offset -= layout->indent;
- }
- }
- else
- {
- if (layout->indent < 0)
- {
- if (alignment == PANGO_ALIGN_LEFT)
- *x_offset -= layout->indent;
- else
- *x_offset += layout->indent;
- }
- }
-}
-
-static void
-pango_layout_line_get_extents_and_height (PangoLayoutLine *line,
- PangoRectangle *ink,
- PangoRectangle *logical,
- int *height);
-static void
-get_line_extents_layout_coords (PangoLayout *layout,
- PangoLayoutLine *line,
- int layout_width,
- int y_offset,
- int *baseline,
- PangoRectangle *line_ink_layout,
- PangoRectangle *line_logical_layout)
-{
- int x_offset;
- /* Line extents in line coords (origin at line baseline) */
- PangoRectangle line_ink;
- PangoRectangle line_logical;
- gboolean first_line;
- int new_baseline;
- int height;
-
- if (layout->lines->data == line)
- first_line = TRUE;
- else
- first_line = FALSE;
-
- pango_layout_line_get_extents_and_height (line, line_ink_layout ? &line_ink : NULL,
- &line_logical,
- &height);
-
- get_x_offset (layout, line, layout_width, line_logical.width, &x_offset);
-
- if (first_line || !baseline || layout->line_spacing == 0.0)
- new_baseline = y_offset - line_logical.y;
- else
- new_baseline = *baseline + layout->line_spacing * height;
-
- /* Convert the line's extents into layout coordinates */
- if (line_ink_layout)
- {
- *line_ink_layout = line_ink;
- line_ink_layout->x = line_ink.x + x_offset;
- line_ink_layout->y = new_baseline + line_ink.y;
- }
-
- if (line_logical_layout)
- {
- *line_logical_layout = line_logical;
- line_logical_layout->x = line_logical.x + x_offset;
- line_logical_layout->y = new_baseline + line_logical.y;
- }
-
- if (baseline)
- *baseline = new_baseline;
-}
-
-/* if non-NULL line_extents returns a list of line extents
- * in layout coordinates
- */
-static void
-pango_layout_get_extents_internal (PangoLayout *layout,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect,
- Extents **line_extents)
-{
- GSList *line_list;
- int y_offset = 0;
- int width;
- gboolean need_width = FALSE;
- int line_index = 0;
- int baseline;
-
- g_return_if_fail (layout != NULL);
-
- pango_layout_check_lines (layout);
-
- if (ink_rect && layout->ink_rect_cached)
- {
- *ink_rect = layout->ink_rect;
- ink_rect = NULL;
- }
- if (logical_rect && layout->logical_rect_cached)
- {
- *logical_rect = layout->logical_rect;
- logical_rect = NULL;
- }
- if (!ink_rect && !logical_rect && !line_extents)
- return;
-
- /* When we are not wrapping, we need the overall width of the layout to
- * figure out the x_offsets of each line. However, we only need the
- * x_offsets if we are computing the ink_rect or individual line extents.
- */
- width = layout->width;
-
- if (layout->auto_dir)
- {
- /* If one of the lines of the layout is not left aligned, then we need
- * the width of the layout to calculate line x-offsets; this requires
- * looping through the lines for layout->auto_dir.
- */
- line_list = layout->lines;
- while (line_list && !need_width)
- {
- PangoLayoutLine *line = line_list->data;
-
- if (get_alignment (layout, line) != PANGO_ALIGN_LEFT)
- need_width = TRUE;
-
- line_list = line_list->next;
- }
- }
- else if (layout->alignment != PANGO_ALIGN_LEFT)
- need_width = TRUE;
-
- if (width == -1 && need_width && (ink_rect || line_extents))
- {
- PangoRectangle overall_logical;
-
- pango_layout_get_extents_internal (layout, NULL, &overall_logical, NULL);
- width = overall_logical.width;
- }
-
- if (logical_rect)
- {
- logical_rect->x = 0;
- logical_rect->y = 0;
- logical_rect->width = 0;
- logical_rect->height = 0;
- }
-
-
- if (line_extents && layout->line_count > 0)
- {
- *line_extents = g_malloc (sizeof (Extents) * layout->line_count);
- }
-
- baseline = 0;
- line_list = layout->lines;
- while (line_list)
- {
- PangoLayoutLine *line = line_list->data;
- /* Line extents in layout coords (origin at 0,0 of the layout) */
- PangoRectangle line_ink_layout;
- PangoRectangle line_logical_layout;
-
- int new_pos;
-
- /* This block gets the line extents in layout coords */
- {
- get_line_extents_layout_coords (layout, line,
- width, y_offset,
- &baseline,
- ink_rect ? &line_ink_layout : NULL,
- &line_logical_layout);
-
- if (line_extents && layout->line_count > 0)
- {
- Extents *ext = &(*line_extents)[line_index];
- ext->baseline = baseline;
- ext->ink_rect = line_ink_layout;
- ext->logical_rect = line_logical_layout;
- }
- }
-
- if (ink_rect)
- {
- /* Compute the union of the current ink_rect with
- * line_ink_layout
- */
-
- if (line_list == layout->lines)
- {
- *ink_rect = line_ink_layout;
- }
- else
- {
- new_pos = MIN (ink_rect->x, line_ink_layout.x);
- ink_rect->width =
- MAX (ink_rect->x + ink_rect->width,
- line_ink_layout.x + line_ink_layout.width) - new_pos;
- ink_rect->x = new_pos;
-
- new_pos = MIN (ink_rect->y, line_ink_layout.y);
- ink_rect->height =
- MAX (ink_rect->y + ink_rect->height,
- line_ink_layout.y + line_ink_layout.height) - new_pos;
- ink_rect->y = new_pos;
- }
- }
-
- if (logical_rect)
- {
- if (layout->width == -1)
- {
- /* When no width is set on layout, we can just compute the max of the
- * line lengths to get the horizontal extents ... logical_rect.x = 0.
- */
- logical_rect->width = MAX (logical_rect->width, line_logical_layout.width);
- }
- else
- {
- /* When a width is set, we have to compute the union of the horizontal
- * extents of all the lines.
- */
- if (line_list == layout->lines)
- {
- logical_rect->x = line_logical_layout.x;
- logical_rect->width = line_logical_layout.width;
- }
- else
- {
- new_pos = MIN (logical_rect->x, line_logical_layout.x);
- logical_rect->width =
- MAX (logical_rect->x + logical_rect->width,
- line_logical_layout.x + line_logical_layout.width) - new_pos;
- logical_rect->x = new_pos;
-
- }
- }
-
- logical_rect->height = line_logical_layout.y + line_logical_layout.height - logical_rect->y;
- }
-
- y_offset = line_logical_layout.y + line_logical_layout.height + layout->spacing;
- line_list = line_list->next;
- line_index ++;
- }
-
- if (ink_rect)
- {
- layout->ink_rect = *ink_rect;
- layout->ink_rect_cached = TRUE;
- }
- if (logical_rect)
- {
- layout->logical_rect = *logical_rect;
- layout->logical_rect_cached = TRUE;
- }
-}
-
-/**
- * pango_layout_get_extents:
- * @layout: a `PangoLayout`
- * @ink_rect: (out) (optional): rectangle used to store the extents of the
- * layout as drawn
- * @logical_rect: (out) (optional):rectangle used to store the logical
- * extents of the layout
- *
- * Computes the logical and ink extents of @layout.
- *
- * Logical extents are usually what you want for positioning things. Note
- * that both extents may have non-zero x and y. You may want to use those
- * to offset where you render the layout. Not doing that is a very typical
- * bug that shows up as right-to-left layouts not being correctly positioned
- * in a layout with a set width.
- *
- * The extents are given in layout coordinates and in Pango units; layout
- * coordinates begin at the top left corner of the layout.
- */
-void
-pango_layout_get_extents (PangoLayout *layout,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect)
-{
- g_return_if_fail (layout != NULL);
-
- pango_layout_get_extents_internal (layout, ink_rect, logical_rect, NULL);
-}
-
-/**
- * pango_layout_get_pixel_extents:
- * @layout: a `PangoLayout`
- * @ink_rect: (out) (optional): rectangle used to store the extents of the
- * layout as drawn
- * @logical_rect: (out) (optional): rectangle used to store the logical
- * extents of the layout
- *
- * Computes the logical and ink extents of @layout in device units.
- *
- * This function just calls [method@Pango.Layout.get_extents] followed by
- * two [func@extents_to_pixels] calls, rounding @ink_rect and @logical_rect
- * such that the rounded rectangles fully contain the unrounded one (that is,
- * passes them as first argument to [func@Pango.extents_to_pixels]).
- */
-void
-pango_layout_get_pixel_extents (PangoLayout *layout,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect)
-{
- g_return_if_fail (PANGO_IS_LAYOUT (layout));
-
- pango_layout_get_extents (layout, ink_rect, logical_rect);
- pango_extents_to_pixels (ink_rect, NULL);
- pango_extents_to_pixels (logical_rect, NULL);
-}
-
-/**
- * pango_layout_get_size:
- * @layout: a `PangoLayout`
- * @width: (out) (optional): location to store the logical width
- * @height: (out) (optional): location to store the logical height
- *
- * Determines the logical width and height of a `PangoLayout` in Pango
- * units.
- *
- * This is simply a convenience function around [method@Pango.Layout.get_extents].
- */
-void
-pango_layout_get_size (PangoLayout *layout,
- int *width,
- int *height)
-{
- PangoRectangle logical_rect;
-
- pango_layout_get_extents (layout, NULL, &logical_rect);
-
- if (width)
- *width = logical_rect.width;
- if (height)
- *height = logical_rect.height;
-}
-
-/**
- * pango_layout_get_pixel_size:
- * @layout: a `PangoLayout`
- * @width: (out) (optional): location to store the logical width
- * @height: (out) (optional): location to store the logical height
- *
- * Determines the logical width and height of a `PangoLayout` in device
- * units.
- *
- * [method@Pango.Layout.get_size] returns the width and height
- * scaled by %PANGO_SCALE. This is simply a convenience function
- * around [method@Pango.Layout.get_pixel_extents].
- */
-void
-pango_layout_get_pixel_size (PangoLayout *layout,
- int *width,
- int *height)
-{
- PangoRectangle logical_rect;
-
- pango_layout_get_extents_internal (layout, NULL, &logical_rect, NULL);
- pango_extents_to_pixels (&logical_rect, NULL);
-
- if (width)
- *width = logical_rect.width;
- if (height)
- *height = logical_rect.height;
-}
-
-/**
- * pango_layout_get_baseline:
- * @layout: a `PangoLayout`
- *
- * Gets the Y position of baseline of the first line in @layout.
- *
- * Return value: baseline of first line, from top of @layout
- *
- * Since: 1.22
- */
-int
-pango_layout_get_baseline (PangoLayout *layout)
-{
- int baseline;
- Extents *extents = NULL;
-
- /* XXX this is kinda inefficient */
- pango_layout_get_extents_internal (layout, NULL, NULL, &extents);
- baseline = extents ? extents[0].baseline : 0;
-
- g_free (extents);
-
- return baseline;
-}
-
-static void
-pango_layout_clear_lines (PangoLayout *layout)
-{
- if (layout->lines)
- {
- GSList *tmp_list = layout->lines;
- while (tmp_list)
- {
- PangoLayoutLine *line = tmp_list->data;
- tmp_list = tmp_list->next;
-
- line->layout = NULL;
- pango_layout_line_unref (line);
- }
-
- g_slist_free (layout->lines);
- layout->lines = NULL;
- layout->line_count = 0;
- }
-
- layout->unknown_glyphs_count = -1;
- layout->logical_rect_cached = FALSE;
- layout->ink_rect_cached = FALSE;
- layout->is_ellipsized = FALSE;
- layout->is_wrapped = FALSE;
-}
-
-static void
-pango_layout_line_leaked (PangoLayoutLine *line)
-{
- PangoLayoutLinePrivate *private = (PangoLayoutLinePrivate *)line;
-
- private->cache_status = LEAKED;
-
- if (line->layout)
- {
- line->layout->logical_rect_cached = FALSE;
- line->layout->ink_rect_cached = FALSE;
- }
-}
-
-
-/*****************
- * Line Breaking *
- *****************/
-
-static void shape_tab (PangoLayoutLine *line,
- LastTabState *tab_state,
- ItemProperties *properties,
- int current_width,
- PangoItem *item,
- PangoGlyphString *glyphs);
-
-static void
-free_run (PangoLayoutRun *run, gpointer data)
-{
- gboolean free_item = data != NULL;
- if (free_item)
- pango_item_free (run->item);
-
- pango_glyph_string_free (run->glyphs);
- g_slice_free (PangoLayoutRun, run);
-}
-
-static PangoItem *
-uninsert_run (PangoLayoutLine *line)
-{
- PangoLayoutRun *run;
- PangoItem *item;
-
- GSList *tmp_node = line->runs;
-
- run = tmp_node->data;
- item = run->item;
-
- line->runs = tmp_node->next;
- line->length -= item->length;
-
- g_slist_free_1 (tmp_node);
- free_run (run, (gpointer)FALSE);
-
- return item;
-}
-
-static void
-ensure_tab_width (PangoLayout *layout)
-{
- if (layout->tab_width == -1)
- {
- /* Find out how wide 8 spaces are in the context's default
- * font. Utter performance killer. :-(
- */
- PangoGlyphString *glyphs = pango_glyph_string_new ();
- PangoItem *item;
- GList *items;
- PangoAttribute *attr;
- PangoAttrList *layout_attrs;
- PangoAttrList tmp_attrs;
- PangoFontDescription *font_desc = pango_font_description_copy_static
(pango_context_get_font_description (layout->context));
- PangoLanguage *language = NULL;
- PangoShapeFlags shape_flags = PANGO_SHAPE_NONE;
-
- if (pango_context_get_round_glyph_positions (layout->context))
- shape_flags |= PANGO_SHAPE_ROUND_POSITIONS;
-
- layout_attrs = pango_layout_get_effective_attributes (layout);
- if (layout_attrs)
- {
- PangoAttrIterator iter;
-
- _pango_attr_list_get_iterator (layout_attrs, &iter);
- pango_attr_iterator_get_font (&iter, font_desc, &language, NULL);
- _pango_attr_iterator_destroy (&iter);
- }
-
- _pango_attr_list_init (&tmp_attrs);
-
- attr = pango_attr_font_desc_new (font_desc);
- pango_font_description_free (font_desc);
- pango_attr_list_insert_before (&tmp_attrs, attr);
-
- if (language)
- {
- attr = pango_attr_language_new (language);
- pango_attr_list_insert_before (&tmp_attrs, attr);
- }
-
- items = pango_itemize (layout->context,
- pango_context_get_base_dir (layout->context),
- " ", 0, 1, &tmp_attrs);
-
- if (layout_attrs != layout->attrs)
- {
- pango_attr_list_unref (layout_attrs);
- layout_attrs = NULL;
- }
- _pango_attr_list_destroy (&tmp_attrs);
-
- item = items->data;
- pango_shape (" ", 8, " ", 8, &item->analysis, glyphs, shape_flags);
-
- pango_item_free (item);
- g_list_free (items);
-
- layout->tab_width = pango_glyph_string_get_width (glyphs);
-
- pango_glyph_string_free (glyphs);
-
- /* We need to make sure the tab_width is > 0 so finding tab positions
- * terminates. This check should be necessary only under extreme
- * problems with the font.
- */
- if (layout->tab_width <= 0)
- layout->tab_width = 50 * PANGO_SCALE; /* pretty much arbitrary */
- }
-}
-
-static void
-get_tab_pos (PangoLayoutLine *line,
- int index,
- int *tab_pos,
- PangoTabAlign *alignment,
- gunichar *decimal,
- gboolean *is_default)
-{
- PangoLayout *layout = line->layout;
- int n_tabs;
- gboolean in_pixels;
- int offset = 0;
-
- if (layout->alignment != PANGO_ALIGN_CENTER)
- {
- if (line->is_paragraph_start && layout->indent >= 0)
- offset = layout->indent;
- else if (!line->is_paragraph_start && layout->indent < 0)
- offset = - layout->indent;
- }
-
- if (layout->tabs)
- {
- n_tabs = pango_tab_array_get_size (layout->tabs);
- in_pixels = pango_tab_array_get_positions_in_pixels (layout->tabs);
- *is_default = FALSE;
- }
- else
- {
- n_tabs = 0;
- in_pixels = FALSE;
- *is_default = TRUE;
- }
-
- if (index < n_tabs)
- {
- pango_tab_array_get_tab (layout->tabs, index, alignment, tab_pos);
-
- if (in_pixels)
- *tab_pos *= PANGO_SCALE;
-
- *decimal = pango_tab_array_get_decimal_point (layout->tabs, index);
- }
- else if (n_tabs > 0)
- {
- /* Extrapolate tab position, repeating the last tab gap to infinity. */
- int last_pos = 0;
- int next_to_last_pos = 0;
- int tab_width;
-
- pango_tab_array_get_tab (layout->tabs, n_tabs - 1, alignment, &last_pos);
- *decimal = pango_tab_array_get_decimal_point (layout->tabs, n_tabs - 1);
-
- if (n_tabs > 1)
- pango_tab_array_get_tab (layout->tabs, n_tabs - 2, NULL, &next_to_last_pos);
- else
- next_to_last_pos = 0;
-
- if (in_pixels)
- {
- next_to_last_pos *= PANGO_SCALE;
- last_pos *= PANGO_SCALE;
- }
-
- if (last_pos > next_to_last_pos)
- tab_width = last_pos - next_to_last_pos;
- else
- tab_width = layout->tab_width;
-
- *tab_pos = last_pos + tab_width * (index - n_tabs + 1);
- }
- else
- {
- /* No tab array set, so use default tab width */
- *tab_pos = layout->tab_width * index;
- *alignment = PANGO_TAB_LEFT;
- *decimal = 0;
- }
-
- *tab_pos -= offset;
-}
-
-static void
-ensure_decimal (PangoLayout *layout)
-{
- if (layout->decimal == 0)
- layout->decimal = g_utf8_get_char (localeconv ()->decimal_point);
-}
-
-struct _LastTabState {
- PangoGlyphString *glyphs;
- int index;
- int width;
- int pos;
- PangoTabAlign align;
- gunichar decimal;
-};
-
-static void
-shape_tab (PangoLayoutLine *line,
- LastTabState *tab_state,
- ItemProperties *properties,
- int current_width,
- PangoItem *item,
- PangoGlyphString *glyphs)
-{
- int i, space_width;
- int tab_pos;
- PangoTabAlign tab_align;
- gunichar tab_decimal;
-
- pango_glyph_string_set_size (glyphs, 1);
-
- if (properties->showing_space)
- glyphs->glyphs[0].glyph = PANGO_GET_UNKNOWN_GLYPH ('\t');
- else
- glyphs->glyphs[0].glyph = PANGO_GLYPH_EMPTY;
-
- glyphs->glyphs[0].geometry.x_offset = 0;
- glyphs->glyphs[0].geometry.y_offset = 0;
- glyphs->glyphs[0].attr.is_cluster_start = 1;
- glyphs->glyphs[0].attr.is_color = 0;
-
- glyphs->log_clusters[0] = 0;
-
- ensure_tab_width (line->layout);
- space_width = line->layout->tab_width / 8;
-
- for (i = tab_state->index; ; i++)
- {
- gboolean is_default;
-
- get_tab_pos (line, i, &tab_pos, &tab_align, &tab_decimal, &is_default);
-
- /* Make sure there is at least a space-width of space between
- * tab-aligned text and the text before it. However, only do
- * this if no tab array is set on the layout, ie. using default
- * tab positions. If the user has set tab positions, respect it
- * to the pixel.
- */
- if (tab_pos >= current_width + (is_default ? space_width : 1))
- {
- glyphs->glyphs[0].geometry.width = tab_pos - current_width;
- break;
- }
- }
-
- if (tab_decimal == 0)
- {
- ensure_decimal (line->layout);
- tab_decimal = line->layout->decimal;
- }
-
- tab_state->glyphs = glyphs;
- tab_state->index = i;
- tab_state->width = current_width;
- tab_state->pos = tab_pos;
- tab_state->align = tab_align;
- tab_state->decimal = tab_decimal;
-}
-
-static inline gboolean
-can_break_at (PangoLayout *layout,
- gint offset,
- PangoWrapMode wrap)
-{
- if (offset == layout->n_chars)
- return TRUE;
- else if (wrap == PANGO_WRAP_CHAR)
- return layout->log_attrs[offset].is_char_break;
- else
- return layout->log_attrs[offset].is_line_break;
-}
-
-static inline gboolean
-can_break_in (PangoLayout *layout,
- int start_offset,
- int num_chars,
- gboolean allow_break_at_start)
-{
- int i;
-
- for (i = allow_break_at_start ? 0 : 1; i < num_chars; i++)
- if (can_break_at (layout, start_offset + i, layout->wrap))
- return TRUE;
-
- return FALSE;
-}
-
-static inline void
-distribute_letter_spacing (int letter_spacing,
- int *space_left,
- int *space_right)
-{
- *space_left = letter_spacing / 2;
- /* hinting */
- if ((letter_spacing & (PANGO_SCALE - 1)) == 0)
- {
- *space_left = PANGO_UNITS_ROUND (*space_left);
- }
- *space_right = letter_spacing - *space_left;
-}
-
-typedef enum
-{
- BREAK_NONE_FIT,
- BREAK_SOME_FIT,
- BREAK_ALL_FIT,
- BREAK_EMPTY_FIT,
- BREAK_LINE_SEPARATOR
-} BreakResult;
-
-struct _ParaBreakState
-{
- /* maintained per layout */
- int line_height; /* Estimate of height of current line; < 0 is no estimate */
- int remaining_height; /* Remaining height of the layout; only defined if layout->height >= 0 */
-
- /* maintained per paragraph */
- PangoAttrList *attrs; /* Attributes being used for itemization */
- GList *items; /* This paragraph turned into items */
- PangoDirection base_dir; /* Current resolved base direction */
- int line_of_par; /* Line of the paragraph, starting at 1 for first line */
-
- PangoGlyphString *glyphs; /* Glyphs for the first item in state->items */
- int start_offset; /* Character offset of first item in state->items in layout->text */
- ItemProperties properties; /* Properties for the first item in state->items */
- int *log_widths; /* Logical widths for first item in state->items.. */
- int num_log_widths; /* Length of log_widths */
- int log_widths_offset; /* Offset into log_widths to the point corresponding
- * to the remaining portion of the first item */
-
- int line_start_index; /* Start index (byte offset) of line in layout->text */
- int line_start_offset; /* Character offset of line in layout->text */
-
- /* maintained per line */
- int line_width; /* Goal width of line currently processing; < 0 is infinite */
- int remaining_width; /* Amount of space remaining on line; < 0 is infinite */
-
- int hyphen_width; /* How much space a hyphen will take */
-
- GList *baseline_shifts;
-
- LastTabState last_tab;
-};
-
-static gboolean
-should_ellipsize_current_line (PangoLayout *layout,
- ParaBreakState *state);
-
-static void
-get_decimal_prefix_width (PangoItem *item,
- PangoGlyphString *glyphs,
- const char *text,
- gunichar decimal,
- int *width,
- gboolean *found)
-{
- PangoGlyphItem glyph_item = { item, glyphs, 0, 0, 0 };
- int *log_widths;
- int i;
- const char *p;
-
- log_widths = g_new (int, item->num_chars);
-
- pango_glyph_item_get_logical_widths (&glyph_item, text, log_widths);
-
- *width = 0;
- *found = FALSE;
-
- for (i = 0, p = text + item->offset; i < item->num_chars; i++, p = g_utf8_next_char (p))
- {
- if (g_utf8_get_char (p) == decimal)
- {
- *width += log_widths[i] / 2;
- *found = TRUE;
- break;
- }
-
- *width += log_widths[i];
- }
-
- g_free (log_widths);
-}
-
-static int
-line_width (ParaBreakState *state,
- PangoLayoutLine *line)
-{
- GSList *l;
- int i;
- int width = 0;
-
- if (state->remaining_width > -1)
- return state->line_width - state->remaining_width;
-
- /* Compute the width of the line currently - inefficient, but easier
- * than keeping the current width of the line up to date everywhere
- */
- for (l = line->runs; l; l = l->next)
- {
- PangoLayoutRun *run = l->data;
-
- for (i = 0; i < run->glyphs->num_glyphs; i++)
- width += run->glyphs->glyphs[i].geometry.width;
- }
-
- return width;
-}
-
-static PangoGlyphString *
-shape_run (PangoLayoutLine *line,
- ParaBreakState *state,
- PangoItem *item)
-{
- PangoLayout *layout = line->layout;
- PangoGlyphString *glyphs = pango_glyph_string_new ();
-
- if (layout->text[item->offset] == '\t')
- shape_tab (line, &state->last_tab, &state->properties, line_width (state, line), item, glyphs);
- else
- {
- PangoShapeFlags shape_flags = PANGO_SHAPE_NONE;
-
- if (pango_context_get_round_glyph_positions (layout->context))
- shape_flags |= PANGO_SHAPE_ROUND_POSITIONS;
-
- if (state->properties.shape_set)
- _pango_shape_shape (layout->text + item->offset, item->num_chars,
- state->properties.shape_ink_rect, state->properties.shape_logical_rect,
- glyphs);
- else
- pango_shape_item (item,
- layout->text, layout->length,
- layout->log_attrs + state->start_offset,
- glyphs,
- shape_flags);
-
- if (state->properties.letter_spacing)
- {
- PangoGlyphItem glyph_item;
- int space_left, space_right;
-
- glyph_item.item = item;
- glyph_item.glyphs = glyphs;
-
- pango_glyph_item_letter_space (&glyph_item,
- layout->text,
- layout->log_attrs + state->start_offset,
- state->properties.letter_spacing);
-
- distribute_letter_spacing (state->properties.letter_spacing, &space_left, &space_right);
-
- glyphs->glyphs[0].geometry.width += space_left;
- glyphs->glyphs[0].geometry.x_offset += space_left;
- glyphs->glyphs[glyphs->num_glyphs - 1].geometry.width += space_right;
- }
-
- if (state->last_tab.glyphs != NULL)
- {
- int w;
-
- g_assert (state->last_tab.glyphs->num_glyphs == 1);
-
- /* Update the width of the current tab to position this run properly */
-
- w = state->last_tab.pos - state->last_tab.width;
-
- if (state->last_tab.align == PANGO_TAB_RIGHT)
- w -= pango_glyph_string_get_width (glyphs);
- else if (state->last_tab.align == PANGO_TAB_CENTER)
- w -= pango_glyph_string_get_width (glyphs) / 2;
- else if (state->last_tab.align == PANGO_TAB_DECIMAL)
- {
- int width;
- gboolean found;
-
- get_decimal_prefix_width (item, glyphs, layout->text, state->last_tab.decimal, &width, &found);
-
- w -= width;
- }
-
- state->last_tab.glyphs->glyphs[0].geometry.width = MAX (w, 0);
- }
- }
-
- return glyphs;
-}
-
-static void
-insert_run (PangoLayoutLine *line,
- ParaBreakState *state,
- PangoItem *run_item,
- PangoGlyphString *glyphs,
- gboolean last_run)
-{
- PangoLayoutRun *run = g_slice_new (PangoLayoutRun);
-
- run->item = run_item;
-
- if (glyphs)
- run->glyphs = glyphs;
- else if (last_run && state->log_widths_offset == 0 &&
- !(run_item->analysis.flags & PANGO_ANALYSIS_FLAG_NEED_HYPHEN))
- {
- run->glyphs = state->glyphs;
- state->glyphs = NULL;
- }
- else
- run->glyphs = shape_run (line, state, run_item);
-
- if (last_run && state->glyphs)
- {
- pango_glyph_string_free (state->glyphs);
- state->glyphs = NULL;
- }
-
- line->runs = g_slist_prepend (line->runs, run);
- line->length += run_item->length;
-
- if (state->last_tab.glyphs && run->glyphs != state->last_tab.glyphs)
- {
- gboolean found_decimal = FALSE;
- int width;
-
- /* Adjust the tab position so placing further runs will continue to
- * maintain the tab placement. In the case of decimal tabs, we are
- * done once we've placed the run with the decimal point.
- */
-
- if (state->last_tab.align == PANGO_TAB_RIGHT)
- state->last_tab.width += pango_glyph_string_get_width (run->glyphs);
- else if (state->last_tab.align == PANGO_TAB_CENTER)
- state->last_tab.width += pango_glyph_string_get_width (run->glyphs) / 2;
- else if (state->last_tab.align == PANGO_TAB_DECIMAL)
- {
- int width;
-
- get_decimal_prefix_width (run->item, run->glyphs, line->layout->text, state->last_tab.decimal,
&width, &found_decimal);
-
- state->last_tab.width += width;
- }
-
- width = MAX (state->last_tab.pos - state->last_tab.width, 0);
- state->last_tab.glyphs->glyphs[0].geometry.width = width;
-
- if (found_decimal || width == 0)
- state->last_tab.glyphs = NULL;
- }
-}
-
-static gboolean
-break_needs_hyphen (PangoLayout *layout,
- ParaBreakState *state,
- int pos)
-{
- return layout->log_attrs[state->start_offset + pos].break_inserts_hyphen ||
- layout->log_attrs[state->start_offset + pos].break_removes_preceding;
-}
-
-static int
-find_hyphen_width (PangoItem *item)
-{
- hb_font_t *hb_font;
- hb_codepoint_t glyph;
-
- if (!item->analysis.font)
- return 0;
-
- /* This is not technically correct, since
- * a) we may end up inserting a different hyphen
- * b) we should reshape the entire run
- * But it is close enough in practice
- */
- hb_font = pango_font_get_hb_font (item->analysis.font);
- if (hb_font_get_nominal_glyph (hb_font, 0x2010, &glyph) ||
- hb_font_get_nominal_glyph (hb_font, '-', &glyph))
- return hb_font_get_glyph_h_advance (hb_font, glyph);
-
- return 0;
-}
-
-static inline void
-ensure_hyphen_width (ParaBreakState *state)
-{
- if (state->hyphen_width < 0)
- {
- PangoItem *item = state->items->data;
- state->hyphen_width = find_hyphen_width (item);
- }
-}
-
-static int
-find_break_extra_width (PangoLayout *layout,
- ParaBreakState *state,
- int pos)
-{
- /* Check whether to insert a hyphen,
- * or whether we are breaking after one of those
- * characters that turn into a hyphen,
- * or after a space.
- */
- if (layout->log_attrs[state->start_offset + pos].break_inserts_hyphen)
- {
- ensure_hyphen_width (state);
-
- if (layout->log_attrs[state->start_offset + pos].break_removes_preceding && pos > 0)
- return state->hyphen_width - state->log_widths[state->log_widths_offset + pos - 1];
- else
- return state->hyphen_width;
- }
- else if (pos > 0 &&
- layout->log_attrs[state->start_offset + pos - 1].is_white)
- {
- return - state->log_widths[state->log_widths_offset + pos - 1];
- }
-
- return 0;
-}
-
-#if 0
-# define DEBUG debug
-static int pango_layout_line_get_width (PangoLayoutLine *line);
-static void
-debug (const char *where, PangoLayoutLine *line, ParaBreakState *state)
-{
- int line_width = pango_layout_line_get_width (line);
-
- g_debug ("rem %d + line %d = %d %s",
- state->remaining_width,
- line_width,
- state->remaining_width + line_width,
- where);
-}
-# define DEBUG1(...) g_debug (__VA_ARGS__)
-#else
-# define DEBUG(where, line, state) do { } while (0)
-# define DEBUG1(...) do { } while (0)
-#endif
-
-static inline void
-compute_log_widths (PangoLayout *layout,
- ParaBreakState *state)
-{
- PangoItem *item = state->items->data;
- PangoGlyphItem glyph_item = { item, state->glyphs };
-
- if (item->num_chars > state->num_log_widths)
- {
- state->log_widths = g_renew (int, state->log_widths, item->num_chars);
- state->num_log_widths = item->num_chars;
- }
-
- pango_glyph_item_get_logical_widths (&glyph_item, layout->text, state->log_widths);
-}
-
-/* If last_tab is set, we've added a tab and remaining_width has been updated to
- * account for its origin width, which is last_tab_pos - last_tab_width. shape_run
- * updates the tab width, so we need to consider the delta when comparing
- * against remaining_width.
- */
-static int
-tab_width_change (ParaBreakState *state)
-{
- if (state->last_tab.glyphs)
- return state->last_tab.glyphs->glyphs[0].geometry.width - (state->last_tab.pos - state->last_tab.width);
-
- return 0;
-}
-
-/* Tries to insert as much as possible of the item at the head of
- * state->items onto @line. Five results are possible:
- *
- * %BREAK_NONE_FIT: Couldn't fit anything.
- * %BREAK_SOME_FIT: The item was broken in the middle.
- * %BREAK_ALL_FIT: Everything fit.
- * %BREAK_EMPTY_FIT: Nothing fit, but that was ok, as we can break at the first char.
- * %BREAK_LINE_SEPARATOR: Item begins with a line separator.
- *
- * If @force_fit is %TRUE, then %BREAK_NONE_FIT will never
- * be returned, a run will be added even if inserting the minimum amount
- * will cause the line to overflow. This is used at the start of a line
- * and until we've found at least some place to break.
- *
- * If @no_break_at_end is %TRUE, then %BREAK_ALL_FIT will never be
- * returned even everything fits; the run will be broken earlier,
- * or %BREAK_NONE_FIT returned. This is used when the end of the
- * run is not a break position.
- *
- * This function is the core of our line-breaking, and it is long and involved.
- * Here is an outline of the algorithm, without all the bookkeeping:
- *
- * if item appears to fit entirely
- * measure it
- * if it actually fits
- * return BREAK_ALL_FIT
- *
- * retry_break:
- * for each position p in the item
- * if adding more is 'obviously' not going to help and we have a breakpoint
- * exit the loop
- * if p is a possible break position
- * if p is 'obviously' going to fit
- * bc = p
- * else
- * measure breaking at p (taking extra break width into account
- * if we don't have a break candidate yet
- * bc = p
- * else
- * if p is better than bc
- * bc = p
- *
- * if bc does not fit and we can loosen break conditions
- * loosen break conditions and retry break
- *
- * return bc
- */
-static BreakResult
-process_item (PangoLayout *layout,
- PangoLayoutLine *line,
- ParaBreakState *state,
- gboolean force_fit,
- gboolean no_break_at_end,
- gboolean is_last_item)
-{
- PangoItem *item = state->items->data;
- gboolean shape_set = FALSE;
- int width;
- int extra_width;
- int orig_extra_width;
- int length;
- int i;
- int processing_new_item;
- int num_chars;
- int orig_width;
- PangoWrapMode wrap;
- int break_num_chars;
- int break_width;
- int break_extra_width;
- PangoGlyphString *break_glyphs;
- PangoFontMetrics *metrics;
- int safe_distance;
-
- DEBUG1 ("process item '%.*s'. Remaining width %d",
- item->length, layout->text + item->offset,
- state->remaining_width);
-
- /* We don't want to shape more than necessary, so we keep the results
- * of shaping a new item in state->glyphs, state->log_widths. Once
- * we break off initial parts of the item, we update state->log_widths_offset
- * to take that into account. Note that the widths we calculate from the
- * log_widths are an approximation, because a) log_widths are just
- * evenly divided for clusters, and b) clusters may change as we
- * break in the middle (think ff- i).
- *
- * We use state->log_widths_offset != 0 to detect if we are dealing
- * with the original item, or one that has been chopped off.
- */
- if (!state->glyphs)
- {
- pango_item_get_properties (item, &state->properties);
- state->glyphs = shape_run (line, state, item);
- state->log_widths_offset = 0;
- processing_new_item = TRUE;
- }
- else
- processing_new_item = FALSE;
-
- /* Only one character has type G_UNICODE_LINE_SEPARATOR in Unicode 5.0;
- * update this if that changes.
- */
-#define LINE_SEPARATOR 0x2028
-
- if (!layout->single_paragraph &&
- g_utf8_get_char (layout->text + item->offset) == LINE_SEPARATOR &&
- !should_ellipsize_current_line (layout, state))
- {
- insert_run (line, state, item, NULL, TRUE);
- state->log_widths_offset += item->num_chars;
-
- return BREAK_LINE_SEPARATOR;
- }
-
- if (state->remaining_width < 0 && !no_break_at_end) /* Wrapping off */
- {
- insert_run (line, state, item, NULL, TRUE);
- DEBUG1 ("no wrapping, all-fit");
- return BREAK_ALL_FIT;
- }
-
- if (processing_new_item)
- {
- width = pango_glyph_string_get_width (state->glyphs);
- }
- else
- {
- width = 0;
- for (i = 0; i < item->num_chars; i++)
- width += state->log_widths[state->log_widths_offset + i];
- }
-
- if (layout->text[item->offset] == '\t')
- {
- insert_run (line, state, item, NULL, TRUE);
- state->remaining_width -= width;
- state->remaining_width = MAX (state->remaining_width, 0);
-
- DEBUG1 ("tab run, all-fit");
- return BREAK_ALL_FIT;
- }
-
- wrap = layout->wrap;
-
- if (!no_break_at_end &&
- can_break_at (layout, state->start_offset + item->num_chars, wrap))
- {
- if (processing_new_item)
- {
- compute_log_widths (layout, state);
- processing_new_item = FALSE;
- }
-
- extra_width = find_break_extra_width (layout, state, item->num_chars);
- }
- else
- extra_width = 0;
-
- if ((width + extra_width <= state->remaining_width || (item->num_chars == 1 && !line->runs) ||
- (state->last_tab.glyphs && state->last_tab.align != PANGO_TAB_LEFT)) &&
- !no_break_at_end)
- {
- PangoGlyphString *glyphs;
-
- DEBUG1 ("%d + %d <= %d", width, extra_width, state->remaining_width);
- glyphs = shape_run (line, state, item);
-
- width = pango_glyph_string_get_width (glyphs) + tab_width_change (state);
-
- if (width + extra_width <= state->remaining_width || (item->num_chars == 1 && !line->runs))
- {
- insert_run (line, state, item, glyphs, TRUE);
-
- state->remaining_width -= width;
- state->remaining_width = MAX (state->remaining_width, 0);
-
- DEBUG1 ("early accept '%.*s', all-fit, remaining %d",
- item->length, layout->text + item->offset,
- state->remaining_width);
- return BREAK_ALL_FIT;
- }
-
- /* if it doesn't fit after shaping, discard and proceed to break the item */
- pango_glyph_string_free (glyphs);
- }
-
- /*** From here on, we look for a way to break item ***/
-
- orig_width = width;
- orig_extra_width = extra_width;
- break_width = width;
- break_extra_width = extra_width;
- break_num_chars = item->num_chars;
- wrap = layout->wrap;
- break_glyphs = NULL;
-
- /* Add some safety margin here. If we are farther away from the end of the
- * line than this, we don't look carefully at a break possibility.
- */
- metrics = pango_font_get_metrics (item->analysis.font, item->analysis.language);
- safe_distance = pango_font_metrics_get_approximate_char_width (metrics) * 3;
- pango_font_metrics_unref (metrics);
-
- if (processing_new_item)
- {
- compute_log_widths (layout, state);
- processing_new_item = FALSE;
- }
-
-retry_break:
-
- for (num_chars = 0, width = 0; num_chars < (no_break_at_end ? item->num_chars : (item->num_chars + 1));
num_chars++)
- {
- extra_width = find_break_extra_width (layout, state, num_chars);
-
- /* We don't want to walk the entire item if we can help it, but
- * we need to keep going at least until we've found a breakpoint
- * that 'works' (as in, it doesn't overflow the budget we have,
- * or there is no hope of finding a better one).
- *
- * We rely on the fact that MIN(width + extra_width, width) is
- * monotonically increasing.
- */
-
- if (MIN (width + extra_width, width) > state->remaining_width + safe_distance &&
- break_num_chars < item->num_chars)
- {
- DEBUG1 ("at %d, MIN(%d, %d + %d) > %d + MARGIN, breaking at %d",
- num_chars, width, extra_width, width, state->remaining_width, break_num_chars);
- break;
- }
-
- /* If there are no previous runs we have to take care to grab at least one char. */
- if (can_break_at (layout, state->start_offset + num_chars, wrap) &&
- (num_chars > 0 || line->runs))
- {
- DEBUG1 ("possible breakpoint: %d, extra_width %d", num_chars, extra_width);
- if (num_chars == 0 ||
- width + extra_width < state->remaining_width - safe_distance)
- {
- DEBUG1 ("trivial accept");
- break_num_chars = num_chars;
- break_width = width;
- break_extra_width = extra_width;
- }
- else
- {
- int length;
- int new_break_width;
- PangoItem *new_item;
- PangoGlyphString *glyphs;
-
- length = g_utf8_offset_to_pointer (layout->text + item->offset, num_chars) - (layout->text +
item->offset);
-
- if (num_chars < item->num_chars)
- {
- new_item = pango_item_split (item, length, num_chars);
-
- if (break_needs_hyphen (layout, state, num_chars))
- new_item->analysis.flags |= PANGO_ANALYSIS_FLAG_NEED_HYPHEN;
- else
- new_item->analysis.flags &= ~PANGO_ANALYSIS_FLAG_NEED_HYPHEN;
- }
- else
- new_item = item;
-
- glyphs = shape_run (line, state, new_item);
-
- new_break_width = pango_glyph_string_get_width (glyphs) + tab_width_change (state);
-
- if (num_chars > 0 &&
- (item != new_item || !is_last_item) && /* We don't collapse space at the very end */
- layout->log_attrs[state->start_offset + num_chars - 1].is_white)
- extra_width = - state->log_widths[state->log_widths_offset + num_chars - 1];
- else if (item == new_item && !is_last_item &&
- break_needs_hyphen (layout, state, num_chars))
- extra_width = state->hyphen_width;
- else
- extra_width = 0;
-
- DEBUG1 ("measured breakpoint %d: %d, extra %d", num_chars, new_break_width, extra_width);
-
- if (new_item != item)
- {
- pango_item_free (new_item);
- pango_item_unsplit (item, length, num_chars);
- }
-
- if (break_num_chars == item->num_chars ||
- new_break_width + extra_width <= state->remaining_width ||
- new_break_width + extra_width < break_width + break_extra_width)
- {
- DEBUG1 ("accept breakpoint %d: %d + %d <= %d + %d",
- num_chars, new_break_width, extra_width, break_width, break_extra_width);
- DEBUG1 ("replace bp %d by %d", break_num_chars, num_chars);
- break_num_chars = num_chars;
- break_width = new_break_width;
- break_extra_width = extra_width;
-
- if (break_glyphs)
- pango_glyph_string_free (break_glyphs);
- break_glyphs = glyphs;
- }
- else
- {
- DEBUG1 ("ignore breakpoint %d", num_chars);
- pango_glyph_string_free (glyphs);
- }
- }
- }
-
- DEBUG1 ("bp now %d", break_num_chars);
- if (num_chars < item->num_chars)
- width += state->log_widths[state->log_widths_offset + num_chars];
- }
-
- if (wrap == PANGO_WRAP_WORD_CHAR && force_fit && break_width + break_extra_width > state->remaining_width)
- {
- /* Try again, with looser conditions */
- DEBUG1 ("does not fit, try again with wrap-char");
- wrap = PANGO_WRAP_CHAR;
- break_num_chars = item->num_chars;
- break_width = orig_width;
- break_extra_width = orig_extra_width;
- if (break_glyphs)
- pango_glyph_string_free (break_glyphs);
- break_glyphs = NULL;
- goto retry_break;
- }
-
- if (force_fit || break_width + break_extra_width <= state->remaining_width) /* Successfully broke
the item */
- {
- if (state->remaining_width >= 0)
- {
- state->remaining_width -= break_width + break_extra_width;
- state->remaining_width = MAX (state->remaining_width, 0);
- }
-
- if (break_num_chars == item->num_chars)
- {
- if (can_break_at (layout, state->start_offset + break_num_chars, wrap) &&
- break_needs_hyphen (layout, state, break_num_chars))
- item->analysis.flags |= PANGO_ANALYSIS_FLAG_NEED_HYPHEN;
-
- insert_run (line, state, item, NULL, TRUE);
-
- if (break_glyphs)
- pango_glyph_string_free (break_glyphs);
-
- DEBUG1 ("all-fit '%.*s', remaining %d",
- item->length, layout->text + item->offset,
- state->remaining_width);
- return BREAK_ALL_FIT;
- }
- else if (break_num_chars == 0)
- {
- if (break_glyphs)
- pango_glyph_string_free (break_glyphs);
-
- DEBUG1 ("empty-fit, remaining %d", state->remaining_width);
- return BREAK_EMPTY_FIT;
- }
- else
- {
- PangoItem *new_item;
-
- length = g_utf8_offset_to_pointer (layout->text + item->offset, break_num_chars) - (layout->text +
item->offset);
-
- new_item = pango_item_split (item, length, break_num_chars);
-
- insert_run (line, state, new_item, break_glyphs, FALSE);
-
- state->log_widths_offset += break_num_chars;
-
- /* Shaped items should never be broken */
- g_assert (!shape_set);
-
- DEBUG1 ("some-fit '%.*s', remaining %d",
- new_item->length, layout->text + new_item->offset,
- state->remaining_width);
- return BREAK_SOME_FIT;
- }
- }
- else
- {
- pango_glyph_string_free (state->glyphs);
- state->glyphs = NULL;
-
- if (break_glyphs)
- pango_glyph_string_free (break_glyphs);
-
- DEBUG1 ("none-fit, remaining %d", state->remaining_width);
- return BREAK_NONE_FIT;
- }
-}
-
-/* The resolved direction for the line is always one
- * of LTR/RTL; not a week or neutral directions
- */
-static void
-line_set_resolved_dir (PangoLayoutLine *line,
- PangoDirection direction)
-{
- switch (direction)
- {
- default:
- case PANGO_DIRECTION_LTR:
- case PANGO_DIRECTION_TTB_RTL:
- case PANGO_DIRECTION_WEAK_LTR:
- case PANGO_DIRECTION_NEUTRAL:
- line->resolved_dir = PANGO_DIRECTION_LTR;
- break;
- case PANGO_DIRECTION_RTL:
- case PANGO_DIRECTION_WEAK_RTL:
- case PANGO_DIRECTION_TTB_LTR:
- line->resolved_dir = PANGO_DIRECTION_RTL;
- break;
- }
-
- /* The direction vs. gravity dance:
- * - If gravity is SOUTH, leave direction untouched.
- * - If gravity is NORTH, switch direction.
- * - If gravity is EAST, set to LTR, as
- * it's a clockwise-rotated layout, so the rotated
- * top is unrotated left.
- * - If gravity is WEST, set to RTL, as
- * it's a counter-clockwise-rotated layout, so the rotated
- * top is unrotated right.
- *
- * A similar dance is performed in pango-context.c:
- * itemize_state_add_character(). Keep in synch.
- */
- switch (pango_context_get_gravity (line->layout->context))
- {
- default:
- case PANGO_GRAVITY_AUTO:
- case PANGO_GRAVITY_SOUTH:
- break;
- case PANGO_GRAVITY_NORTH:
- line->resolved_dir = PANGO_DIRECTION_LTR
- + PANGO_DIRECTION_RTL
- - line->resolved_dir;
- break;
- case PANGO_GRAVITY_EAST:
- /* This is in fact why deprecated TTB_RTL is LTR */
- line->resolved_dir = PANGO_DIRECTION_LTR;
- break;
- case PANGO_GRAVITY_WEST:
- /* This is in fact why deprecated TTB_LTR is RTL */
- line->resolved_dir = PANGO_DIRECTION_RTL;
- break;
- }
-}
-
-static gboolean
-should_ellipsize_current_line (PangoLayout *layout,
- ParaBreakState *state)
-{
- if (G_LIKELY (layout->ellipsize == PANGO_ELLIPSIZE_NONE || layout->width < 0))
- return FALSE;
-
- if (layout->height >= 0)
- {
- /* state->remaining_height is height of layout left */
-
- /* if we can't stuff two more lines at the current guess of line height,
- * the line we are going to produce is going to be the last line
- */
- return state->line_height * 2 > state->remaining_height;
- }
- else
- {
- /* -layout->height is number of lines per paragraph to show */
- return state->line_of_par == - layout->height;
- }
-}
-
-static void
-add_line (PangoLayoutLine *line,
- ParaBreakState *state)
-{
- PangoLayout *layout = line->layout;
-
- /* we prepend, then reverse the list later */
- layout->lines = g_slist_prepend (layout->lines, line);
- layout->line_count++;
-
- if (layout->height >= 0)
- {
- PangoRectangle logical_rect;
- pango_layout_line_get_extents (line, NULL, &logical_rect);
- state->remaining_height -= logical_rect.height;
- state->remaining_height -= layout->spacing;
- state->line_height = logical_rect.height;
- }
-}
-
-static void
-process_line (PangoLayout *layout,
- ParaBreakState *state)
-{
- PangoLayoutLine *line;
-
- gboolean have_break = FALSE; /* If we've seen a possible break yet */
- int break_remaining_width = 0; /* Remaining width before adding run with break */
- int break_start_offset = 0; /* Start offset before adding run with break */
- GSList *break_link = NULL; /* Link holding run before break */
- gboolean wrapped = FALSE; /* If we had to wrap the line */
-
- line = pango_layout_line_new (layout);
- line->start_index = state->line_start_index;
- line->is_paragraph_start = state->line_of_par == 1;
- line_set_resolved_dir (line, state->base_dir);
-
- state->line_width = layout->width;
- if (state->line_width >= 0 && layout->alignment != PANGO_ALIGN_CENTER)
- {
- if (line->is_paragraph_start && layout->indent >= 0)
- state->line_width -= layout->indent;
- else if (!line->is_paragraph_start && layout->indent < 0)
- state->line_width += layout->indent;
-
- if (state->line_width < 0)
- state->line_width = 0;
- }
-
- if (G_UNLIKELY (should_ellipsize_current_line (layout, state)))
- state->remaining_width = -1;
- else
- state->remaining_width = state->line_width;
-
- state->last_tab.glyphs = NULL;
- state->last_tab.index = 0;
- state->last_tab.align = PANGO_TAB_LEFT;
-
- DEBUG ("starting to fill line", line, state);
-
- while (state->items)
- {
- PangoItem *item = state->items->data;
- BreakResult result;
- int old_num_chars;
- int old_remaining_width;
- gboolean first_item_in_line;
- gboolean last_item_in_line;
-
- old_num_chars = item->num_chars;
- old_remaining_width = state->remaining_width;
- first_item_in_line = line->runs == NULL;
- last_item_in_line = state->items->next == NULL;
-
- result = process_item (layout, line, state, !have_break, FALSE, last_item_in_line);
-
- switch (result)
- {
- case BREAK_ALL_FIT:
- if (layout->text[item->offset] != '\t' &&
- can_break_in (layout, state->start_offset, old_num_chars, !first_item_in_line))
- {
- have_break = TRUE;
- break_remaining_width = old_remaining_width;
- break_start_offset = state->start_offset;
- break_link = line->runs->next;
- DEBUG1 ("all-fit, have break");
- }
-
- state->items = g_list_delete_link (state->items, state->items);
- state->start_offset += old_num_chars;
-
- break;
-
- case BREAK_EMPTY_FIT:
- wrapped = TRUE;
- goto done;
-
- case BREAK_SOME_FIT:
- state->start_offset += old_num_chars - item->num_chars;
- wrapped = TRUE;
- goto done;
-
- case BREAK_NONE_FIT:
- /* Back up over unused runs to run where there is a break */
- while (line->runs && line->runs != break_link)
- {
- PangoLayoutRun *run = line->runs->data;
-
- /* If we uninsert the current tab run,
- * we need to reset the tab state
- */
- if (run->glyphs == state->last_tab.glyphs)
- {
- state->last_tab.glyphs = NULL;
- state->last_tab.index = 0;
- state->last_tab.align = PANGO_TAB_LEFT;
- }
-
- state->items = g_list_prepend (state->items, uninsert_run (line));
- }
-
- state->start_offset = break_start_offset;
- state->remaining_width = break_remaining_width;
- last_item_in_line = state->items->next == NULL;
-
- /* Reshape run to break */
- item = state->items->data;
-
- old_num_chars = item->num_chars;
- result = process_item (layout, line, state, TRUE, TRUE, last_item_in_line);
- g_assert (result == BREAK_SOME_FIT || result == BREAK_EMPTY_FIT);
-
- state->start_offset += old_num_chars - item->num_chars;
-
- wrapped = TRUE;
- goto done;
-
- case BREAK_LINE_SEPARATOR:
- state->items = g_list_delete_link (state->items, state->items);
- state->start_offset += old_num_chars;
- /* A line-separate is just a forced break. Set wrapped, so we do justification */
- wrapped = TRUE;
- goto done;
-
- default:
- break;
- }
- }
-
- done:
- pango_layout_line_postprocess (line, state, wrapped);
- DEBUG1 ("line %d done. remaining %d", state->line_of_par, state->remaining_width);
- add_line (line, state);
- state->line_of_par++;
- state->line_start_index += line->length;
- state->line_start_offset = state->start_offset;
-}
-
-static void
-get_items_log_attrs (const char *text,
- int start,
- int length,
- GList *items,
- PangoAttrList *attrs,
- PangoLogAttr *log_attrs,
- int log_attrs_len)
-{
- int offset = 0;
- GList *l;
-
- pango_default_break (text + start, length, log_attrs, log_attrs_len);
-
- for (l = items; l; l = l->next)
- {
- PangoItem *item = l->data;
- g_assert (item->offset <= start + length);
- g_assert (item->length <= (start + length) - item->offset);
-
- pango_tailor_break (text + item->offset,
- item->length,
- &item->analysis,
- -1,
- log_attrs + offset,
- item->num_chars + 1);
-
- offset += item->num_chars;
- }
-
- if (attrs && items)
- {
- PangoItem *item = items->data;
- pango_attr_break (text + start, length, attrs, item->offset, log_attrs, log_attrs_len);
- }
-}
-
-static PangoAttrList *
-pango_layout_get_effective_attributes (PangoLayout *layout)
-{
- PangoAttrList *attrs;
-
- if (layout->attrs)
- attrs = pango_attr_list_copy (layout->attrs);
- else
- attrs = NULL;
-
- if (layout->font_desc)
- {
- PangoAttribute *attr = pango_attr_font_desc_new (layout->font_desc);
-
- if (!attrs)
- attrs = pango_attr_list_new ();
-
- pango_attr_list_insert_before (attrs, attr);
- }
-
- if (layout->single_paragraph)
- {
- PangoAttribute *attr = pango_attr_show_new (PANGO_SHOW_LINE_BREAKS);
-
- if (!attrs)
- attrs = pango_attr_list_new ();
-
- pango_attr_list_insert_before (attrs, attr);
- }
-
- return attrs;
-}
-
-static gboolean
-affects_itemization (PangoAttribute *attr,
- gpointer data)
-{
- switch ((int)attr->klass->type)
- {
- /* These affect font selection */
- case PANGO_ATTR_LANGUAGE:
- case PANGO_ATTR_FAMILY:
- case PANGO_ATTR_STYLE:
- case PANGO_ATTR_WEIGHT:
- case PANGO_ATTR_VARIANT:
- case PANGO_ATTR_STRETCH:
- case PANGO_ATTR_SIZE:
- case PANGO_ATTR_FONT_DESC:
- case PANGO_ATTR_SCALE:
- case PANGO_ATTR_FALLBACK:
- case PANGO_ATTR_ABSOLUTE_SIZE:
- case PANGO_ATTR_GRAVITY:
- case PANGO_ATTR_GRAVITY_HINT:
- case PANGO_ATTR_FONT_SCALE:
- /* These need to be constant across runs */
- case PANGO_ATTR_LETTER_SPACING:
- case PANGO_ATTR_SHAPE:
- case PANGO_ATTR_RISE:
- case PANGO_ATTR_BASELINE_SHIFT:
- case PANGO_ATTR_LINE_HEIGHT:
- case PANGO_ATTR_ABSOLUTE_LINE_HEIGHT:
- case PANGO_ATTR_TEXT_TRANSFORM:
- return TRUE;
- default:
- return FALSE;
- }
-}
-
-static gboolean
-affects_break_or_shape (PangoAttribute *attr,
- gpointer data)
-{
- switch ((int)attr->klass->type)
- {
- /* Affects breaks */
- case PANGO_ATTR_ALLOW_BREAKS:
- case PANGO_ATTR_WORD:
- case PANGO_ATTR_SENTENCE:
- /* Affects shaping */
- case PANGO_ATTR_INSERT_HYPHENS:
- case PANGO_ATTR_FONT_FEATURES:
- case PANGO_ATTR_SHOW:
- return TRUE;
- default:
- return FALSE;
- }
-}
-
-static void
-apply_attributes_to_items (GList *items,
- PangoAttrList *attrs)
-{
- GList *l;
- PangoAttrIterator iter;
-
- if (!attrs)
- return;
-
- _pango_attr_list_get_iterator (attrs, &iter);
-
- for (l = items; l; l = l->next)
- {
- PangoItem *item = l->data;
- pango_item_apply_attrs (item, &iter);
- }
-
- _pango_attr_iterator_destroy (&iter);
-}
-
-static void
-apply_attributes_to_runs (PangoLayout *layout,
- PangoAttrList *attrs)
-{
- GSList *ll;
-
- if (!attrs)
- return;
-
- for (ll = layout->lines; ll; ll = ll->next)
- {
- PangoLayoutLine *line = ll->data;
- GSList *old_runs = g_slist_reverse (line->runs);
- GSList *rl;
-
- line->runs = NULL;
- for (rl = old_runs; rl; rl = rl->next)
- {
- PangoGlyphItem *glyph_item = rl->data;
- GSList *new_runs;
-
- new_runs = pango_glyph_item_apply_attrs (glyph_item,
- layout->text,
- attrs);
-
- line->runs = g_slist_concat (new_runs, line->runs);
- }
-
- g_slist_free (old_runs);
- }
-}
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
-
-static void
-pango_layout_check_lines (PangoLayout *layout)
-{
- const char *start;
- gboolean done = FALSE;
- int start_offset;
- PangoAttrList *attrs;
- PangoAttrList *itemize_attrs;
- PangoAttrList *shape_attrs;
- PangoAttrIterator iter;
- PangoDirection prev_base_dir = PANGO_DIRECTION_NEUTRAL;
- PangoDirection base_dir = PANGO_DIRECTION_NEUTRAL;
- ParaBreakState state;
- gboolean need_log_attrs;
-
- check_context_changed (layout);
-
- if (G_LIKELY (layout->lines))
- return;
-
- /* For simplicity, we make sure at this point that layout->text
- * is non-NULL even if it is zero length
- */
- if (G_UNLIKELY (!layout->text))
- pango_layout_set_text (layout, NULL, 0);
-
- attrs = pango_layout_get_effective_attributes (layout);
- if (attrs)
- {
- shape_attrs = pango_attr_list_filter (attrs, affects_break_or_shape, NULL);
- itemize_attrs = pango_attr_list_filter (attrs, affects_itemization, NULL);
-
- if (itemize_attrs)
- _pango_attr_list_get_iterator (itemize_attrs, &iter);
- }
- else
- {
- shape_attrs = NULL;
- itemize_attrs = NULL;
- }
-
- if (!layout->log_attrs)
- {
- layout->log_attrs = g_new0 (PangoLogAttr, layout->n_chars + 1);
- need_log_attrs = TRUE;
- }
- else
- {
- need_log_attrs = FALSE;
- }
-
- start_offset = 0;
- start = layout->text;
-
- /* Find the first strong direction of the text */
- if (layout->auto_dir)
- {
- prev_base_dir = pango_find_base_dir (layout->text, layout->length);
- if (prev_base_dir == PANGO_DIRECTION_NEUTRAL)
- prev_base_dir = pango_context_get_base_dir (layout->context);
- }
- else
- base_dir = pango_context_get_base_dir (layout->context);
-
- /* these are only used if layout->height >= 0 */
- state.remaining_height = layout->height;
- state.line_height = -1;
- if (layout->height >= 0)
- {
- PangoRectangle logical = { 0, };
- int height = 0;
- pango_layout_get_empty_extents_and_height_at_index (layout, 0, &logical, TRUE, &height);
- state.line_height = layout->line_spacing == 0.0 ? logical.height : layout->line_spacing * height;
- }
-
- state.log_widths = NULL;
- state.num_log_widths = 0;
- state.baseline_shifts = NULL;
-
- DEBUG1 ("START layout");
- do
- {
- int delim_len;
- const char *end;
- int delimiter_index, next_para_index;
-
- if (layout->single_paragraph)
- {
- delimiter_index = layout->length;
- next_para_index = layout->length;
- }
- else
- {
- pango_find_paragraph_boundary (start,
- (layout->text + layout->length) - start,
- &delimiter_index,
- &next_para_index);
- }
-
- g_assert (next_para_index >= delimiter_index);
-
- if (layout->auto_dir)
- {
- base_dir = pango_find_base_dir (start, delimiter_index);
-
- /* Propagate the base direction for neutral paragraphs */
- if (base_dir == PANGO_DIRECTION_NEUTRAL)
- base_dir = prev_base_dir;
- else
- prev_base_dir = base_dir;
- }
-
- end = start + delimiter_index;
-
- delim_len = next_para_index - delimiter_index;
-
- if (end == (layout->text + layout->length))
- done = TRUE;
-
- g_assert (end <= (layout->text + layout->length));
- g_assert (start <= (layout->text + layout->length));
- g_assert (delim_len < 4); /* PS is 3 bytes */
- g_assert (delim_len >= 0);
-
- state.attrs = itemize_attrs;
- state.items = pango_itemize_with_font (layout->context,
- base_dir,
- layout->text,
- start - layout->text,
- end - start,
- itemize_attrs,
- itemize_attrs ? &iter : NULL,
- NULL);
-
- apply_attributes_to_items (state.items, shape_attrs);
-
- if (need_log_attrs)
- get_items_log_attrs (layout->text,
- start - layout->text,
- delimiter_index + delim_len,
- state.items,
- shape_attrs,
- layout->log_attrs + start_offset,
- layout->n_chars + 1 - start_offset);
-
- state.items = pango_itemize_post_process_items (layout->context,
- layout->text,
- layout->log_attrs + start_offset,
- state.items);
-
- state.base_dir = base_dir;
- state.line_of_par = 1;
- state.start_offset = start_offset;
- state.line_start_offset = start_offset;
- state.line_start_index = start - layout->text;
-
- state.glyphs = NULL;
-
- /* for deterministic bug hunting's sake set everything! */
- state.line_width = -1;
- state.remaining_width = -1;
- state.log_widths_offset = 0;
-
- state.hyphen_width = -1;
-
- if (state.items)
- {
- while (state.items)
- process_line (layout, &state);
- }
- else
- {
- PangoLayoutLine *empty_line;
-
- empty_line = pango_layout_line_new (layout);
- empty_line->start_index = state.line_start_index;
- empty_line->is_paragraph_start = TRUE;
- line_set_resolved_dir (empty_line, base_dir);
-
- add_line (empty_line, &state);
- }
-
- if (layout->height >= 0 && state.remaining_height < state.line_height)
- done = TRUE;
-
- if (!done)
- start_offset += pango_utf8_strlen (start, (end - start) + delim_len);
-
- start = end + delim_len;
- }
- while (!done);
-
- g_free (state.log_widths);
- g_list_free_full (state.baseline_shifts, g_free);
-
- apply_attributes_to_runs (layout, attrs);
- layout->lines = g_slist_reverse (layout->lines);
-
- if (itemize_attrs)
- {
- pango_attr_list_unref (itemize_attrs);
- _pango_attr_iterator_destroy (&iter);
- }
-
- pango_attr_list_unref (shape_attrs);
- pango_attr_list_unref (attrs);
-
- int w, h;
- pango_layout_get_size (layout, &w, &h);
- DEBUG1 ("DONE %d %d", w, h);
-}
-
-#pragma GCC diagnostic pop
-
-/**
- * pango_layout_line_ref:
- * @line: (nullable): a `PangoLayoutLine`
- *
- * Increase the reference count of a `PangoLayoutLine` by one.
- *
- * Return value: the line passed in.
- *
- * Since: 1.10
- */
-PangoLayoutLine *
-pango_layout_line_ref (PangoLayoutLine *line)
-{
- PangoLayoutLinePrivate *private = (PangoLayoutLinePrivate *)line;
-
- if (line == NULL)
- return NULL;
-
- g_atomic_int_inc ((int *) &private->ref_count);
-
- return line;
-}
-
-/**
- * pango_layout_line_unref:
- * @line: a `PangoLayoutLine`
- *
- * Decrease the reference count of a `PangoLayoutLine` by one.
- *
- * If the result is zero, the line and all associated memory
- * will be freed.
- */
-void
-pango_layout_line_unref (PangoLayoutLine *line)
-{
- PangoLayoutLinePrivate *private = (PangoLayoutLinePrivate *)line;
-
- if (line == NULL)
- return;
-
- g_return_if_fail (private->ref_count > 0);
-
- if (g_atomic_int_dec_and_test ((int *) &private->ref_count))
- {
- g_slist_foreach (line->runs, (GFunc)free_run, GINT_TO_POINTER (1));
- g_slist_free (line->runs);
- g_slice_free (PangoLayoutLinePrivate, private);
- }
-}
-
-G_DEFINE_BOXED_TYPE (PangoLayoutLine, pango_layout_line,
- pango_layout_line_ref,
- pango_layout_line_unref);
-
-/**
- * pango_layout_line_get_start_index:
- * @line: a `PangoLayoutLine`
- *
- * Returns the start index of the line, as byte index
- * into the text of the layout.
- *
- * Returns: the start index of the line
- *
- * Since: 1.50
- */
-int
-pango_layout_line_get_start_index (PangoLayoutLine *line)
-{
- return line->start_index;
-}
-
-/**
- * pango_layout_line_get_length:
- * @line: a `PangoLayoutLine`
- *
- * Returns the length of the line, in bytes.
- *
- * Returns: the length of the line
- *
- * Since: 1.50
- */
-int
-pango_layout_line_get_length (PangoLayoutLine *line)
-{
- return line->length;
-}
-
-/**
- * pango_layout_line_is_paragraph_start:
- * @line: a `PangoLayoutLine`
- *
- * Returns whether this is the first line of the paragraph.
- *
- * Returns: %TRUE if this is the first line
- *
- * Since: 1.50
- */
-gboolean
-pango_layout_line_is_paragraph_start (PangoLayoutLine *line)
-{
- return line->is_paragraph_start;
-}
-
-/**
- * pango_layout_line_get_resolved_direction:
- * @line: a `PangoLayoutLine`
- *
- * Returns the resolved direction of the line.
- *
- * Returns: the resolved direction of the line
- *
- * Since: 1.50
- */
-PangoDirection
-pango_layout_line_get_resolved_direction (PangoLayoutLine *line)
-{
- return (PangoDirection) line->resolved_dir;
-}
-
-/**
- * pango_layout_line_x_to_index:
- * @line: a `PangoLayoutLine`
- * @x_pos: the X offset (in Pango units) from the left edge of the line.
- * @index_: (out): location to store calculated byte index for the grapheme
- * in which the user clicked
- * @trailing: (out): location to store an integer indicating where in the
- * grapheme the user clicked. It will either be zero, or the number of
- * characters in the grapheme. 0 represents the leading edge of the grapheme.
- *
- * Converts from x offset to the byte index of the corresponding character
- * within the text of the layout.
- *
- * If @x_pos is outside the line, @index_ and @trailing will point to the very
- * first or very last position in the line. This determination is based on the
- * resolved direction of the paragraph; for example, if the resolved direction
- * is right-to-left, then an X position to the right of the line (after it)
- * results in 0 being stored in @index_ and @trailing. An X position to the
- * left of the line results in @index_ pointing to the (logical) last grapheme
- * in the line and @trailing being set to the number of characters in that
- * grapheme. The reverse is true for a left-to-right line.
- *
- * Return value: %FALSE if @x_pos was outside the line, %TRUE if inside
- */
-gboolean
-pango_layout_line_x_to_index (PangoLayoutLine *line,
- int x_pos,
- int *index,
- int *trailing)
-{
- GSList *tmp_list;
- gint start_pos = 0;
- gint first_index = 0; /* line->start_index */
- gint first_offset;
- gint last_index; /* start of last grapheme in line */
- gint last_offset;
- gint end_index; /* end iterator for line */
- gint end_offset; /* end iterator for line */
- PangoLayout *layout;
- gint last_trailing;
- gboolean suppress_last_trailing;
-
- g_return_val_if_fail (LINE_IS_VALID (line), FALSE);
-
- layout = line->layout;
-
- /* Find the last index in the line
- */
- first_index = line->start_index;
-
- if (line->length == 0)
- {
- if (index)
- *index = first_index;
- if (trailing)
- *trailing = 0;
-
- return FALSE;
- }
-
- g_assert (line->length > 0);
-
- first_offset = g_utf8_pointer_to_offset (layout->text, layout->text + line->start_index);
-
- end_index = first_index + line->length;
- end_offset = first_offset + g_utf8_pointer_to_offset (layout->text + first_index, layout->text +
end_index);
-
- last_index = end_index;
- last_offset = end_offset;
- last_trailing = 0;
- do
- {
- last_index = g_utf8_prev_char (layout->text + last_index) - layout->text;
- last_offset--;
- last_trailing++;
- }
- while (last_offset > first_offset && !layout->log_attrs[last_offset].is_cursor_position);
-
- /* This is a HACK. If a program only keeps track of cursor (etc)
- * indices and not the trailing flag, then the trailing index of the
- * last character on a wrapped line is identical to the leading
- * index of the next line. So, we fake it and set the trailing flag
- * to zero.
- *
- * That is, if the text is "now is the time", and is broken between
- * 'now' and 'is'
- *
- * Then when the cursor is actually at:
- *
- * n|o|w| |i|s|
- * ^
- * we lie and say it is at:
- *
- * n|o|w| |i|s|
- * ^
- *
- * So the cursor won't appear on the next line before 'the'.
- *
- * Actually, any program keeping cursor
- * positions with wrapped lines should distinguish leading and
- * trailing cursors.
- */
- tmp_list = layout->lines;
- while (tmp_list->data != line)
- tmp_list = tmp_list->next;
-
- if (tmp_list->next &&
- line->start_index + line->length == ((PangoLayoutLine *)tmp_list->next->data)->start_index)
- suppress_last_trailing = TRUE;
- else
- suppress_last_trailing = FALSE;
-
- if (x_pos < 0)
- {
- /* pick the leftmost char */
- if (index)
- *index = (line->resolved_dir == PANGO_DIRECTION_LTR) ? first_index : last_index;
- /* and its leftmost edge */
- if (trailing)
- *trailing = (line->resolved_dir == PANGO_DIRECTION_LTR || suppress_last_trailing) ? 0 :
last_trailing;
-
- return FALSE;
- }
-
- tmp_list = line->runs;
- while (tmp_list)
- {
- PangoLayoutRun *run = tmp_list->data;
- int logical_width;
-
- logical_width = pango_glyph_string_get_width (run->glyphs);
-
- if (x_pos >= start_pos && x_pos < start_pos + logical_width)
- {
- int offset;
- gboolean char_trailing;
- int grapheme_start_index;
- int grapheme_start_offset;
- int grapheme_end_offset;
- int pos;
- int char_index;
-
- pango_glyph_string_x_to_index (run->glyphs,
- layout->text + run->item->offset, run->item->length,
- &run->item->analysis,
- x_pos - start_pos,
- &pos, &char_trailing);
-
- char_index = run->item->offset + pos;
-
- /* Convert from characters to graphemes */
-
- offset = g_utf8_pointer_to_offset (layout->text, layout->text + char_index);
-
- grapheme_start_offset = offset;
- grapheme_start_index = char_index;
- while (grapheme_start_offset > first_offset &&
- !layout->log_attrs[grapheme_start_offset].is_cursor_position)
- {
- grapheme_start_index = g_utf8_prev_char (layout->text + grapheme_start_index) - layout->text;
- grapheme_start_offset--;
- }
-
- grapheme_end_offset = offset;
- do
- {
- grapheme_end_offset++;
- }
- while (grapheme_end_offset < end_offset &&
- !layout->log_attrs[grapheme_end_offset].is_cursor_position);
-
- if (index)
- *index = grapheme_start_index;
-
- if (trailing)
- {
- if ((grapheme_end_offset == end_offset && suppress_last_trailing) ||
- offset + char_trailing <= (grapheme_start_offset + grapheme_end_offset) / 2)
- *trailing = 0;
- else
- *trailing = grapheme_end_offset - grapheme_start_offset;
- }
-
- return TRUE;
- }
-
- start_pos += logical_width;
- tmp_list = tmp_list->next;
- }
-
- /* pick the rightmost char */
- if (index)
- *index = (line->resolved_dir == PANGO_DIRECTION_LTR) ? last_index : first_index;
-
- /* and its rightmost edge */
- if (trailing)
- *trailing = (line->resolved_dir == PANGO_DIRECTION_LTR && !suppress_last_trailing) ? last_trailing : 0;
-
- return FALSE;
-}
-
-static int
-pango_layout_line_get_width (PangoLayoutLine *line)
-{
- int width = 0;
- GSList *tmp_list = line->runs;
-
- while (tmp_list)
- {
- PangoLayoutRun *run = tmp_list->data;
-
- width += pango_glyph_string_get_width (run->glyphs);
-
- tmp_list = tmp_list->next;
- }
-
- return width;
-}
-
-/**
- * pango_layout_line_get_x_ranges:
- * @line: a `PangoLayoutLine`
- * @start_index: Start byte index of the logical range. If this value
- * is less than the start index for the line, then the first range
- * will extend all the way to the leading edge of the layout. Otherwise,
- * it will start at the leading edge of the first character.
- * @end_index: Ending byte index of the logical range. If this value is
- * greater than the end index for the line, then the last range will
- * extend all the way to the trailing edge of the layout. Otherwise,
- * it will end at the trailing edge of the last character.
- * @ranges: (out) (array length=n_ranges) (transfer full): location to
- * store a pointer to an array of ranges. The array will be of length
- * `2*n_ranges`, with each range starting at `(*ranges)[2*n]` and of
- * width `(*ranges)[2*n + 1] - (*ranges)[2*n]`. This array must be freed
- * with g_free(). The coordinates are relative to the layout and are in
- * Pango units.
- * @n_ranges: The number of ranges stored in @ranges
- *
- * Gets a list of visual ranges corresponding to a given logical range.
- *
- * This list is not necessarily minimal - there may be consecutive
- * ranges which are adjacent. The ranges will be sorted from left to
- * right. The ranges are with respect to the left edge of the entire
- * layout, not with respect to the line.
- */
-void
-pango_layout_line_get_x_ranges (PangoLayoutLine *line,
- int start_index,
- int end_index,
- int **ranges,
- int *n_ranges)
-{
- gint line_start_index = 0;
- GSList *tmp_list;
- int range_count = 0;
- int accumulated_width = 0;
- int x_offset;
- int width, line_width;
- PangoAlignment alignment;
-
- g_return_if_fail (line != NULL);
- g_return_if_fail (line->layout != NULL);
- g_return_if_fail (start_index <= end_index);
-
- alignment = get_alignment (line->layout, line);
-
- width = line->layout->width;
- if (width == -1 && alignment != PANGO_ALIGN_LEFT)
- {
- PangoRectangle logical_rect;
- pango_layout_get_extents (line->layout, NULL, &logical_rect);
- width = logical_rect.width;
- }
-
- /* FIXME: The computations here could be optimized, by moving the
- * computations of the x_offset after we go through and figure
- * out where each range is.
- */
-
- {
- PangoRectangle logical_rect;
- pango_layout_line_get_extents (line, NULL, &logical_rect);
- line_width = logical_rect.width;
- }
-
- get_x_offset (line->layout, line, width, line_width, &x_offset);
-
- line_start_index = line->start_index;
-
- /* Allocate the maximum possible size */
- if (ranges)
- *ranges = g_new (int, 2 * (2 + g_slist_length (line->runs)));
-
- if (x_offset > 0 &&
- ((line->resolved_dir == PANGO_DIRECTION_LTR && start_index < line_start_index) ||
- (line->resolved_dir == PANGO_DIRECTION_RTL && end_index > line_start_index + line->length)))
- {
- if (ranges)
- {
- (*ranges)[2*range_count] = 0;
- (*ranges)[2*range_count + 1] = x_offset;
- }
-
- range_count ++;
- }
-
- tmp_list = line->runs;
- while (tmp_list)
- {
- PangoLayoutRun *run = (PangoLayoutRun *)tmp_list->data;
-
- if ((start_index < run->item->offset + run->item->length &&
- end_index > run->item->offset))
- {
- if (ranges)
- {
- int run_start_index = MAX (start_index, run->item->offset);
- int run_end_index = MIN (end_index, run->item->offset + run->item->length);
- int run_start_x, run_end_x;
- int attr_offset;
-
- g_assert (run_end_index > 0);
-
- /* Back the end_index off one since we want to find the trailing edge of the preceding
character */
-
- run_end_index = g_utf8_prev_char (line->layout->text + run_end_index) - line->layout->text;
-
- attr_offset = run->item->char_offset;
-
- pango_glyph_string_index_to_x_full (run->glyphs,
- line->layout->text + run->item->offset,
- run->item->length,
- &run->item->analysis,
- line->layout->log_attrs + attr_offset,
- run_start_index - run->item->offset, FALSE,
- &run_start_x);
- pango_glyph_string_index_to_x_full (run->glyphs,
- line->layout->text + run->item->offset,
- run->item->length,
- &run->item->analysis,
- line->layout->log_attrs + attr_offset,
- run_end_index - run->item->offset, TRUE,
- &run_end_x);
-
- (*ranges)[2*range_count] = x_offset + accumulated_width + MIN (run_start_x, run_end_x);
- (*ranges)[2*range_count + 1] = x_offset + accumulated_width + MAX (run_start_x, run_end_x);
- }
-
- range_count++;
- }
-
- if (tmp_list->next)
- accumulated_width += pango_glyph_string_get_width (run->glyphs);
-
- tmp_list = tmp_list->next;
- }
-
- if (x_offset + line_width < line->layout->width &&
- ((line->resolved_dir == PANGO_DIRECTION_LTR && end_index > line_start_index + line->length) ||
- (line->resolved_dir == PANGO_DIRECTION_RTL && start_index < line_start_index)))
- {
- if (ranges)
- {
- (*ranges)[2*range_count] = x_offset + line_width;
- (*ranges)[2*range_count + 1] = line->layout->width;
- }
-
- range_count ++;
- }
-
- if (n_ranges)
- *n_ranges = range_count;
-}
-
-static void
-pango_layout_get_empty_extents_and_height_at_index (PangoLayout *layout,
- int index,
- PangoRectangle *logical_rect,
- gboolean apply_line_height,
- int *height)
-{
- if (logical_rect)
- {
- PangoFont *font;
- PangoFontDescription *font_desc = NULL;
- gboolean free_font_desc = FALSE;
- double line_height_factor = 0.0;
- int absolute_line_height = 0;
-
- font_desc = pango_context_get_font_description (layout->context);
-
- if (layout->font_desc)
- {
- font_desc = pango_font_description_copy_static (font_desc);
- pango_font_description_merge (font_desc, layout->font_desc, TRUE);
- free_font_desc = TRUE;
- }
-
- /* Find the font description for this line
- */
- if (layout->attrs)
- {
- PangoAttrIterator iter;
- int start, end;
-
- _pango_attr_list_get_iterator (layout->attrs, &iter);
-
- do
- {
- pango_attr_iterator_range (&iter, &start, &end);
-
- if (start <= index && index < end)
- {
- PangoAttribute *attr;
-
- if (!free_font_desc)
- {
- font_desc = pango_font_description_copy_static (font_desc);
- free_font_desc = TRUE;
- }
-
- pango_attr_iterator_get_font (&iter, font_desc, NULL, NULL);
-
- attr = pango_attr_iterator_get (&iter, PANGO_ATTR_LINE_HEIGHT);
- if (attr)
- line_height_factor = ((PangoAttrFloat *)attr)->value;
-
- attr = pango_attr_iterator_get (&iter, PANGO_ATTR_ABSOLUTE_LINE_HEIGHT);
- if (attr)
- absolute_line_height = ((PangoAttrInt *)attr)->value;
-
- break;
- }
-
- }
- while (pango_attr_iterator_next (&iter));
-
- _pango_attr_iterator_destroy (&iter);
- }
-
- font = pango_context_load_font (layout->context, font_desc);
- if (font)
- {
- PangoFontMetrics *metrics;
-
- metrics = pango_font_get_metrics (font,
- pango_context_get_language (layout->context));
-
- if (metrics)
- {
- logical_rect->y = - pango_font_metrics_get_ascent (metrics);
- logical_rect->height = - logical_rect->y + pango_font_metrics_get_descent (metrics);
- if (height)
- *height = pango_font_metrics_get_height (metrics);
-
- pango_font_metrics_unref (metrics);
-
- if (apply_line_height &&
- (absolute_line_height != 0 || line_height_factor != 0.0))
- {
- int line_height, leading;
-
- line_height = MAX (absolute_line_height, ceilf (line_height_factor *
logical_rect->height));
-
- leading = line_height - logical_rect->height;
- logical_rect->y -= leading / 2;
- logical_rect->height += leading;
- }
- }
- else
- {
- logical_rect->y = 0;
- logical_rect->height = 0;
- }
- g_object_unref (font);
- }
- else
- {
- logical_rect->y = 0;
- logical_rect->height = 0;
- }
-
- if (free_font_desc)
- pango_font_description_free (font_desc);
-
- logical_rect->x = 0;
- logical_rect->width = 0;
- }
-}
-
-void pango_layout_run_get_extents_and_height (PangoLayoutRun *run,
- PangoRectangle *run_ink,
- PangoRectangle *run_logical,
- PangoRectangle *line_logical,
- int *height);
-
-void
-pango_layout_run_get_extents_and_height (PangoLayoutRun *run,
- PangoRectangle *run_ink,
- PangoRectangle *run_logical,
- PangoRectangle *line_logical,
- int *height)
-{
- PangoRectangle logical;
- ItemProperties properties;
- PangoFontMetrics *metrics = NULL;
- gboolean has_underline;
- gboolean has_overline;
- int y_offset;
-
- if (G_UNLIKELY (!run_ink && !run_logical && !line_logical && !height))
- return;
-
- pango_item_get_properties (run->item, &properties);
-
- has_underline = properties.uline_single || properties.uline_double ||
- properties.uline_low || properties.uline_error;
- has_overline = properties.oline_single;
-
- if (!run_logical && (run->item->analysis.flags & PANGO_ANALYSIS_FLAG_CENTERED_BASELINE))
- run_logical = &logical;
-
- if (!run_logical && (has_underline || has_overline || properties.strikethrough))
- run_logical = &logical;
-
- if (!run_logical && line_logical)
- run_logical = &logical;
-
- if (properties.shape_set)
- _pango_shape_get_extents (run->item->num_chars,
- properties.shape_ink_rect,
- properties.shape_logical_rect,
- run_ink, run_logical);
- else
- pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
- run_ink, run_logical);
-
- if (run_ink && (has_underline || has_overline || properties.strikethrough))
- {
- int underline_thickness;
- int underline_position;
- int strikethrough_thickness;
- int strikethrough_position;
- int new_pos;
-
- if (!metrics)
- metrics = pango_font_get_metrics (run->item->analysis.font,
- run->item->analysis.language);
-
- underline_thickness = pango_font_metrics_get_underline_thickness (metrics);
- underline_position = pango_font_metrics_get_underline_position (metrics);
- strikethrough_thickness = pango_font_metrics_get_strikethrough_thickness (metrics);
- strikethrough_position = pango_font_metrics_get_strikethrough_position (metrics);
-
- /* the underline/strikethrough takes x,width of logical_rect. reflect
- * that into ink_rect.
- */
- new_pos = MIN (run_ink->x, run_logical->x);
- run_ink->width = MAX (run_ink->x + run_ink->width, run_logical->x + run_logical->width) - new_pos;
- run_ink->x = new_pos;
-
- /* We should better handle the case of height==0 in the following cases.
- * If run_ink->height == 0, we should adjust run_ink->y appropriately.
- */
-
- if (properties.strikethrough)
- {
- if (run_ink->height == 0)
- {
- run_ink->height = strikethrough_thickness;
- run_ink->y = -strikethrough_position;
- }
- }
-
- if (properties.oline_single)
- {
- run_ink->y -= underline_thickness;
- run_ink->height += underline_thickness;
- }
-
- if (properties.uline_low)
- run_ink->height += 2 * underline_thickness;
- if (properties.uline_single)
- run_ink->height = MAX (run_ink->height,
- underline_thickness - underline_position - run_ink->y);
- if (properties.uline_double)
- run_ink->height = MAX (run_ink->height,
- 3 * underline_thickness - underline_position - run_ink->y);
- if (properties.uline_error)
- run_ink->height = MAX (run_ink->height,
- 3 * underline_thickness - underline_position - run_ink->y);
- }
-
- if (height)
- {
- if (pango_analysis_get_size_font (&run->item->analysis))
- {
- PangoFontMetrics *height_metrics;
-
- height_metrics = pango_font_get_metrics (pango_analysis_get_size_font (&run->item->analysis),
- run->item->analysis.language);
-
- *height = pango_font_metrics_get_height (height_metrics);
-
- pango_font_metrics_unref (height_metrics);
- }
- else
- {
- if (!metrics)
- metrics = pango_font_get_metrics (run->item->analysis.font,
- run->item->analysis.language);
-
- *height = pango_font_metrics_get_height (metrics);
- }
- }
-
- y_offset = run->y_offset;
-
- if (run->item->analysis.flags & PANGO_ANALYSIS_FLAG_CENTERED_BASELINE)
- {
- gboolean is_hinted = (run_logical->y & run_logical->height & (PANGO_SCALE - 1)) == 0;
- int adjustment = run_logical->y + run_logical->height / 2;
-
- if (is_hinted)
- adjustment = PANGO_UNITS_ROUND (adjustment);
-
- y_offset += adjustment;
- }
-
- if (run_ink)
- run_ink->y -= y_offset;
-
- if (run_logical)
- run_logical->y -= y_offset;
-
- if (line_logical)
- {
- *line_logical = *run_logical;
-
- if (properties.absolute_line_height != 0 || properties.line_height != 0.0)
- {
- int line_height, leading;
-
- line_height = MAX (properties.absolute_line_height, ceilf (properties.line_height *
line_logical->height));
-
- leading = line_height - line_logical->height;
- line_logical->y -= leading / 2;
- line_logical->height += leading;
- }
- }
-
- if (metrics)
- pango_font_metrics_unref (metrics);
-}
-
-static void
-pango_layout_line_get_extents_and_height (PangoLayoutLine *line,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect,
- int *height)
-{
- PangoLayoutLinePrivate *private = (PangoLayoutLinePrivate *)line;
- GSList *tmp_list;
- int x_pos = 0;
- gboolean caching = FALSE;
-
- g_return_if_fail (LINE_IS_VALID (line));
-
- if (G_UNLIKELY (!ink_rect && !logical_rect && !height))
- return;
-
- switch (private->cache_status)
- {
- case CACHED:
- if (ink_rect)
- *ink_rect = private->ink_rect;
- if (logical_rect)
- *logical_rect = private->logical_rect;
- if (height)
- *height = private->height;
- return;
-
- case NOT_CACHED:
- caching = TRUE;
- if (!ink_rect)
- ink_rect = &private->ink_rect;
- if (!logical_rect)
- logical_rect = &private->logical_rect;
- if (!height)
- height = &private->height;
- break;
-
- case LEAKED:
- default:
- break;
- }
-
- if (ink_rect)
- {
- ink_rect->x = 0;
- ink_rect->y = 0;
- ink_rect->width = 0;
- ink_rect->height = 0;
- }
-
- if (logical_rect)
- {
- logical_rect->x = 0;
- logical_rect->y = 0;
- logical_rect->width = 0;
- logical_rect->height = 0;
- }
-
- if (height)
- *height = 0;
-
- tmp_list = line->runs;
- while (tmp_list)
- {
- PangoLayoutRun *run = tmp_list->data;
- int new_pos;
- PangoRectangle run_ink;
- PangoRectangle run_logical;
- int run_height;
-
- pango_layout_run_get_extents_and_height (run,
- ink_rect ? &run_ink : NULL,
- NULL,
- &run_logical,
- height ? &run_height : NULL);
-
- if (ink_rect)
- {
- if (ink_rect->width == 0 || ink_rect->height == 0)
- {
- *ink_rect = run_ink;
- ink_rect->x += x_pos;
- }
- else if (run_ink.width != 0 && run_ink.height != 0)
- {
- new_pos = MIN (ink_rect->x, x_pos + run_ink.x);
- ink_rect->width = MAX (ink_rect->x + ink_rect->width,
- x_pos + run_ink.x + run_ink.width) - new_pos;
- ink_rect->x = new_pos;
-
- new_pos = MIN (ink_rect->y, run_ink.y);
- ink_rect->height = MAX (ink_rect->y + ink_rect->height,
- run_ink.y + run_ink.height) - new_pos;
- ink_rect->y = new_pos;
- }
- }
-
- if (logical_rect)
- {
- new_pos = MIN (logical_rect->x, x_pos + run_logical.x);
- logical_rect->width = MAX (logical_rect->x + logical_rect->width,
- x_pos + run_logical.x + run_logical.width) - new_pos;
- logical_rect->x = new_pos;
-
- new_pos = MIN (logical_rect->y, run_logical.y);
- logical_rect->height = MAX (logical_rect->y + logical_rect->height,
- run_logical.y + run_logical.height) - new_pos;
- logical_rect->y = new_pos;
- }
-
- if (height)
- *height = MAX (*height, abs (run_height));
-
- x_pos += run_logical.width;
- tmp_list = tmp_list->next;
- }
-
- if (!line->runs)
- {
- PangoRectangle r, *rect;
-
- rect = logical_rect ? logical_rect : &r;
- pango_layout_get_empty_extents_and_height_at_index (line->layout, line->start_index, rect, TRUE,
height);
- }
-
- if (caching)
- {
- if (&private->ink_rect != ink_rect)
- private->ink_rect = *ink_rect;
- if (&private->logical_rect != logical_rect)
- private->logical_rect = *logical_rect;
- if (&private->height != height)
- private->height = *height;
- private->cache_status = CACHED;
- }
-}
-
-/**
- * pango_layout_line_get_extents:
- * @line: a `PangoLayoutLine`
- * @ink_rect: (out) (optional): rectangle used to store the extents of
- * the glyph string as drawn
- * @logical_rect: (out) (optional): rectangle used to store the logical
- * extents of the glyph string
- *
- * Computes the logical and ink extents of a layout line.
- *
- * See [method Pango Font.get_glyph_extents] for details
- * about the interpretation of the rectangles.
- */
-void
-pango_layout_line_get_extents (PangoLayoutLine *line,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect)
-{
- pango_layout_line_get_extents_and_height (line, ink_rect, logical_rect, NULL);
-}
-
-/**
- * pango_layout_line_get_height:
- * @line: a `PangoLayoutLine`
- * @height: (out) (optional): return location for the line height
- *
- * Computes the height of the line, as the maximum of the heights
- * of fonts used in this line.
- *
- * Note that the actual baseline-to-baseline distance between lines
- * of text is influenced by other factors, such as
- * [method@Pango.Layout.set_spacing] and
- * [method@Pango.Layout.set_line_spacing].
- *
- * Since: 1.44
- */
-void
-pango_layout_line_get_height (PangoLayoutLine *line,
- int *height)
-{
- pango_layout_line_get_extents_and_height (line, NULL, NULL, height);
-}
-
-static PangoLayoutLine *
-pango_layout_line_new (PangoLayout *layout)
-{
- PangoLayoutLinePrivate *private = g_slice_new (PangoLayoutLinePrivate);
-
- private->ref_count = 1;
- private->line.layout = layout;
- private->line.runs = NULL;
- private->line.length = 0;
- private->cache_status = NOT_CACHED;
-
- /* Note that we leave start_index, resolved_dir, and is_paragraph_start
- * uninitialized */
-
- return (PangoLayoutLine *) private;
-}
-
-/**
- * pango_layout_line_get_pixel_extents:
- * @layout_line: a `PangoLayoutLine`
- * @ink_rect: (out) (optional): rectangle used to store the extents of
- * the glyph string as drawn
- * @logical_rect: (out) (optional): rectangle used to store the logical
- * extents of the glyph string
- *
- * Computes the logical and ink extents of @layout_line in device units.
- *
- * This function just calls [method@Pango.LayoutLine.get_extents] followed by
- * two [func@extents_to_pixels] calls, rounding @ink_rect and @logical_rect
- * such that the rounded rectangles fully contain the unrounded one (that is,
- * passes them as first argument to [func@extents_to_pixels]).
- */
-void
-pango_layout_line_get_pixel_extents (PangoLayoutLine *layout_line,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect)
-{
- g_return_if_fail (LINE_IS_VALID (layout_line));
-
- pango_layout_line_get_extents (layout_line, ink_rect, logical_rect);
- pango_extents_to_pixels (ink_rect, NULL);
- pango_extents_to_pixels (logical_rect, NULL);
-}
-
-/*
- * NB: This implement the exact same algorithm as
- * reorder-items.c:pango_reorder_items().
- */
-static GSList *
-reorder_runs_recurse (GSList *items,
- int n_items)
-{
- GSList *tmp_list, *level_start_node;
- int i, level_start_i;
- int min_level = G_MAXINT;
- GSList *result = NULL;
-
- if (n_items == 0)
- return NULL;
-
- tmp_list = items;
- for (i=0; i<n_items; i++)
- {
- PangoLayoutRun *run = tmp_list->data;
-
- min_level = MIN (min_level, run->item->analysis.level);
-
- tmp_list = tmp_list->next;
- }
-
- level_start_i = 0;
- level_start_node = items;
- tmp_list = items;
- for (i=0; i<n_items; i++)
- {
- PangoLayoutRun *run = tmp_list->data;
-
- if (run->item->analysis.level == min_level)
- {
- if (min_level % 2)
- {
- if (i > level_start_i)
- result = g_slist_concat (reorder_runs_recurse (level_start_node, i - level_start_i), result);
- result = g_slist_prepend (result, run);
- }
- else
- {
- if (i > level_start_i)
- result = g_slist_concat (result, reorder_runs_recurse (level_start_node, i - level_start_i));
- result = g_slist_append (result, run);
- }
-
- level_start_i = i + 1;
- level_start_node = tmp_list->next;
- }
-
- tmp_list = tmp_list->next;
- }
-
- if (min_level % 2)
- {
- if (i > level_start_i)
- result = g_slist_concat (reorder_runs_recurse (level_start_node, i - level_start_i), result);
- }
- else
- {
- if (i > level_start_i)
- result = g_slist_concat (result, reorder_runs_recurse (level_start_node, i - level_start_i));
- }
-
- return result;
-}
-
-static void
-pango_layout_line_reorder (PangoLayoutLine *line)
-{
- GSList *logical_runs = line->runs;
- GSList *tmp_list;
- gboolean all_even, all_odd;
- guint8 level_or = 0, level_and = 1;
- int length = 0;
-
- /* Check if all items are in the same direction, in that case, the
- * line does not need modification and we can avoid the expensive
- * reorder runs recurse procedure.
+ /**
+ * PangoLayout:attributes: (attributes org.gtk.Property.get=pango_layout_get_attributes
org.gtk.Property.set=pango_layout_set_attributes)
+ *
+ * The attributes of the `PangoLayout`.
+ *
+ * Attributes can affect how the text is formatted.
*/
- for (tmp_list = logical_runs; tmp_list != NULL; tmp_list = tmp_list->next)
- {
- PangoLayoutRun *run = tmp_list->data;
-
- level_or |= run->item->analysis.level;
- level_and &= run->item->analysis.level;
+ props[PROP_ATTRIBUTES] = g_param_spec_boxed ("attributes", "attributes", "attributes",
+ PANGO_TYPE_ATTR_LIST,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
- length++;
- }
-
- /* If none of the levels had the LSB set, all numbers were even. */
- all_even = (level_or & 0x1) == 0;
-
- /* If all of the levels had the LSB set, all numbers were odd. */
- all_odd = (level_and & 0x1) == 1;
+ /**
+ * PangoLayout:font-description: (attributes org.gtk.Property.get=pango_layout_get_font_description
org.gtk.Property.set=pango_layout_set_font_description)
+ *
+ * The font description of the `PangoLayout`.
+ */
+ props[PROP_FONT_DESCRIPTION] = g_param_spec_boxed ("font-description", "font-description",
"font-description",
+ PANGO_TYPE_FONT_DESCRIPTION,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
- if (!all_even && !all_odd)
- {
- line->runs = reorder_runs_recurse (logical_runs, length);
- g_slist_free (logical_runs);
- }
- else if (all_odd)
- line->runs = g_slist_reverse (logical_runs);
-}
+ /**
+ * PangoLayout:line-spacing: (attributes org.gtk.Property.get=pango_layout_get_line_spacing
org.gtk.Property.set=pango_layout_set_line_spacing)
+ *
+ * The line spacing factor of the `PangoLayout`.
+ */
+ props[PROP_LINE_SPACING] = g_param_spec_float ("line-spacing", "line-spacing", "line-spacing",
+ 0., G_MAXFLOAT, 0.,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
-static int
-get_item_letter_spacing (PangoItem *item)
-{
- ItemProperties properties;
+ /**
+ * PangoLayout:width: (attributes org.gtk.Property.get=pango_layout_get_width
org.gtk.Property.set=pango_layout_set_width)
+ *
+ * The width to which the text of `PangoLayout` will be broken.
+ *
+ * The width is specified in Pango units, with -1 meaning unlimited.
+ *
+ * The default value is -1.
+ */
+ props[PROP_WIDTH] = g_param_spec_int ("width", "width", "width",
+ -1, G_MAXINT, -1,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
- pango_item_get_properties (item, &properties);
+ /**
+ * PangoLayout:height: (attributes org.gtk.Property.get=pango_layout_get_height
org.gtk.Property.set=pango_layout_set_height)
+ *
+ * The height to which the `PangoLayout` will be ellipsized.
+ *
+ * If @height is positive, it will be the maximum height of the
+ * layout. Only lines would be shown that would fit, and if there
+ * is any text omitted, an ellipsis added. At least one line is
+ * included in each paragraph regardless of how small the height
+ * value is. A value of zero will render exactly one line for the
+ * entire layout.
+ *
+ * If @height is negative, it will be the (negative of) maximum
+ * number of lines per paragraph. That is, the total number of lines
+ * shown may well be more than this value if the layout contains
+ * multiple paragraphs of text.
+ *
+ * The default value of -1 means that the first line of each
+ * paragraph is ellipsized.
+ *
+ * Height setting only has effect if a positive width is set on the
+ * layout and its ellipsization mode is not `PANGO_ELLIPSIZE_NONE`.
+ * The behavior is undefined if a height other than -1 is set and
+ * ellipsization mode is set to `PANGO_ELLIPSIZE_NONE`.
+ *
+ * The default value is -1.
+ */
+ props[PROP_HEIGHT] = g_param_spec_int ("height", "height", "height",
+ -G_MAXINT, G_MAXINT, -1,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
- return properties.letter_spacing;
-}
+ /**
+ * PangoLayout:tabs: (attributes org.gtk.Property.get=pango_layout_get_tabs
org.gtk.Property.set=pango_layout_set_tabs)
+ *
+ * The tabs to use when formatting the text of `PangoLayout`.
+ *
+ * `PangoLayout` will place content at the next tab position
+ * whenever it meets a Tab character (U+0009).
+ */
+ props[PROP_TABS] = g_param_spec_boxed ("tabs", "tabs", "tabs",
+ PANGO_TYPE_TAB_ARRAY,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
-static void
-pad_glyphstring_right (PangoGlyphString *glyphs,
- ParaBreakState *state,
- int adjustment)
-{
- int glyph = glyphs->num_glyphs - 1;
+ /**
+ * PangoLayout:single-paragraph: (attributes org.gtk.Property.get=pango_layout_get_single_paragraph
org.gtk.Property.set=pango_layout_set_single_paragraph)
+ *
+ * Whether to treat newlines and similar characters as paragraph
+ * separators or not. If this property is `TRUE`, all text is kept
+ * in a single paragraph, and paragraph separator characters are
+ * displayed with a glyph.
+ *
+ * This is useful to allow editing of newlines on a single text line.
+ *
+ * The default value is `FALSE`.
+ */
+ props[PROP_SINGLE_PARAGRAPH] = g_param_spec_boolean ("single-paragraph", "single-paragraph",
"single-paragraph",
+ FALSE,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
- while (glyph >= 0 && glyphs->glyphs[glyph].geometry.width == 0)
- glyph--;
+ /**
+ * PangoLayout:wrap: (attributes org.gtk.Property.get=pango_layout_get_wrap
org.gtk.Property.set=pango_layout_set_wrap)
+ *
+ * The wrap mode of this `PangoLayout.
+ *
+ * The wrap mode influences how Pango chooses line breaks
+ * when text needs to be wrapped.
+ *
+ * The default value is `PANGO_WRAP_WORD`.
+ */
+ props[PROP_WRAP] = g_param_spec_enum ("wrap", "wrap", "wrap",
+ PANGO_TYPE_WRAP_MODE,
+ PANGO_WRAP_WORD,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
- if (glyph < 0)
- return;
+ /**
+ * PangoLayout:indent: (attributes org.gtk.Property.get=pango_layout_get_indent
org.gtk.Property.set=pango_layout_set_indent)
+ *
+ * The indent of this `PangoLayout.
+ *
+ * The indent is specified in Pango units.
+ *
+ * A negative value of @indent will produce a hanging indentation.
+ * That is, the first line will have the full width, and subsequent
+ * lines will be indented by the absolute value of @indent.
+ *
+ * The default value is 0.
+ */
+ props[PROP_INDENT] = g_param_spec_int ("indent", "indent", "indent",
+ G_MININT, G_MAXINT, 0,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
- state->remaining_width -= adjustment;
- glyphs->glyphs[glyph].geometry.width += adjustment;
- if (glyphs->glyphs[glyph].geometry.width < 0)
- {
- state->remaining_width += glyphs->glyphs[glyph].geometry.width;
- glyphs->glyphs[glyph].geometry.width = 0;
- }
-}
+ /**
+ * PangoLayout:alignment: (attributes org.gtk.Property.get=pango_layout_get_alignment
org.gtk.Property.set=pango_layout_set_alignment)
+ *
+ * The alignment mode of this `PangoLayout.
+ *
+ * The default value is `PANGO_ALIGNMENT_LEFT`.
+ */
+ props[PROP_ALIGNMENT] = g_param_spec_enum ("alignment", "alignment", "alignment",
+ PANGO_TYPE_ALIGNMENT,
+ PANGO_ALIGN_LEFT,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
-static void
-pad_glyphstring_left (PangoGlyphString *glyphs,
- ParaBreakState *state,
- int adjustment)
-{
- int glyph = 0;
+ /**
+ * PangoLayout:ellipsize: (attributes org.gtk.Property.get=pango_layout_get_ellipsize
org.gtk.Property.set=pango_layout_set_ellipsize)
+ *
+ * The ellipsization mode of this `PangoLayout.
+ *
+ * The default value is `PANGO_ELLIPSIZE_NONE`.
+ */
+ props[PROP_ELLIPSIZE] = g_param_spec_enum ("ellipsize", "ellipsize", "ellipsize",
+ PANGO_TYPE_ELLIPSIZE_MODE,
+ PANGO_ELLIPSIZE_NONE,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
- while (glyph < glyphs->num_glyphs && glyphs->glyphs[glyph].geometry.width == 0)
- glyph++;
+ /**
+ * PangoLayout:auto-dir: (attributes org.gtk.Property.get=pango_layout_get_auto_dir
org.gtk.Property.set=pango_layout_set_auto_dir)
+ *
+ * Whether this `PangoLayout` determines the
+ * base direction from the content.
+ *
+ * The default value is `TRUE`.
+ */
+ props[PROP_AUTO_DIR] = g_param_spec_boolean ("auto-dir", "auto-dir", "auto-dir",
+ TRUE,
+ G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
- if (glyph == glyphs->num_glyphs)
- return;
+ /**
+ * PangoLayout:lines: (attributes org.gtk.Property.get=pango_layout_get_lines)
+ *
+ * The `PangoLines` object holding the formatted lines.
+ */
+ props[PROP_LINES] = g_param_spec_object ("lines", "lines", "lines",
+ PANGO_TYPE_LINES,
+ G_PARAM_READABLE);
- state->remaining_width -= adjustment;
- glyphs->glyphs[glyph].geometry.width += adjustment;
- glyphs->glyphs[glyph].geometry.x_offset += adjustment;
+ g_object_class_install_properties (object_class, NUM_PROPERTIES, props);
}
-static gboolean
-is_tab_run (PangoLayout *layout,
- PangoLayoutRun *run)
-{
- return (layout->text[run->item->offset] == '\t');
-}
+/* }}} */
+/* {{{ Utilities */
static void
-add_missing_hyphen (PangoLayoutLine *line,
- ParaBreakState *state,
- PangoLayoutRun *run)
-{
- PangoLayout *layout = line->layout;
- PangoItem *item = run->item;
- int line_chars;
-
- line_chars = 0;
- for (GSList *l = line->runs; l; l = l->next)
- {
- PangoLayoutRun *r = l->data;
-
- if (r)
- line_chars += r->item->num_chars;
- }
-
- if (layout->log_attrs[state->line_start_offset + line_chars].break_inserts_hyphen &&
- !(item->analysis.flags & PANGO_ANALYSIS_FLAG_NEED_HYPHEN))
- {
- int width;
- int start_offset;
-
- DEBUG1("add a missing hyphen");
- /* The last run fit onto the line without breaking it, but it still needs a hyphen */
-
- width = pango_glyph_string_get_width (run->glyphs);
+layout_changed (PangoLayout *layout)
+{
+ layout->serial++;
+ if (layout->serial == 0)
+ layout->serial++;
- /* Ugly, shape_run uses state->start_offset, so temporarily rewind things
- * to the state before the run was inserted. Otherwise, we end up passing
- * the wrong log attrs to the shaping machinery.
- */
- start_offset = state->start_offset;
- state->start_offset = state->line_start_offset + line_chars - item->num_chars;
+ g_clear_object (&layout->lines);
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_LINES]);
+}
- pango_glyph_string_free (run->glyphs);
- item->analysis.flags |= PANGO_ANALYSIS_FLAG_NEED_HYPHEN;
- run->glyphs = shape_run (line, state, item);
+static void
+check_context_changed (PangoLayout *layout)
+{
+ guint old_serial = layout->context_serial;
- state->start_offset = start_offset;
+ layout->context_serial = pango_context_get_serial (layout->context);
- state->remaining_width += pango_glyph_string_get_width (run->glyphs) - width;
- }
+ if (old_serial != layout->context_serial)
+ pango_layout_context_changed (layout);
}
-static void
-zero_line_final_space (PangoLayoutLine *line,
- ParaBreakState *state,
- PangoLayoutRun *run)
+static PangoAttrList *
+ensure_attrs (PangoLayout *layout,
+ PangoAttrList *attrs)
{
- PangoLayout *layout = line->layout;
- PangoItem *item = run->item;
- PangoGlyphString *glyphs;
- int glyph;
+ if (attrs)
+ return attrs;
+ else if (layout->attrs)
+ return pango_attr_list_copy (layout->attrs);
+ else
+ return pango_attr_list_new ();
+}
- glyphs = run->glyphs;
- glyph = item->analysis.level % 2 ? 0 : glyphs->num_glyphs - 1;
+static PangoAttrList *
+get_effective_attributes (PangoLayout *layout)
+{
+ PangoAttrList *attrs = NULL;
- if (glyphs->glyphs[glyph].glyph == PANGO_GET_UNKNOWN_GLYPH (0x2028))
+ if (layout->font_desc)
{
- DEBUG1 ("zero final space: visible space");
- return; /* this LS is visible */
+ attrs = ensure_attrs (layout, attrs);
+ pango_attr_list_insert_before (attrs,
+ pango_attr_font_desc_new (layout->font_desc));
}
- /* if the final char of line forms a cluster, and it's
- * a whitespace char, zero its glyph's width as it's been wrapped
- */
- if (glyphs->num_glyphs < 1 || state->start_offset == 0 ||
- !layout->log_attrs[state->start_offset - 1].is_white)
+ if (layout->line_spacing != 0.0)
{
- DEBUG1 ("zero final space: not whitespace");
- return;
+ attrs = ensure_attrs (layout, attrs);
+ pango_attr_list_insert_before (attrs,
+ pango_attr_line_height_new (layout->line_spacing));
}
- if (glyphs->num_glyphs >= 2 &&
- glyphs->log_clusters[glyph] == glyphs->log_clusters[glyph + (item->analysis.level % 2 ? 1 : -1)])
+ if (layout->single_paragraph)
{
-
- DEBUG1 ("zero final space: its a cluster");
- return;
+ attrs = ensure_attrs (layout, attrs);
+ pango_attr_list_insert_before (attrs,
+ pango_attr_paragraph_new ());
}
- DEBUG1 ("zero line final space: collapsing the space");
- glyphs->glyphs[glyph].geometry.width = 0;
- glyphs->glyphs[glyph].glyph = PANGO_GLYPH_EMPTY;
+ if (attrs)
+ return attrs;
+
+ return pango_attr_list_ref (layout->attrs);
}
-/* When doing shaping, we add the letter spacing value for a
- * run after every grapheme in the run. This produces ugly
- * asymmetrical results, so what this routine is redistributes
- * that space to the beginning and the end of the run.
- *
- * We also trim the letter spacing from runs adjacent to
- * tabs and from the outside runs of the lines so that things
- * line up properly. The line breaking and tab positioning
- * were computed without this trimming so they are no longer
- * exactly correct, but this won't be very noticeable in most
- * cases.
- */
-static void
-adjust_line_letter_spacing (PangoLayoutLine *line,
- ParaBreakState *state)
+static gboolean
+ends_with_paragraph_separator (PangoLayout *layout)
{
- PangoLayout *layout = line->layout;
- gboolean reversed;
- PangoLayoutRun *last_run;
- int tab_adjustment;
- GSList *l;
-
- /* If we have tab stops and the resolved direction of the
- * line is RTL, then we need to walk through the line
- * in reverse direction to figure out the corrections for
- * tab stops.
- */
- reversed = FALSE;
- if (line->resolved_dir == PANGO_DIRECTION_RTL)
- {
- for (l = line->runs; l; l = l->next)
- if (is_tab_run (layout, l->data))
- {
- line->runs = g_slist_reverse (line->runs);
- reversed = TRUE;
- break;
- }
- }
-
- /* Walk over the runs in the line, redistributing letter
- * spacing from the end of the run to the start of the
- * run and trimming letter spacing from the ends of the
- * runs adjacent to the ends of the line or tab stops.
- *
- * We accumulate a correction factor from this trimming
- * which we add onto the next tab stop space to keep the
- * things properly aligned.
- */
- last_run = NULL;
- tab_adjustment = 0;
- for (l = line->runs; l; l = l->next)
- {
- PangoLayoutRun *run = l->data;
- PangoLayoutRun *next_run = l->next ? l->next->data : NULL;
-
- if (is_tab_run (layout, run))
- {
- pad_glyphstring_right (run->glyphs, state, tab_adjustment);
- tab_adjustment = 0;
- }
- else
- {
- PangoLayoutRun *visual_next_run = reversed ? last_run : next_run;
- PangoLayoutRun *visual_last_run = reversed ? next_run : last_run;
- int run_spacing = get_item_letter_spacing (run->item);
- int space_left, space_right;
-
- distribute_letter_spacing (run_spacing, &space_left, &space_right);
-
- if (run->glyphs->glyphs[0].geometry.width == 0)
- {
- /* we've zeroed this space glyph at the end of line, now remove
- * the letter spacing added to its adjacent glyph */
- pad_glyphstring_left (run->glyphs, state, - space_left);
- }
- else if (!visual_last_run || is_tab_run (layout, visual_last_run))
- {
- pad_glyphstring_left (run->glyphs, state, - space_left);
- tab_adjustment += space_left;
- }
-
- if (run->glyphs->glyphs[run->glyphs->num_glyphs - 1].geometry.width == 0)
- {
- /* we've zeroed this space glyph at the end of line, now remove
- * the letter spacing added to its adjacent glyph */
- pad_glyphstring_right (run->glyphs, state, - space_right);
- }
- else if (!visual_next_run || is_tab_run (layout, visual_next_run))
- {
- pad_glyphstring_right (run->glyphs, state, - space_right);
- tab_adjustment += space_right;
- }
- }
-
- last_run = run;
- }
+ if (layout->single_paragraph)
+ return FALSE;
- if (reversed)
- line->runs = g_slist_reverse (line->runs);
+ return g_str_has_suffix (layout->text, "\n") ||
+ g_str_has_suffix (layout->text, "\r") ||
+ g_str_has_suffix (layout->text, "\r\n") ||
+ g_str_has_suffix (layout->text, "
");
}
static void
-justify_clusters (PangoLayoutLine *line,
- ParaBreakState *state)
+ensure_lines (PangoLayout *layout)
{
- const gchar *text = line->layout->text;
- const PangoLogAttr *log_attrs = line->layout->log_attrs;
-
- int total_remaining_width, total_gaps = 0;
- int added_so_far, gaps_so_far;
- gboolean is_hinted;
- GSList *run_iter;
- enum {
- MEASURE,
- ADJUST
- } mode;
-
- total_remaining_width = state->remaining_width;
- if (total_remaining_width <= 0)
+ PangoLineBreaker *breaker;
+ PangoAttrList *attrs;
+ int x, y, width;
+ int line_no;
+
+ check_context_changed (layout);
+
+ if (layout->lines)
return;
- /* hint to full pixel if total remaining width was so */
- is_hinted = (total_remaining_width & (PANGO_SCALE - 1)) == 0;
+ breaker = pango_line_breaker_new (layout->context);
- for (mode = MEASURE; mode <= ADJUST; mode++)
- {
- gboolean leftedge = TRUE;
- PangoGlyphString *rightmost_glyphs = NULL;
- int rightmost_space = 0;
- int residual = 0;
+ pango_line_breaker_set_tabs (breaker, layout->tabs);
+ pango_line_breaker_set_base_dir (breaker,
+ layout->auto_dir
+ ? PANGO_DIRECTION_NEUTRAL
+ : pango_context_get_base_dir (layout->context));
- added_so_far = 0;
- gaps_so_far = 0;
+ attrs = get_effective_attributes (layout);
+ pango_line_breaker_add_text (breaker, layout->text ? layout->text : "", -1, attrs);
+ if (attrs)
+ pango_attr_list_unref (attrs);
- for (run_iter = line->runs; run_iter; run_iter = run_iter->next)
- {
- PangoLayoutRun *run = run_iter->data;
- PangoGlyphString *glyphs = run->glyphs;
- PangoGlyphItemIter cluster_iter;
- gboolean have_cluster;
- int dir;
- int offset;
-
- dir = run->item->analysis.level % 2 == 0 ? +1 : -1;
-
- offset = run->item->char_offset;
-
- for (have_cluster = dir > 0 ?
- pango_glyph_item_iter_init_start (&cluster_iter, run, text) :
- pango_glyph_item_iter_init_end (&cluster_iter, run, text);
- have_cluster;
- have_cluster = dir > 0 ?
- pango_glyph_item_iter_next_cluster (&cluster_iter) :
- pango_glyph_item_iter_prev_cluster (&cluster_iter))
- {
- int i;
- int width = 0;
-
- /* don't expand in the middle of graphemes */
- if (!log_attrs[offset + cluster_iter.start_char].is_cursor_position)
- continue;
-
- for (i = cluster_iter.start_glyph; i != cluster_iter.end_glyph; i += dir)
- width += glyphs->glyphs[i].geometry.width;
-
- /* also don't expand zero-width clusters. */
- if (width == 0)
- continue;
-
- gaps_so_far++;
-
- if (mode == ADJUST)
- {
- int leftmost, rightmost;
- int adjustment, space_left, space_right;
-
- adjustment = total_remaining_width / total_gaps + residual;
- if (is_hinted)
- {
- int old_adjustment = adjustment;
- adjustment = PANGO_UNITS_ROUND (adjustment);
- residual = old_adjustment - adjustment;
- }
- /* distribute to before/after */
- distribute_letter_spacing (adjustment, &space_left, &space_right);
-
- if (cluster_iter.start_glyph < cluster_iter.end_glyph)
- {
- /* LTR */
- leftmost = cluster_iter.start_glyph;
- rightmost = cluster_iter.end_glyph - 1;
- }
- else
- {
- /* RTL */
- leftmost = cluster_iter.end_glyph + 1;
- rightmost = cluster_iter.start_glyph;
- }
- /* Don't add to left-side of left-most glyph of left-most non-zero run. */
- if (leftedge)
- leftedge = FALSE;
- else
- {
- glyphs->glyphs[leftmost].geometry.width += space_left ;
- glyphs->glyphs[leftmost].geometry.x_offset += space_left ;
- added_so_far += space_left;
- }
- /* Don't add to right-side of right-most glyph of right-most non-zero run. */
- {
- /* Save so we can undo later. */
- rightmost_glyphs = glyphs;
- rightmost_space = space_right;
-
- glyphs->glyphs[rightmost].geometry.width += space_right;
- added_so_far += space_right;
- }
- }
- }
- }
+ layout->lines = pango_lines_new ();
- if (mode == MEASURE)
- {
- total_gaps = gaps_so_far - 1;
+ x = y = 0;
+ line_no = 0;
+ while (pango_line_breaker_has_line (breaker))
+ {
+ PangoLine *line;
+ PangoRectangle ext;
+ int offset;
+ PangoEllipsizeMode ellipsize = PANGO_ELLIPSIZE_NONE;
- if (total_gaps == 0)
- {
- /* a single cluster, can't really justify it */
- return;
- }
+ if ((line_no == 0) == (layout->indent > 0))
+ {
+ x = abs (layout->indent);
+ width = layout->width - x;
}
- else /* mode == ADJUST */
+ else
{
- if (rightmost_glyphs)
- {
- rightmost_glyphs->glyphs[rightmost_glyphs->num_glyphs - 1].geometry.width -= rightmost_space;
- added_so_far -= rightmost_space;
- }
+ x = 0;
+ width = layout->width;
}
- }
- state->remaining_width -= added_so_far;
-}
-
-static void
-justify_words (PangoLayoutLine *line,
- ParaBreakState *state)
-{
- const gchar *text = line->layout->text;
- const PangoLogAttr *log_attrs = line->layout->log_attrs;
-
- int total_remaining_width, total_space_width = 0;
- int added_so_far, spaces_so_far;
- gboolean is_hinted;
- GSList *run_iter;
- enum {
- MEASURE,
- ADJUST
- } mode;
-
- total_remaining_width = state->remaining_width;
- if (total_remaining_width <= 0)
- return;
-
- /* hint to full pixel if total remaining width was so */
- is_hinted = (total_remaining_width & (PANGO_SCALE - 1)) == 0;
+ if (layout->height < 0 && line_no + 1 == - layout->height)
+ ellipsize = layout->ellipsize;
- for (mode = MEASURE; mode <= ADJUST; mode++)
- {
- added_so_far = 0;
- spaces_so_far = 0;
+retry:
+ line = pango_line_breaker_next_line (breaker, x, width, layout->wrap, ellipsize);
+ pango_line_get_extents (line, NULL, &ext);
- for (run_iter = line->runs; run_iter; run_iter = run_iter->next)
+ if (layout->height >= 0 && y + 2 * ext.height >= layout->height &&
+ ellipsize != layout->ellipsize)
{
- PangoLayoutRun *run = run_iter->data;
- PangoGlyphString *glyphs = run->glyphs;
- PangoGlyphItemIter cluster_iter;
- gboolean have_cluster;
- int offset;
-
- offset = run->item->char_offset;
-
- for (have_cluster = pango_glyph_item_iter_init_start (&cluster_iter, run, text);
- have_cluster;
- have_cluster = pango_glyph_item_iter_next_cluster (&cluster_iter))
+ if (pango_line_breaker_undo_line (breaker, line))
{
- int i;
- int dir;
-
- if (!log_attrs[offset + cluster_iter.start_char].is_expandable_space)
- continue;
-
- dir = (cluster_iter.start_glyph < cluster_iter.end_glyph) ? 1 : -1;
- for (i = cluster_iter.start_glyph; i != cluster_iter.end_glyph; i += dir)
- {
- int glyph_width = glyphs->glyphs[i].geometry.width;
-
- if (glyph_width == 0)
- continue;
-
- spaces_so_far += glyph_width;
-
- if (mode == ADJUST)
- {
- int adjustment;
-
- adjustment = ((guint64) spaces_so_far * total_remaining_width) / total_space_width -
added_so_far;
- if (is_hinted)
- adjustment = PANGO_UNITS_ROUND (adjustment);
-
- glyphs->glyphs[i].geometry.width += adjustment;
- added_so_far += adjustment;
- }
- }
+ g_clear_pointer (&line, pango_line_free);
+ ellipsize = layout->ellipsize;
+ goto retry;
}
}
- if (mode == MEASURE)
+ /* Handle alignment and justification */
+ offset = 0;
+ switch (layout->alignment)
{
- total_space_width = spaces_so_far;
-
- if (total_space_width == 0)
- {
- justify_clusters (line, state);
- return;
- }
+ case PANGO_ALIGN_LEFT:
+ break;
+ case PANGO_ALIGN_CENTER:
+ if (ext.width < width)
+ offset = (width - ext.width) / 2;
+ break;
+ case PANGO_ALIGN_RIGHT:
+ if (ext.width < width)
+ offset = width - ext.width;
+ break;
+ case PANGO_ALIGN_JUSTIFY:
+ if (!pango_line_is_paragraph_end (line))
+ line = pango_line_justify (line, width);
+ break;
+ case PANGO_ALIGN_JUSTIFY_ALL:
+ line = pango_line_justify (line, width);
+ break;
+ default: g_assert_not_reached ();
}
- }
-
- state->remaining_width -= added_so_far;
-}
-
-typedef struct {
- PangoAttribute *attr;
- int x_offset;
- int y_offset;
-} BaselineItem;
-
-static void
-collect_baseline_shift (ParaBreakState *state,
- PangoItem *item,
- PangoItem *prev,
- int *start_x_offset,
- int *start_y_offset,
- int *end_x_offset,
- int *end_y_offset)
-{
- *start_x_offset = 0;
- *start_y_offset = 0;
- *end_x_offset = 0;
- *end_y_offset = 0;
-
- for (GSList *l = item->analysis.extra_attrs; l; l = l->next)
- {
- PangoAttribute *attr = l->data;
-
- if (attr->klass->type == PANGO_ATTR_RISE)
- {
- int value = ((PangoAttrInt *)attr)->value;
- *start_y_offset += value;
- *end_y_offset -= value;
- }
- else if (attr->klass->type == PANGO_ATTR_BASELINE_SHIFT)
- {
- if (attr->start_index == item->offset)
- {
- BaselineItem *entry;
- int value;
-
- entry = g_new0 (BaselineItem, 1);
- entry->attr = attr;
- state->baseline_shifts = g_list_prepend (state->baseline_shifts, entry);
-
- value = ((PangoAttrInt *)attr)->value;
-
- if (value > 1024 || value < -1024)
- {
- entry->y_offset = value;
- /* FIXME: compute an x_offset from value to italic angle */
- }
- else
- {
- int superscript_x_offset = 0;
- int superscript_y_offset = 0;
- int subscript_x_offset = 0;
- int subscript_y_offset = 0;
-
-
- if (prev && prev->analysis.font)
- {
- hb_font_t *hb_font = pango_font_get_hb_font (prev->analysis.font);
- hb_ot_metrics_get_position (hb_font, HB_OT_METRICS_TAG_SUPERSCRIPT_EM_Y_OFFSET,
&superscript_y_offset);
- hb_ot_metrics_get_position (hb_font, HB_OT_METRICS_TAG_SUPERSCRIPT_EM_X_OFFSET,
&superscript_x_offset);
- hb_ot_metrics_get_position (hb_font, HB_OT_METRICS_TAG_SUBSCRIPT_EM_Y_OFFSET,
&subscript_y_offset);
- hb_ot_metrics_get_position (hb_font, HB_OT_METRICS_TAG_SUBSCRIPT_EM_X_OFFSET,
&subscript_x_offset);
- }
-
- if (superscript_y_offset == 0)
- superscript_y_offset = 5000;
- if (subscript_y_offset == 0)
- subscript_y_offset = 5000;
-
- switch (value)
- {
- case PANGO_BASELINE_SHIFT_NONE:
- entry->x_offset = 0;
- entry->y_offset = 0;
- break;
- case PANGO_BASELINE_SHIFT_SUPERSCRIPT:
- entry->x_offset = superscript_x_offset;
- entry->y_offset = superscript_y_offset;
- break;
- case PANGO_BASELINE_SHIFT_SUBSCRIPT:
- entry->x_offset = subscript_x_offset;
- entry->y_offset = -subscript_y_offset;
- break;
- default:
- g_assert_not_reached ();
- }
- }
-
- *start_x_offset += entry->x_offset;
- *start_y_offset += entry->y_offset;
- }
+ pango_lines_add_line (layout->lines, line, x + offset, y - ext.y);
- if (attr->end_index == item->offset + item->length)
- {
- GList *t;
-
- for (t = state->baseline_shifts; t; t = t->next)
- {
- BaselineItem *entry = t->data;
-
- if (attr->start_index == entry->attr->start_index &&
- attr->end_index == entry->attr->end_index &&
- ((PangoAttrInt *)attr)->value == ((PangoAttrInt *)entry->attr)->value)
- {
- *end_x_offset -= entry->x_offset;
- *end_y_offset -= entry->y_offset;
- }
-
- state->baseline_shifts = g_list_remove (state->baseline_shifts, entry);
- g_free (entry);
- break;
- }
- if (t == NULL)
- g_warning ("Baseline attributes mismatch\n");
- }
- }
+ y += ext.height;
+ line_no++;
}
-}
-static void
-apply_baseline_shift (PangoLayoutLine *line,
- ParaBreakState *state)
-{
- int y_offset = 0;
- PangoItem *prev = NULL;
- hb_position_t baseline_adjustment = 0;
-#if HB_VERSION_ATLEAST(4,0,0)
- hb_ot_layout_baseline_tag_t baseline_tag = 0;
- hb_position_t baseline;
- hb_position_t run_baseline;
-#endif
-
- for (GSList *l = line->runs; l; l = l->next)
+ /* Append an empty line if we end with a newline.
+ * And always provide at least one line
+ */
+ if (pango_lines_get_line_count (layout->lines) == 0 ||
+ ends_with_paragraph_separator (layout))
{
- PangoLayoutRun *run = l->data;
- PangoItem *item = run->item;
- int start_x_offset, end_x_offset;
- int start_y_offset, end_y_offset;
-#if HB_VERSION_ATLEAST(4,0,0)
- hb_font_t *hb_font;
- hb_script_t script;
- hb_language_t language;
- hb_direction_t direction;
- hb_tag_t script_tags[HB_OT_MAX_TAGS_PER_SCRIPT];
- hb_tag_t lang_tags[HB_OT_MAX_TAGS_PER_LANGUAGE];
- unsigned int script_count = HB_OT_MAX_TAGS_PER_SCRIPT;
- unsigned int lang_count = HB_OT_MAX_TAGS_PER_LANGUAGE;
-#endif
-
- if (item->analysis.font == NULL)
- continue;
-
-#if HB_VERSION_ATLEAST(4,0,0)
- hb_font = pango_font_get_hb_font (item->analysis.font);
-
- script = (hb_script_t) g_unicode_script_to_iso15924 (item->analysis.script);
- language = hb_language_from_string (pango_language_to_string (item->analysis.language), -1);
- hb_ot_tags_from_script_and_language (script, language,
- &script_count, script_tags,
- &lang_count, lang_tags);
-
- if (item->analysis.flags & PANGO_ANALYSIS_FLAG_CENTERED_BASELINE)
- direction = HB_DIRECTION_TTB;
- else
- direction = HB_DIRECTION_LTR;
+ LineData *data;
+ int start_index;
+ int start_offset;
+ int offset;
+ PangoLine *line;
+ PangoRectangle ext;
- if (baseline_tag == 0)
+ if (pango_lines_get_line_count (layout->lines) > 0)
{
- if (item->analysis.flags & PANGO_ANALYSIS_FLAG_CENTERED_BASELINE)
- baseline_tag = HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_CENTRAL;
- else
- baseline_tag = hb_ot_layout_get_horizontal_baseline_tag_for_script (script);
- hb_ot_layout_get_baseline_with_fallback (hb_font,
- baseline_tag,
- direction,
- script_tags[script_count - 1],
- lang_count ? lang_tags[lang_count - 1] : HB_TAG_NONE,
- &run_baseline);
- baseline = run_baseline;
+ PangoLine *last;
+
+ last = pango_lines_get_line (layout->lines,
+ pango_lines_get_line_count (layout->lines) - 1,
+ NULL, NULL);
+ data = line_data_ref (last->data);
+ start_index = data->length;
+ start_offset = last->data->n_chars;
+ offset = MAX (layout->indent, 0);
}
else
{
- hb_ot_layout_get_baseline_with_fallback (hb_font,
- baseline_tag,
- direction,
- script_tags[script_count - 1],
- lang_count ? lang_tags[lang_count - 1] : HB_TAG_NONE,
- &run_baseline);
+ data = line_data_new ();
+ data->text = g_strdup ("");
+ data->length = 0;
+ data->attrs = get_effective_attributes (layout);
+ data->log_attrs = g_new0 (PangoLogAttr, 1);
+ data->log_attrs[0].is_cursor_position = TRUE;
+ start_index = 0;
+ start_offset = 0;
+ offset = 0;
}
- /* Don't do baseline adjustment in vertical, since the renderer
- * is still doing its own baseline shifting there
- */
- if (item->analysis.flags & PANGO_ANALYSIS_FLAG_CENTERED_BASELINE)
- baseline_adjustment = 0;
- else
- baseline_adjustment = baseline - run_baseline;
-#endif
-
- collect_baseline_shift (state, item, prev, &start_x_offset, &start_y_offset, &end_x_offset,
&end_y_offset);
-
- y_offset += start_y_offset + baseline_adjustment;
+ line = pango_line_new (layout->context, data);
+ line->starts_paragraph = TRUE;
+ line->ends_paragraph = TRUE;
+ line->start_index = start_index;
+ line->length = 0;
+ line->start_offset = start_offset;
+ line->n_chars = 0;
- run->y_offset = y_offset;
- run->start_x_offset = start_x_offset;
- run->end_x_offset = end_x_offset;
+ pango_line_get_extents (line, NULL, &ext);
- y_offset += end_y_offset - baseline_adjustment;
+ pango_lines_add_line (layout->lines, line, x + offset, y - ext.y);
- prev = item;
+ line_data_unref (data);
}
-}
-
-static void
-pango_layout_line_postprocess (PangoLayoutLine *line,
- ParaBreakState *state,
- gboolean wrapped)
-{
- gboolean ellipsized = FALSE;
-
- DEBUG1 ("postprocessing line, %s", wrapped ? "wrapped" : "not wrapped");
-
- add_missing_hyphen (line, state, line->runs->data);
- DEBUG ("after hyphen addition", line, state);
-
- /* Truncate the logical-final whitespace in the line if we broke the line at it */
- if (wrapped)
- zero_line_final_space (line, state, line->runs->data);
-
- DEBUG ("after removing final space", line, state);
-
- /* Reverse the runs */
- line->runs = g_slist_reverse (line->runs);
-
- apply_baseline_shift (line, state);
-
- /* Ellipsize the line if necessary */
- if (G_UNLIKELY (state->line_width >= 0 &&
- should_ellipsize_current_line (line->layout, state)))
- {
- PangoShapeFlags shape_flags = PANGO_SHAPE_NONE;
-
- if (pango_context_get_round_glyph_positions (line->layout->context))
- shape_flags |= PANGO_SHAPE_ROUND_POSITIONS;
- ellipsized = _pango_layout_line_ellipsize (line, state->attrs, shape_flags, state->line_width);
- }
+ g_object_unref (breaker);
+}
- /* Now convert logical to visual order */
- pango_layout_line_reorder (line);
+/* }}} */
+/* {{{ Public API */
- DEBUG ("after reordering", line, state);
+/**
+ * pango_layout_new:
+ * @context: a `PangoContext`
+ *
+ * Creates a new `PangoLayout` with attribute initialized to
+ * default values for a particular `PangoContext`
+ *
+ * Return value: a newly allocated `PangoLayout`
+ */
+PangoLayout *
+pango_layout_new (PangoContext *context)
+{
+ g_return_val_if_fail (PANGO_IS_CONTEXT (context), NULL);
- /* Fixup letter spacing between runs */
- adjust_line_letter_spacing (line, state);
+ return g_object_new (PANGO_TYPE_LAYOUT, "context", context, NULL);
+}
- DEBUG ("after letter spacing", line, state);
+/**
+ * pango_layout_copy:
+ * @layout: a `PangoLayout`
+ *
+ * Creates a deep copy-by-value of the layout.
+ *
+ * The attribute list, tab array, and text from the original layout
+ * are all copied by value.
+ *
+ * Return value: (transfer full): the newly allocated `PangoLayout`
+ */
+PangoLayout *
+pango_layout_copy (PangoLayout *layout)
+{
+ PangoLayout *copy;
- /* Distribute extra space between words if justifying and line was wrapped */
- if (line->layout->justify && (wrapped || ellipsized || line->layout->justify_last_line))
- {
- /* if we ellipsized, we don't have remaining_width set */
- if (state->remaining_width < 0)
- state->remaining_width = state->line_width - pango_layout_line_get_width (line);
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
- justify_words (line, state);
- }
+ copy = pango_layout_new (layout->context);
- DEBUG ("after justification", line, state);
+ copy->text = g_strdup (layout->text);
+ copy->length = layout->length;
+ if (layout->attrs)
+ copy->attrs = pango_attr_list_copy (layout->attrs);
+ if (layout->font_desc)
+ copy->font_desc = pango_font_description_copy (layout->font_desc);
+ copy->line_spacing = layout->line_spacing;
+ copy->width = layout->width;
+ copy->height = layout->height;
+ if (layout->tabs)
+ copy->tabs = pango_tab_array_copy (layout->tabs);
+ copy->single_paragraph = layout->single_paragraph;
+ copy->wrap = layout->wrap;
+ copy->indent = layout->indent;
+ copy->serial = layout->serial;
+ copy->context_serial = layout->context_serial;
+ copy->alignment = layout->alignment;
+ copy->ellipsize = layout->ellipsize;
+ copy->auto_dir = layout->auto_dir;
- line->layout->is_wrapped |= wrapped;
- line->layout->is_ellipsized |= ellipsized;
+ return copy;
}
-static int
-next_cluster_start (PangoGlyphString *gs,
- int cluster_start)
+/**
+ * pango_layout_get_serial:
+ * @layout: a `PangoLayout`
+ *
+ * Returns the current serial number of the layout.
+ *
+ * The serial number is initialized to an small number larger than zero
+ * when a new layout is created and is increased whenever the layout is
+ * changed using any of the setter functions, or the `PangoContext` it
+ * uses has changed.
+ *
+ * The serial may wrap, but will never have the value 0. Since it can
+ * wrap, never compare it with "less than", always use "not equals".
+ *
+ * This can be used to automatically detect changes to a `PangoLayout`,
+ * and is useful for example to decide whether a layout needs redrawing.
+ *
+ * Return value: The current serial number of @layout
+ */
+guint
+pango_layout_get_serial (PangoLayout *layout)
{
- int i;
-
- i = cluster_start + 1;
- while (i < gs->num_glyphs)
- {
- if (gs->glyphs[i].attr.is_cluster_start)
- return i;
-
- i++;
- }
+ check_context_changed (layout);
- return gs->num_glyphs;
+ return layout->serial;
}
-static int
-cluster_width (PangoGlyphString *gs,
- int cluster_start)
+/**
+ * pango_layout_context_changed:
+ * @layout: a `PangoLayout`
+ *
+ * Forces recomputation of any state in the `PangoLayout` that
+ * might depend on the layout's context.
+ *
+ * This function should be called if you make changes to the
+ * context subsequent to creating the layout.
+ */
+void
+pango_layout_context_changed (PangoLayout *layout)
{
- int i;
- int width;
-
- width = gs->glyphs[cluster_start].geometry.width;
- i = cluster_start + 1;
- while (i < gs->num_glyphs)
- {
- if (gs->glyphs[i].attr.is_cluster_start)
- break;
-
- width += gs->glyphs[i].geometry.width;
- i++;
- }
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- return width;
+ layout_changed (layout);
}
-static inline void
-offset_y (PangoLayoutIter *iter,
- int *y)
-{
- *y += iter->line_extents[iter->line_index].baseline;
-}
+/* {{{ Property getters and setters */
-/* Sets up the iter for the start of a new cluster. cluster_start_index
- * is the byte index of the cluster start relative to the run.
+/**
+ * pango_layout_get_context:
+ * @layout: a `PangoLayout`
+ *
+ * Retrieves the `PangoContext` used for this layout.
+ *
+ * Return value: (transfer none): the `PangoContext` for the layout
*/
-static void
-update_cluster (PangoLayoutIter *iter,
- int cluster_start_index)
+PangoContext *
+pango_layout_get_context (PangoLayout *layout)
{
- char *cluster_text;
- PangoGlyphString *gs;
- int cluster_length;
-
- iter->character_position = 0;
-
- gs = iter->run->glyphs;
- iter->cluster_width = cluster_width (gs, iter->cluster_start);
- iter->next_cluster_glyph = next_cluster_start (gs, iter->cluster_start);
-
- if (iter->ltr)
- {
- /* For LTR text, finding the length of the cluster is easy
- * since logical and visual runs are in the same direction.
- */
- if (iter->next_cluster_glyph < gs->num_glyphs)
- cluster_length = gs->log_clusters[iter->next_cluster_glyph] - cluster_start_index;
- else
- cluster_length = iter->run->item->length - cluster_start_index;
- }
- else
- {
- /* For RTL text, we have to scan backwards to find the previous
- * visual cluster which is the next logical cluster.
- */
- int i = iter->cluster_start;
- while (i > 0 && gs->log_clusters[i - 1] == cluster_start_index)
- i--;
-
- if (i == 0)
- cluster_length = iter->run->item->length - cluster_start_index;
- else
- cluster_length = gs->log_clusters[i - 1] - cluster_start_index;
- }
-
- cluster_text = iter->layout->text + iter->run->item->offset + cluster_start_index;
- iter->cluster_num_chars = pango_utf8_strlen (cluster_text, cluster_length);
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
- if (iter->ltr)
- iter->index = cluster_text - iter->layout->text;
- else
- iter->index = g_utf8_prev_char (cluster_text + cluster_length) - iter->layout->text;
+ return layout->context;
}
-static void
-update_run (PangoLayoutIter *iter,
- int run_start_index)
-{
- const Extents *line_ext = &iter->line_extents[iter->line_index];
-
- /* Note that in iter_new() the iter->run_width
- * is garbage but we don't use it since we're on the first run of
- * a line.
- */
- if (iter->run_list_link == iter->line->runs)
- iter->run_x = line_ext->logical_rect.x;
- else
- {
- iter->run_x += iter->end_x_offset + iter->run_width;
- if (iter->run)
- iter->run_x += iter->run->start_x_offset;
- }
-
- if (iter->run)
- {
- iter->run_width = pango_glyph_string_get_width (iter->run->glyphs);
- iter->end_x_offset = iter->run->end_x_offset;
- }
- else
- {
- /* The empty run at the end of a line */
- iter->run_width = 0;
- iter->end_x_offset = 0;
- }
+/**
+ * pango_layout_set_text:
+ * @layout: a `PangoLayout`
+ * @text: the text
+ * @length: maximum length of @text, in bytes. -1 indicates that
+ * the string is nul-terminated
+ *
+ * Sets the text of the layout.
+ */
+void
+pango_layout_set_text (PangoLayout *layout,
+ const char *text,
+ int length)
+{
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- if (iter->run)
- iter->ltr = (iter->run->item->analysis.level % 2) == 0;
- else
- iter->ltr = TRUE;
+ if (length < 0)
+ length = strlen (text);
- iter->cluster_start = 0;
- iter->cluster_x = iter->run_x;
+ g_free (layout->text);
+ layout->text = g_strndup (text, length);
+ layout->length = length;
- if (iter->run)
- {
- update_cluster (iter, iter->run->glyphs->log_clusters[0]);
- }
- else
- {
- iter->cluster_width = 0;
- iter->character_position = 0;
- iter->cluster_num_chars = 0;
- iter->index = run_start_index;
- }
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_TEXT]);
+ layout_changed (layout);
}
/**
- * pango_layout_iter_copy:
- * @iter: (nullable): a `PangoLayoutIter`
+ * pango_layout_get_text:
+ * @layout: a `PangoLayout`
*
- * Copies a `PangoLayoutIter`.
+ * Gets the text in the layout.
*
- * Return value: (nullable): the newly allocated `PangoLayoutIter`
+ * The returned text should not be freed or modified.
*
- * Since: 1.20
+ * Return value: (transfer none): the text in the @layout
*/
-PangoLayoutIter *
-pango_layout_iter_copy (PangoLayoutIter *iter)
+const char *
+pango_layout_get_text (PangoLayout *layout)
{
- PangoLayoutIter *new;
-
- if (iter == NULL)
- return NULL;
-
- new = g_slice_new (PangoLayoutIter);
-
- new->layout = g_object_ref (iter->layout);
- new->line_list_link = iter->line_list_link;
- new->line = iter->line;
- pango_layout_line_ref (new->line);
-
- new->run_list_link = iter->run_list_link;
- new->run = iter->run;
- new->index = iter->index;
-
- new->line_extents = NULL;
- if (iter->line_extents != NULL)
- {
- new->line_extents = g_memdup2 (iter->line_extents,
- iter->layout->line_count * sizeof (Extents));
-
- }
- new->line_index = iter->line_index;
-
- new->run_x = iter->run_x;
- new->run_width = iter->run_width;
- new->ltr = iter->ltr;
-
- new->cluster_x = iter->cluster_x;
- new->cluster_width = iter->cluster_width;
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
- new->cluster_start = iter->cluster_start;
- new->next_cluster_glyph = iter->next_cluster_glyph;
+ return layout->text;
+}
- new->cluster_num_chars = iter->cluster_num_chars;
- new->character_position = iter->character_position;
+/**
+ * pango_layout_set_attributes:
+ * @layout: a `PangoLayout`
+ * @attrs: (nullable) (transfer none): a `PangoAttrList`
+ *
+ * Sets the attributes for a layout object.
+ *
+ * References @attrs, so the caller can unref its reference.
+ */
+void
+pango_layout_set_attributes (PangoLayout *layout,
+ PangoAttrList *attrs)
+{
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- new->layout_width = iter->layout_width;
+ g_clear_pointer (&layout->attrs, pango_attr_list_unref);
+ layout->attrs = attrs;
+ if (layout->attrs)
+ pango_attr_list_ref (layout->attrs);
- return new;
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_ATTRIBUTES]);
+ layout_changed (layout);
}
-G_DEFINE_BOXED_TYPE (PangoLayoutIter, pango_layout_iter,
- pango_layout_iter_copy,
- pango_layout_iter_free);
-
/**
- * pango_layout_get_iter:
+ * pango_layout_get_attributes:
* @layout: a `PangoLayout`
*
- * Returns an iterator to iterate over the visual extents of the layout.
+ * Gets the attribute list for the layout, if any.
*
- * Return value: the new `PangoLayoutIter`
+ * Return value: (transfer none) (nullable): a `PangoAttrList`
*/
-PangoLayoutIter*
-pango_layout_get_iter (PangoLayout *layout)
+PangoAttrList *
+pango_layout_get_attributes (PangoLayout *layout)
{
- PangoLayoutIter *iter;
-
g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
- iter = g_slice_new (PangoLayoutIter);
-
- _pango_layout_get_iter (layout, iter);
-
- return iter;
+ return layout->attrs;
}
+/**
+ * pango_layout_set_font_description:
+ * @layout: a `PangoLayout`
+ * @desc: (nullable): the new `PangoFontDescription`
+ *
+ * Sets the default font description for the layout.
+ *
+ * If no font description is set on the layout, the
+ * font description from the layout's context is used.
+ *
+ * This method is a shorthand for adding a font-desc attribute.
+ */
void
-_pango_layout_get_iter (PangoLayout *layout,
- PangoLayoutIter*iter)
+pango_layout_set_font_description (PangoLayout *layout,
+ const PangoFontDescription *desc)
{
- int run_start_index;
-
g_return_if_fail (PANGO_IS_LAYOUT (layout));
- iter->layout = g_object_ref (layout);
-
- pango_layout_check_lines (layout);
-
- iter->line_list_link = layout->lines;
- iter->line = iter->line_list_link->data;
- pango_layout_line_ref (iter->line);
-
- run_start_index = iter->line->start_index;
- iter->run_list_link = iter->line->runs;
-
- if (iter->run_list_link)
+ if (desc != layout->font_desc &&
+ (!desc || !layout->font_desc || !pango_font_description_equal (desc, layout->font_desc)))
{
- iter->run = iter->run_list_link->data;
- run_start_index = iter->run->item->offset;
- }
- else
- iter->run = NULL;
-
- iter->line_extents = NULL;
+ if (layout->font_desc)
+ pango_font_description_free (layout->font_desc);
- if (layout->width == -1)
- {
- PangoRectangle logical_rect;
+ layout->font_desc = desc ? pango_font_description_copy (desc) : NULL;
- pango_layout_get_extents_internal (layout,
- NULL,
- &logical_rect,
- &iter->line_extents);
- iter->layout_width = logical_rect.width;
- }
- else
- {
- pango_layout_get_extents_internal (layout,
- NULL,
- NULL,
- &iter->line_extents);
- iter->layout_width = layout->width;
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_FONT_DESCRIPTION]);
+ layout_changed (layout);
}
- iter->line_index = 0;
-
- update_run (iter, run_start_index);
}
-void
-_pango_layout_iter_destroy (PangoLayoutIter *iter)
+/**
+ * pango_layout_get_font_description:
+ * @layout: a `PangoLayout`
+ *
+ * Gets the font description for the layout, if any.
+ *
+ * Return value: (transfer none) (nullable): a pointer to the
+ * layout's font description, or %NULL if the font description
+ * from the layout's context is inherited.
+ *
+ * Since: 1.8
+ */
+const PangoFontDescription *
+pango_layout_get_font_description (PangoLayout *layout)
{
- if (iter == NULL)
- return;
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
- g_free (iter->line_extents);
- pango_layout_line_unref (iter->line);
- g_object_unref (iter->layout);
+ return layout->font_desc;
}
/**
- * pango_layout_iter_free:
- * @iter: (nullable): a `PangoLayoutIter`, may be %NULL
+ * pango_layout_set_line_spacing:
+ * @layout: a `PangoLayout`
+ * @line_spacing: the new line spacing factor
+ *
+ * Sets a factor for line spacing.
*
- * Frees an iterator that's no longer in use.
- **/
+ * Typical values are: 0, 1, 1.5, 2. The default values is 0.
+ *
+ * If @line_spacing is non-zero, lines are placed so that
+ *
+ * baseline2 = baseline1 + factor * height2
+ *
+ * where height2 is the line height of the second line (as determined
+ * by the font).
+ *
+ * This method is a shorthand for adding a line-height attribute.
+ */
void
-pango_layout_iter_free (PangoLayoutIter *iter)
+pango_layout_set_line_spacing (PangoLayout *layout,
+ float line_spacing)
{
- if (iter == NULL)
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
+
+ if (layout->line_spacing == line_spacing)
return;
- _pango_layout_iter_destroy (iter);
- g_slice_free (PangoLayoutIter, iter);
+ layout->line_spacing = line_spacing;
+
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_LINE_SPACING]);
+ layout_changed (layout);
}
/**
- * pango_layout_iter_get_index:
- * @iter: a `PangoLayoutIter`
- *
- * Gets the current byte index.
+ * pango_layout_get_line_spacing:
+ * @layout: a `PangoLayout`
*
- * Note that iterating forward by char moves in visual order,
- * not logical order, so indexes may not be sequential. Also,
- * the index may be equal to the length of the text in the
- * layout, if on the %NULL run (see [method@Pango.LayoutIter.get_run]).
+ * Gets the line spacing factor of @layout.
*
- * Return value: current byte index
+ * See [method@Pango.Layout.set_line_spacing].
*/
-int
-pango_layout_iter_get_index (PangoLayoutIter *iter)
+float
+pango_layout_get_line_spacing (PangoLayout *layout)
{
- if (ITER_IS_INVALID (iter))
- return 0;
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), 0.0);
- return iter->index;
+ return layout->line_spacing;
}
/**
- * pango_layout_iter_get_run:
- * @iter: a `PangoLayoutIter`
- *
- * Gets the current run.
- *
- * When iterating by run, at the end of each line, there's a position
- * with a %NULL run, so this function can return %NULL. The %NULL run
- * at the end of each line ensures that all lines have at least one run,
- * even lines consisting of only a newline.
+ * pango_layout_set_width:
+ * @layout: a `PangoLayout`.
+ * @width: the desired width in Pango units, or -1 to indicate that no
+ * wrapping or ellipsization should be performed.
*
- * Use the faster [method@Pango.LayoutIter.get_run_readonly] if you do not
- * plan to modify the contents of the run (glyphs, glyph widths, etc.).
+ * Sets the width to which the lines of the layout should
+ * be wrapped or ellipsized.
*
- * Return value: (transfer none) (nullable): the current run
+ * The default value is -1: no width set.
*/
-PangoLayoutRun*
-pango_layout_iter_get_run (PangoLayoutIter *iter)
+void
+pango_layout_set_width (PangoLayout *layout,
+ int width)
{
- if (ITER_IS_INVALID (iter))
- return NULL;
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- pango_layout_line_leaked (iter->line);
+ if (width < -1)
+ width = -1;
+
+ if (layout->width == width)
+ return;
+
+ layout->width = width;
- return iter->run;
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_WIDTH]);
+ layout_changed (layout);
}
/**
- * pango_layout_iter_get_run_readonly:
- * @iter: a `PangoLayoutIter`
+ * pango_layout_get_width:
+ * @layout: a `PangoLayout`
*
- * Gets the current run for read-only access.
+ * Gets the width to which the lines of the layout should wrap.
*
- * When iterating by run, at the end of each line, there's a position
- * with a %NULL run, so this function can return %NULL. The %NULL run
- * at the end of each line ensures that all lines have at least one run,
- * even lines consisting of only a newline.
+ * Return value: the width in Pango units, or -1 if no width set.
+ */
+int
+pango_layout_get_width (PangoLayout *layout)
+{
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), -1);
+
+ return layout->width;
+}
+
+/**
+ * pango_layout_set_height:
+ * @layout: a `PangoLayout`.
+ * @height: the desired height
*
- * This is a faster alternative to [method@Pango.LayoutIter.get_run],
- * but the user is not expected to modify the contents of the run (glyphs,
- * glyph widths, etc.).
+ * Sets the height to which the `PangoLayout` should be ellipsized at.
*
- * Return value: (transfer none) (nullable): the current run, that
- * should not be modified
+ * There are two different behaviors, based on whether @height is positive
+ * or negative.
*
- * Since: 1.16
+ * See [property@Pango.Layout:height] for details.
*/
-PangoLayoutRun*
-pango_layout_iter_get_run_readonly (PangoLayoutIter *iter)
+void
+pango_layout_set_height (PangoLayout *layout,
+ int height)
{
- if (ITER_IS_INVALID (iter))
- return NULL;
-
- pango_layout_line_leaked (iter->line);
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- return iter->run;
-}
+ if (layout->height == height)
+ return;
-/* an inline-able version for local use */
-static PangoLayoutLine*
-_pango_layout_iter_get_line (PangoLayoutIter *iter)
-{
- return iter->line;
-}
+ layout->height = height;
-static PangoLayoutRun *
-_pango_layout_iter_get_run (PangoLayoutIter *iter)
-{
- return iter->run;
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_HEIGHT]);
+ layout_changed (layout);
}
/**
- * pango_layout_iter_get_line:
- * @iter: a `PangoLayoutIter`
+ * pango_layout_get_height:
+ * @layout: a `PangoLayout`
*
- * Gets the current line.
+ * Gets the height to which the lines of the layout should ellipsize.
*
- * Use the faster [method@Pango.LayoutIter.get_line_readonly] if
- * you do not plan to modify the contents of the line (glyphs,
- * glyph widths, etc.).
+ * See [property@Pango.Layout:height] for details.
*
- * Return value: (transfer none): the current line
+ * Return value: the height
*/
-PangoLayoutLine*
-pango_layout_iter_get_line (PangoLayoutIter *iter)
+int
+pango_layout_get_height (PangoLayout *layout)
{
- if (ITER_IS_INVALID (iter))
- return NULL;
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), -1);
- pango_layout_line_leaked (iter->line);
-
- return iter->line;
+ return layout->height;
}
/**
- * pango_layout_iter_get_line_readonly:
- * @iter: a `PangoLayoutIter`
- *
- * Gets the current line for read-only access.
+ * pango_layout_set_tabs:
+ * @layout: a `PangoLayout`
+ * @tabs: (nullable): a `PangoTabArray`
*
- * This is a faster alternative to [method@Pango.LayoutIter.get_line],
- * but the user is not expected to modify the contents of the line
- * (glyphs, glyph widths, etc.).
+ * Sets the tabs to use for the layout, overriding the
+ * default tabs.
*
- * Return value: (transfer none): the current line, that should not be
- * modified
+ * Setting the tabs to `NULL` reinstates the default
+ * tabs.
*
- * Since: 1.16
+ * See [method@Pango.LineBreaker.set_tabs] for details.
*/
-PangoLayoutLine*
-pango_layout_iter_get_line_readonly (PangoLayoutIter *iter)
+void
+pango_layout_set_tabs (PangoLayout *layout,
+ PangoTabArray *tabs)
{
- if (ITER_IS_INVALID (iter))
- return NULL;
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
+
+ if (layout->tabs == tabs)
+ return;
- return iter->line;
+ g_clear_pointer (&layout->tabs, pango_tab_array_free);
+ if (tabs)
+ layout->tabs = pango_tab_array_copy (tabs);
+
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_TABS]);
+ layout_changed (layout);
}
/**
- * pango_layout_iter_at_last_line:
- * @iter: a `PangoLayoutIter`
+ * pango_layout_get_tabs:
+ * @layout: a `PangoLayout`
*
- * Determines whether @iter is on the last line of the layout.
+ * Gets the current `PangoTabArray` used by this layout.
+ *
+ * If no `PangoTabArray` has been set, then the default tabs are
+ * in use and %NULL is returned. Default tabs are every 8 spaces.
*
- * Return value: %TRUE if @iter is on the last line
+ * Return value: (transfer none) (nullable): the tabs for this layout
*/
-gboolean
-pango_layout_iter_at_last_line (PangoLayoutIter *iter)
+PangoTabArray *
+pango_layout_get_tabs (PangoLayout *layout)
{
- if (ITER_IS_INVALID (iter))
- return FALSE;
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
- return iter->line_index == iter->layout->line_count - 1;
+ return layout->tabs;
}
/**
- * pango_layout_iter_get_layout:
- * @iter: a `PangoLayoutIter`
+ * pango_layout_set_single_paragraph:
+ * @layout: a `PangoLayout`
+ * @single_paragraph: the new setting
+ *
+ * Sets the single paragraph mode of the layout.
*
- * Gets the layout associated with a `PangoLayoutIter`.
+ * If @single_paragraph is `TRUE`, do not treat newlines and similar
+ * characters as paragraph separators; instead, keep all text in a
+ * single paragraph, and display a glyph for paragraph separator
+ * characters.
*
- * Return value: (transfer none): the layout associated with @iter
+ * Used when you want to allow editing of newlines on a single text line.
*
- * Since: 1.20
+ * The default value is %FALSE.
*/
-PangoLayout*
-pango_layout_iter_get_layout (PangoLayoutIter *iter)
+void
+pango_layout_set_single_paragraph (PangoLayout *layout,
+ gboolean single_paragraph)
{
- /* check is redundant as it simply checks that iter->layout is not NULL */
- if (ITER_IS_INVALID (iter))
- return NULL;
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- return iter->layout;
-}
+ if (layout->single_paragraph == single_paragraph)
+ return;
-static gboolean
-line_is_terminated (PangoLayoutIter *iter)
-{
- /* There is a real terminator at the end of each paragraph other
- * than the last.
- */
- if (iter->line_list_link->next)
- {
- PangoLayoutLine *next_line = iter->line_list_link->next->data;
- if (next_line->is_paragraph_start)
- return TRUE;
- }
+ layout->single_paragraph = single_paragraph;
- return FALSE;
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_SINGLE_PARAGRAPH]);
+ layout_changed (layout);
}
-/* Moves to the next non-empty line. If @include_terminators
- * is set, a line with just an explicit paragraph separator
- * is considered non-empty.
+/**
+ * pango_layout_get_single_paragraph:
+ * @layout: a `PangoLayout`
+ *
+ * Obtains whether this layout is in single paragraph mode.
+ *
+ * See [method@Pango.Layout.set_single_paragraph].
+ *
+ * Return value: `TRUE` if the layout does not break paragraphs
+ * at paragraph separator characters, %FALSE otherwise
*/
-static gboolean
-next_nonempty_line (PangoLayoutIter *iter,
- gboolean include_terminators)
+gboolean
+pango_layout_get_single_paragraph (PangoLayout *layout)
{
- gboolean result;
-
- while (TRUE)
- {
- result = pango_layout_iter_next_line (iter);
- if (!result)
- break;
-
- if (iter->line->runs)
- break;
-
- if (include_terminators && line_is_terminated (iter))
- break;
- }
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), FALSE);
- return result;
+ return layout->single_paragraph;
}
-/* Moves to the next non-empty run. If @include_terminators
- * is set, the trailing run at the end of a line with an explicit
- * paragraph separator is considered non-empty.
+/**
+ * pango_layout_set_wrap:
+ * @layout: a `PangoLayout`
+ * @wrap: the wrap mode
+ *
+ * Sets the wrap mode.
+ *
+ * The wrap mode only has effect if a width is set on the layout
+ * with [method@Pango.Layout.set_width]. To turn off wrapping,
+ * set the width to -1.
+ *
+ * The default value is %PANGO_WRAP_WORD.
*/
-static gboolean
-next_nonempty_run (PangoLayoutIter *iter,
- gboolean include_terminators)
+void
+pango_layout_set_wrap (PangoLayout *layout,
+ PangoWrapMode wrap)
{
- gboolean result;
-
- while (TRUE)
- {
- result = pango_layout_iter_next_run (iter);
- if (!result)
- break;
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- if (iter->run)
- break;
+ if (layout->wrap == wrap)
+ return;
- if (include_terminators && line_is_terminated (iter))
- break;
- }
+ layout->wrap = wrap;
- return result;
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_WRAP]);
+ layout_changed (layout);
}
-/* Like pango_layout_next_cluster(), but if @include_terminators
- * is set, includes the fake runs/clusters for empty lines.
- * (But not positions introduced by line wrapping).
+/**
+ * pango_layout_get_wrap:
+ * @layout: a `PangoLayout`
+ *
+ * Gets the wrap mode for the layout.
+ *
+ * Return value: active wrap mode.
*/
-static gboolean
-next_cluster_internal (PangoLayoutIter *iter,
- gboolean include_terminators)
+PangoWrapMode
+pango_layout_get_wrap (PangoLayout *layout)
{
- PangoGlyphString *gs;
- int next_start;
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), PANGO_WRAP_WORD);
- if (ITER_IS_INVALID (iter))
- return FALSE;
-
- if (iter->run == NULL)
- return next_nonempty_line (iter, include_terminators);
-
- gs = iter->run->glyphs;
-
- next_start = iter->next_cluster_glyph;
- if (next_start == gs->num_glyphs)
- {
- return next_nonempty_run (iter, include_terminators);
- }
- else
- {
- iter->cluster_start = next_start;
- iter->cluster_x += iter->cluster_width;
- update_cluster(iter, gs->log_clusters[iter->cluster_start]);
-
- return TRUE;
- }
+ return layout->wrap;
}
/**
- * pango_layout_iter_next_char:
- * @iter: a `PangoLayoutIter`
+ * pango_layout_set_indent:
+ * @layout: a `PangoLayout`
+ * @indent: the amount by which to indent
*
- * Moves @iter forward to the next character in visual order.
+ * Sets the width in Pango units to indent each paragraph.
*
- * If @iter was already at the end of the layout, returns %FALSE.
+ * A negative value of @indent will produce a hanging indentation.
+ * That is, the first line will have the full width, and subsequent
+ * lines will be indented by the absolute value of @indent.
*
- * Return value: whether motion was possible
+ * The default value is 0.
*/
-gboolean
-pango_layout_iter_next_char (PangoLayoutIter *iter)
+void
+pango_layout_set_indent (PangoLayout *layout,
+ int indent)
{
- const char *text;
-
- if (ITER_IS_INVALID (iter))
- return FALSE;
-
- if (iter->run == NULL)
- {
- /* We need to fake an iterator position in the middle of a \r\n line terminator */
- if (line_is_terminated (iter) &&
- strncmp (iter->layout->text + iter->line->start_index + iter->line->length, "\r\n", 2) == 0 &&
- iter->character_position == 0)
- {
- iter->character_position++;
- return TRUE;
- }
-
- return next_nonempty_line (iter, TRUE);
- }
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- iter->character_position++;
- if (iter->character_position >= iter->cluster_num_chars)
- return next_cluster_internal (iter, TRUE);
+ if (layout->indent == indent)
+ return;
- text = iter->layout->text;
- if (iter->ltr)
- iter->index = g_utf8_next_char (text + iter->index) - text;
- else
- iter->index = g_utf8_prev_char (text + iter->index) - text;
+ layout->indent = indent;
- return TRUE;
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_INDENT]);
+ layout_changed (layout);
}
/**
- * pango_layout_iter_next_cluster:
- * @iter: a `PangoLayoutIter`
+ * pango_layout_get_indent:
+ * @layout: a `PangoLayout`
*
- * Moves @iter forward to the next cluster in visual order.
+ * Gets the paragraph indent width in Pango units.
*
- * If @iter was already at the end of the layout, returns %FALSE.
+ * A negative value indicates a hanging indentation.
*
- * Return value: whether motion was possible
+ * Return value: the indent in Pango units
*/
-gboolean
-pango_layout_iter_next_cluster (PangoLayoutIter *iter)
+int
+pango_layout_get_indent (PangoLayout *layout)
{
- return next_cluster_internal (iter, FALSE);
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), 0);
+
+ return layout->indent;
}
/**
- * pango_layout_iter_next_run:
- * @iter: a `PangoLayoutIter`
+ * pango_layout_set_alignment:
+ * @layout: a `PangoLayout`
+ * @alignment: the alignment
*
- * Moves @iter forward to the next run in visual order.
+ * Sets the alignment for the layout.
*
- * If @iter was already at the end of the layout, returns %FALSE.
+ * The alignment determines how short lines are
+ * positioned within the available horizontal space.
*
- * Return value: whether motion was possible
+ * The default alignment is `PANGO_ALIGN_LEFT`.
*/
-gboolean
-pango_layout_iter_next_run (PangoLayoutIter *iter)
+void
+pango_layout_set_alignment (PangoLayout *layout,
+ PangoAlignment alignment)
{
- int next_run_start; /* byte index */
- GSList *next_link;
-
- if (ITER_IS_INVALID (iter))
- return FALSE;
-
- if (iter->run == NULL)
- return pango_layout_iter_next_line (iter);
-
- next_link = iter->run_list_link->next;
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- if (next_link == NULL)
- {
- /* Moving on to the zero-width "virtual run" at the end of each
- * line
- */
- next_run_start = iter->run->item->offset + iter->run->item->length;
- iter->run = NULL;
- iter->run_list_link = NULL;
- }
- else
- {
- iter->run_list_link = next_link;
- iter->run = iter->run_list_link->data;
- next_run_start = iter->run->item->offset;
- }
+ if (layout->alignment == alignment)
+ return;
- update_run (iter, next_run_start);
+ layout->alignment = alignment;
- return TRUE;
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_ALIGNMENT]);
+ layout_changed (layout);
}
/**
- * pango_layout_iter_next_line:
- * @iter: a `PangoLayoutIter`
+ * pango_layout_get_alignment:
+ * @layout: a `PangoLayout`
*
- * Moves @iter forward to the start of the next line.
+ * Gets the alignment for the layout.
*
- * If @iter is already on the last line, returns %FALSE.
+ * The alignment determines how short lines are
+ * positioned within the available horizontal space.
*
- * Return value: whether motion was possible
+ * Return value: the alignment
*/
-gboolean
-pango_layout_iter_next_line (PangoLayoutIter *iter)
+PangoAlignment
+pango_layout_get_alignment (PangoLayout *layout)
{
- GSList *next_link;
-
- if (ITER_IS_INVALID (iter))
- return FALSE;
-
- next_link = iter->line_list_link->next;
-
- if (next_link == NULL)
- return FALSE;
-
- iter->line_list_link = next_link;
-
- pango_layout_line_unref (iter->line);
-
- iter->line = iter->line_list_link->data;
-
- pango_layout_line_ref (iter->line);
-
- iter->run_list_link = iter->line->runs;
-
- if (iter->run_list_link)
- iter->run = iter->run_list_link->data;
- else
- iter->run = NULL;
-
- iter->line_index ++;
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), PANGO_ALIGN_LEFT);
- update_run (iter, iter->line->start_index);
-
- return TRUE;
+ return layout->alignment;
}
/**
- * pango_layout_iter_get_char_extents:
- * @iter: a `PangoLayoutIter`
- * @logical_rect: (out caller-allocates): rectangle to fill with
- * logical extents
+ * pango_layout_set_ellipsize:
+ * @layout: a `PangoLayout`
+ * @ellipsize: the new ellipsization mode for @layout
*
- * Gets the extents of the current character, in layout coordinates.
+ * Sets the type of ellipsization to use for this layout.
*
- * Layout coordinates have the origin at the top left of the entire layout.
+ * Depending on the ellipsization mode @ellipsize text is removed
+ * from the start, middle, or end of text so they fit within the
+ * width of layout set with [method@Pango.Layout.set_width].
*
- * Only logical extents can sensibly be obtained for characters;
- * ink extents make sense only down to the level of clusters.
+ * The default value is `PANGO_ELLIPSIZE_NONE`.
*/
void
-pango_layout_iter_get_char_extents (PangoLayoutIter *iter,
- PangoRectangle *logical_rect)
+pango_layout_set_ellipsize (PangoLayout *layout,
+ PangoEllipsizeMode ellipsize)
{
- PangoRectangle cluster_rect;
- int x0, x1;
-
- if (ITER_IS_INVALID (iter))
- return;
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- if (logical_rect == NULL)
+ if (layout->ellipsize == ellipsize)
return;
- pango_layout_iter_get_cluster_extents (iter, NULL, &cluster_rect);
-
- if (iter->run == NULL)
- {
- /* When on the NULL run, cluster, char, and run all have the
- * same extents
- */
- *logical_rect = cluster_rect;
- return;
- }
+ layout->ellipsize = ellipsize;
- if (iter->cluster_num_chars)
- {
- x0 = (iter->character_position * cluster_rect.width) / iter->cluster_num_chars;
- x1 = ((iter->character_position + 1) * cluster_rect.width) / iter->cluster_num_chars;
- }
- else
- {
- x0 = x1 = 0;
- }
-
- logical_rect->width = x1 - x0;
- logical_rect->height = cluster_rect.height;
- logical_rect->y = cluster_rect.y;
- logical_rect->x = cluster_rect.x + x0;
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_ELLIPSIZE]);
+ layout_changed (layout);
}
/**
- * pango_layout_iter_get_cluster_extents:
- * @iter: a `PangoLayoutIter`
- * @ink_rect: (out) (optional): rectangle to fill with ink extents
- * @logical_rect: (out) (optional): rectangle to fill with logical extents
+ * pango_layout_get_ellipsize:
+ * @layout: a `PangoLayout`
*
- * Gets the extents of the current cluster, in layout coordinates.
+ * Gets the type of ellipsization being performed for @layout.
+ *
+ * See [method@Pango.Layout.set_ellipsize].
*
- * Layout coordinates have the origin at the top left of the entire layout.
+ * Return value: the current ellipsization mode for @layout
*/
-void
-pango_layout_iter_get_cluster_extents (PangoLayoutIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect)
+PangoEllipsizeMode
+pango_layout_get_ellipsize (PangoLayout *layout)
{
- if (ITER_IS_INVALID (iter))
- return;
-
- if (iter->run == NULL)
- {
- /* When on the NULL run, cluster, char, and run all have the
- * same extents
- */
- pango_layout_iter_get_run_extents (iter, ink_rect, logical_rect);
- return;
- }
-
- pango_glyph_string_extents_range (iter->run->glyphs,
- iter->cluster_start,
- iter->next_cluster_glyph,
- iter->run->item->analysis.font,
- ink_rect,
- logical_rect);
-
- if (ink_rect)
- {
- ink_rect->x += iter->cluster_x + iter->run->start_x_offset;
- ink_rect->y -= iter->run->y_offset;
- offset_y (iter, &ink_rect->y);
- }
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), PANGO_ELLIPSIZE_NONE);
- if (logical_rect)
- {
- g_assert (logical_rect->width == iter->cluster_width);
- logical_rect->x += iter->cluster_x + iter->run->start_x_offset;
- logical_rect->y -= iter->run->y_offset;
- offset_y (iter, &logical_rect->y);
- }
+ return layout->ellipsize;
}
/**
- * pango_layout_iter_get_run_extents:
- * @iter: a `PangoLayoutIter`
- * @ink_rect: (out) (optional): rectangle to fill with ink extents
- * @logical_rect: (out) (optional): rectangle to fill with logical extents
+ * pango_layout_set_auto_dir:
+ * @layout: a `PangoLayout`
+ * @auto_dir: if %TRUE, compute the bidirectional base direction
+ * from the layout's contents
+ *
+ * Sets whether to calculate the base direction
+ * for the layout according to its contents.
+ *
+ * When this flag is on (the default), then paragraphs in
+ * @layout that begin with strong right-to-left characters
+ * (Arabic and Hebrew principally), will have right-to-left
+ * layout, paragraphs with letters from other scripts will
+ * have left-to-right layout. Paragraphs with only neutral
+ * characters get their direction from the surrounding
+ * paragraphs.
*
- * Gets the extents of the current run in layout coordinates.
+ * When `FALSE`, the choice between left-to-right and right-to-left
+ * layout is done according to the base direction of the layout's
+ * `PangoContext`. (See [method@Pango.Context.set_base_dir]).
*
- * Layout coordinates have the origin at the top left of the entire layout.
+ * When the auto-computed direction of a paragraph differs
+ * from the base direction of the context, the interpretation
+ * of `PANGO_ALIGN_LEFT` and `PANGO_ALIGN_RIGHT` are swapped.
*/
void
-pango_layout_iter_get_run_extents (PangoLayoutIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect)
+pango_layout_set_auto_dir (PangoLayout *layout,
+ gboolean auto_dir)
{
- if (G_UNLIKELY (!ink_rect && !logical_rect))
- return;
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
- if (ITER_IS_INVALID (iter))
+ if (auto_dir == layout->auto_dir)
return;
- if (iter->run)
- {
- pango_layout_run_get_extents_and_height (iter->run, ink_rect, logical_rect, NULL, NULL);
-
- if (ink_rect)
- {
- offset_y (iter, &ink_rect->y);
- ink_rect->x += iter->run_x;
- }
-
- if (logical_rect)
- {
- offset_y (iter, &logical_rect->y);
- logical_rect->x += iter->run_x;
- }
- }
- else
- {
- if (iter->line->runs)
- {
- /* The empty run at the end of a non-empty line */
- PangoLayoutRun *run = g_slist_last (iter->line->runs)->data;
- pango_layout_run_get_extents_and_height (run, ink_rect, logical_rect, NULL, NULL);
- }
- else
- {
- PangoRectangle r;
-
- pango_layout_get_empty_extents_and_height_at_index (iter->layout, 0, &r, FALSE, NULL);
-
- if (ink_rect)
- *ink_rect = r;
+ layout->auto_dir = auto_dir;
- if (logical_rect)
- *logical_rect = r;
- }
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_AUTO_DIR]);
+ layout_changed (layout);
+}
- if (ink_rect)
- {
- offset_y (iter, &ink_rect->y);
- ink_rect->x = iter->run_x;
- ink_rect->width = 0;
- }
+/**
+ * pango_layout_get_auto_dir:
+ * @layout: a `PangoLayout`
+ *
+ * Gets whether to calculate the base direction for the layout
+ * according to its contents.
+ *
+ * See [method@Pango.Layout.set_auto_dir].
+ *
+ * Return value: `TRUE` if the bidirectional base direction
+ * is computed from the layout's contents, `FALSE` otherwise
+ */
+gboolean
+pango_layout_get_auto_dir (PangoLayout *layout)
+{
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), TRUE);
- if (logical_rect)
- {
- offset_y (iter, &logical_rect->y);
- logical_rect->x = iter->run_x;
- logical_rect->width = 0;
- }
- }
+ return layout->auto_dir;
}
+/* }}} */
+/* {{{ Miscellaneous */
+
/**
- * pango_layout_iter_get_line_extents:
- * @iter: a `PangoLayoutIter`
- * @ink_rect: (out) (optional): rectangle to fill with ink extents
- * @logical_rect: (out) (optional): rectangle to fill with logical extents
+ * pango_layout_set_markup:
+ * @layout: a `PangoLayout`
+ * @markup: marked-up text
+ * @length: length of @markup in bytes, or -1 if it is `NUL`-terminated
+ *
+ * Sets the layout text and attribute list from marked-up text.
*
- * Obtains the extents of the current line.
+ * See [Pango Markup](pango_markup.html)).
*
- * Extents are in layout coordinates (origin is the top-left corner
- * of the entire `PangoLayout`). Thus the extents returned by this
- * function will be the same width/height but not at the same x/y
- * as the extents returned from [method@Pango.LayoutLine.get_extents].
+ * Replaces the current text and attributes.
*/
void
-pango_layout_iter_get_line_extents (PangoLayoutIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect)
+pango_layout_set_markup (PangoLayout *layout,
+ const char *markup,
+ int length)
{
- const Extents *ext;
-
- if (ITER_IS_INVALID (iter))
- return;
+ PangoAttrList *attrs;
+ char *text;
+ GError *error = NULL;
- ext = &iter->line_extents[iter->line_index];
+ g_return_if_fail (PANGO_IS_LAYOUT (layout));
+ g_return_if_fail (markup != NULL);
- if (ink_rect)
+ if (!pango_parse_markup (markup, length, 0, &attrs, &text, NULL, &error))
{
- get_line_extents_layout_coords (iter->layout, iter->line,
- iter->layout_width,
- ext->logical_rect.y,
- NULL,
- ink_rect,
- NULL);
+ g_warning ("pango_layout_set_markup_with_accel: %s", error->message);
+ g_error_free (error);
+ return;
}
- if (logical_rect)
- *logical_rect = ext->logical_rect;
+ g_free (layout->text);
+ layout->text = text;
+ layout->length = strlen (text);
+
+ g_clear_pointer (&layout->attrs, pango_attr_list_unref);
+ layout->attrs = attrs;
+
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_TEXT]);
+ g_object_notify_by_pspec (G_OBJECT (layout), props[PROP_ATTRIBUTES]);
+ layout_changed (layout);
}
/**
- * pango_layout_iter_get_line_yrange:
- * @iter: a `PangoLayoutIter`
- * @y0_: (out) (optional): start of line
- * @y1_: (out) (optional): end of line
- *
- * Divides the vertical space in the `PangoLayout` being iterated over
- * between the lines in the layout, and returns the space belonging to
- * the current line.
+ * pango_layout_get_character_count:
+ * @layout: a `PangoLayout`
*
- * A line's range includes the line's logical extents. plus half of the
- * spacing above and below the line, if [method@Pango.Layout.set_spacing]
- * has been called to set layout spacing. The Y positions are in layout
- * coordinates (origin at top left of the entire layout).
+ * Returns the number of Unicode characters in the
+ * the text of the layout.
*
- * Note: Since 1.44, Pango uses line heights for placing lines, and there
- * may be gaps between the ranges returned by this function.
+ * Return value: the number of Unicode characters in @layout
*/
-void
-pango_layout_iter_get_line_yrange (PangoLayoutIter *iter,
- int *y0,
- int *y1)
+int
+pango_layout_get_character_count (PangoLayout *layout)
{
- const Extents *ext;
- int half_spacing;
+ PangoLine *line;
- if (ITER_IS_INVALID (iter))
- return;
-
- ext = &iter->line_extents[iter->line_index];
-
- half_spacing = iter->layout->spacing / 2;
-
- /* Note that if layout->spacing is odd, the remainder spacing goes
- * above the line (this is pretty arbitrary of course)
- */
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), 0);
- if (y0)
- {
- /* No spacing above the first line */
+ ensure_lines (layout);
- if (iter->line_index == 0)
- *y0 = ext->logical_rect.y;
- else
- *y0 = ext->logical_rect.y - (iter->layout->spacing - half_spacing);
- }
+ line = pango_lines_get_line (layout->lines, 0, NULL, NULL);
- if (y1)
- {
- /* No spacing below the last line */
- if (iter->line_index == iter->layout->line_count - 1)
- *y1 = ext->logical_rect.y + ext->logical_rect.height;
- else
- *y1 = ext->logical_rect.y + ext->logical_rect.height + half_spacing;
- }
+ return line->data->n_chars;
}
+/* }}} */
+/* {{{ Output getters */
+
/**
- * pango_layout_iter_get_baseline:
- * @iter: a `PangoLayoutIter`
+ * pango_layout_get_lines:
+ * @layout: a `PangoLayout`
*
- * Gets the Y position of the current line's baseline, in layout
- * coordinates.
+ * Gets the lines of the @layout.
*
- * Layout coordinates have the origin at the top left of the entire layout.
+ * The returned object will become invalid when any
+ * property of @layout is changed. Take a reference
+ * to keep it.
*
- * Return value: baseline of current line
+ * Return value: (transfer none): a `PangoLines` object
+ * with the lines of @layout
*/
-int
-pango_layout_iter_get_baseline (PangoLayoutIter *iter)
+PangoLines *
+pango_layout_get_lines (PangoLayout *layout)
{
- if (ITER_IS_INVALID (iter))
- return 0;
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
- return iter->line_extents[iter->line_index].baseline;
+ ensure_lines (layout);
+
+ return layout->lines;
}
/**
- * pango_layout_iter_get_run_baseline:
- * @iter: a `PangoLayoutIter`
- *
- * Gets the Y position of the current run's baseline, in layout
- * coordinates.
+ * pango_layout_get_log_attrs:
+ * @layout: a `PangoLayout`
+ * @n_attrs: (out): return location for the length of the array
*
- * Layout coordinates have the origin at the top left of the entire layout.
+ * Gets the `PangoLogAttr` array for the content
+ * of @layout.
*
- * The run baseline can be different from the line baseline, for
- * example due to superscript or subscript positioning.
+ * The returned array becomes invalid when
+ * any properties of @layout change. Make a
+ * copy if you want to keep it.
*
- * Since: 1.50
+ * Returns: (transfer none): the `PangoLogAttr` array
*/
-int
-pango_layout_iter_get_run_baseline (PangoLayoutIter *iter)
+const PangoLogAttr *
+pango_layout_get_log_attrs (PangoLayout *layout,
+ int *n_attrs)
{
- if (ITER_IS_INVALID (iter))
- return 0;
+ PangoLine *line;
- if (!iter->run)
- return iter->line_extents[iter->line_index].baseline;
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
+
+ ensure_lines (layout);
+
+ line = pango_lines_get_line (layout->lines, 0, NULL, NULL);
+
+ if (n_attrs)
+ *n_attrs = line->data->n_chars + 1;
- return iter->line_extents[iter->line_index].baseline - iter->run->y_offset;
+ return line->data->log_attrs;
}
/**
- * pango_layout_iter_get_layout_extents:
- * @iter: a `PangoLayoutIter`
- * @ink_rect: (out) (optional): rectangle to fill with ink extents
- * @logical_rect: (out) (optional): rectangle to fill with logical extents
+ * pango_layout_get_iter:
+ * @layout: a `PangoLayout`
+ *
+ * Returns an iterator to iterate over the visual extents
+ * of the layout.
*
- * Obtains the extents of the `PangoLayout` being iterated over.
+ * This is a convenience wrapper for [method@Pango.Lines.get_iter].
+ *
+ * Returns: the new `PangoLineIter`
*/
-void
-pango_layout_iter_get_layout_extents (PangoLayoutIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect)
+PangoLineIter *
+pango_layout_get_iter (PangoLayout *layout)
{
- if (ITER_IS_INVALID (iter))
- return;
+ g_return_val_if_fail (PANGO_IS_LAYOUT (layout), NULL);
+
+ ensure_lines (layout);
- pango_layout_get_extents (iter->layout, ink_rect, logical_rect);
+ return pango_lines_get_iter (layout->lines);
}
+
+/* }}} */
+/* }}} */
+
+/* vim:set foldmethod=marker expandtab: */
diff --git a/pango/pango-layout.h b/pango/pango-layout.h
index 45152848..0c3e7c02 100644
--- a/pango/pango-layout.h
+++ b/pango/pango-layout.h
@@ -1,322 +1,162 @@
-/* Pango
- * pango-layout.h: High-level layout driver
- *
- * Copyright (C) 2000 Red Hat Software
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-
-#ifndef __PANGO_LAYOUT_H__
-#define __PANGO_LAYOUT_H__
+#pragma once
+#include <glib-object.h>
#include <pango/pango-types.h>
#include <pango/pango-attributes.h>
-#include <pango/pango-context.h>
-#include <pango/pango-glyph-item.h>
+#include <pango/pango-lines.h>
#include <pango/pango-tabs.h>
G_BEGIN_DECLS
-typedef struct _PangoLayout PangoLayout;
-typedef struct _PangoLayoutClass PangoLayoutClass;
-typedef struct _PangoLayoutLine PangoLayoutLine;
-
-/**
- * PangoLayoutRun:
- *
- * A `PangoLayoutRun` represents a single run within a `PangoLayoutLine`.
- *
- * It is simply an alternate name for [struct@Pango.GlyphItem].
- * See the [struct@Pango.GlyphItem] docs for details on the fields.
- */
-typedef PangoGlyphItem PangoLayoutRun;
-
-/**
- * PangoLayoutLine:
- * @layout: (nullable): the layout this line belongs to, might be %NULL
- * @start_index: start of line as byte index into layout->text
- * @length: length of line in bytes
- * @runs: (nullable) (element-type Pango.LayoutRun): list of runs in the
- * line, from left to right
- * @is_paragraph_start: #TRUE if this is the first line of the paragraph
- * @resolved_dir: #Resolved PangoDirection of line
- *
- * A `PangoLayoutLine` represents one of the lines resulting from laying
- * out a paragraph via `PangoLayout`.
- *
- * `PangoLayoutLine` structures are obtained by calling
- * [method@Pango.Layout.get_line] and are only valid until the text,
- * attributes, or settings of the parent `PangoLayout` are modified.
- */
-struct _PangoLayoutLine
-{
- PangoLayout *layout;
- gint start_index; /* start of line as byte index into layout->text */
- gint length; /* length of line in bytes */
- GSList *runs;
- guint is_paragraph_start : 1; /* TRUE if this is the first line of the paragraph */
- guint resolved_dir : 3; /* Resolved PangoDirection of line */
-};
-
-#define PANGO_TYPE_LAYOUT (pango_layout_get_type ())
-#define PANGO_LAYOUT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_LAYOUT,
PangoLayout))
-#define PANGO_LAYOUT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_LAYOUT,
PangoLayoutClass))
-#define PANGO_IS_LAYOUT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_LAYOUT))
-#define PANGO_IS_LAYOUT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_LAYOUT))
-#define PANGO_LAYOUT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_LAYOUT,
PangoLayoutClass))
-
-/* The PangoLayout and PangoLayoutClass structs are private; if you
- * need to create a subclass of these, file a bug.
- */
+#define PANGO_TYPE_LAYOUT pango_layout_get_type ()
PANGO_AVAILABLE_IN_ALL
-GType pango_layout_get_type (void) G_GNUC_CONST;
+G_DECLARE_FINAL_TYPE (PangoLayout, pango_layout, PANGO, LAYOUT, GObject);
+
PANGO_AVAILABLE_IN_ALL
-PangoLayout *pango_layout_new (PangoContext *context);
+PangoLayout * pango_layout_new (PangoContext *context);
+
PANGO_AVAILABLE_IN_ALL
-PangoLayout *pango_layout_copy (PangoLayout *src);
+PangoLayout * pango_layout_copy (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-PangoContext *pango_layout_get_context (PangoLayout *layout);
+guint pango_layout_get_serial (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_attributes (PangoLayout *layout,
- PangoAttrList *attrs);
+PangoContext * pango_layout_get_context (PangoLayout *layout);
+
PANGO_AVAILABLE_IN_ALL
-PangoAttrList *pango_layout_get_attributes (PangoLayout *layout);
+void pango_layout_context_changed (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_text (PangoLayout *layout,
- const char *text,
- int length);
+void pango_layout_set_text (PangoLayout *layout,
+ const char *text,
+ int length);
PANGO_AVAILABLE_IN_ALL
-const char *pango_layout_get_text (PangoLayout *layout);
-
-PANGO_AVAILABLE_IN_1_30
-gint pango_layout_get_character_count (PangoLayout *layout);
+const char * pango_layout_get_text (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_markup (PangoLayout *layout,
- const char *markup,
- int length);
+void pango_layout_set_markup (PangoLayout *layout,
+ const char *markup,
+ int length);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_markup_with_accel (PangoLayout *layout,
- const char *markup,
- int length,
- gunichar accel_marker,
- gunichar *accel_char);
+int pango_layout_get_character_count
+ (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_font_description (PangoLayout *layout,
- const PangoFontDescription *desc);
-
-PANGO_AVAILABLE_IN_1_8
-const PangoFontDescription *pango_layout_get_font_description (PangoLayout *layout);
+void pango_layout_set_attributes (PangoLayout *layout,
+ PangoAttrList *attrs);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_width (PangoLayout *layout,
- int width);
-PANGO_AVAILABLE_IN_ALL
-int pango_layout_get_width (PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_20
-void pango_layout_set_height (PangoLayout *layout,
- int height);
-PANGO_AVAILABLE_IN_1_20
-int pango_layout_get_height (PangoLayout *layout);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_wrap (PangoLayout *layout,
- PangoWrapMode wrap);
-PANGO_AVAILABLE_IN_ALL
-PangoWrapMode pango_layout_get_wrap (PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_16
-gboolean pango_layout_is_wrapped (PangoLayout *layout);
+PangoAttrList * pango_layout_get_attributes (PangoLayout *layout);
+
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_indent (PangoLayout *layout,
- int indent);
+void pango_layout_set_font_description
+ (PangoLayout *layout,
+ const PangoFontDescription *desc);
+
PANGO_AVAILABLE_IN_ALL
-int pango_layout_get_indent (PangoLayout *layout);
+const PangoFontDescription *
+ pango_layout_get_font_description
+ (PangoLayout *layout);
+
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_spacing (PangoLayout *layout,
- int spacing);
+void pango_layout_set_line_spacing
+ (PangoLayout *layout,
+ float line_spacing);
+
PANGO_AVAILABLE_IN_ALL
-int pango_layout_get_spacing (PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_44
-void pango_layout_set_line_spacing (PangoLayout *layout,
- float factor);
-PANGO_AVAILABLE_IN_1_44
-float pango_layout_get_line_spacing (PangoLayout *layout);
+float pango_layout_get_line_spacing
+ (PangoLayout *layout);
+
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_justify (PangoLayout *layout,
- gboolean justify);
+void pango_layout_set_width (PangoLayout *layout,
+ int width);
+
PANGO_AVAILABLE_IN_ALL
-gboolean pango_layout_get_justify (PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_50
-void pango_layout_set_justify_last_line (PangoLayout *layout,
- gboolean justify);
-PANGO_AVAILABLE_IN_1_50
-gboolean pango_layout_get_justify_last_line (PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_4
-void pango_layout_set_auto_dir (PangoLayout *layout,
- gboolean auto_dir);
-PANGO_AVAILABLE_IN_1_4
-gboolean pango_layout_get_auto_dir (PangoLayout *layout);
+int pango_layout_get_width (PangoLayout *layout);
+
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_alignment (PangoLayout *layout,
- PangoAlignment alignment);
+void pango_layout_set_height (PangoLayout *layout,
+ int height);
+
PANGO_AVAILABLE_IN_ALL
-PangoAlignment pango_layout_get_alignment (PangoLayout *layout);
+int pango_layout_get_height (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_tabs (PangoLayout *layout,
- PangoTabArray *tabs);
+void pango_layout_set_tabs (PangoLayout *layout,
+ PangoTabArray *tabs);
+
PANGO_AVAILABLE_IN_ALL
-PangoTabArray* pango_layout_get_tabs (PangoLayout *layout);
+PangoTabArray * pango_layout_get_tabs (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_set_single_paragraph_mode (PangoLayout *layout,
- gboolean setting);
+void pango_layout_set_single_paragraph
+ (PangoLayout *layout,
+ gboolean single_paragraph);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_layout_get_single_paragraph_mode (PangoLayout *layout);
-
-PANGO_AVAILABLE_IN_1_6
-void pango_layout_set_ellipsize (PangoLayout *layout,
- PangoEllipsizeMode ellipsize);
-PANGO_AVAILABLE_IN_1_6
-PangoEllipsizeMode pango_layout_get_ellipsize (PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_16
-gboolean pango_layout_is_ellipsized (PangoLayout *layout);
-
-PANGO_AVAILABLE_IN_1_16
-int pango_layout_get_unknown_glyphs_count (PangoLayout *layout);
-
-PANGO_AVAILABLE_IN_1_46
-PangoDirection pango_layout_get_direction (PangoLayout *layout,
- int index);
+gboolean pango_layout_get_single_paragraph
+ (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_context_changed (PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_32
-guint pango_layout_get_serial (PangoLayout *layout);
+void pango_layout_set_wrap (PangoLayout *layout,
+ PangoWrapMode wrap);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_get_log_attrs (PangoLayout *layout,
- PangoLogAttr **attrs,
- gint *n_attrs);
-
-PANGO_AVAILABLE_IN_1_30
-const PangoLogAttr *pango_layout_get_log_attrs_readonly (PangoLayout *layout,
- gint *n_attrs);
+PangoWrapMode pango_layout_get_wrap (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_index_to_pos (PangoLayout *layout,
- int index_,
- PangoRectangle *pos);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_index_to_line_x (PangoLayout *layout,
- int index_,
- gboolean trailing,
- int *line,
- int *x_pos);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_get_cursor_pos (PangoLayout *layout,
- int index_,
- PangoRectangle *strong_pos,
- PangoRectangle *weak_pos);
+void pango_layout_set_indent (PangoLayout *layout,
+ int indent);
-PANGO_AVAILABLE_IN_1_50
-void pango_layout_get_caret_pos (PangoLayout *layout,
- int index_,
- PangoRectangle *strong_pos,
- PangoRectangle *weak_pos);
+PANGO_AVAILABLE_IN_ALL
+int pango_layout_get_indent (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_move_cursor_visually (PangoLayout *layout,
- gboolean strong,
- int old_index,
- int old_trailing,
- int direction,
- int *new_index,
- int *new_trailing);
+void pango_layout_set_alignment (PangoLayout *layout,
+ PangoAlignment alignment);
+
PANGO_AVAILABLE_IN_ALL
-gboolean pango_layout_xy_to_index (PangoLayout *layout,
- int x,
- int y,
- int *index_,
- int *trailing);
+PangoAlignment pango_layout_get_alignment (PangoLayout *layout);
+
PANGO_AVAILABLE_IN_ALL
-void pango_layout_get_extents (PangoLayout *layout,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
+void pango_layout_set_ellipsize (PangoLayout *layout,
+ PangoEllipsizeMode ellipsize);
+
PANGO_AVAILABLE_IN_ALL
-void pango_layout_get_pixel_extents (PangoLayout *layout,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
+PangoEllipsizeMode pango_layout_get_ellipsize (PangoLayout *layout);
+
PANGO_AVAILABLE_IN_ALL
-void pango_layout_get_size (PangoLayout *layout,
- int *width,
- int *height);
+void pango_layout_set_auto_dir (PangoLayout *layout,
+ gboolean auto_dir);
+
PANGO_AVAILABLE_IN_ALL
-void pango_layout_get_pixel_size (PangoLayout *layout,
- int *width,
- int *height);
-PANGO_AVAILABLE_IN_1_22
-int pango_layout_get_baseline (PangoLayout *layout);
+gboolean pango_layout_get_auto_dir (PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-int pango_layout_get_line_count (PangoLayout *layout);
+PangoLines * pango_layout_get_lines (PangoLayout *layout);
+
PANGO_AVAILABLE_IN_ALL
-PangoLayoutLine *pango_layout_get_line (PangoLayout *layout,
- int line);
-PANGO_AVAILABLE_IN_1_16
-PangoLayoutLine *pango_layout_get_line_readonly (PangoLayout *layout,
- int line);
+PangoLineIter * pango_layout_get_iter (PangoLayout *layout);
+
PANGO_AVAILABLE_IN_ALL
-GSList * pango_layout_get_lines (PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_16
-GSList * pango_layout_get_lines_readonly (PangoLayout *layout);
+const PangoLogAttr * pango_layout_get_log_attrs (PangoLayout *layout,
+ int *n_attrs);
-/**
- * PangoLayoutSerializeFlags:
- * @PANGO_LAYOUT_SERIALIZE_DEFAULT: Default behavior
- * @PANGO_LAYOUT_SERIALIZE_CONTEXT: Include context information
- * @PANGO_LAYOUT_SERIALIZE_OUTPUT: Include information about the formatted output
- *
- * Flags that influence the behavior of [method@Pango.Layout.serialize].
- *
- * New members may be added to this enumeration over time.
- *
- * Since: 1.50
- */
typedef enum {
PANGO_LAYOUT_SERIALIZE_DEFAULT = 0,
PANGO_LAYOUT_SERIALIZE_CONTEXT = 1 << 0,
PANGO_LAYOUT_SERIALIZE_OUTPUT = 1 << 1,
} PangoLayoutSerializeFlags;
-PANGO_AVAILABLE_IN_1_50
-GBytes * pango_layout_serialize (PangoLayout *layout,
- PangoLayoutSerializeFlags flags);
-
-PANGO_AVAILABLE_IN_1_50
-gboolean pango_layout_write_to_file (PangoLayout *layout,
- PangoLayoutSerializeFlags flags,
+PANGO_AVAILABLE_IN_ALL
+GBytes * pango_layout_serialize (PangoLayout *layout,
+ PangoLayoutSerializeFlags flags);
- const char *filename,
- GError **error);
+PANGO_AVAILABLE_IN_ALL
+gboolean pango_layout_write_to_file (PangoLayout *layout,
+ const char *filename);
#define PANGO_LAYOUT_DESERIALIZE_ERROR (pango_layout_deserialize_error_quark ())
@@ -329,8 +169,6 @@ gboolean pango_layout_write_to_file (PangoLayout
* not found
*
* Errors that can be returned by [func@Pango.Layout.deserialize].
- *
- * Since: 1.50
*/
typedef enum {
PANGO_LAYOUT_DESERIALIZE_INVALID,
@@ -338,155 +176,18 @@ typedef enum {
PANGO_LAYOUT_DESERIALIZE_MISSING_VALUE,
} PangoLayoutDeserializeError;
-PANGO_AVAILABLE_IN_1_50
-GQuark pango_layout_deserialize_error_quark (void);
-
-/**
- * PangoLayoutDeserializeFlags:
- * @PANGO_LAYOUT_DESERIALIZE_DEFAULT: Default behavior
- * @PANGO_LAYOUT_DESERIALIZE_CONTEXT: Apply context information
- * from the serialization to the `PangoContext`
- *
- * Flags that influence the behavior of [func@Pango.Layout.deserialize].
- *
- * New members may be added to this enumeration over time.
- *
- * Since: 1.50
- */
typedef enum {
PANGO_LAYOUT_DESERIALIZE_DEFAULT = 0,
PANGO_LAYOUT_DESERIALIZE_CONTEXT = 1 << 0,
} PangoLayoutDeserializeFlags;
-PANGO_AVAILABLE_IN_1_50
-PangoLayout * pango_layout_deserialize (PangoContext *context,
- GBytes *bytes,
- PangoLayoutDeserializeFlags flags,
- GError **error);
-
-
-#define PANGO_TYPE_LAYOUT_LINE (pango_layout_line_get_type ())
-
-PANGO_AVAILABLE_IN_ALL
-GType pango_layout_line_get_type (void) G_GNUC_CONST;
-
-PANGO_AVAILABLE_IN_1_10
-PangoLayoutLine *pango_layout_line_ref (PangoLayoutLine *line);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_line_unref (PangoLayoutLine *line);
-
-PANGO_AVAILABLE_IN_1_50
-int pango_layout_line_get_start_index (PangoLayoutLine *line);
-PANGO_AVAILABLE_IN_1_50
-int pango_layout_line_get_length (PangoLayoutLine *line);
-PANGO_AVAILABLE_IN_1_50
-gboolean pango_layout_line_is_paragraph_start (PangoLayoutLine *line);
-PANGO_AVAILABLE_IN_1_50
-PangoDirection pango_layout_line_get_resolved_direction (PangoLayoutLine *line);
-
-PANGO_AVAILABLE_IN_ALL
-gboolean pango_layout_line_x_to_index (PangoLayoutLine *line,
- int x_pos,
- int *index_,
- int *trailing);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_line_index_to_x (PangoLayoutLine *line,
- int index_,
- gboolean trailing,
- int *x_pos);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_line_get_x_ranges (PangoLayoutLine *line,
- int start_index,
- int end_index,
- int **ranges,
- int *n_ranges);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_line_get_extents (PangoLayoutLine *line,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
-PANGO_AVAILABLE_IN_1_44
-void pango_layout_line_get_height (PangoLayoutLine *line,
- int *height);
-
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_line_get_pixel_extents (PangoLayoutLine *layout_line,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
-
-typedef struct _PangoLayoutIter PangoLayoutIter;
-
-#define PANGO_TYPE_LAYOUT_ITER (pango_layout_iter_get_type ())
-
-PANGO_AVAILABLE_IN_ALL
-GType pango_layout_iter_get_type (void) G_GNUC_CONST;
-
-PANGO_AVAILABLE_IN_ALL
-PangoLayoutIter *pango_layout_get_iter (PangoLayout *layout);
-PANGO_AVAILABLE_IN_1_20
-PangoLayoutIter *pango_layout_iter_copy (PangoLayoutIter *iter);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_iter_free (PangoLayoutIter *iter);
-
-PANGO_AVAILABLE_IN_ALL
-int pango_layout_iter_get_index (PangoLayoutIter *iter);
-PANGO_AVAILABLE_IN_ALL
-PangoLayoutRun *pango_layout_iter_get_run (PangoLayoutIter *iter);
-PANGO_AVAILABLE_IN_1_16
-PangoLayoutRun *pango_layout_iter_get_run_readonly (PangoLayoutIter *iter);
-PANGO_AVAILABLE_IN_ALL
-PangoLayoutLine *pango_layout_iter_get_line (PangoLayoutIter *iter);
-PANGO_AVAILABLE_IN_1_16
-PangoLayoutLine *pango_layout_iter_get_line_readonly (PangoLayoutIter *iter);
-PANGO_AVAILABLE_IN_ALL
-gboolean pango_layout_iter_at_last_line (PangoLayoutIter *iter);
-PANGO_AVAILABLE_IN_1_20
-PangoLayout *pango_layout_iter_get_layout (PangoLayoutIter *iter);
-
-PANGO_AVAILABLE_IN_ALL
-gboolean pango_layout_iter_next_char (PangoLayoutIter *iter);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_layout_iter_next_cluster (PangoLayoutIter *iter);
-PANGO_AVAILABLE_IN_ALL
-gboolean pango_layout_iter_next_run (PangoLayoutIter *iter);
-PANGO_AVAILABLE_IN_ALL
-gboolean pango_layout_iter_next_line (PangoLayoutIter *iter);
+GQuark pango_layout_deserialize_error_quark (void);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_iter_get_char_extents (PangoLayoutIter *iter,
- PangoRectangle *logical_rect);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_iter_get_cluster_extents (PangoLayoutIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_iter_get_run_extents (PangoLayoutIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_iter_get_line_extents (PangoLayoutIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
-/* All the yranges meet, unlike the logical_rect's (i.e. the yranges
- * assign between-line spacing to the nearest line)
- */
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_iter_get_line_yrange (PangoLayoutIter *iter,
- int *y0_,
- int *y1_);
-PANGO_AVAILABLE_IN_ALL
-void pango_layout_iter_get_layout_extents (PangoLayoutIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
-PANGO_AVAILABLE_IN_ALL
-int pango_layout_iter_get_baseline (PangoLayoutIter *iter);
-PANGO_AVAILABLE_IN_1_50
-int pango_layout_iter_get_run_baseline (PangoLayoutIter *iter);
-
-
-G_DEFINE_AUTOPTR_CLEANUP_FUNC(PangoLayout, g_object_unref)
-G_DEFINE_AUTOPTR_CLEANUP_FUNC(PangoLayoutIter, pango_layout_iter_free)
+PangoLayout * pango_layout_deserialize (PangoContext *context,
+ GBytes *bytes,
+ PangoLayoutDeserializeFlags flags,
+ GError **error);
G_END_DECLS
-
-#endif /* __PANGO_LAYOUT_H__ */
-
diff --git a/pango/pango-line-breaker.c b/pango/pango-line-breaker.c
index cb9e8429..df68fe9f 100644
--- a/pango/pango-line-breaker.c
+++ b/pango/pango-line-breaker.c
@@ -25,26 +25,15 @@
* A `PangoLineBreaker` breaks text into lines.
*
* To use a `PangoLineBreaker`, you must call [method@Pango.LineBreaker.add_text]
- * to provide text that you want to break into lines, plus possibly attributes
+ * to provide text that you want to break into lines, plus possibly attribute
* to influence the formatting.
*
* Then you can call [method@Pango.LineBreaker.next_line] repeatedly to obtain
- * `PangoLine` objects for the text, one by one. The parameters that are
- * passed to `pango_line_breaker_next_line`, as well as properties of the
- * `PangoLineBreaker` can be changed from call to call. For example, you can
- * pass `PANGO_ELLIPSIZE_END` to consume the remaining text with a single,
- * ellipsized line once you have produced enough lines to fill your desired
- * height.
+ * `PangoLine` objects for the text, one by one.
*
- * A convenient way to keep track of the lines that are produced by `PangoLineBreaker`
- * is to add them to a [class@Pango.Lines] object, together with positioning
- * information. Before doing so, you can tweak the line or its offset, for
- * example to implement alignment and justification (for the latter, see
- * [method Pango Line.justify]).
- *
- * `PangoLineBreaker` is meant to enable use cases like flowing text around
- * images, shaped paragraphs or multi-column layout. For simple formatting
- * needs, [class@Pango.Layout] is probably more convenient to use.
+ * `PangoLineBreaker` is meant to enable use cases like flowing text around images,
+ * or shaped paragraphs. For simple formatting needs, [class@Pango.Layout]
+ * is probably more convenient to use.
*/
typedef struct _LastTabState LastTabState;
@@ -610,8 +599,8 @@ pad_glyphstring_left (PangoLineBreaker *self,
}
static gboolean
-is_tab_run (PangoLine *line,
- PangoGlyphItem *run)
+is_tab_run (PangoLine *line,
+ PangoGlyphItem *run)
{
return line->data->text[run->item->offset] == '\t';
}
@@ -2529,18 +2518,15 @@ pango_line_breaker_has_line (PangoLineBreaker *self)
* Gets the next line.
*
* The `PangoLineBreaker` will use as much of its unprocessed text
- * as will fit into @width. If @width is -1, then all remaining
- * text will be included in the returned line. If @ellipsize is not
- * `PANGO_ELLIPSIZE_NONE`, then all unprocessed text will be made
- * to fit by ellipsizing.
+ * as will fit into @width. The @x position is used to determine
+ * where tabs are located are.
*
- * The @x position is used to determine where tabs are located,
- * so when using tabs, it is important to draw the line at the
- * same X position that was passed here.
+ * If @ellipsize is not `PANGO_ELLIPSIZE_NONE`, then all unprocessed
+ * text will be made to fit by ellipsizing.
*
- * Note that the line is not positioned - the leftmost point of its
- * baseline is at 0, 0. See [class@Pango.Lines] for a way to hold
- * a list of positioned `PangoLine` objects.
+ * Note that the line is not positioned - the leftmost point of its baseline
+ * is at 0, 0. See [class@Pango.Lines] for a way to hold a list of positioned
+ * `PangoLine` objects.
*
* line = pango_line_breaker_next_line (breaker,
* x, width,
diff --git a/pango/pango-line-iter.c b/pango/pango-line-iter.c
index 1a72be31..87f925a9 100644
--- a/pango/pango-line-iter.c
+++ b/pango/pango-line-iter.c
@@ -3,7 +3,7 @@
#include "pango-line-iter-private.h"
#include "pango-lines-private.h"
#include "pango-line-private.h"
-#include "pango-layout-run-private.h"
+#include "pango-run-private.h"
/**
* PangoLineIter:
@@ -18,6 +18,7 @@
* fields.
*/
+
/* {{{ PangoLineIter implementation */
struct _PangoLineIter
@@ -30,7 +31,7 @@ struct _PangoLineIter
int line_y;
PangoLine *line;
GSList *run_link;
- PangoLayoutRun *run;
+ PangoRun *run;
int index;
/* run handling */
@@ -118,7 +119,7 @@ update_cluster (PangoLineIter *iter,
char *cluster_text;
int cluster_length;
- glyph_item = pango_layout_run_get_glyph_item (iter->run);
+ glyph_item = pango_run_get_glyph_item (iter->run);
iter->character_position = 0;
@@ -224,7 +225,7 @@ next_cluster_internal (PangoLineIter *iter,
if (iter->run == NULL)
return next_nonempty_line (iter, include_terminators);
- glyph_item = pango_layout_run_get_glyph_item (iter->run);
+ glyph_item = pango_run_get_glyph_item (iter->run);
if (iter->next_cluster_glyph == glyph_item->glyphs->num_glyphs)
{
@@ -247,7 +248,7 @@ update_run (PangoLineIter *iter,
PangoGlyphItem *glyph_item;
if (iter->run)
- glyph_item = pango_layout_run_get_glyph_item (iter->run);
+ glyph_item = pango_run_get_glyph_item (iter->run);
if (iter->run_link == iter->line->runs)
iter->run_x = 0;
@@ -320,7 +321,7 @@ offset_run (PangoLineIter *iter,
}
/* }}} */
-/* {{{ Private API */
+/* {{{ Private API */
PangoLineIter *
pango_line_iter_new (PangoLines *lines)
@@ -341,7 +342,7 @@ pango_line_iter_new (PangoLines *lines)
if (iter->run_link)
{
iter->run = iter->run_link->data;
- run_start_index = iter->run->item->offset;
+ run_start_index = pango_run_get_glyph_item (iter->run)->item->offset;
}
else
{
@@ -455,7 +456,7 @@ pango_line_iter_at_last_line (PangoLineIter *iter)
*
* Return value: (transfer none) (nullable): the current run
*/
-PangoLayoutRun *
+PangoRun *
pango_line_iter_get_run (PangoLineIter *iter)
{
g_return_val_if_fail (ITER_IS_VALID (iter), NULL);
@@ -541,13 +542,14 @@ pango_line_iter_next_run (PangoLineIter *iter)
iter->run_link = iter->run_link->next;
if (iter->run_link == NULL)
{
- run_start_index = iter->run->item->offset + iter->run->item->length;
+ PangoItem *item = pango_run_get_glyph_item (iter->run)->item;
+ run_start_index = item->offset + item->length;
iter->run = NULL;
}
else
{
iter->run = iter->run_link->data;
- run_start_index = iter->run->item->offset;
+ run_start_index = pango_run_get_glyph_item (iter->run)->item->offset;
}
update_run (iter, run_start_index);
@@ -690,7 +692,7 @@ pango_line_iter_get_trimmed_line_extents (PangoLineIter *iter,
*
* The logical extents returned by this function always have their leading
* trimmed off. If you need extents that include leading, use
- * [method@Pango.LayoutRun.get_extents].
+ * [method Pango Run.get_extents].
*/
void
pango_line_iter_get_run_extents (PangoLineIter *iter,
@@ -701,7 +703,7 @@ pango_line_iter_get_run_extents (PangoLineIter *iter,
if (iter->run)
{
- pango_layout_run_get_extents (iter->run, PANGO_LEADING_TRIM_BOTH, ink_rect, logical_rect);
+ pango_run_get_extents (iter->run, PANGO_LEADING_TRIM_BOTH, ink_rect, logical_rect);
}
else
{
@@ -709,9 +711,9 @@ pango_line_iter_get_run_extents (PangoLineIter *iter,
if (runs)
{
/* Virtual run at the end of a nonempty line */
- PangoLayoutRun *run = g_slist_last (runs)->data;
+ PangoRun *run = g_slist_last (runs)->data;
- pango_layout_run_get_extents (run, PANGO_LEADING_TRIM_BOTH, ink_rect, logical_rect);
+ pango_run_get_extents (run, PANGO_LEADING_TRIM_BOTH, ink_rect, logical_rect);
if (ink_rect)
ink_rect->width = 0;
if (logical_rect)
@@ -762,7 +764,7 @@ pango_line_iter_get_cluster_extents (PangoLineIter *iter,
return;
}
- glyph_item = pango_layout_run_get_glyph_item (iter->run);
+ glyph_item = pango_run_get_glyph_item (iter->run);
pango_glyph_string_extents_range (glyph_item->glyphs,
iter->cluster_start,
@@ -775,14 +777,14 @@ pango_line_iter_get_cluster_extents (PangoLineIter *iter,
if (ink_rect)
{
ink_rect->x += iter->cluster_x + glyph_item->start_x_offset;
- ink_rect->y -= iter->run->y_offset;
+ ink_rect->y -= glyph_item->y_offset;
}
if (logical_rect)
{
g_assert (logical_rect->width == iter->cluster_width);
logical_rect->x += iter->cluster_x + glyph_item->start_x_offset;
- logical_rect->y -= iter->run->y_offset;
+ logical_rect->y -= glyph_item->y_offset;
}
}
@@ -872,11 +874,11 @@ pango_line_iter_get_run_baseline (PangoLineIter *iter)
g_return_val_if_fail (ITER_IS_VALID (iter), 0);
if (iter->run)
- return pango_line_iter_get_line_baseline (iter) - pango_layout_run_get_glyph_item (iter->run)->y_offset;
+ return pango_line_iter_get_line_baseline (iter) - pango_run_get_glyph_item (iter->run)->y_offset;
else
return pango_line_iter_get_line_baseline (iter);
}
-/* }}} */
+/* }}} */
/* vim:set foldmethod=marker expandtab: */
diff --git a/pango/pango-line-iter.h b/pango/pango-line-iter.h
index 7bdbfb23..84c3c856 100644
--- a/pango/pango-line-iter.h
+++ b/pango/pango-line-iter.h
@@ -28,76 +28,74 @@
G_BEGIN_DECLS
PANGO_AVAILABLE_IN_ALL
-GType pango_line_iter_get_type (void) G_GNUC_CONST;
+GType pango_line_iter_get_type (void) G_GNUC_CONST;
PANGO_AVAILABLE_IN_ALL
-PangoLineIter * pango_line_iter_copy (PangoLineIter *iter);
+PangoLineIter * pango_line_iter_copy (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-void pango_line_iter_free (PangoLineIter *iter);
+void pango_line_iter_free (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-PangoLines * pango_line_iter_get_lines (PangoLineIter *iter);
+PangoLines * pango_line_iter_get_lines (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-PangoLine * pango_line_iter_get_line (PangoLineIter *iter);
+PangoLine * pango_line_iter_get_line (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_iter_at_last_line (PangoLineIter *iter);
+gboolean pango_line_iter_at_last_line (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-PangoLayoutRun * pango_line_iter_get_run (PangoLineIter *iter);
+PangoRun * pango_line_iter_get_run (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-int pango_line_iter_get_index (PangoLineIter *iter);
+int pango_line_iter_get_index (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_iter_next_line (PangoLineIter *iter);
+gboolean pango_line_iter_next_line (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_iter_next_run (PangoLineIter *iter);
+gboolean pango_line_iter_next_run (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_iter_next_cluster (PangoLineIter *iter);
+gboolean pango_line_iter_next_cluster (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_iter_next_char (PangoLineIter *iter);
+gboolean pango_line_iter_next_char (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-void pango_line_iter_get_layout_extents (PangoLineIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
+void pango_line_iter_get_layout_extents (PangoLineIter *iter,
+ PangoRectangle *ink_rect,
+ PangoRectangle *logical_rect);
PANGO_AVAILABLE_IN_ALL
-void pango_line_iter_get_line_extents (PangoLineIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
+void pango_line_iter_get_line_extents (PangoLineIter *iter,
+ PangoRectangle *ink_rect,
+ PangoRectangle *logical_rect);
PANGO_AVAILABLE_IN_ALL
-void pango_line_iter_get_trimmed_line_extents
- (PangoLineIter *iter,
- PangoLeadingTrim trim,
- PangoRectangle *logical_rect);
+void pango_line_iter_get_trimmed_line_extents (PangoLineIter *iter,
+ PangoLeadingTrim trim,
+ PangoRectangle *logical_rect);
PANGO_AVAILABLE_IN_ALL
-void pango_line_iter_get_run_extents (PangoLineIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
+void pango_line_iter_get_run_extents (PangoLineIter *iter,
+ PangoRectangle *ink_rect,
+ PangoRectangle *logical_rect);
PANGO_AVAILABLE_IN_ALL
-void pango_line_iter_get_cluster_extents (PangoLineIter *iter,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
+void pango_line_iter_get_cluster_extents (PangoLineIter *iter,
+ PangoRectangle *ink_rect,
+ PangoRectangle *logical_rect);
PANGO_AVAILABLE_IN_ALL
-void pango_line_iter_get_char_extents (PangoLineIter *iter,
- PangoRectangle *logical_rect);
+void pango_line_iter_get_char_extents (PangoLineIter *iter,
+ PangoRectangle *logical_rect);
PANGO_AVAILABLE_IN_ALL
-int pango_line_iter_get_line_baseline (PangoLineIter *iter);
+int pango_line_iter_get_line_baseline (PangoLineIter *iter);
PANGO_AVAILABLE_IN_ALL
-int pango_line_iter_get_run_baseline (PangoLineIter *iter);
-
+int pango_line_iter_get_run_baseline (PangoLineIter *iter);
G_END_DECLS
diff --git a/pango/pango-line-private.h b/pango/pango-line-private.h
index dccb3982..ecd0f5bc 100644
--- a/pango/pango-line-private.h
+++ b/pango/pango-line-private.h
@@ -66,20 +66,20 @@ struct _PangoLine
PangoRectangle logical_rect;
};
-PangoLine * pango_line_new (PangoContext *context,
- LineData *data);
+PangoLine * pango_line_new (PangoContext *context,
+ LineData *data);
-void pango_line_ellipsize (PangoLine *line,
- PangoContext *context,
- PangoEllipsizeMode ellipsize,
- int goal_width);
+void pango_line_ellipsize (PangoLine *line,
+ PangoContext *context,
+ PangoEllipsizeMode ellipsize,
+ int goal_width);
-void pango_line_index_to_run (PangoLine *line,
- int idx,
- PangoLayoutRun **run);
+void pango_line_index_to_run (PangoLine *line,
+ int idx,
+ PangoRun **run);
-void pango_line_get_empty_extents (PangoLine *line,
- PangoLeadingTrim trim,
- PangoRectangle *logical_rect);
+void pango_line_get_empty_extents (PangoLine *line,
+ PangoLeadingTrim trim,
+ PangoRectangle *logical_rect);
-void pango_line_check_invariants (PangoLine *line);
+void pango_line_check_invariants (PangoLine *line);
diff --git a/pango/pango-line.c b/pango/pango-line.c
index c06e9007..5782e30c 100644
--- a/pango/pango-line.c
+++ b/pango/pango-line.c
@@ -6,7 +6,7 @@
#include "pango-impl-utils.h"
#include "pango-attributes-private.h"
#include "pango-item-private.h"
-#include "pango-layout-run-private.h"
+#include "pango-run-private.h"
#include <math.h>
#include <hb-ot.h>
@@ -14,12 +14,12 @@
/**
* PangoLine:
*
- * A `PangoLine` represents one of the lines resulting from laying
- * out a paragraph via `PangoLayout` or `PangoLineBreaker`.
+ * A `PangoLine` is an immutable object which represents a line resulting
+ * from laying out text via `PangoLayout` or `PangoLineBreaker`.
*
* A line consists of a number of runs (i.e. ranges of text with uniform
* script, font and attributes that are shaped as a unit). Runs are
- * represented as [struct@Pango.LayoutRun] objects.
+ * represented as [struct Pango Run] objects.
*
* A `PangoLine` always has its origin at the leftmost point of its
* baseline. To position lines in an entire paragraph of text (i.e. in layout
@@ -337,12 +337,12 @@ compute_extents (PangoLine *line,
for (GSList *l = line->runs; l; l = l->next)
{
- PangoLayoutRun *run = l->data;
+ PangoRun *run = l->data;
PangoRectangle run_ink;
PangoRectangle run_logical;
int new_pos;
- pango_layout_run_get_extents (run, trim, &run_ink, &run_logical);
+ pango_run_get_extents (run, trim, &run_ink, &run_logical);
if (ink->width == 0 || ink->height == 0)
{
@@ -553,18 +553,18 @@ pango_line_new (PangoContext *context,
* Finds the run in @line which contains @idx.
*/
void
-pango_line_index_to_run (PangoLine *line,
- int idx,
- PangoLayoutRun **run)
+pango_line_index_to_run (PangoLine *line,
+ int idx,
+ PangoRun **run)
{
*run = NULL;
for (GSList *l = line->runs; l; l = l->next)
{
- PangoLayoutRun *r = l->data;
+ PangoRun *r = l->data;
PangoItem *item;
- item = pango_layout_run_get_glyph_item (r)->item;
+ item = pango_run_get_glyph_item (r)->item;
if (item->offset <= idx && idx < item->offset + item->length)
{
*run = r;
@@ -783,7 +783,7 @@ pango_line_is_hyphenated (PangoLine *line)
*
* Gets whether the line is justified.
*
- * See [method Pango Line.justify].
+ * See [method@Pango.LayoutLine.justify].
*
* Returns: `TRUE` if @line has been justified
*/
@@ -913,7 +913,7 @@ pango_line_justify (PangoLine *line,
* trimmed according to paragraph boundaries: if the line starts a paragraph,
* it has its start leading trimmed; if it ends a paragraph, it has its end
* leading trimmed. If you need other trimming, use
- * [method Pango Line.get_trimmed_extents].
+ * [method@Pango.LayoutLine.get_trimmed_extents].
*
* Note that the origin is at the left end of the baseline.
*/
@@ -1010,7 +1010,7 @@ pango_line_index_to_pos (PangoLine *line,
{
PangoRectangle run_logical;
PangoRectangle line_logical;
- PangoLayoutRun *run = NULL;
+ PangoRun *run = NULL;
int x_pos;
pango_line_get_extents (line, NULL, &line_logical);
@@ -1026,7 +1026,7 @@ pango_line_index_to_pos (PangoLine *line,
else
pango_line_index_to_run (line, idx, &run);
- pango_layout_run_get_extents (run, PANGO_LEADING_TRIM_BOTH, NULL, &run_logical);
+ pango_run_get_extents (run, PANGO_LEADING_TRIM_BOTH, NULL, &run_logical);
pos->y = run_logical.y;
pos->height = run_logical.height;
@@ -1358,7 +1358,7 @@ pango_line_get_cursor_pos (PangoLine *line,
PangoRectangle run_rect = { 666, };
PangoDirection dir1, dir2;
int level1, level2;
- PangoLayoutRun *run = NULL;
+ PangoRun *run = NULL;
int x1_trailing;
int x2;
@@ -1372,7 +1372,7 @@ pango_line_get_cursor_pos (PangoLine *line,
pango_line_get_extents (line, NULL, &line_rect);
if (run)
- pango_layout_run_get_extents (run, PANGO_LEADING_TRIM_BOTH, NULL, &run_rect);
+ pango_run_get_extents (run, PANGO_LEADING_TRIM_BOTH, NULL, &run_rect);
else
{
run_rect = line_rect;
@@ -1402,10 +1402,10 @@ pango_line_get_cursor_pos (PangoLine *line,
}
else
{
- PangoLayoutRun *prev_run;
+ PangoRun *prev_run;
pango_line_index_to_run (line, prev_index, &prev_run);
- level1 = pango_layout_run_get_glyph_item (prev_run)->item->analysis.level;
+ level1 = pango_run_get_glyph_item (prev_run)->item->analysis.level;
dir1 = level1 % 2 ? PANGO_DIRECTION_RTL : PANGO_DIRECTION_LTR;
pango_line_index_to_x (line, prev_index, TRUE, &x1_trailing);
}
@@ -1424,7 +1424,7 @@ pango_line_get_cursor_pos (PangoLine *line,
else
{
pango_line_index_to_x (line, idx, FALSE, &x2);
- level2 = pango_layout_run_get_glyph_item (run)->item->analysis.level;
+ level2 = pango_run_get_glyph_item (run)->item->analysis.level;
dir2 = level2 % 2 ? PANGO_DIRECTION_RTL : PANGO_DIRECTION_LTR;
}
@@ -1472,7 +1472,7 @@ done:
*
* Note that @idx is allowed to be @line->start_index + @line->length.
*
- * This is a variant of [method Pango Line.get_cursor_pos] that applies
+ * This is a variant of [method@Pango.LayoutLine.get_cursor_pos] that applies
* font metric information about caret slope and offset to the positions
* it returns.
*
@@ -1487,7 +1487,7 @@ pango_line_get_caret_pos (PangoLine *line,
PangoRectangle *strong_pos,
PangoRectangle *weak_pos)
{
- PangoLayoutRun *run = NULL;
+ PangoRun *run = NULL;
PangoGlyphItem *glyph_item;
hb_font_t *hb_font;
hb_position_t caret_offset, caret_run, caret_rise, descender;
@@ -1505,7 +1505,7 @@ pango_line_get_caret_pos (PangoLine *line,
if (!run)
return;
- glyph_item = pango_layout_run_get_glyph_item (run);
+ glyph_item = pango_run_get_glyph_item (run);
hb_font = pango_font_get_hb_font (glyph_item->item->analysis.font);
if (hb_ot_metrics_get_position (hb_font, HB_OT_METRICS_TAG_HORIZONTAL_CARET_RISE, &caret_rise) &&
diff --git a/pango/pango-line.h b/pango/pango-line.h
index 606f794e..2293d6c4 100644
--- a/pango/pango-line.h
+++ b/pango/pango-line.h
@@ -22,105 +22,100 @@
#include <glib-object.h>
#include <pango/pango-types.h>
-#include <pango/pango-layout-run.h>
+#include <pango/pango-run.h>
G_BEGIN_DECLS
-typedef PangoGlyphItem PangoLayoutRun;
-typedef struct _PangoLine PangoLine;
-
PANGO_AVAILABLE_IN_ALL
-GType pango_line_get_type (void) G_GNUC_CONST;
+GType pango_line_get_type (void) G_GNUC_CONST;
PANGO_AVAILABLE_IN_ALL
-PangoLine * pango_line_copy (PangoLine *line);
+PangoLine * pango_line_copy (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-void pango_line_free (PangoLine *line);
-
+void pango_line_free (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-PangoLine * pango_line_justify (PangoLine *line,
- int width);
+PangoLine * pango_line_justify (PangoLine *line,
+ int width);
PANGO_AVAILABLE_IN_ALL
-GSList * pango_line_get_runs (PangoLine *line);
+GSList * pango_line_get_runs (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-const char * pango_line_get_text (PangoLine *line,
- int *start_index,
- int *length);
+const char * pango_line_get_text (PangoLine *line,
+ int *start_index,
+ int *length);
PANGO_AVAILABLE_IN_ALL
-int pango_line_get_start_index (PangoLine *line);
+int pango_line_get_start_index (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-int pango_line_get_length (PangoLine *line);
+int pango_line_get_length (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-const PangoLogAttr * pango_line_get_log_attrs (PangoLine *line,
- int *start_offset,
- int *n_attrs);
+const PangoLogAttr * pango_line_get_log_attrs (PangoLine *line,
+ int *start_offset,
+ int *n_attrs);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_is_wrapped (PangoLine *line);
+gboolean pango_line_is_wrapped (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_is_ellipsized (PangoLine *line);
+gboolean pango_line_is_ellipsized (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_is_hyphenated (PangoLine *line);
+gboolean pango_line_is_hyphenated (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_is_justified (PangoLine *line);
+gboolean pango_line_is_justified (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_is_paragraph_start (PangoLine *line);
+gboolean pango_line_is_paragraph_start (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_is_paragraph_end (PangoLine *line);
+gboolean pango_line_is_paragraph_end (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-PangoDirection pango_line_get_resolved_direction
- (PangoLine *line);
+PangoDirection pango_line_get_resolved_direction (PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-void pango_line_get_extents (PangoLine *line,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
+void pango_line_get_extents (PangoLine *line,
+ PangoRectangle *ink_rect,
+ PangoRectangle *logical_rect);
PANGO_AVAILABLE_IN_ALL
-void pango_line_get_trimmed_extents (PangoLine *line,
- PangoLeadingTrim trim,
- PangoRectangle *logical_rect);
+void pango_line_get_trimmed_extents (PangoLine *line,
+ PangoLeadingTrim trim,
+ PangoRectangle *logical_rect);
PANGO_AVAILABLE_IN_ALL
-void pango_line_index_to_pos (PangoLine *line,
- int idx,
- PangoRectangle *pos);
+void pango_line_index_to_pos (PangoLine *line,
+ int idx,
+ PangoRectangle *pos);
PANGO_AVAILABLE_IN_ALL
-void pango_line_index_to_x (PangoLine *line,
- int idx,
- int trailing,
- int *x_pos);
+void pango_line_index_to_x (PangoLine *line,
+ int idx,
+ int trailing,
+ int *x_pos);
PANGO_AVAILABLE_IN_ALL
-gboolean pango_line_x_to_index (PangoLine *line,
- int x,
- int *idx,
- int *trailing);
+gboolean pango_line_x_to_index (PangoLine *line,
+ int x,
+ int *idx,
+ int *trailing);
PANGO_AVAILABLE_IN_ALL
-void pango_line_get_cursor_pos (PangoLine *line,
- int idx,
- PangoRectangle *strong_pos,
- PangoRectangle *weak_pos);
+void pango_line_get_cursor_pos (PangoLine *line,
+ int idx,
+ PangoRectangle *strong_pos,
+ PangoRectangle *weak_pos);
PANGO_AVAILABLE_IN_ALL
-void pango_line_get_caret_pos (PangoLine *line,
- int idx,
- PangoRectangle *strong_pos,
- PangoRectangle *weak_pos);
+void pango_line_get_caret_pos (PangoLine *line,
+ int idx,
+ PangoRectangle *strong_pos,
+ PangoRectangle *weak_pos);
G_END_DECLS
diff --git a/pango/pango-lines.c b/pango/pango-lines.c
index 9063301b..0d01f418 100644
--- a/pango/pango-lines.c
+++ b/pango/pango-lines.c
@@ -11,7 +11,7 @@
* A `PangoLines` object represents the result of formatting an
* entire paragraph (or more) of text.
*
- * A `PangoLines` object contains a list of `PangoLayoutLine` objects,
+ * A `PangoLines` object contains a list of `PangoLine` objects,
* together with information about where to position each line
* in layout coordinates.
*
@@ -35,7 +35,7 @@
* for the `PangoLines*`.
*
* The most convenient way to access the visual extents and components
- * of a `PangoLines` is via a [struct@Pango.LayoutIter] iterator.
+ * of a `PangoLines` is via a [struct@Pango.LineIter] iterator.
*/
/* {{{ PangoLines implementation */
@@ -104,10 +104,10 @@ compare_cursor (gconstpointer v1,
}
static void
-pango_line_get_cursors (PangoLines *lines,
- PangoLine *line,
- gboolean strong,
- GArray *cursors)
+pango_line_get_cursors (PangoLines *lines,
+ PangoLine *line,
+ gboolean strong,
+ GArray *cursors)
{
const char *start, *end;
int start_offset;
@@ -158,7 +158,7 @@ pango_line_get_cursors (PangoLines *lines,
}
/* }}} */
-/* {{{ Public API */
+ /* {{{ Public API */
/**
* pango_lines_new:
@@ -212,10 +212,10 @@ pango_lines_get_serial (PangoLines *lines)
* Note that this function takes ownership of the line.
*/
void
-pango_lines_add_line (PangoLines *lines,
- PangoLine *line,
- int x_line,
- int y_line)
+pango_lines_add_line (PangoLines *lines,
+ PangoLine *line,
+ int x_line,
+ int y_line)
{
Line l;
@@ -523,7 +523,7 @@ pango_lines_get_baseline (PangoLines *lines)
}
/**
- * pango_layout_lines_get_x_ranges:
+ * pango_lines_get_x_ranges:
* @lines: a `PangoLines` object
* @line: the `PangoLine` in @lines whose x ranges will be reported
* @start_line: (nullable): `PangoLine` wrt to which @start_index is
@@ -554,14 +554,14 @@ pango_lines_get_baseline (PangoLines *lines)
* layout, not with respect to the line.
*/
void
-pango_lines_get_x_ranges (PangoLines *lines,
- PangoLine *line,
- PangoLine *start_line,
- int start_index,
- PangoLine *end_line,
- int end_index,
- int **ranges,
- int *n_ranges)
+pango_lines_get_x_ranges (PangoLines *lines,
+ PangoLine *line,
+ PangoLine *start_line,
+ int start_index,
+ PangoLine *end_line,
+ int end_index,
+ int **ranges,
+ int *n_ranges)
{
int x_offset;
int line_no, start_line_no, end_line_no;
@@ -691,8 +691,8 @@ pango_lines_get_x_ranges (PangoLines *lines,
* Given an index (and possibly line), determine the line number,
* and offset for the line.
*
- * @idx may refer to any byte position inside @lines, as well
- * as the position before the first or after the last character (i.e.
+ * @idx may refer to any byte position inside @lines, as well as
+ * the position before the first or after the last character (i.e.
* line->start_index + line->length, for the last line).
*
* If @lines contains lines with different backing data (i.e.
@@ -702,12 +702,12 @@ pango_lines_get_x_ranges (PangoLines *lines,
* as *@line and use this function to find the line at @idx.
*/
void
-pango_lines_index_to_line (PangoLines *lines,
- int idx,
- PangoLine **line,
- int *line_no,
- int *x_offset,
- int *y_offset)
+pango_lines_index_to_line (PangoLines *lines,
+ int idx,
+ PangoLine **line,
+ int *line_no,
+ int *x_offset,
+ int *y_offset)
{
Line *found = NULL;
int num;
@@ -764,11 +764,11 @@ pango_lines_index_to_line (PangoLines *lines,
* Returns: (transfer none) (nullable): the line that was found
*/
PangoLine *
-pango_lines_pos_to_line (PangoLines *lines,
- int x,
- int y,
- int *line_x,
- int *line_y)
+pango_lines_pos_to_line (PangoLines *lines,
+ int x,
+ int y,
+ int *line_x,
+ int *line_y)
{
g_return_val_if_fail (PANGO_IS_LINES (lines), FALSE);
@@ -859,11 +859,11 @@ pango_lines_index_to_pos (PangoLines *lines,
* Returns: (transfer none) (nullable): the line that was found
*/
PangoLine *
-pango_lines_pos_to_index (PangoLines *lines,
- int x,
- int y,
- int *idx,
- int *trailing)
+pango_lines_pos_to_index (PangoLines *lines,
+ int x,
+ int y,
+ int *idx,
+ int *trailing)
{
PangoLine *line;
int x_offset;
diff --git a/pango/pango-lines.h b/pango/pango-lines.h
index d89e5a73..3b379aff 100644
--- a/pango/pango-lines.h
+++ b/pango/pango-lines.h
@@ -31,8 +31,6 @@ G_BEGIN_DECLS
PANGO_AVAILABLE_IN_ALL
G_DECLARE_FINAL_TYPE (PangoLines, pango_lines, PANGO, LINES, GObject);
-typedef struct _PangoLineIter PangoLineIter;
-
PANGO_AVAILABLE_IN_ALL
PangoLines * pango_lines_new (void);
diff --git a/pango/pango-renderer.c b/pango/pango-renderer.c
index 015fe972..6739cd00 100644
--- a/pango/pango-renderer.c
+++ b/pango/pango-renderer.c
@@ -24,9 +24,9 @@
#include "pango-renderer.h"
#include "pango-impl-utils.h"
-#include "pango-layout-private.h"
+#include "pango-layout.h"
+#include "pango-run-private.h"
#include "pango-line-private.h"
-#include "pango-layout-run-private.h"
#define N_RENDER_PARTS 5
@@ -65,7 +65,7 @@ struct _PangoRendererPrivate
guint16 alpha[N_RENDER_PARTS];
PangoLines *lines;
- PangoLayoutLine *line;
+ PangoLine *line;
LineState *line_state;
PangoOverline overline;
};
@@ -93,10 +93,10 @@ static void pango_renderer_default_draw_error_underline (PangoRenderer *rende
int width,
int height);
static void pango_renderer_default_prepare_run (PangoRenderer *renderer,
- PangoLayoutRun *run);
+ PangoRun *run);
-static void pango_renderer_prepare_run (PangoRenderer *renderer,
- PangoLayoutRun *run);
+static void pango_renderer_prepare_run (PangoRenderer *renderer,
+ PangoRun *run);
static void
to_device (PangoMatrix *matrix,
@@ -165,60 +165,6 @@ pango_renderer_activate_with_context (PangoRenderer *renderer,
pango_renderer_activate (renderer);
}
-/**
- * pango_renderer_draw_layout:
- * @renderer: a `PangoRenderer`
- * @layout: a `PangoLayout`
- * @x: X position of left edge of baseline, in user space coordinates
- * in Pango units.
- * @y: Y position of left edge of baseline, in user space coordinates
- * in Pango units.
- *
- * Draws @layout with the specified `PangoRenderer`.
- *
- * This is equivalent to drawing the lines of the layout, at their
- * respective positions relative to @x, @y.
- *
- * Since: 1.8
- */
-void
-pango_renderer_draw_layout (PangoRenderer *renderer,
- PangoLayout *layout,
- int x,
- int y)
-{
- PangoLayoutIter iter;
-
- g_return_if_fail (PANGO_IS_RENDERER (renderer));
- g_return_if_fail (PANGO_IS_LAYOUT (layout));
-
- pango_renderer_activate_with_context (renderer, pango_layout_get_context (layout));
-
- _pango_layout_get_iter (layout, &iter);
-
- do
- {
- PangoRectangle logical_rect;
- PangoLayoutLine *line;
- int baseline;
-
- line = pango_layout_iter_get_line_readonly (&iter);
-
- pango_layout_iter_get_line_extents (&iter, NULL, &logical_rect);
- baseline = pango_layout_iter_get_baseline (&iter);
-
- pango_renderer_draw_layout_line (renderer,
- line,
- x + logical_rect.x,
- y + baseline);
- }
- while (pango_layout_iter_next_line (&iter));
-
- _pango_layout_iter_destroy (&iter);
-
- pango_renderer_deactivate (renderer);
-}
-
static void
draw_underline (PangoRenderer *renderer,
LineState *state)
@@ -564,59 +510,6 @@ static void pango_renderer_draw_runs (PangoRenderer *renderer,
int x,
int y);
-/**
- * pango_renderer_draw_layout_line:
- * @renderer: a `PangoRenderer`
- * @line: a `PangoLayoutLine`
- * @x: X position of left edge of baseline, in user space coordinates
- * in Pango units.
- * @y: Y position of left edge of baseline, in user space coordinates
- * in Pango units.
- *
- * Draws @line with the specified `PangoRenderer`.
- *
- * This draws the glyph items that make up the line, as well as
- * shapes, backgrounds and lines that are specified by the attributes
- * of those items.
- *
- * Since: 1.8
- */
-void
-pango_renderer_draw_layout_line (PangoRenderer *renderer,
- PangoLayoutLine *line,
- int x,
- int y)
-{
- LineState state = { 0, };
- const char *text;
-
- g_return_if_fail (PANGO_IS_RENDERER_FAST (renderer));
-
- pango_renderer_activate_with_context (renderer,
- line->layout ? pango_layout_get_context (line->layout) : NULL);
-
- renderer->priv->line = line;
- renderer->priv->line_state = &state;
-
- state.underline = PANGO_UNDERLINE_NONE;
- state.overline = PANGO_OVERLINE_NONE;
- state.strikethrough = FALSE;
-
- text = G_LIKELY (line->layout) ? pango_layout_get_text (line->layout) : NULL;
-
- pango_renderer_draw_runs (renderer, line->runs, text, x, y);
-
- /* Finish off any remaining underlines */
- draw_underline (renderer, &state);
- draw_overline (renderer, &state);
- draw_strikethrough (renderer, &state);
-
- renderer->priv->line_state = NULL;
- renderer->priv->line = NULL;
-
- pango_renderer_deactivate (renderer);
-}
-
/**
* pango_renderer_draw_line:
* @renderer: a `PangoRenderer`
@@ -633,10 +526,10 @@ pango_renderer_draw_layout_line (PangoRenderer *renderer,
* of those items.
*/
void
-pango_renderer_draw_line (PangoRenderer *renderer,
- PangoLine *line,
- int x,
- int y)
+pango_renderer_draw_line (PangoRenderer *renderer,
+ PangoLine *line,
+ int x,
+ int y)
{
LineState state = { 0, };
@@ -644,7 +537,7 @@ pango_renderer_draw_line (PangoRenderer *renderer,
pango_renderer_activate_with_context (renderer, line->context);
- renderer->priv->line = NULL;
+ renderer->priv->line = line;
renderer->priv->line_state = &state;
state.underline = PANGO_UNDERLINE_NONE;
@@ -658,6 +551,7 @@ pango_renderer_draw_line (PangoRenderer *renderer,
draw_overline (renderer, &state);
draw_strikethrough (renderer, &state);
+ renderer->priv->line = NULL;
renderer->priv->line_state = NULL;
renderer->priv->line = NULL;
@@ -695,13 +589,15 @@ pango_renderer_draw_lines (PangoRenderer *renderer,
if (n == 0)
pango_renderer_activate_with_context (renderer, line->context);
- pango_renderer_draw_line (renderer, line, x + line_x, y + line_y);
+ pango_renderer_draw_layout_line (renderer, line, x + line_x, y + line_y);
n++;
}
if (n > 0)
pango_renderer_deactivate (renderer);
+
+ renderer->priv->lines = NULL;
}
static void
@@ -720,7 +616,7 @@ pango_renderer_draw_runs (PangoRenderer *renderer,
for (l = runs; l; l = l->next)
{
PangoFontMetrics *metrics;
- PangoLayoutRun *run = l->data;
+ PangoRun *run = l->data;
PangoGlyphItem *glyph_item = l->data;
PangoItem *item = glyph_item->item;
PangoGlyphString *glyphs = glyph_item->glyphs;
@@ -918,8 +814,8 @@ pango_renderer_default_draw_glyphs (PangoRenderer *renderer,
*
* Note that this method does not handle attributes in @glyph_item.
* If you want colors, shapes and lines handled automatically according
- * to those attributes, you need to use pango_renderer_draw_layout_line()
- * or pango_renderer_draw_layout().
+ * to those attributes, you need to use [method@Pango.Renderer.draw_line]
+ * or [method@Pango.Renderer.draw_lines].
*
* Note that @text is the start of the text for layout, which is then
* indexed by `glyph_item->item->offset`.
@@ -1341,7 +1237,7 @@ pango_renderer_draw_glyph (PangoRenderer *renderer,
* Does initial setup before rendering operations on @renderer.
*
* [method@Pango.Renderer.deactivate] should be called when done drawing.
- * Calls such as [method@Pango.Renderer.draw_layout] automatically
+ * Calls such as [method@Pango.Renderer.draw_lines] automatically
* activate the layout before drawing on it.
*
* Calls to [method@Pango.Renderer.activate] and
@@ -1547,7 +1443,7 @@ pango_renderer_part_changed (PangoRenderer *renderer,
/**
* pango_renderer_prepare_run:
* @renderer: a `PangoRenderer`
- * @run: a `PangoLayoutRun`
+ * @run: a `PangoRun`
*
* Set up the state of the `PangoRenderer` for rendering @run.
*
@@ -1555,7 +1451,7 @@ pango_renderer_part_changed (PangoRenderer *renderer,
*/
static void
pango_renderer_prepare_run (PangoRenderer *renderer,
- PangoLayoutRun *run)
+ PangoRun *run)
{
g_return_if_fail (PANGO_IS_RENDERER_FAST (renderer));
@@ -1564,7 +1460,7 @@ pango_renderer_prepare_run (PangoRenderer *renderer,
static void
pango_renderer_default_prepare_run (PangoRenderer *renderer,
- PangoLayoutRun *run)
+ PangoRun *run)
{
PangoColor *fg_color = NULL;
PangoColor *bg_color = NULL;
@@ -1576,7 +1472,7 @@ pango_renderer_default_prepare_run (PangoRenderer *renderer,
GSList *l;
PangoGlyphItem *glyph_item;
- glyph_item = pango_layout_run_get_glyph_item (run);
+ glyph_item = pango_run_get_glyph_item (run);
renderer->underline = PANGO_UNDERLINE_NONE;
renderer->priv->overline = PANGO_OVERLINE_NONE;
@@ -1699,10 +1595,10 @@ pango_renderer_get_matrix (PangoRenderer *renderer)
}
/**
- * pango_renderer_get_layout:
+ * pango_renderer_get_lines:
* @renderer: a `PangoRenderer`
*
- * Gets the layout currently being rendered using @renderer.
+ * Gets the `PangoLines` currently being rendered using @renderer.
*
* Calling this function only makes sense from inside a subclass's
* methods, like in its draw_shape vfunc, for example.
@@ -1710,38 +1606,31 @@ pango_renderer_get_matrix (PangoRenderer *renderer)
* The returned layout should not be modified while still being
* rendered.
*
- * Return value: (transfer none) (nullable): the layout, or %NULL if
- * no layout is being rendered using @renderer at this time.
- *
- * Since: 1.20
+ * Return value: (transfer none) (nullable): the `PangoLines`, or
+ * %NULL if no layout is being rendered using @renderer at this time.
*/
-PangoLayout *
-pango_renderer_get_layout (PangoRenderer *renderer)
+PangoLines *
+pango_renderer_get_lines (PangoRenderer *renderer)
{
- if (G_UNLIKELY (renderer->priv->line == NULL))
- return NULL;
-
- return renderer->priv->line->layout;
+ return renderer->priv->lines;
}
/**
* pango_renderer_get_layout_line:
* @renderer: a `PangoRenderer`
*
- * Gets the layout line currently being rendered using @renderer.
+ * Gets the line currently being rendered using @renderer.
*
* Calling this function only makes sense from inside a subclass's
* methods, like in its draw_shape vfunc, for example.
*
- * The returned layout line should not be modified while still being
+ * The returned line should not be modified while still being
* rendered.
*
- * Return value: (transfer none) (nullable): the layout line, or %NULL
+ * Return value: (transfer none) (nullable): the line, or %NULL
* if no layout line is being rendered using @renderer at this time.
- *
- * Since: 1.20
*/
-PangoLayoutLine *
+PangoLine *
pango_renderer_get_layout_line (PangoRenderer *renderer)
{
return renderer->priv->line;
diff --git a/pango/pango-renderer.h b/pango/pango-renderer.h
index 61f18a72..0f5d0d3f 100644
--- a/pango/pango-renderer.h
+++ b/pango/pango-renderer.h
@@ -22,8 +22,9 @@
#define __PANGO_RENDERER_H_
#include <pango/pango-layout.h>
-#include <pango/pango-line.h>
#include <pango/pango-lines.h>
+#include <pango/pango-glyph.h>
+#include <pango/pango-glyph-item.h>
G_BEGIN_DECLS
@@ -180,7 +181,7 @@ struct _PangoRendererClass
void (*end) (PangoRenderer *renderer);
void (*prepare_run) (PangoRenderer *renderer,
- PangoLayoutRun *run);
+ PangoRun *run);
void (*draw_glyph_item) (PangoRenderer *renderer,
const char *text,
@@ -199,26 +200,17 @@ struct _PangoRendererClass
PANGO_AVAILABLE_IN_1_8
GType pango_renderer_get_type (void) G_GNUC_CONST;
-PANGO_AVAILABLE_IN_1_8
-void pango_renderer_draw_layout (PangoRenderer *renderer,
- PangoLayout *layout,
- int x,
- int y);
-PANGO_AVAILABLE_IN_1_8
-void pango_renderer_draw_layout_line (PangoRenderer *renderer,
- PangoLayoutLine *line,
+PANGO_AVAILABLE_IN_ALL
+void pango_renderer_draw_lines (PangoRenderer *renderer,
+ PangoLines *lines,
int x,
int y);
+
PANGO_AVAILABLE_IN_ALL
void pango_renderer_draw_line (PangoRenderer *renderer,
PangoLine *line,
int x,
int y);
-PANGO_AVAILABLE_IN_ALL
-void pango_renderer_draw_lines (PangoRenderer *renderer,
- PangoLines *lines,
- int x,
- int y);
PANGO_AVAILABLE_IN_1_8
void pango_renderer_draw_glyphs (PangoRenderer *renderer,
PangoFont *font,
@@ -291,10 +283,11 @@ void pango_renderer_set_matrix (PangoRenderer *renderer,
PANGO_AVAILABLE_IN_1_8
const PangoMatrix *pango_renderer_get_matrix (PangoRenderer *renderer);
-PANGO_AVAILABLE_IN_1_20
-PangoLayout *pango_renderer_get_layout (PangoRenderer *renderer);
-PANGO_AVAILABLE_IN_1_20
-PangoLayoutLine *pango_renderer_get_layout_line (PangoRenderer *renderer);
+PANGO_AVAILABLE_IN_ALL
+PangoLines * pango_renderer_get_lines (PangoRenderer *renderer);
+
+PANGO_AVAILABLE_IN_ALL
+PangoLine * pango_renderer_get_layout_line (PangoRenderer *renderer);
PANGO_AVAILABLE_IN_ALL
PangoContext * pango_renderer_get_context (PangoRenderer *renderer);
diff --git a/pango/pango-layout-run-private.h b/pango/pango-run-private.h
similarity index 86%
rename from pango/pango-layout-run-private.h
rename to pango/pango-run-private.h
index dc19d09d..08a5d9cd 100644
--- a/pango/pango-layout-run-private.h
+++ b/pango/pango-run-private.h
@@ -21,13 +21,18 @@
#include "config.h"
-#include "pango-layout-run.h"
+#include "pango-run.h"
#include "pango-glyph-item.h"
#include "pango-item-private.h"
+struct _PangoRun
+{
+ PangoGlyphItem glyph_item;
+};
+
static inline PangoGlyphItem *
-pango_layout_run_get_glyph_item (PangoLayoutRun *run)
+pango_run_get_glyph_item (PangoRun *run)
{
- return (PangoGlyphItem *)run;
+ return &run->glyph_item;
}
diff --git a/pango/pango-layout-run.c b/pango/pango-run.c
similarity index 86%
rename from pango/pango-layout-run.c
rename to pango/pango-run.c
index 8e86d14b..01ecb8d6 100644
--- a/pango/pango-layout-run.c
+++ b/pango/pango-run.c
@@ -1,62 +1,62 @@
#include "config.h"
-#include "pango-layout-run-private.h"
+#include "pango-run-private.h"
#include "pango-item-private.h"
#include "pango-impl-utils.h"
#include <math.h>
/**
- * PangoLayoutRun:
+ * PangoRun:
*
- * A `PangoLayoutRun` represents a single run within a `PangoLayoutLine`.
+ * A `PangoRun` represents a single run within a `PangoLayoutLine`.
*
* A run is a range of text with uniform script, font and attributes that
* is shaped as a unit.
*
* Script, font and attributes of a run can be accessed via
- * [method@Pango.LayoutRun.get_item]. The glyphs that result from shaping
- * the text of the run can be obtained via [method@Pango.LayoutRun.get_glyphs].
+ * [method Pango Run.get_item]. The glyphs that result from shaping
+ * the text of the run can be obtained via [method Pango Run.get_glyphs].
*/
/**
- * pango_layout_run_get_item:
- * @run: a `PangoLayoutRun`
+ * pango_run_get_item:
+ * @run: a `PangoRun`
*
* Gets the `PangoItem` for the run.
*
* Returns: (transfer none): the `PangoItem` of @run
*/
PangoItem *
-pango_layout_run_get_item (PangoLayoutRun *run)
+pango_run_get_item (PangoRun *run)
{
- return run->item;
+ return run->glyph_item.item;
}
/**
- * pango_layout_run_get_glyphs:
- * @run: a `PangoLayoutRun`
+ * pango_run_get_glyphs:
+ * @run: a `PangoRun`
*
* Gets the `PangoGlyphString` for the run.
*
* Returns: (transfer none): the `PangoGlyphString` of @run
*/
PangoGlyphString *
-pango_layout_run_get_glyphs (PangoLayoutRun *run)
+pango_run_get_glyphs (PangoRun *run)
{
- return run->glyphs;
+ return run->glyph_item.glyphs;
}
/**
- * pango_layout_run_get_extents:
- * @run: a `PangoLayoutRun`
+ * pango_run_get_extents:
+ * @run: a `PangoRun`
* @trim: `PangoLeadingTrim` flags
* @ink_rect: (out caller-allocates) (optional): return location
* for the ink extents
* @logical_rect: (out caller-allocates) (optional): return location
* for the logical extents
*
- * Gets the extents of a `PangoLayoutRun`.
+ * Gets the extents of a `PangoRun`.
*
* The @trim flags specify if line-height attributes are taken
* into consideration for determining the logical height. See the
@@ -64,12 +64,12 @@ pango_layout_run_get_glyphs (PangoLayoutRun *run)
* specification for details.
*/
void
-pango_layout_run_get_extents (PangoLayoutRun *run,
- PangoLeadingTrim trim,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect)
+pango_run_get_extents (PangoRun *run,
+ PangoLeadingTrim trim,
+ PangoRectangle *ink_rect,
+ PangoRectangle *logical_rect)
{
- PangoGlyphItem *glyph_item = run;
+ PangoGlyphItem *glyph_item = &run->glyph_item;
ItemProperties properties;
gboolean has_underline;
gboolean has_overline;
diff --git a/pango/pango-layout-run.h b/pango/pango-run.h
similarity index 64%
rename from pango/pango-layout-run.h
rename to pango/pango-run.h
index 1f676405..1264ecb5 100644
--- a/pango/pango-layout-run.h
+++ b/pango/pango-run.h
@@ -23,17 +23,15 @@
#include <pango/pango-types.h>
#include <pango/pango-item.h>
#include <pango/pango-glyph.h>
-#include <pango/pango-layout.h>
-
PANGO_AVAILABLE_IN_ALL
-PangoItem * pango_layout_run_get_item (PangoLayoutRun *run);
+PangoItem * pango_run_get_item (PangoRun *run);
PANGO_AVAILABLE_IN_ALL
-PangoGlyphString * pango_layout_run_get_glyphs (PangoLayoutRun *run);
+PangoGlyphString * pango_run_get_glyphs (PangoRun *run);
PANGO_AVAILABLE_IN_ALL
-void pango_layout_run_get_extents (PangoLayoutRun *run,
- PangoLeadingTrim trim,
- PangoRectangle *ink_rect,
- PangoRectangle *logical_rect);
+void pango_run_get_extents (PangoRun *run,
+ PangoLeadingTrim trim,
+ PangoRectangle *ink_rect,
+ PangoRectangle *logical_rect);
diff --git a/pango/pango-types.h b/pango/pango-types.h
index 98846969..ff21144d 100644
--- a/pango/pango-types.h
+++ b/pango/pango-types.h
@@ -53,7 +53,10 @@ typedef struct _PangoLanguage PangoLanguage;
*/
typedef guint32 PangoGlyph;
-
+typedef struct _PangoLines PangoLines;
+typedef struct _PangoRun PangoRun;
+typedef struct _PangoLine PangoLine;
+typedef struct _PangoLineIter PangoLineIter;
/**
* PANGO_SCALE:
@@ -243,31 +246,23 @@ void pango_extents_to_pixels (PangoRectangle *inclusive,
* @PANGO_ALIGN_LEFT: Put all available space on the right
* @PANGO_ALIGN_CENTER: Center the line within the available space
* @PANGO_ALIGN_RIGHT: Put all available space on the left
+ * @PANGO_ALIGN_JUSTIFY: Justify the content to fill the available
+ * space, unless the line ends the paragraph
+ * @PANGO_ALIGN_JUSTIFY_ALL: Justify the content to fill the available
+ * space, even if the line ends the paragraph
*
* `PangoAlignment` describes how to align the lines of a `PangoLayout`
* within the available space.
- *
- * If the `PangoLayout` is set to justify using [method@Pango.Layout.set_justify],
- * this only affects partial lines.
- *
- * See [method@Pango.Layout.set_auto_dir] for how text direction affects
- * the interpretation of `PangoAlignment` values.
*/
-typedef enum {
+typedef enum
+{
PANGO_ALIGN_LEFT,
PANGO_ALIGN_CENTER,
- PANGO_ALIGN_RIGHT
+ PANGO_ALIGN_RIGHT,
+ PANGO_ALIGN_JUSTIFY,
+ PANGO_ALIGN_JUSTIFY_ALL,
} PangoAlignment;
-typedef enum
-{
- PANGO_ALIGNMENT_LEFT,
- PANGO_ALIGNMENT_CENTER,
- PANGO_ALIGNMENT_RIGHT,
- PANGO_ALIGNMENT_JUSTIFY,
- PANGO_ALIGNMENT_JUSTIFY_ALL,
-} PangoAlignmentMode;
-
/**
* PangoWrapMode:
* @PANGO_WRAP_WORD: wrap lines at word boundaries.
diff --git a/pango/pango.h b/pango/pango.h
index 5727e768..5248ede0 100644
--- a/pango/pango.h
+++ b/pango/pango.h
@@ -44,7 +44,6 @@
#include <pango/pango-item.h>
#include <pango/pango-language.h>
#include <pango/pango-layout.h>
-#include <pango/pango-layout-run.h>
#include <pango/pango-line.h>
#include <pango/pango-line-breaker.h>
#include <pango/pango-line-iter.h>
@@ -52,8 +51,8 @@
#include <pango/pango-matrix.h>
#include <pango/pango-markup.h>
#include <pango/pango-renderer.h>
+#include <pango/pango-run.h>
#include <pango/pango-script.h>
-#include <pango/pango-simple-layout.h>
#include <pango/pango-tabs.h>
#include <pango/pango-types.h>
#include <pango/pango-utils.h>
diff --git a/pango/pangocairo-context.c b/pango/pangocairo-context.c
index 0ea8332a..b1d6a03e 100644
--- a/pango/pangocairo-context.c
+++ b/pango/pangocairo-context.c
@@ -463,7 +463,7 @@ pango_cairo_create_context (cairo_t *cr)
* and target surface of the Cairo context.
*
* This layout can then be used for text measurement with functions
- * like [method@Pango.Layout.get_size] or drawing with functions like
+ * like [method@Pango.Lines.get_size] or drawing with functions like
* [func@show_layout]. If you change the transformation or target
* surface for @cr, you need to call [func@update_layout].
*
@@ -491,21 +491,6 @@ pango_cairo_create_layout (cairo_t *cr)
return layout;
}
-PangoSimpleLayout *
-pango_cairo_create_simple_layout (cairo_t *cr)
-{
- PangoContext *context;
- PangoSimpleLayout *layout;
-
- g_return_val_if_fail (cr != NULL, NULL);
-
- context = pango_cairo_create_context (cr);
- layout = pango_simple_layout_new (context);
- g_object_unref (context);
-
- return layout;
-}
-
/**
* pango_cairo_update_layout:
* @cr: a Cairo context
@@ -526,14 +511,3 @@ pango_cairo_update_layout (cairo_t *cr,
_pango_cairo_update_context (cr, pango_layout_get_context (layout));
}
-
-void
-pango_cairo_update_simple_layout (cairo_t *cr,
- PangoSimpleLayout *layout)
-{
- g_return_if_fail (cr != NULL);
- g_return_if_fail (PANGO_IS_SIMPLE_LAYOUT (layout));
-
- _pango_cairo_update_context (cr, pango_simple_layout_get_context (layout));
-}
-
diff --git a/pango/pangocairo-font.c b/pango/pangocairo-font.c
index 50a72239..a9274a29 100644
--- a/pango/pangocairo-font.c
+++ b/pango/pangocairo-font.c
@@ -186,26 +186,29 @@ _pango_cairo_font_install (PangoFont *font,
return TRUE;
}
-
static int
max_glyph_width (PangoLayout *layout)
{
+ PangoLines *lines;
int max_width = 0;
- GSList *l, *r;
+ GSList *r;
- for (l = pango_layout_get_lines_readonly (layout); l; l = l->next)
+ lines = pango_layout_get_lines (layout);
+ for (int i = 0; i < pango_lines_get_line_count (lines); i++)
{
- PangoLayoutLine *line = l->data;
-
- for (r = line->runs; r; r = r->next)
- {
- PangoGlyphString *glyphs = ((PangoGlyphItem *)r->data)->glyphs;
- int i;
+ PangoLine *line = pango_lines_get_line (lines, i, NULL, NULL);
- for (i = 0; i < glyphs->num_glyphs; i++)
- if (glyphs->glyphs[i].geometry.width > max_width)
- max_width = glyphs->glyphs[i].geometry.width;
- }
+ for (r = pango_line_get_runs (line); r; r = r->next)
+ {
+ PangoGlyphString *glyphs = ((PangoGlyphItem *)r->data)->glyphs;
+ int i;
+
+ for (i = 0; i < glyphs->num_glyphs; i++)
+ {
+ if (glyphs->glyphs[i].geometry.width > max_width)
+ max_width = glyphs->glyphs[i].geometry.width;
+ }
+ }
}
return max_width;
@@ -320,7 +323,7 @@ _pango_cairo_font_get_metrics (PangoFont *font,
pango_font_description_free (desc);
pango_layout_set_text (layout, sample_str, -1);
- pango_layout_get_extents (layout, NULL, &extents);
+ pango_lines_get_extents (pango_layout_get_lines (layout), NULL, &extents);
sample_str_width = pango_utf8_strwidth (sample_str);
g_assert (sample_str_width > 0);
diff --git a/pango/pangocairo-render.c b/pango/pangocairo-render.c
index 6c6d8d85..d226b389 100644
--- a/pango/pangocairo-render.c
+++ b/pango/pangocairo-render.c
@@ -972,25 +972,6 @@ _pango_cairo_do_glyph_item (cairo_t *cr,
release_renderer (crenderer);
}
-static void
-_pango_cairo_do_layout_line (cairo_t *cr,
- PangoLayoutLine *line,
- gboolean do_path)
-{
- PangoCairoRenderer *crenderer = acquire_renderer ();
- PangoRenderer *renderer = (PangoRenderer *) crenderer;
-
- crenderer->cr = cr;
- crenderer->do_path = do_path;
- save_current_point (crenderer);
-
- pango_renderer_draw_layout_line (renderer, line, 0, 0);
-
- restore_current_point (crenderer);
-
- release_renderer (crenderer);
-}
-
static void
_pango_cairo_do_line (cairo_t *cr,
PangoLine *line,
@@ -1041,7 +1022,7 @@ _pango_cairo_do_layout (cairo_t *cr,
crenderer->do_path = do_path;
save_current_point (crenderer);
- pango_renderer_draw_layout (renderer, layout, 0, 0);
+ pango_renderer_draw_lines (renderer, pango_layout_get_lines (layout), 0, 0);
restore_current_point (crenderer);
@@ -1132,28 +1113,6 @@ pango_cairo_show_glyph_item (cairo_t *cr,
_pango_cairo_do_glyph_item (cr, text, glyph_item, FALSE);
}
-/**
- * pango_cairo_show_layout_line:
- * @cr: a Cairo context
- * @line: a `PangoLayoutLine`
- *
- * Draws a `PangoLayoutLine` in the specified cairo context.
- *
- * The origin of the glyphs (the left edge of the line) will
- * be drawn at the current point of the cairo context.
- *
- * Since: 1.10
- */
-void
-pango_cairo_show_layout_line (cairo_t *cr,
- PangoLayoutLine *line)
-{
- g_return_if_fail (cr != NULL);
- g_return_if_fail (line != NULL);
-
- _pango_cairo_do_layout_line (cr, line, FALSE);
-}
-
/**
* pango_cairo_show_line:
* @cr: a Cairo context
@@ -1272,33 +1231,10 @@ pango_cairo_glyph_string_path (cairo_t *cr,
_pango_cairo_do_glyph_string (cr, font, glyphs, TRUE);
}
-/**
- * pango_cairo_layout_line_path:
- * @cr: a Cairo context
- * @line: a `PangoLayoutLine`
- *
- * Adds the text in `PangoLayoutLine` to the current path in the
- * specified cairo context.
- *
- * The origin of the glyphs (the left edge of the line) will be
- * at the current point of the cairo context.
- *
- * Since: 1.10
- */
-void
-pango_cairo_layout_line_path (cairo_t *cr,
- PangoLayoutLine *line)
-{
- g_return_if_fail (cr != NULL);
- g_return_if_fail (line != NULL);
-
- _pango_cairo_do_layout_line (cr, line, TRUE);
-}
-
/**
* pango_cairo_line_path:
* @cr: a Cairo context
- * @line: a `PangoLayoutLine`
+ * @line: a `PangoLine`
*
* Adds the text in `PangoLine` to the current path in the
* specified cairo context.
diff --git a/pango/pangocairo.h b/pango/pangocairo.h
index c996285d..b32cf465 100644
--- a/pango/pangocairo.h
+++ b/pango/pangocairo.h
@@ -165,11 +165,6 @@ PANGO_AVAILABLE_IN_1_10
void pango_cairo_update_layout (cairo_t *cr,
PangoLayout *layout);
-PANGO_AVAILABLE_IN_ALL
-PangoSimpleLayout *pango_cairo_create_simple_layout (cairo_t *cr);
-PANGO_AVAILABLE_IN_ALL
-void pango_cairo_update_simple_layout (cairo_t *cr,
- PangoSimpleLayout *layout);
/*
* Rendering
*/
@@ -181,9 +176,6 @@ PANGO_AVAILABLE_IN_1_22
void pango_cairo_show_glyph_item (cairo_t *cr,
const char *text,
PangoGlyphItem *glyph_item);
-PANGO_AVAILABLE_IN_1_10
-void pango_cairo_show_layout_line (cairo_t *cr,
- PangoLayoutLine *line);
PANGO_AVAILABLE_IN_ALL
void pango_cairo_show_line (cairo_t *cr,
PangoLine *line);
@@ -210,17 +202,14 @@ void pango_cairo_glyph_string_path (cairo_t *cr,
PangoFont *font,
PangoGlyphString *glyphs);
PANGO_AVAILABLE_IN_1_10
-void pango_cairo_layout_line_path (cairo_t *cr,
- PangoLayoutLine *line);
-PANGO_AVAILABLE_IN_1_10
void pango_cairo_layout_path (cairo_t *cr,
PangoLayout *layout);
PANGO_AVAILABLE_IN_ALL
-void pango_cairo_line_path (cairo_t *cr,
- PangoLine *line);
+void pango_cairo_line_path (cairo_t *cr,
+ PangoLine *line);
PANGO_AVAILABLE_IN_ALL
-void pango_cairo_lines_path (cairo_t *cr,
- PangoLines *lines);
+void pango_cairo_lines_path (cairo_t *cr,
+ PangoLines *lines);
PANGO_AVAILABLE_IN_1_14
void pango_cairo_error_underline_path (cairo_t *cr,
diff --git a/pango/pangofc-font.c b/pango/pangofc-font.c
index a5b20968..573768c8 100644
--- a/pango/pangofc-font.c
+++ b/pango/pangofc-font.c
@@ -417,22 +417,26 @@ pango_fc_font_create_base_metrics_for_context (PangoFcFont *fcfont,
static int
max_glyph_width (PangoLayout *layout)
{
+ PangoLines *lines;
int max_width = 0;
- GSList *l, *r;
+ GSList *r;
- for (l = pango_layout_get_lines_readonly (layout); l; l = l->next)
+ lines = pango_layout_get_lines (layout);
+ for (int i = 0; i < pango_lines_get_line_count (lines); i++)
{
- PangoLayoutLine *line = l->data;
+ PangoLine *line = pango_lines_get_line (lines, i, NULL, NULL);
- for (r = line->runs; r; r = r->next)
- {
- PangoGlyphString *glyphs = ((PangoGlyphItem *)r->data)->glyphs;
- int i;
+ for (r = pango_line_get_runs (line); r; r = r->next)
+ {
+ PangoGlyphString *glyphs = ((PangoGlyphItem *)r->data)->glyphs;
+ int i;
- for (i = 0; i < glyphs->num_glyphs; i++)
- if (glyphs->glyphs[i].geometry.width > max_width)
- max_width = glyphs->glyphs[i].geometry.width;
- }
+ for (i = 0; i < glyphs->num_glyphs; i++)
+ {
+ if (glyphs->glyphs[i].geometry.width > max_width)
+ max_width = glyphs->glyphs[i].geometry.width;
+ }
+ }
}
return max_width;
@@ -474,8 +478,7 @@ pango_fc_font_get_metrics (PangoFont *font,
/* Note: we need to add info to the list before calling
* into PangoLayout below, to prevent recursion
*/
- fcfont->metrics_by_lang = g_slist_prepend (fcfont->metrics_by_lang,
- info);
+ fcfont->metrics_by_lang = g_slist_prepend (fcfont->metrics_by_lang, info);
info->sample_str = sample_str;
@@ -499,7 +502,7 @@ pango_fc_font_get_metrics (PangoFont *font,
pango_font_description_free (desc);
pango_layout_set_text (layout, sample_str, -1);
- pango_layout_get_extents (layout, NULL, &extents);
+ pango_lines_get_extents (pango_layout_get_lines (layout), NULL, &extents);
sample_str_width = pango_utf8_strwidth (sample_str);
g_assert (sample_str_width > 0);
diff --git a/pango/pangowin32.c b/pango/pangowin32.c
index d26e9aa2..538d16ac 100644
--- a/pango/pangowin32.c
+++ b/pango/pangowin32.c
@@ -1036,7 +1036,7 @@ pango_win32_render_layout (HDC hdc,
int x,
int y)
{
- PangoLayoutIter *iter;
+ PangoLineIter *iter;
g_return_if_fail (hdc != NULL);
g_return_if_fail (PANGO_IS_LAYOUT (layout));
diff --git a/pango/serializer.c b/pango/serializer.c
index 0511d8d2..0fe41526 100644
--- a/pango/serializer.c
+++ b/pango/serializer.c
@@ -22,13 +22,10 @@
#include "config.h"
#include <pango/pango-layout.h>
-#include <pango/pango-layout-private.h>
#include <pango/pango-context-private.h>
#include <pango/pango-enum-types.h>
#include <pango/pango-font-private.h>
#include <pango/pango-line-private.h>
-#include <pango/pango-lines.h>
-#include <pango/pango-simple-layout.h>
#include <pango/pango-utils-internal.h>
#include <hb-ot.h>
@@ -236,14 +233,14 @@ static const char *direction_names[] = {
NULL
};
-static const char *alignment_names[] = {
- "left",
- "center",
- "right",
+static const char *wrap_names[] = {
+ "word",
+ "char",
+ "word-char",
NULL
};
-static const char *alignment_names2[] = {
+static const char *alignment_names[] = {
"left",
"center",
"right",
@@ -252,13 +249,6 @@ static const char *alignment_names2[] = {
NULL
};
-static const char *wrap_names[] = {
- "word",
- "char",
- "word-char",
- NULL
-};
-
static const char *ellipsize_names[] = {
"none",
"start",
@@ -639,7 +629,7 @@ add_font (GtkJsonPrinter *printer,
static void
add_run (GtkJsonPrinter *printer,
const char *text,
- PangoLayoutRun *run)
+ PangoGlyphItem *run)
{
char *str;
char buf[5] = { 0, };
@@ -713,136 +703,10 @@ add_run (GtkJsonPrinter *printer,
#undef ANALYSIS_FLAGS
static void
-add_line (GtkJsonPrinter *printer,
- PangoLayoutLine *line)
-{
- gtk_json_printer_start_object (printer, NULL);
-
- gtk_json_printer_add_integer (printer, "start-index", line->start_index);
- gtk_json_printer_add_integer (printer, "length", line->length);
- gtk_json_printer_add_boolean (printer, "paragraph-start", line->is_paragraph_start);
- gtk_json_printer_add_string (printer, "direction", direction_names[line->resolved_dir]);
-
- gtk_json_printer_start_array (printer, "runs");
- for (GSList *l = line->runs; l; l = l->next)
- {
- PangoLayoutRun *run = l->data;
- add_run (printer, line->layout->text, run);
- }
- gtk_json_printer_end (printer);
-
- gtk_json_printer_end (printer);
-}
-
-static void
-add_output (GtkJsonPrinter *printer,
- PangoLayout *layout)
-{
- int width, height;
- const PangoLogAttr *log_attrs;
- int n_attrs;
-
- gtk_json_printer_start_object (printer, "output");
-
- gtk_json_printer_add_boolean (printer, "is-wrapped", pango_layout_is_wrapped (layout));
- gtk_json_printer_add_boolean (printer, "is-ellipsized", pango_layout_is_ellipsized (layout));
- gtk_json_printer_add_integer (printer, "unknown-glyphs", pango_layout_get_unknown_glyphs_count (layout));
-
- pango_layout_get_size (layout, &width, &height);
- gtk_json_printer_add_integer (printer, "width", width);
- gtk_json_printer_add_integer (printer, "height", height);
-
- log_attrs = pango_layout_get_log_attrs_readonly (layout, &n_attrs);
- add_log_attrs (printer, log_attrs, n_attrs);
-
- gtk_json_printer_start_array (printer, "lines");
- for (GSList *l = layout->lines; l; l = l->next)
- {
- PangoLayoutLine *line = l->data;
-
- add_line (printer, line);
- }
- gtk_json_printer_end (printer);
-
- gtk_json_printer_end (printer);
-}
-
-static void
-layout_to_json (GtkJsonPrinter *printer,
- PangoLayout *layout,
- PangoLayoutSerializeFlags flags)
-{
- const char *str;
-
- gtk_json_printer_start_object (printer, NULL);
-
- if (flags & PANGO_LAYOUT_SERIALIZE_CONTEXT)
- add_context (printer, layout->context);
-
- str = (const char *) g_object_get_data (G_OBJECT (layout), "comment");
- if (str)
- gtk_json_printer_add_string (printer, "comment", str);
-
- gtk_json_printer_add_string (printer, "text", layout->text);
-
- add_attr_list (printer, layout->attrs);
-
- if (layout->font_desc)
- {
- char *str = pango_font_description_to_string (layout->font_desc);
- gtk_json_printer_add_string (printer, "font", str);
- g_free (str);
- }
-
- add_tab_array (printer, layout->tabs);
-
- if (layout->justify)
- gtk_json_printer_add_boolean (printer, "justify", TRUE);
-
- if (layout->justify_last_line)
- gtk_json_printer_add_boolean (printer, "justify-last-line", TRUE);
-
- if (layout->single_paragraph)
- gtk_json_printer_add_boolean (printer, "single-paragraph", TRUE);
-
- if (!layout->auto_dir)
- gtk_json_printer_add_boolean (printer, "auto-dir", FALSE);
-
- if (layout->alignment != PANGO_ALIGN_LEFT)
- gtk_json_printer_add_string (printer, "alignment", alignment_names[layout->alignment]);
-
- if (layout->wrap != PANGO_WRAP_WORD)
- gtk_json_printer_add_string (printer, "wrap", wrap_names[layout->wrap]);
-
- if (layout->ellipsize != PANGO_ELLIPSIZE_NONE)
- gtk_json_printer_add_string (printer, "ellipsize", ellipsize_names[layout->ellipsize]);
-
- if (layout->width != -1)
- gtk_json_printer_add_integer (printer, "width", layout->width);
-
- if (layout->height != -1)
- gtk_json_printer_add_integer (printer, "height", layout->height);
-
- if (layout->indent != 0)
- gtk_json_printer_add_integer (printer, "indent", layout->indent);
-
- if (layout->spacing != 0)
- gtk_json_printer_add_integer (printer, "spacing", layout->spacing);
-
- if (layout->line_spacing != 0.)
- gtk_json_printer_add_number (printer, "line-spacing", layout->line_spacing);
-
- if (flags & PANGO_LAYOUT_SERIALIZE_OUTPUT)
- add_output (printer, layout);
-
- gtk_json_printer_end (printer);
-}
-
-static void
-line_to_json (GtkJsonPrinter *printer,
- PangoLine *line,
- int x,
- int y)
+line_to_json (GtkJsonPrinter *printer,
+ PangoLine *line,
+ int x,
+ int y)
{
gtk_json_printer_start_object (printer, NULL);
@@ -869,7 +733,7 @@ line_to_json (GtkJsonPrinter *printer,
gtk_json_printer_start_array (printer, "runs");
for (GSList *l = line->runs; l; l = l->next)
{
- PangoLayoutRun *run = l->data;
+ PangoGlyphItem *run = l->data;
add_run (printer, line->data->text, run);
}
gtk_json_printer_end (printer);
@@ -887,6 +751,10 @@ lines_to_json (GtkJsonPrinter *printer,
gtk_json_printer_start_object (printer, "output");
+ gtk_json_printer_add_boolean (printer, "wrapped", pango_lines_is_wrapped (lines));
+ gtk_json_printer_add_boolean (printer, "ellipsized", pango_lines_is_ellipsized (lines));
+ gtk_json_printer_add_boolean (printer, "hypenated", pango_lines_is_hyphenated (lines));
+ gtk_json_printer_add_integer (printer, "unknown-glyphs", pango_lines_get_unknown_glyphs_count (lines));
pango_lines_get_size (lines, &width, &height);
gtk_json_printer_add_integer (printer, "width", width);
gtk_json_printer_add_integer (printer, "height", height);
@@ -907,68 +775,67 @@ lines_to_json (GtkJsonPrinter *printer,
}
static void
-simple_layout_to_json (GtkJsonPrinter *printer,
- PangoSimpleLayout *layout,
- PangoSimpleLayoutSerializeFlags flags)
+layout_to_json (GtkJsonPrinter *printer,
+ PangoLayout *layout,
+ PangoLayoutSerializeFlags flags)
{
const char *str;
gtk_json_printer_start_object (printer, NULL);
- if (flags & PANGO_SIMPLE_LAYOUT_SERIALIZE_CONTEXT)
- add_context (printer, pango_simple_layout_get_context (layout));
+ if (flags & PANGO_LAYOUT_SERIALIZE_CONTEXT)
+ add_context (printer, pango_layout_get_context (layout));
str = (const char *) g_object_get_data (G_OBJECT (layout), "comment");
if (str)
gtk_json_printer_add_string (printer, "comment", str);
- gtk_json_printer_add_string (printer, "text", pango_simple_layout_get_text (layout));
+ gtk_json_printer_add_string (printer, "text", pango_layout_get_text (layout));
- add_attr_list (printer, pango_simple_layout_get_attributes (layout));
+ add_attr_list (printer, pango_layout_get_attributes (layout));
- if (pango_simple_layout_get_font_description (layout))
+ if (pango_layout_get_font_description (layout))
{
- char *str = pango_font_description_to_string (pango_simple_layout_get_font_description (layout));
+ char *str = pango_font_description_to_string (pango_layout_get_font_description (layout));
gtk_json_printer_add_string (printer, "font", str);
g_free (str);
}
- if (pango_simple_layout_get_tabs (layout))
- add_tab_array (printer, pango_simple_layout_get_tabs (layout));
+ add_tab_array (printer, pango_layout_get_tabs (layout));
- if (!pango_simple_layout_get_auto_dir (layout))
+ if (!pango_layout_get_auto_dir (layout))
gtk_json_printer_add_boolean (printer, "auto-dir", FALSE);
- if (pango_simple_layout_get_alignment (layout) != PANGO_ALIGNMENT_LEFT)
- gtk_json_printer_add_string (printer, "alignment", alignment_names2[pango_simple_layout_get_alignment
(layout)]);
+ if (pango_layout_get_alignment (layout) != PANGO_ALIGN_LEFT)
+ gtk_json_printer_add_string (printer, "alignment", alignment_names[pango_layout_get_alignment (layout)]);
- if (pango_simple_layout_get_wrap (layout) != PANGO_WRAP_WORD)
- gtk_json_printer_add_string (printer, "wrap", wrap_names[pango_simple_layout_get_wrap (layout)]);
+ if (pango_layout_get_wrap (layout) != PANGO_WRAP_WORD)
+ gtk_json_printer_add_string (printer, "wrap", wrap_names[pango_layout_get_wrap (layout)]);
- if (pango_simple_layout_get_ellipsize (layout) != PANGO_ELLIPSIZE_NONE)
- gtk_json_printer_add_string (printer, "ellipsize", ellipsize_names[pango_simple_layout_get_ellipsize
(layout)]);
+ if (pango_layout_get_ellipsize (layout) != PANGO_ELLIPSIZE_NONE)
+ gtk_json_printer_add_string (printer, "ellipsize", ellipsize_names[pango_layout_get_ellipsize (layout)]);
- if (pango_simple_layout_get_width (layout) != -1)
- gtk_json_printer_add_integer (printer, "width", pango_simple_layout_get_width (layout));
+ if (pango_layout_get_width (layout) != -1)
+ gtk_json_printer_add_integer (printer, "width", pango_layout_get_width (layout));
- if (pango_simple_layout_get_height (layout) != -1)
- gtk_json_printer_add_integer (printer, "height", pango_simple_layout_get_height (layout));
+ if (pango_layout_get_height (layout) != -1)
+ gtk_json_printer_add_integer (printer, "height", pango_layout_get_height (layout));
- if (pango_simple_layout_get_indent (layout) != 0)
- gtk_json_printer_add_integer (printer, "indent", pango_simple_layout_get_indent (layout));
+ if (pango_layout_get_indent (layout) != 0)
+ gtk_json_printer_add_integer (printer, "indent", pango_layout_get_indent (layout));
- if (pango_simple_layout_get_line_spacing (layout) != 0.)
- gtk_json_printer_add_number (printer, "line-spacing", pango_simple_layout_get_line_spacing (layout));
+ if (pango_layout_get_line_spacing (layout) != 0.)
+ gtk_json_printer_add_number (printer, "line-spacing", pango_layout_get_line_spacing (layout));
if (flags & PANGO_LAYOUT_SERIALIZE_OUTPUT)
{
const PangoLogAttr *log_attrs;
int n_attrs;
- log_attrs = pango_simple_layout_get_log_attrs (layout, &n_attrs);
+ log_attrs = pango_layout_get_log_attrs (layout, &n_attrs);
add_log_attrs (printer, log_attrs, n_attrs);
- lines_to_json (printer, pango_simple_layout_get_lines (layout));
+ lines_to_json (printer, pango_layout_get_lines (layout));
}
gtk_json_printer_end (printer);
@@ -1521,9 +1388,6 @@ enum {
LAYOUT_ATTRIBUTES,
LAYOUT_FONT,
LAYOUT_TABS,
- LAYOUT_JUSTIFY,
- LAYOUT_JUSTIFY_LAST_LINE,
- LAYOUT_SINGLE_PARAGRAPH,
LAYOUT_AUTO_DIR,
LAYOUT_ALIGNMENT,
LAYOUT_WRAP,
@@ -1531,9 +1395,8 @@ enum {
LAYOUT_WIDTH,
LAYOUT_HEIGHT,
LAYOUT_INDENT,
- LAYOUT_SPACING,
LAYOUT_LINE_SPACING,
- LAYOUT_OUTPUT
+ LAYOUT_LINES
};
static const char *layout_members[] = {
@@ -1543,9 +1406,6 @@ static const char *layout_members[] = {
"attributes",
"font",
"tabs",
- "justify",
- "justify-last-line",
- "single-paragraph",
"auto-dir",
"alignment",
"wrap",
@@ -1553,9 +1413,8 @@ static const char *layout_members[] = {
"width",
"height",
"indent",
- "spacing",
"line-spacing",
- "output",
+ "lines",
NULL
};
@@ -1605,6 +1464,14 @@ json_parser_fill_layout (GtkJsonParser *parser,
}
break;
+ case LAYOUT_AUTO_DIR:
+ pango_layout_set_auto_dir (layout, gtk_json_parser_get_boolean (parser));
+ break;
+
+ case LAYOUT_LINE_SPACING:
+ pango_layout_set_line_spacing (layout, gtk_json_parser_get_number (parser));
+ break;
+
case LAYOUT_TABS:
{
PangoTabArray *tabs = pango_tab_array_new (0, FALSE);
@@ -1614,22 +1481,6 @@ json_parser_fill_layout (GtkJsonParser *parser,
}
break;
- case LAYOUT_JUSTIFY:
- pango_layout_set_justify (layout, gtk_json_parser_get_boolean (parser));
- break;
-
- case LAYOUT_JUSTIFY_LAST_LINE:
- pango_layout_set_justify_last_line (layout, gtk_json_parser_get_boolean (parser));
- break;
-
- case LAYOUT_SINGLE_PARAGRAPH:
- pango_layout_set_single_paragraph_mode (layout, gtk_json_parser_get_boolean (parser));
- break;
-
- case LAYOUT_AUTO_DIR:
- pango_layout_set_auto_dir (layout, gtk_json_parser_get_boolean (parser));
- break;
-
case LAYOUT_ALIGNMENT:
pango_layout_set_alignment (layout, (PangoAlignment) parser_select_string (parser,
alignment_names));
break;
@@ -1654,151 +1505,7 @@ json_parser_fill_layout (GtkJsonParser *parser,
pango_layout_set_indent (layout, (int) gtk_json_parser_get_number (parser));
break;
- case LAYOUT_SPACING:
- pango_layout_set_spacing (layout, (int) gtk_json_parser_get_number (parser));
- break;
-
- case LAYOUT_LINE_SPACING:
- pango_layout_set_line_spacing (layout, gtk_json_parser_get_number (parser));
- break;
-
- case LAYOUT_OUTPUT:
- break;
-
- default:
- break;
- }
- }
- while (gtk_json_parser_next (parser));
-
- gtk_json_parser_end (parser);
-}
-
-enum {
- SIMPLE_LAYOUT_CONTEXT,
- SIMPLE_LAYOUT_COMMENT,
- SIMPLE_LAYOUT_TEXT,
- SIMPLE_LAYOUT_ATTRIBUTES,
- SIMPLE_LAYOUT_FONT,
- SIMPLE_LAYOUT_TABS,
- SIMPLE_LAYOUT_AUTO_DIR,
- SIMPLE_LAYOUT_ALIGNMENT,
- SIMPLE_LAYOUT_WRAP,
- SIMPLE_LAYOUT_ELLIPSIZE,
- SIMPLE_LAYOUT_WIDTH,
- SIMPLE_LAYOUT_HEIGHT,
- SIMPLE_LAYOUT_INDENT,
- SIMPLE_LAYOUT_LINE_SPACING,
- SIMPLE_LAYOUT_LINES
-};
-
-static const char *simple_layout_members[] = {
- "context",
- "comment",
- "text",
- "attributes",
- "font",
- "tabs",
- "auto-dir",
- "alignment",
- "wrap",
- "ellipsize",
- "width",
- "height",
- "indent",
- "line-spacing",
- "lines",
- NULL
-};
-
-static void
-json_parser_fill_simple_layout (GtkJsonParser *parser,
- PangoSimpleLayout *layout,
- PangoSimpleLayoutDeserializeFlags flags)
-{
- gtk_json_parser_start_object (parser);
-
- do
- {
- char *str;
-
- switch (gtk_json_parser_select_member (parser, simple_layout_members))
- {
- case SIMPLE_LAYOUT_CONTEXT:
- if (flags & PANGO_LAYOUT_DESERIALIZE_CONTEXT)
- json_parser_fill_context (parser, pango_simple_layout_get_context (layout));
- break;
-
- case SIMPLE_LAYOUT_COMMENT:
- str = gtk_json_parser_get_string (parser);
- g_object_set_data_full (G_OBJECT (layout), "comment", str, g_free);
- break;
-
- case SIMPLE_LAYOUT_TEXT:
- str = gtk_json_parser_get_string (parser);
- pango_simple_layout_set_text (layout, str, -1);
- g_free (str);
- break;
-
- case SIMPLE_LAYOUT_ATTRIBUTES:
- {
- PangoAttrList *attributes = pango_attr_list_new ();
- json_parser_fill_attr_list (parser, attributes);
- pango_simple_layout_set_attributes (layout, attributes);
- pango_attr_list_unref (attributes);
- }
- break;
-
- case SIMPLE_LAYOUT_FONT:
- {
- PangoFontDescription *desc = parser_get_font_description (parser);;
- pango_simple_layout_set_font_description (layout, desc);
- pango_font_description_free (desc);
- }
- break;
-
- case SIMPLE_LAYOUT_AUTO_DIR:
- pango_simple_layout_set_auto_dir (layout, gtk_json_parser_get_boolean (parser));
- break;
-
- case SIMPLE_LAYOUT_LINE_SPACING:
- pango_simple_layout_set_line_spacing (layout, gtk_json_parser_get_number (parser));
- break;
-
- case SIMPLE_LAYOUT_TABS:
- {
- PangoTabArray *tabs = pango_tab_array_new (0, FALSE);
- json_parser_fill_tab_array (parser, tabs);
- pango_simple_layout_set_tabs (layout, tabs);
- pango_tab_array_free (tabs);
- }
- break;
-
- case SIMPLE_LAYOUT_ALIGNMENT:
- pango_simple_layout_set_alignment (layout, (PangoAlignment) parser_select_string (parser,
alignment_names2));
- break;
-
- case SIMPLE_LAYOUT_WRAP:
- pango_simple_layout_set_wrap (layout, (PangoWrapMode) parser_select_string (parser, wrap_names));
- break;
-
- case SIMPLE_LAYOUT_ELLIPSIZE:
- pango_simple_layout_set_ellipsize (layout, (PangoEllipsizeMode) parser_select_string (parser,
ellipsize_names));
- break;
-
- case SIMPLE_LAYOUT_WIDTH:
- pango_simple_layout_set_width (layout, (int) gtk_json_parser_get_number (parser));
- break;
-
- case SIMPLE_LAYOUT_HEIGHT:
- pango_simple_layout_set_height (layout, (int) gtk_json_parser_get_number (parser));
- break;
-
- case SIMPLE_LAYOUT_INDENT:
- pango_simple_layout_set_indent (layout, (int) gtk_json_parser_get_number (parser));
- break;
-
- case SIMPLE_LAYOUT_LINES:
+ case LAYOUT_LINES:
break;
default:
@@ -1873,8 +1580,6 @@ json_parser_load_font (GtkJsonParser *parser,
* The format is not meant as a permanent storage format.
*
* Returns: a `GBytes` containing the serialized form of @layout
- *
- * Since: 1.50
*/
GBytes *
pango_layout_serialize (PangoLayout *layout,
@@ -1905,9 +1610,6 @@ pango_layout_serialize (PangoLayout *layout,
/**
* pango_layout_write_to_file:
* @layout: a `PangoLayout`
- * @flags: `PangoLayoutSerializeFlags`
- * @filename: (type filename): the file to save it to
- * @error: Return location for a potential error
*
* A convenience method to serialize a layout to a file.
*
@@ -1920,27 +1622,24 @@ pango_layout_serialize (PangoLayout *layout,
* a layout to a file for later inspection.
*
* Returns: %TRUE if saving was successful
- *
- * Since: 1.50
*/
gboolean
-pango_layout_write_to_file (PangoLayout *layout,
- PangoLayoutSerializeFlags flags,
- const char *filename,
- GError **error)
+pango_layout_write_to_file (PangoLayout *layout,
+ const char *filename)
{
GBytes *bytes;
gboolean result;
g_return_val_if_fail (PANGO_IS_LAYOUT (layout), FALSE);
g_return_val_if_fail (filename != NULL, FALSE);
- g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
- bytes = pango_layout_serialize (layout, flags);
+ bytes = pango_layout_serialize (layout, PANGO_LAYOUT_SERIALIZE_CONTEXT |
+ PANGO_LAYOUT_SERIALIZE_OUTPUT);
+
result = g_file_set_contents (filename,
g_bytes_get_data (bytes, NULL),
g_bytes_get_size (bytes),
- error);
+ NULL);
g_bytes_unref (bytes);
return result;
@@ -1962,8 +1661,6 @@ pango_layout_write_to_file (PangoLayout *layout,
* result of serializing the layout again.
*
* Returns: (nullable) (transfer full): a new `PangoLayout`
- *
- * Since: 1.50
*/
PangoLayout *
pango_layout_deserialize (PangoContext *context,
@@ -2085,147 +1782,6 @@ pango_font_deserialize (PangoContext *context,
return font;
}
-/**
- * pango_simple_layout_serialize:
- * @layout: a `PangoSimpleLayout`
- * @flags: `PangoSipleLayoutSerializeFlags`
- *
- * Serializes the @layout for later deserialization via [func@Pango.SimpleLayout.deserialize].
- *
- * There are no guarantees about the format of the output across different
- * versions of Pango and [func@Pango.SimpleLayout.deserialize] will reject data
- * that it cannot parse.
- *
- * The intended use of this function is testing, benchmarking and debugging.
- * The format is not meant as a permanent storage format.
- *
- * Returns: a `GBytes` containing the serialized form of @layout
- */
-GBytes *
-pango_simple_layout_serialize (PangoSimpleLayout *layout,
- PangoSimpleLayoutSerializeFlags flags)
-{
- GString *str;
- GtkJsonPrinter *printer;
- char *data;
- gsize size;
-
- g_return_val_if_fail (PANGO_IS_SIMPLE_LAYOUT (layout), NULL);
-
- str = g_string_new ("");
-
- printer = gtk_json_printer_new (gstring_write, str, NULL);
- gtk_json_printer_set_flags (printer, GTK_JSON_PRINTER_PRETTY);
- simple_layout_to_json (printer, layout, flags);
- gtk_json_printer_free (printer);
-
- g_string_append_c (str, '\n');
-
- size = str->len;
- data = g_string_free (str, FALSE);
-
- return g_bytes_new_take (data, size);
-}
-
-/**
- * pango_simple_layout_write_to_file:
- * @layout: a `PangoLayout`
- *
- * A convenience method to serialize a layout to a file.
- *
- * It is equivalent to calling [method@Pango.SimpleLayout.serialize]
- * followed by [func@GLib.file_set_contents].
- *
- * See those two functions for details on the arguments.
- *
- * It is mostly intended for use inside a debugger to quickly dump
- * a layout to a file for later inspection.
- *
- * Returns: %TRUE if saving was successful
- */
-gboolean
-pango_simple_layout_write_to_file (PangoSimpleLayout *layout,
- const char *filename)
-{
- GBytes *bytes;
- gboolean result;
-
- g_return_val_if_fail (PANGO_IS_SIMPLE_LAYOUT (layout), FALSE);
- g_return_val_if_fail (filename != NULL, FALSE);
-
- bytes = pango_simple_layout_serialize (layout, PANGO_SIMPLE_LAYOUT_SERIALIZE_CONTEXT |
- PANGO_SIMPLE_LAYOUT_SERIALIZE_OUTPUT);
-
- result = g_file_set_contents (filename,
- g_bytes_get_data (bytes, NULL),
- g_bytes_get_size (bytes),
- NULL);
- g_bytes_unref (bytes);
-
- return result;
-}
-
-/**
- * pango_simple_layout_deserialize:
- * @context: a `PangoContext`
- * @flags: `PangoSimpleLayoutDeserializeFlags`
- * @bytes: the bytes containing the data
- * @error: return location for an error
- *
- * Loads data previously created via [method@Pango.SimpleLayout.serialize].
- *
- * For a discussion of the supported format, see that function.
- *
- * Note: to verify that the returned layout is identical to
- * the one that was serialized, you can compare @bytes to the
- * result of serializing the layout again.
- *
- * Returns: (nullable) (transfer full): a new `PangoSimpleLayout`
- */
-PangoSimpleLayout *
-pango_simple_layout_deserialize (PangoContext *context,
- GBytes *bytes,
- PangoSimpleLayoutDeserializeFlags flags,
- GError **error)
-{
- PangoSimpleLayout *layout;
- GtkJsonParser *parser;
- const GError *parser_error;
-
- g_return_val_if_fail (PANGO_IS_CONTEXT (context), NULL);
-
- layout = pango_simple_layout_new (context);
-
- parser = gtk_json_parser_new_for_bytes (bytes);
- json_parser_fill_simple_layout (parser, layout, flags);
-
- parser_error = gtk_json_parser_get_error (parser);
-
- if (parser_error)
- {
- gsize start, end;
- int code;
-
- gtk_json_parser_get_error_offset (parser, &start, &end);
-
- if (g_error_matches (parser_error, GTK_JSON_ERROR, GTK_JSON_ERROR_VALUE))
- code = PANGO_LAYOUT_DESERIALIZE_INVALID_VALUE;
- else if (g_error_matches (parser_error, GTK_JSON_ERROR, GTK_JSON_ERROR_SCHEMA))
- code = PANGO_LAYOUT_DESERIALIZE_MISSING_VALUE;
- else
- code = PANGO_LAYOUT_DESERIALIZE_INVALID;
-
- g_set_error (error, PANGO_LAYOUT_DESERIALIZE_ERROR, code,
- "%ld:%ld: %s", start, end, parser_error->message);
-
- g_clear_object (&layout);
- }
-
- gtk_json_parser_free (parser);
-
- return layout;
-}
-
/* }}} */
/* vim:set foldmethod=marker expandtab: */
diff --git a/tests/test-bidi.c b/tests/test-bidi.c
index edd597b7..aeae7c9d 100644
--- a/tests/test-bidi.c
+++ b/tests/test-bidi.c
@@ -73,7 +73,7 @@ test_bidi_embedding_levels (void)
}
}
-/* Some basic tests for pango_simple_layout_move_cursor inside
+/* Some basic tests for pango_layout_move_cursor inside
* a single PangoLine:
* - check that we actually move the cursor in the right direction
* - check that we get through the line with at most n steps
@@ -89,10 +89,10 @@ test_move_cursor_line (void)
"aאב12b",
"paragraph", // soft hyphens
};
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
gboolean fail = FALSE;
- layout = pango_simple_layout_new (context);
+ layout = pango_layout_new (context);
for (int i = 0; i < G_N_ELEMENTS (tests); i++)
{
@@ -123,15 +123,15 @@ test_move_cursor_line (void)
int j;
const char *p;
- pango_simple_layout_set_text (layout, tests[i], -1);
+ pango_layout_set_text (layout, tests[i], -1);
- text = pango_simple_layout_get_text (layout);
- lines = pango_simple_layout_get_lines (layout);
+ text = pango_layout_get_text (layout);
+ lines = pango_layout_get_lines (layout);
line = pango_lines_get_line (lines, 0, NULL, NULL);
n_chars = g_utf8_strlen (text, -1);
- attrs = pango_simple_layout_get_log_attrs (layout, &n_attrs);
+ attrs = pango_layout_get_log_attrs (layout, &n_attrs);
strong_cursor = g_new (int, n_attrs);
weak_cursor = g_new (int, n_attrs);
met_cursor = g_new (gboolean, n_attrs);
@@ -270,7 +270,7 @@ test_move_cursor_para (void)
{ "long word", 40 },
{ "זוהי השורה הראשונה" "\n" "זוהי השורה השנייה" "\n" "זוהי השורה השלישית" , 200 },
};
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoRectangle pos, old_pos;
int index;
int trailing;
@@ -281,19 +281,19 @@ test_move_cursor_para (void)
PangoLineIter *iter;
PangoLine *new_line;
- layout = pango_simple_layout_new (context);
+ layout = pango_layout_new (context);
for (int i = 0; i < G_N_ELEMENTS (tests); i++)
{
- pango_simple_layout_set_text (layout, tests[i].text, -1);
- text = pango_simple_layout_get_text (layout);
+ pango_layout_set_text (layout, tests[i].text, -1);
+ text = pango_layout_get_text (layout);
if (tests[i].width > 0)
- pango_simple_layout_set_width (layout, tests[i].width * PANGO_SCALE);
+ pango_layout_set_width (layout, tests[i].width * PANGO_SCALE);
else
- pango_simple_layout_set_width (layout, -1);
+ pango_layout_set_width (layout, -1);
index = 0;
- lines = pango_simple_layout_get_lines (layout);
+ lines = pango_layout_get_lines (layout);
pango_lines_get_cursor_pos (lines, NULL, index, &pos, NULL);
while (index < G_MAXINT)
diff --git a/tests/test-break.c b/tests/test-break.c
index 570ba1a5..d9039fc0 100644
--- a/tests/test-break.c
+++ b/tests/test-break.c
@@ -52,7 +52,7 @@ test_file (const gchar *filename, GString *string)
char *test;
char *text;
PangoAttrList *attributes;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
g_file_get_contents (filename, &contents, &length, &error);
g_assert_no_error (error);
@@ -69,9 +69,9 @@ test_file (const gchar *filename, GString *string)
pango_parse_markup (test, -1, 0, &attributes, &text, NULL, &error);
g_assert_no_error (error);
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, text, length);
- pango_simple_layout_set_attributes (layout, attributes);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, text, length);
+ pango_layout_set_attributes (layout, attributes);
#if 0
if (pango_layout_get_unknown_glyphs_count (layout) > 0)
@@ -90,7 +90,7 @@ test_file (const gchar *filename, GString *string)
}
#endif
- attrs = pango_simple_layout_get_log_attrs (layout, &len);
+ attrs = pango_layout_get_log_attrs (layout, &len);
if (!pango_validate_log_attrs (text, length, attrs, len, &error))
{
diff --git a/tests/test-ellipsize.c b/tests/test-ellipsize.c
index 3246f311..f8512a09 100644
--- a/tests/test-ellipsize.c
+++ b/tests/test-ellipsize.c
@@ -31,26 +31,26 @@ static PangoContext *context;
static void
test_ellipsize_height (void)
{
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
int height1, height2;
PangoFontDescription *desc;
- layout = pango_simple_layout_new (context);
+ layout = pango_layout_new (context);
desc = pango_font_description_from_string ("Fixed 7");
//pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
- pango_simple_layout_set_text (layout, "some text that should be ellipsized", -1);
- g_assert_cmpint (pango_lines_get_line_count (pango_simple_layout_get_lines (layout)), ==, 1);
- pango_lines_get_size (pango_simple_layout_get_lines (layout), NULL, &height1);
+ pango_layout_set_text (layout, "some text that should be ellipsized", -1);
+ g_assert_cmpint (pango_lines_get_line_count (pango_layout_get_lines (layout)), ==, 1);
+ pango_lines_get_size (pango_layout_get_lines (layout), NULL, &height1);
- pango_simple_layout_set_width (layout, 100 * PANGO_SCALE);
- pango_simple_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
+ pango_layout_set_width (layout, 100 * PANGO_SCALE);
+ pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
- g_assert_cmpint (pango_lines_get_line_count (pango_simple_layout_get_lines (layout)), ==, 1);
- g_assert_true (pango_lines_is_ellipsized (pango_simple_layout_get_lines (layout)));
- pango_lines_get_size (pango_simple_layout_get_lines (layout), NULL, &height2);
+ g_assert_cmpint (pango_lines_get_line_count (pango_layout_get_lines (layout)), ==, 1);
+ g_assert_true (pango_lines_is_ellipsized (pango_layout_get_lines (layout)));
+ pango_lines_get_size (pango_layout_get_lines (layout), NULL, &height2);
g_assert_cmpint (height1, ==, height2);
@@ -62,18 +62,18 @@ test_ellipsize_height (void)
static void
test_ellipsize_crash (void)
{
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
- layout = pango_simple_layout_new (context);
+ layout = pango_layout_new (context);
- pango_simple_layout_set_text (layout, "some text that should be ellipsized", -1);
- g_assert_cmpint (pango_lines_get_line_count (pango_simple_layout_get_lines (layout)), ==, 1);
+ pango_layout_set_text (layout, "some text that should be ellipsized", -1);
+ g_assert_cmpint (pango_lines_get_line_count (pango_layout_get_lines (layout)), ==, 1);
- pango_simple_layout_set_width (layout, 100 * PANGO_SCALE);
- pango_simple_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
+ pango_layout_set_width (layout, 100 * PANGO_SCALE);
+ pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
- g_assert_cmpint (pango_lines_get_line_count (pango_simple_layout_get_lines (layout)), ==, 1);
- g_assert_true (pango_lines_is_ellipsized (pango_simple_layout_get_lines (layout)));
+ g_assert_cmpint (pango_lines_get_line_count (pango_layout_get_lines (layout)), ==, 1);
+ g_assert_true (pango_lines_is_ellipsized (pango_layout_get_lines (layout)));
g_object_unref (layout);
}
@@ -84,21 +84,21 @@ test_ellipsize_crash (void)
static void
test_ellipsize_fully (void)
{
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoRectangle ink, logical;
PangoRectangle ink2, logical2;
- layout = pango_simple_layout_new (context);
+ layout = pango_layout_new (context);
- pango_simple_layout_set_text (layout, "…", -1);
- pango_lines_get_extents (pango_simple_layout_get_lines (layout), &ink, &logical);
+ pango_layout_set_text (layout, "…", -1);
+ pango_lines_get_extents (pango_layout_get_lines (layout), &ink, &logical);
- pango_simple_layout_set_text (layout, "ellipsized", -1);
+ pango_layout_set_text (layout, "ellipsized", -1);
- pango_simple_layout_set_width (layout, 10 * PANGO_SCALE);
- pango_simple_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
+ pango_layout_set_width (layout, 10 * PANGO_SCALE);
+ pango_layout_set_ellipsize (layout, PANGO_ELLIPSIZE_END);
- pango_lines_get_extents (pango_simple_layout_get_lines (layout), &ink2, &logical2);
+ pango_lines_get_extents (pango_layout_get_lines (layout), &ink2, &logical2);
g_assert_cmpint (ink.width, ==, ink2.width);
g_assert_cmpint (logical.width, ==, logical2.width);
diff --git a/tests/test-layout.c b/tests/test-layout.c
index fab6501f..f440952b 100644
--- a/tests/test-layout.c
+++ b/tests/test-layout.c
@@ -30,7 +30,6 @@
#include "config.h"
#include <pango/pangocairo.h>
#include <pango/pangocairo-fc.h>
-#include <pango/pangofc-fontmap.h>
#include "test-common.h"
@@ -45,7 +44,7 @@ test_layout (gconstpointer d)
gsize length;
GBytes *orig;
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
if (!PANGO_FC_IS_FONT_MAP (pango_cairo_font_map_get_default ()))
{
@@ -69,11 +68,11 @@ test_layout (gconstpointer d)
orig = g_bytes_new_take (contents, length);
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_deserialize (context, orig, PANGO_SIMPLE_LAYOUT_DESERIALIZE_CONTEXT, &error);
+ layout = pango_layout_deserialize (context, orig, PANGO_LAYOUT_DESERIALIZE_CONTEXT, &error);
g_assert_no_error (error);
- bytes = pango_simple_layout_serialize (layout, PANGO_SIMPLE_LAYOUT_SERIALIZE_CONTEXT |
- PANGO_SIMPLE_LAYOUT_SERIALIZE_OUTPUT);
+ bytes = pango_layout_serialize (layout, PANGO_LAYOUT_SERIALIZE_CONTEXT |
+ PANGO_LAYOUT_SERIALIZE_OUTPUT);
g_object_unref (layout);
g_object_unref (context);
@@ -176,17 +175,17 @@ main (int argc, char *argv[])
GBytes *orig;
GBytes *bytes;
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
g_file_get_contents (argv[1], &contents, &length, &error);
g_assert_no_error (error);
orig = g_bytes_new_take (contents, length);
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_deserialize (context, orig, PANGO_SIMPLE_LAYOUT_DESERIALIZE_CONTEXT,
&error);
+ layout = pango_layout_deserialize (context, orig, PANGO_LAYOUT_DESERIALIZE_CONTEXT, &error);
g_assert_no_error (error);
- bytes = pango_simple_layout_serialize (layout, PANGO_SIMPLE_LAYOUT_SERIALIZE_CONTEXT |
- PANGO_SIMPLE_LAYOUT_SERIALIZE_OUTPUT);
+ bytes = pango_layout_serialize (layout, PANGO_LAYOUT_SERIALIZE_CONTEXT |
+ PANGO_LAYOUT_SERIALIZE_OUTPUT);
g_object_unref (layout);
g_object_unref (context);
diff --git a/tests/test-pangocairo-threads.c b/tests/test-pangocairo-threads.c
index 308f87e4..abdc5624 100644
--- a/tests/test-pangocairo-threads.c
+++ b/tests/test-pangocairo-threads.c
@@ -18,20 +18,20 @@ create_surface (void)
return cairo_image_surface_create (CAIRO_FORMAT_A8, WIDTH, HEIGHT);
}
-static PangoSimpleLayout *
+static PangoLayout *
create_layout (cairo_t *cr)
{
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
- layout = pango_cairo_create_simple_layout (cr);
- pango_simple_layout_set_text (layout, text, -1);
- pango_simple_layout_set_width (layout, WIDTH * PANGO_SCALE);
+ layout = pango_cairo_create_layout (cr);
+ pango_layout_set_text (layout, text, -1);
+ pango_layout_set_width (layout, WIDTH * PANGO_SCALE);
return layout;
}
static void
-draw (cairo_t *cr, PangoSimpleLayout *layout, unsigned int i)
+draw (cairo_t *cr, PangoLayout *layout, unsigned int i)
{
cairo_set_source_rgba (cr, 1, 1, 1, 1);
cairo_paint (cr);
@@ -40,16 +40,16 @@ draw (cairo_t *cr, PangoSimpleLayout *layout, unsigned int i)
cairo_identity_matrix (cr);
cairo_scale (cr, (100 + i) / 100., (100 + i) / 100.);
- pango_cairo_update_context (cr, pango_simple_layout_get_context (layout));
+ pango_cairo_update_context (cr, pango_layout_get_context (layout));
- pango_cairo_show_lines (cr, pango_simple_layout_get_lines (layout));
+ pango_cairo_show_lines (cr, pango_layout_get_lines (layout));
}
static gpointer
thread_func (gpointer data)
{
cairo_surface_t *surface = data;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
int i;
cairo_t *cr = cairo_create (surface);
@@ -102,7 +102,7 @@ pangocairo_threads (void)
{
cairo_surface_t *ref_surface = create_surface ();
cairo_t *cr = cairo_create (ref_surface);
- PangoSimpleLayout *layout = create_layout (cr);
+ PangoLayout *layout = create_layout (cr);
unsigned char *ref_data = cairo_image_surface_get_data (ref_surface);
unsigned int len = WIDTH * HEIGHT;
diff --git a/tests/testiter.c b/tests/testiter.c
index 5282c236..8374505f 100644
--- a/tests/testiter.c
+++ b/tests/testiter.c
@@ -77,21 +77,21 @@ const char *test_texts[] =
* - GlyphString's index_to_x positions match those returned by the Iter
*/
static void
-iter_char_test (PangoSimpleLayout *layout)
+iter_char_test (PangoLayout *layout)
{
PangoRectangle extents, run_extents;
PangoLineIter *iter;
- PangoGlyphItem *run;
+ PangoRun *run;
int num_chars;
int i, index, offset;
int leading_x, trailing_x, x0, x1;
gboolean iter_next_ok, rtl;
const char *text, *ptr;
- text = pango_simple_layout_get_text (layout);
+ text = pango_layout_get_text (layout);
num_chars = g_utf8_strlen (text, -1);
- iter = pango_lines_get_iter (pango_simple_layout_get_lines (layout));
+ iter = pango_lines_get_iter (pango_layout_get_lines (layout));
iter_next_ok = TRUE;
for (i = 0 ; i < num_chars; ++i)
@@ -117,26 +117,31 @@ iter_char_test (PangoSimpleLayout *layout)
{
PangoFontDescription *desc;
char *str;
+ PangoItem *item;
+ PangoGlyphString *glyphs;
+
+ item = pango_run_get_item (run);
+ glyphs = pango_run_get_glyphs (run);
/* Get needed data for the GlyphString */
pango_line_iter_get_run_extents (iter, NULL, &run_extents);
- offset = run->item->offset;
- rtl = run->item->analysis.level%2;
- desc = pango_font_describe (run->item->analysis.font);
+ offset = item->offset;
+ rtl = item->analysis.level%2;
+ desc = pango_font_describe (item->analysis.font);
str = pango_font_description_to_string (desc);
verbose (" (current run: font=%s,offset=%d,x=%d,len=%d,rtl=%d)\n",
- str, offset, run_extents.x, run->item->length, rtl);
+ str, offset, run_extents.x, item->length, rtl);
g_free (str);
pango_font_description_free (desc);
/* Calculate expected x result using index_to_x */
- pango_glyph_string_index_to_x (run->glyphs,
- (char *)(text + offset), run->item->length,
- &run->item->analysis,
+ pango_glyph_string_index_to_x (glyphs,
+ (char *)(text + offset), item->length,
+ &item->analysis,
index - offset, FALSE, &leading_x);
- pango_glyph_string_index_to_x (run->glyphs,
- (char *)(text + offset), run->item->length,
- &run->item->analysis,
+ pango_glyph_string_index_to_x (glyphs,
+ (char *)(text + offset), item->length,
+ &item->analysis,
index - offset, TRUE, &trailing_x);
x0 = run_extents.x + MIN (leading_x, trailing_x);
@@ -165,16 +170,16 @@ iter_char_test (PangoSimpleLayout *layout)
}
static void
-iter_cluster_test (PangoSimpleLayout *layout)
+iter_cluster_test (PangoLayout *layout)
{
PangoRectangle extents;
PangoLineIter *iter;
int index;
gboolean iter_next_ok;
- PangoLine *last_line = NULL;
+ PangoLine *last_line = NULL;
int expected_next_x = 0;
- iter = pango_lines_get_iter (pango_simple_layout_get_lines (layout));
+ iter = pango_lines_get_iter (pango_layout_get_lines (layout));
iter_next_ok = TRUE;
while (iter_next_ok)
@@ -214,21 +219,21 @@ iter_cluster_test (PangoSimpleLayout *layout)
}
static void
-test_layout_iter (void)
+test_line_iter (void)
{
const char **ptext;
PangoFontMap *fontmap;
PangoContext *context;
PangoFontDescription *font_desc;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
fontmap = pango_cairo_font_map_get_default ();
context = pango_font_map_create_context (fontmap);
font_desc = pango_font_description_from_string ("cantarell 11");
pango_context_set_font_description (context, font_desc);
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_width (layout, LAYOUT_WIDTH);
+ layout = pango_layout_new (context);
+ pango_layout_set_width (layout, LAYOUT_WIDTH);
for (ptext = test_texts; *ptext != NULL; ++ptext)
{
@@ -237,7 +242,7 @@ test_layout_iter (void)
verbose ( "len=%ld, bytes=%ld\n",
(long)g_utf8_strlen (*ptext, -1), (long)strlen (*ptext));
- pango_simple_layout_set_text (layout, *ptext, -1);
+ pango_layout_set_text (layout, *ptext, -1);
iter_char_test (layout);
iter_cluster_test (layout);
}
@@ -253,7 +258,7 @@ test_glyphitem_iter (void)
PangoFontMap *fontmap;
PangoContext *context;
PangoFontDescription *font_desc;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoLine *line;
const char *text;
GSList *l;
@@ -263,12 +268,12 @@ test_glyphitem_iter (void)
font_desc = pango_font_description_from_string ("cantarell 11");
pango_context_set_font_description (context, font_desc);
- layout = pango_simple_layout_new (context);
+ layout = pango_layout_new (context);
/* This shouldn't form any ligatures. */
- pango_simple_layout_set_text (layout, "test تست", -1);
- text = pango_simple_layout_get_text (layout);
+ pango_layout_set_text (layout, "test تست", -1);
+ text = pango_layout_get_text (layout);
- line = pango_lines_get_line (pango_simple_layout_get_lines (layout), 0, NULL, NULL);
+ line = pango_lines_get_line (pango_layout_get_lines (layout), 0, NULL, NULL);
for (l = pango_line_get_runs (line); l; l = l->next)
{
PangoGlyphItem *run = l->data;
@@ -315,7 +320,7 @@ main (int argc, char *argv[])
{
g_test_init (&argc, &argv, NULL);
- g_test_add_func ("/layout/iter", test_layout_iter);
+ g_test_add_func ("/layout/iter", test_line_iter);
g_test_add_func ("/layout/glyphitem-iter", test_glyphitem_iter);
return g_test_run ();
diff --git a/tests/testmisc.c b/tests/testmisc.c
index b3d7eb49..a8c6c689 100644
--- a/tests/testmisc.c
+++ b/tests/testmisc.c
@@ -57,13 +57,13 @@ static void
test_short_string_crash (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoRectangle ext;
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, "short text", 200);
- pango_lines_get_extents (pango_simple_layout_get_lines (layout), &ext, &ext);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, "short text", 200);
+ pango_lines_get_extents (pango_layout_get_lines (layout), &ext, &ext);
g_object_unref (layout);
g_object_unref (context);
@@ -87,14 +87,14 @@ static void
test_line_height (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoLine *line;
PangoRectangle ext;
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, "one\ttwo", -1);
- line = pango_lines_get_line (pango_simple_layout_get_lines (layout), 0, NULL, NULL);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, "one\ttwo", -1);
+ line = pango_lines_get_line (pango_layout_get_lines (layout), 0, NULL, NULL);
pango_line_get_extents (line, NULL, &ext);
g_assert_cmpint (ext.height, >, 0);
@@ -107,27 +107,27 @@ static void
test_line_height2 (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoLine *line;
PangoRectangle ext1, ext2;
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, "one", -1);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, "one", -1);
- line = pango_lines_get_line (pango_simple_layout_get_lines (layout), 0, NULL, NULL);
+ line = pango_lines_get_line (pango_layout_get_lines (layout), 0, NULL, NULL);
g_assert_nonnull (line);
pango_line_get_extents (line, NULL, &ext1);
- pango_simple_layout_write_to_file (layout, "one.layout");
+ pango_layout_write_to_file (layout, "one.layout");
- pango_simple_layout_set_text (layout, "", -1);
+ pango_layout_set_text (layout, "", -1);
- line = pango_lines_get_line (pango_simple_layout_get_lines (layout), 0, NULL, NULL);
+ line = pango_lines_get_line (pango_layout_get_lines (layout), 0, NULL, NULL);
g_assert_nonnull (line);
pango_line_get_extents (line, NULL, &ext2);
- pango_simple_layout_write_to_file (layout, "empty.layout");
+ pango_layout_write_to_file (layout, "empty.layout");
g_assert_cmpint (ext1.height, ==, ext2.height);
@@ -139,28 +139,28 @@ static void
test_line_height3 (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoLine *line;
PangoAttrList *attrs;
PangoRectangle ext1;
PangoRectangle ext2;
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, "one", -1);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, "one", -1);
attrs = pango_attr_list_new ();
pango_attr_list_insert (attrs, pango_attr_line_height_new (2.0));
- pango_simple_layout_set_attributes (layout, attrs);
+ pango_layout_set_attributes (layout, attrs);
pango_attr_list_unref (attrs);
- line = pango_lines_get_line (pango_simple_layout_get_lines (layout), 0, NULL, NULL);
- g_assert_cmpint (pango_lines_get_line_count (pango_simple_layout_get_lines (layout)), ==, 1);
+ line = pango_lines_get_line (pango_layout_get_lines (layout), 0, NULL, NULL);
+ g_assert_cmpint (pango_lines_get_line_count (pango_layout_get_lines (layout)), ==, 1);
pango_line_get_extents (line, NULL, &ext1);
- pango_simple_layout_set_text (layout, "", -1);
+ pango_layout_set_text (layout, "", -1);
- g_assert_cmpint (pango_lines_get_line_count (pango_simple_layout_get_lines (layout)), ==, 1);
- line = pango_lines_get_line (pango_simple_layout_get_lines (layout), 0, NULL, NULL);
+ g_assert_cmpint (pango_lines_get_line_count (pango_layout_get_lines (layout)), ==, 1);
+ line = pango_lines_get_line (pango_layout_get_lines (layout), 0, NULL, NULL);
pango_line_get_extents (line, NULL, &ext2);
g_assert_cmpint (ext1.height, ==, ext2.height);
@@ -173,7 +173,7 @@ static void
test_run_height (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoLineIter *iter;
PangoRectangle logical1, logical2;
@@ -184,16 +184,16 @@ test_run_height (void)
}
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, "one", -1);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, "one", -1);
- iter = pango_lines_get_iter (pango_simple_layout_get_lines (layout));
+ iter = pango_lines_get_iter (pango_layout_get_lines (layout));
pango_line_iter_get_run_extents (iter, NULL, &logical1);
pango_line_iter_free (iter);
- pango_simple_layout_set_text (layout, "", -1);
+ pango_layout_set_text (layout, "", -1);
- iter = pango_lines_get_iter (pango_simple_layout_get_lines (layout));
+ iter = pango_lines_get_iter (pango_layout_get_lines (layout));
pango_line_iter_get_run_extents (iter, NULL, &logical2);
pango_line_iter_free (iter);
@@ -207,13 +207,13 @@ static void
test_cursor_height (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoRectangle strong;
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, "one\ttwo", -1);
- pango_lines_get_cursor_pos (pango_simple_layout_get_lines (layout), NULL, 0, &strong, NULL);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, "one\ttwo", -1);
+ pango_lines_get_cursor_pos (pango_layout_get_lines (layout), NULL, 0, &strong, NULL);
g_assert_cmpint (strong.height, >, 0);
@@ -225,7 +225,7 @@ static void
test_cursor_height2 (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoRectangle strong1, strong2;
if (strcmp (G_OBJECT_TYPE_NAME (pango_cairo_font_map_get_default ()), "PangoCairoCoreTextFontMap") == 0)
@@ -235,14 +235,14 @@ test_cursor_height2 (void)
}
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, "one", -1);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, "one", -1);
- pango_lines_get_cursor_pos (pango_simple_layout_get_lines (layout), NULL, 0, &strong1, NULL);
+ pango_lines_get_cursor_pos (pango_layout_get_lines (layout), NULL, 0, &strong1, NULL);
- pango_simple_layout_set_text (layout, "", -1);
+ pango_layout_set_text (layout, "", -1);
- pango_lines_get_cursor_pos (pango_simple_layout_get_lines (layout), NULL, 0, &strong2, NULL);
+ pango_lines_get_cursor_pos (pango_layout_get_lines (layout), NULL, 0, &strong2, NULL);
g_assert_cmpint (strong1.height, ==, strong2.height);
@@ -416,22 +416,22 @@ static void
test_get_cursor_crash (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
int i;
const char *string = "foo\n\rbar\r\nbaz\n\nqux\n\n..";
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
+ layout = pango_layout_new (context);
- pango_simple_layout_set_text (layout, string, -1);
+ pango_layout_set_text (layout, string, -1);
for (i = 0; string[i]; i++)
{
PangoRectangle rectA, rectB;
- pango_lines_get_cursor_pos (pango_simple_layout_get_lines (layout), NULL, i, &rectA, &rectB);
+ pango_lines_get_cursor_pos (pango_layout_get_lines (layout), NULL, i, &rectA, &rectB);
g_assert_cmpint (rectA.x, ==, rectB.x);
}
@@ -448,27 +448,27 @@ test_get_cursor (void)
{
const char *text = "abאב";
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoRectangle strong, weak;
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, text, -1);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, text, -1);
- pango_lines_get_cursor_pos (pango_simple_layout_get_lines (layout), NULL, 0, &strong, &weak);
+ pango_lines_get_cursor_pos (pango_layout_get_lines (layout), NULL, 0, &strong, &weak);
g_assert_cmpint (strong.x, ==, weak.x);
- pango_lines_get_cursor_pos (pango_simple_layout_get_lines (layout), NULL, 1, &strong, &weak);
+ pango_lines_get_cursor_pos (pango_layout_get_lines (layout), NULL, 1, &strong, &weak);
g_assert_cmpint (strong.x, ==, weak.x);
- pango_lines_get_cursor_pos (pango_simple_layout_get_lines (layout), NULL, 2, &strong, &weak);
+ pango_lines_get_cursor_pos (pango_layout_get_lines (layout), NULL, 2, &strong, &weak);
g_assert_cmpint (strong.x, !=, weak.x);
- pango_lines_get_cursor_pos (pango_simple_layout_get_lines (layout), NULL, 4, &strong, &weak);
+ pango_lines_get_cursor_pos (pango_layout_get_lines (layout), NULL, 4, &strong, &weak);
g_assert_cmpint (strong.x, ==, weak.x);
- pango_lines_get_cursor_pos (pango_simple_layout_get_lines (layout), NULL, 6, &strong, &weak);
+ pango_lines_get_cursor_pos (pango_layout_get_lines (layout), NULL, 6, &strong, &weak);
g_assert_cmpint (strong.x, !=, weak.x);
g_object_unref (layout);
@@ -488,13 +488,13 @@ test_index_to_x (void)
for (int i = 0; i < G_N_ELEMENTS (tests); i++)
{
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
const char *text;
const char *p;
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, tests[i], -1);
- text = pango_simple_layout_get_text (layout);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, tests[i], -1);
+ text = pango_layout_get_text (layout);
for (p = text; *p; p = g_utf8_next_char (p))
{
@@ -506,7 +506,7 @@ test_index_to_x (void)
ch = g_utf8_get_char (p);
- pango_lines_index_to_line (pango_simple_layout_get_lines (layout), index, &line, NULL, NULL, NULL);
+ pango_lines_index_to_line (pango_layout_get_lines (layout), index, &line, NULL, NULL, NULL);
g_assert_nonnull (line);
pango_line_index_to_x (line, index, 0, &x);
@@ -555,7 +555,7 @@ test_extents (void)
for (int i = 0; i < G_N_ELEMENTS (tests); i++)
{
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoLines *lines;
PangoLineIter *iter;
PangoRectangle layout_extents;
@@ -567,11 +567,11 @@ test_extents (void)
PangoRectangle strong, weak;
int index;
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, tests[i].text, -1);
- pango_simple_layout_set_width (layout, tests[i].width > 0 ? tests[i].width * PANGO_SCALE :
tests[i].width);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, tests[i].text, -1);
+ pango_layout_set_width (layout, tests[i].width > 0 ? tests[i].width * PANGO_SCALE : tests[i].width);
- lines = pango_simple_layout_get_lines (layout);
+ lines = pango_layout_get_lines (layout);
pango_lines_get_extents (lines, NULL, &layout_extents);
iter = pango_lines_get_iter (lines);
@@ -613,7 +613,7 @@ static void
test_empty_line_height (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoFontDescription *description;
PangoRectangle ext1, ext2, ext3;
cairo_font_options_t *options;
@@ -640,20 +640,20 @@ test_empty_line_height (void)
pango_cairo_context_set_font_options (context, options);
cairo_font_options_destroy (options);
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_font_description (layout, description);
+ layout = pango_layout_new (context);
+ pango_layout_set_font_description (layout, description);
- pango_lines_get_extents (pango_simple_layout_get_lines (layout), NULL, &ext1);
+ pango_lines_get_extents (pango_layout_get_lines (layout), NULL, &ext1);
- pango_simple_layout_set_text (layout, "a", 1);
+ pango_layout_set_text (layout, "a", 1);
- pango_lines_get_extents (pango_simple_layout_get_lines (layout), NULL, &ext2);
+ pango_lines_get_extents (pango_layout_get_lines (layout), NULL, &ext2);
g_assert_cmpint (ext1.height, ==, ext2.height);
- pango_simple_layout_set_text (layout, "Pg", 1);
+ pango_layout_set_text (layout, "Pg", 1);
- pango_lines_get_extents (pango_simple_layout_get_lines (layout), NULL, &ext3);
+ pango_lines_get_extents (pango_layout_get_lines (layout), NULL, &ext3);
g_assert_cmpint (ext2.height, ==, ext3.height);
@@ -748,19 +748,19 @@ static void
test_wrap_char (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoRectangle ext, ext1;
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, "Rows can have suffix widgets", -1);
- pango_simple_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, "Rows can have suffix widgets", -1);
+ pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
- pango_simple_layout_set_width (layout, 0);
- pango_lines_get_extents (pango_simple_layout_get_lines (layout), NULL, &ext);
+ pango_layout_set_width (layout, 0);
+ pango_lines_get_extents (pango_layout_get_lines (layout), NULL, &ext);
- pango_simple_layout_set_width (layout, ext.width);
- pango_lines_get_extents (pango_simple_layout_get_lines (layout), NULL, &ext1);
+ pango_layout_set_width (layout, ext.width);
+ pango_lines_get_extents (pango_layout_get_lines (layout), NULL, &ext1);
g_assert_cmpint (ext.width, ==, ext1.width);
g_assert_cmpint (ext.height, >=, ext1.height);
@@ -774,7 +774,7 @@ static void
test_small_caps_crash (void)
{
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
PangoFontDescription *desc;
PangoRectangle ext;
@@ -785,13 +785,13 @@ test_small_caps_crash (void)
}
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
- layout = pango_simple_layout_new (context);
+ layout = pango_layout_new (context);
desc = pango_font_description_from_string ("Cantarell Small-Caps 11");
- pango_simple_layout_set_font_description (layout, desc);
+ pango_layout_set_font_description (layout, desc);
- pango_simple_layout_set_text (layout, "Pere Ràfols Soler\nEqualiser, LV2\nAudio: 1, 1\nMidi: 0,
0\nControls: 53, 2\nCV: 0, 0", -1);
+ pango_layout_set_text (layout, "Pere Ràfols Soler\nEqualiser, LV2\nAudio: 1, 1\nMidi: 0, 0\nControls: 53,
2\nCV: 0, 0", -1);
- pango_lines_get_extents (pango_simple_layout_get_lines (layout), NULL, &ext);
+ pango_lines_get_extents (pango_layout_get_lines (layout), NULL, &ext);
pango_font_description_free (desc);
g_object_unref (layout);
diff --git a/tests/testrandom.c b/tests/testrandom.c
index 8c0ef83f..d2e1bd19 100644
--- a/tests/testrandom.c
+++ b/tests/testrandom.c
@@ -92,13 +92,13 @@ compare_size (gconstpointer a,
}
static void
-layout_check_size (PangoSimpleLayout *layout,
+layout_check_size (PangoLayout *layout,
int width,
Size *out_size)
{
out_size->set_width = width;
- pango_simple_layout_set_width (layout, width);
- pango_lines_get_size (pango_simple_layout_get_lines (layout), &out_size->width, &out_size->height);
+ pango_layout_set_width (layout, width);
+ pango_lines_get_size (pango_layout_get_lines (layout), &out_size->width, &out_size->height);
}
static void
@@ -107,7 +107,7 @@ test_wrap_char (gconstpointer data)
PangoDirection dir = GPOINTER_TO_UINT (data);
PangoFontDescription *desc;
PangoContext *context;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
char *sentence;
Size min, max;
Size sizes[100];
@@ -115,15 +115,15 @@ test_wrap_char (gconstpointer data)
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
desc = pango_font_description_from_string ("Sans 10");
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_font_description (layout, desc);
+ layout = pango_layout_new (context);
+ pango_layout_set_font_description (layout, desc);
pango_font_description_free (desc);
- pango_simple_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
+ pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);
for (j = 0; j < N_SENTENCES; j++)
{
sentence = create_random_sentence (dir);
- pango_simple_layout_set_text (layout, sentence, -1);
+ pango_layout_set_text (layout, sentence, -1);
g_test_message ("%s", sentence);
g_free (sentence);
@@ -177,7 +177,7 @@ test_wrap_char_min_width (gconstpointer data)
PangoDirection dir = GPOINTER_TO_UINT (data);
PangoFontDescription *desc;
PangoContext *context;
- PangoSimpleLayout *test_layout, *ref_layout;
+ PangoLayout *test_layout, *ref_layout;
char *sentence, *s;
GString *ref_string;
gsize j;
@@ -185,18 +185,18 @@ test_wrap_char_min_width (gconstpointer data)
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
desc = pango_font_description_from_string ("Sans 10");
- ref_layout = pango_simple_layout_new (context);
- pango_simple_layout_set_font_description (ref_layout, desc);
- test_layout = pango_simple_layout_new (context);
- pango_simple_layout_set_font_description (test_layout, desc);
- pango_simple_layout_set_wrap (test_layout, PANGO_WRAP_WORD_CHAR);
- pango_simple_layout_set_width (test_layout, 0);
+ ref_layout = pango_layout_new (context);
+ pango_layout_set_font_description (ref_layout, desc);
+ test_layout = pango_layout_new (context);
+ pango_layout_set_font_description (test_layout, desc);
+ pango_layout_set_wrap (test_layout, PANGO_WRAP_WORD_CHAR);
+ pango_layout_set_width (test_layout, 0);
pango_font_description_free (desc);
for (j = 0; j < N_SENTENCES; j++)
{
sentence = create_random_sentence (dir);
- pango_simple_layout_set_text (test_layout, sentence, -1);
+ pango_layout_set_text (test_layout, sentence, -1);
g_test_message ("%s", sentence);
ref_string = g_string_new ("");
for (s = sentence; *s; s = g_utf8_next_char (s))
@@ -205,12 +205,12 @@ test_wrap_char_min_width (gconstpointer data)
g_string_append_unichar (ref_string, g_test_rand_bit () ? 0x2010 : '-');
g_string_append_c (ref_string, '\n');
}
- pango_simple_layout_set_text (ref_layout, ref_string->str, ref_string->len);
+ pango_layout_set_text (ref_layout, ref_string->str, ref_string->len);
g_string_free (ref_string, TRUE);
g_free (sentence);
- pango_lines_get_size (pango_simple_layout_get_lines (test_layout), &test_width, NULL);
- pango_lines_get_size (pango_simple_layout_get_lines (ref_layout), &ref_width, NULL);
+ pango_lines_get_size (pango_layout_get_lines (test_layout), &test_width, NULL);
+ pango_lines_get_size (pango_layout_get_lines (ref_layout), &ref_width, NULL);
g_assert_cmpint (test_width, <=, ref_width);
}
diff --git a/utils/pango-segmentation.c b/utils/pango-segmentation.c
index 179def49..4c00dcc4 100644
--- a/utils/pango-segmentation.c
+++ b/utils/pango-segmentation.c
@@ -68,7 +68,7 @@ show_segmentation (const char *input,
int i;
char *text;
PangoAttrList *attributes;
- PangoSimpleLayout *layout;
+ PangoLayout *layout;
context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
@@ -80,11 +80,11 @@ show_segmentation (const char *input,
pango_parse_markup (input, -1, 0, &attributes, &text, NULL, &error);
g_assert_no_error (error);
- layout = pango_simple_layout_new (context);
- pango_simple_layout_set_text (layout, text, length);
- pango_simple_layout_set_attributes (layout, attributes);
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, text, length);
+ pango_layout_set_attributes (layout, attributes);
- attrs = pango_simple_layout_get_log_attrs (layout, &len);
+ attrs = pango_layout_get_log_attrs (layout, &len);
for (i = 0, p = text; i < len; i++, p = g_utf8_next_char (p))
{
diff --git a/utils/viewer-pangocairo.c b/utils/viewer-pangocairo.c
index ae5813bb..f2b5c85b 100644
--- a/utils/viewer-pangocairo.c
+++ b/utils/viewer-pangocairo.c
@@ -25,6 +25,7 @@
#include "viewer-cairo.h"
#include <pango/pangocairo.h>
+#include <pango/pango-run.h>
#include <hb-ot.h>
@@ -206,9 +207,9 @@ render_callback (PangoLayout *layout,
cairo_pattern_t *pattern;
PangoRectangle ink, logical;
double lw = cairo_get_line_width (cr);
- PangoLayoutIter* iter;
+ PangoLineIter *iter;
- pango_layout_get_extents (layout, &ink, &logical);
+ pango_lines_get_extents (pango_layout_get_lines (layout), &ink, &logical);
if (annotate & ANNOTATE_GRAVITY_ROOF)
{
@@ -286,15 +287,15 @@ render_callback (PangoLayout *layout,
iter = pango_layout_get_iter (layout);
do
{
- PangoLayoutLine *line = pango_layout_iter_get_line (iter);
+ PangoLine *line = pango_line_iter_get_line (iter);
double width = (double)logical.width / PANGO_SCALE;
- y = pango_layout_iter_get_baseline (iter);
+ y = pango_line_iter_get_line_baseline (iter);
cairo_save (cr);
cairo_translate (cr,
(double)logical.x / PANGO_SCALE + width * 0.5,
(double)y / PANGO_SCALE);
- if (line->resolved_dir)
+ if (pango_line_get_resolved_direction (line))
cairo_scale (cr, -1, 1);
cairo_move_to (cr, -width * .5, -lw*0.2);
cairo_rel_line_to (cr, +width * .9, -lw*0.3);
@@ -307,8 +308,8 @@ render_callback (PangoLayout *layout,
cairo_fill (cr);
cairo_restore (cr);
}
- while (pango_layout_iter_next_line (iter));
- pango_layout_iter_free (iter);
+ while (pango_line_iter_next_line (iter));
+ pango_line_iter_free (iter);
cairo_restore (cr);
}
@@ -323,7 +324,8 @@ render_callback (PangoLayout *layout,
iter = pango_layout_get_iter (layout);
do
{
- PangoLayoutRun *run;
+ PangoRun *run;
+ PangoItem *item;
PangoRectangle rect;
hb_font_t *hb_font;
hb_ot_layout_baseline_tag_t baselines[] = {
@@ -340,32 +342,34 @@ render_callback (PangoLayout *layout,
hb_tag_t script, lang;
hb_position_t coord;
- run = pango_layout_iter_get_run (iter);
+ run = pango_line_iter_get_run (iter);
if (!run)
{
baseline_tag = 0;
continue;
}
+ item = pango_run_get_item (run);
+
if (baseline_tag == 0)
{
- hb_script_t script = (hb_script_t) g_unicode_script_to_iso15924
(run->item->analysis.script);
+ hb_script_t script = (hb_script_t) g_unicode_script_to_iso15924 (item->analysis.script);
- if (run->item->analysis.flags & PANGO_ANALYSIS_FLAG_CENTERED_BASELINE)
+ if (item->analysis.flags & PANGO_ANALYSIS_FLAG_CENTERED_BASELINE)
baseline_tag = HB_OT_LAYOUT_BASELINE_TAG_IDEO_EMBOX_CENTRAL;
else
baseline_tag = hb_ot_layout_get_horizontal_baseline_tag_for_script (script);
}
- y = pango_layout_iter_get_run_baseline (iter);
- pango_layout_iter_get_run_extents (iter, NULL, &rect);
+ y = pango_line_iter_get_run_baseline (iter);
+ pango_line_iter_get_run_extents (iter, NULL, &rect);
- hb_font = pango_font_get_hb_font (run->item->analysis.font);
- if (run->item->analysis.flags & PANGO_ANALYSIS_FLAG_CENTERED_BASELINE)
+ hb_font = pango_font_get_hb_font (item->analysis.font);
+ if (item->analysis.flags & PANGO_ANALYSIS_FLAG_CENTERED_BASELINE)
dir = HB_DIRECTION_TTB;
else
dir = HB_DIRECTION_LTR;
- script = (hb_script_t) g_unicode_script_to_iso15924 (run->item->analysis.script);
+ script = (hb_script_t) g_unicode_script_to_iso15924 (item->analysis.script);
lang = HB_TAG_NONE;
for (int i = 0; i < G_N_ELEMENTS (baselines); i++)
@@ -420,8 +424,8 @@ render_callback (PangoLayout *layout,
cairo_restore (cr);
}
}
- while (pango_layout_iter_next_run (iter));
- pango_layout_iter_free (iter);
+ while (pango_line_iter_next_run (iter));
+ pango_line_iter_free (iter);
cairo_restore (cr);
}
#endif
@@ -463,7 +467,7 @@ render_callback (PangoLayout *layout,
{
PangoRectangle rect;
- pango_layout_iter_get_line_extents (iter, NULL, &rect);
+ pango_line_iter_get_line_extents (iter, NULL, &rect);
cairo_rectangle (cr,
(double)rect.x / PANGO_SCALE - lw / 2,
(double)rect.y / PANGO_SCALE - lw / 2,
@@ -471,8 +475,8 @@ render_callback (PangoLayout *layout,
(double)rect.height / PANGO_SCALE + lw);
cairo_stroke (cr);
}
- while (pango_layout_iter_next_line (iter));
- pango_layout_iter_free (iter);
+ while (pango_line_iter_next_line (iter));
+ pango_line_iter_free (iter);
cairo_restore (cr);
}
@@ -485,14 +489,14 @@ render_callback (PangoLayout *layout,
iter = pango_layout_get_iter (layout);
do
{
- PangoLayoutRun *run;
+ PangoRun *run;
PangoRectangle rect;
- run = pango_layout_iter_get_run (iter);
+ run = pango_line_iter_get_run (iter);
if (!run)
continue;
- pango_layout_iter_get_run_extents (iter, NULL, &rect);
+ pango_line_iter_get_run_extents (iter, NULL, &rect);
cairo_rectangle (cr,
(double)rect.x / PANGO_SCALE - lw / 2,
(double)rect.y / PANGO_SCALE - lw / 2,
@@ -500,8 +504,8 @@ render_callback (PangoLayout *layout,
(double)rect.height / PANGO_SCALE + lw);
cairo_stroke (cr);
}
- while (pango_layout_iter_next_run (iter));
- pango_layout_iter_free (iter);
+ while (pango_line_iter_next_run (iter));
+ pango_line_iter_free (iter);
cairo_restore (cr);
}
@@ -516,7 +520,7 @@ render_callback (PangoLayout *layout,
{
PangoRectangle rect;
- pango_layout_iter_get_cluster_extents (iter, NULL, &rect);
+ pango_line_iter_get_cluster_extents (iter, NULL, &rect);
cairo_rectangle (cr,
(double)rect.x / PANGO_SCALE - lw / 2,
(double)rect.y / PANGO_SCALE - lw / 2,
@@ -524,8 +528,8 @@ render_callback (PangoLayout *layout,
(double)rect.height / PANGO_SCALE + lw);
cairo_stroke (cr);
}
- while (pango_layout_iter_next_cluster (iter));
- pango_layout_iter_free (iter);
+ while (pango_line_iter_next_cluster (iter));
+ pango_line_iter_free (iter);
cairo_restore (cr);
}
@@ -540,7 +544,7 @@ render_callback (PangoLayout *layout,
{
PangoRectangle rect;
- pango_layout_iter_get_char_extents (iter, &rect);
+ pango_line_iter_get_char_extents (iter, &rect);
cairo_rectangle (cr,
(double)rect.x / PANGO_SCALE - lw / 2,
(double)rect.y / PANGO_SCALE - lw / 2,
@@ -548,8 +552,8 @@ render_callback (PangoLayout *layout,
(double)rect.height / PANGO_SCALE + lw);
cairo_stroke (cr);
}
- while (pango_layout_iter_next_cluster (iter));
- pango_layout_iter_free (iter);
+ while (pango_line_iter_next_cluster (iter));
+ pango_line_iter_free (iter);
cairo_restore (cr);
}
@@ -562,29 +566,34 @@ render_callback (PangoLayout *layout,
iter = pango_layout_get_iter (layout);
do
{
- PangoLayoutRun *run;
+ PangoRun *run;
+ PangoItem *item;
+ PangoGlyphString *glyphs;
PangoRectangle rect;
int x_pos, y_pos;
- run = pango_layout_iter_get_run (iter);
+ run = pango_line_iter_get_run (iter);
if (!run)
continue;
- pango_layout_iter_get_run_extents (iter, NULL, &rect);
+ item = pango_run_get_item (run);
+ glyphs = pango_run_get_glyphs (run);
+
+ pango_line_iter_get_run_extents (iter, NULL, &rect);
x_pos = rect.x;
- y_pos = pango_layout_iter_get_run_baseline (iter);
+ y_pos = pango_line_iter_get_run_baseline (iter);
- for (int i = 0; i < run->glyphs->num_glyphs; i++)
+ for (int i = 0; i < glyphs->num_glyphs; i++)
{
PangoRectangle extents;
- pango_font_get_glyph_extents (run->item->analysis.font,
- run->glyphs->glyphs[i].glyph,
+ pango_font_get_glyph_extents (item->analysis.font,
+ glyphs->glyphs[i].glyph,
&extents, NULL);
- rect.x = x_pos + run->glyphs->glyphs[i].geometry.x_offset + extents.x;
- rect.y = y_pos + run->glyphs->glyphs[i].geometry.y_offset + extents.y;
+ rect.x = x_pos + glyphs->glyphs[i].geometry.x_offset + extents.x;
+ rect.y = y_pos + glyphs->glyphs[i].geometry.y_offset + extents.y;
rect.width = extents.width;
rect.height = extents.height;
@@ -596,16 +605,16 @@ render_callback (PangoLayout *layout,
cairo_stroke (cr);
cairo_arc (cr,
- (double) (x_pos + run->glyphs->glyphs[i].geometry.x_offset) / PANGO_SCALE,
- (double) (y_pos + run->glyphs->glyphs[i].geometry.y_offset) / PANGO_SCALE,
+ (double) (x_pos + glyphs->glyphs[i].geometry.x_offset) / PANGO_SCALE,
+ (double) (y_pos + glyphs->glyphs[i].geometry.y_offset) / PANGO_SCALE,
3.0, 0, 2*G_PI);
cairo_fill (cr);
- x_pos += run->glyphs->glyphs[i].geometry.width;
+ x_pos += glyphs->glyphs[i].geometry.width;
}
}
- while (pango_layout_iter_next_run (iter));
- pango_layout_iter_free (iter);
+ while (pango_line_iter_next_run (iter));
+ pango_line_iter_free (iter);
cairo_restore (cr);
}
@@ -620,40 +629,45 @@ render_callback (PangoLayout *layout,
cairo_save (cr);
cairo_set_source_rgba (cr, 1.0, 0.0, 1.0, 0.5);
- attrs = pango_layout_get_log_attrs_readonly (layout, &n_attrs);
+ attrs = pango_layout_get_log_attrs (layout, &n_attrs);
iter = pango_layout_get_iter (layout);
do
{
PangoRectangle rect;
- PangoLayoutRun *run;
+ PangoRun *run;
+ PangoItem *item;
+ PangoGlyphString *glyphs;
const char *text, *start, *p;
int x, y;
gboolean trailing;
- pango_layout_iter_get_run_extents (iter, NULL, &rect);
- run = pango_layout_iter_get_run_readonly (iter);
+ pango_line_iter_get_run_extents (iter, NULL, &rect);
+ run = pango_line_iter_get_run (iter);
if (!run)
continue;
+ item = pango_run_get_item (run);
+ glyphs = pango_run_get_glyphs (run);
+
text = pango_layout_get_text (layout);
- start = text + run->item->offset;
+ start = text + item->offset;
offset = g_utf8_strlen (text, start - text);
- y = pango_layout_iter_get_run_baseline (iter);
+ y = pango_line_iter_get_run_baseline (iter);
trailing = FALSE;
p = start;
- for (int i = 0; i <= run->item->num_chars; i++)
+ for (int i = 0; i <= item->num_chars; i++)
{
if (attrs[offset + i].is_cursor_position)
{
- pango_glyph_string_index_to_x_full (run->glyphs,
- text + run->item->offset,
- run->item->length,
- &run->item->analysis,
+ pango_glyph_string_index_to_x_full (glyphs,
+ text + item->offset,
+ item->length,
+ &item->analysis,
(PangoLogAttr *)attrs + offset,
p - start,
trailing,
@@ -672,7 +686,7 @@ render_callback (PangoLayout *layout,
g_free (s);
}
- if (i < run->item->num_chars)
+ if (i < item->num_chars)
{
num++;
p = g_utf8_next_char (p);
@@ -682,8 +696,8 @@ render_callback (PangoLayout *layout,
}
}
- while (pango_layout_iter_next_run (iter));
- pango_layout_iter_free (iter);
+ while (pango_line_iter_next_run (iter));
+ pango_line_iter_free (iter);
cairo_restore (cr);
}
@@ -700,7 +714,7 @@ render_callback (PangoLayout *layout,
cairo_save (cr);
cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5);
- attrs = pango_layout_get_log_attrs_readonly (layout, &n_attrs);
+ attrs = pango_layout_get_log_attrs (layout, &n_attrs);
for (i = 0, p = text; i <= length; i++, p = g_utf8_next_char (p))
{
@@ -709,7 +723,7 @@ render_callback (PangoLayout *layout,
if (!attrs[i].is_cursor_position)
continue;
- pango_layout_get_caret_pos (layout, p - text, &rect, NULL);
+ pango_lines_get_caret_pos (pango_layout_get_lines (layout), NULL, p - text, &rect, NULL);
cairo_move_to (cr,
(double)rect.x / PANGO_SCALE + (double)rect.width / PANGO_SCALE - lw / 2,
diff --git a/utils/viewer-render.c b/utils/viewer-render.c
index 2f95af80..e0b37d7e 100644
--- a/utils/viewer-render.c
+++ b/utils/viewer-render.c
@@ -52,10 +52,7 @@ gboolean opt_waterfall = FALSE;
int opt_width = -1;
int opt_height = -1;
int opt_indent = 0;
-int opt_spacing = 0;
double opt_line_spacing = -1.0;
-gboolean opt_justify = 0;
-gboolean opt_justify_last_line = 0;
int opt_runs = 1;
PangoAlignment opt_align = PANGO_ALIGN_LEFT;
PangoEllipsizeMode opt_ellipsize = PANGO_ELLIPSIZE_NONE;
@@ -131,9 +128,7 @@ make_layout(PangoContext *context,
pango_layout_set_auto_dir (layout, opt_auto_dir);
pango_layout_set_ellipsize (layout, opt_ellipsize);
- pango_layout_set_justify (layout, opt_justify);
- pango_layout_set_justify_last_line (layout, opt_justify_last_line);
- pango_layout_set_single_paragraph_mode (layout, opt_single_par);
+ pango_layout_set_single_paragraph (layout, opt_single_par);
pango_layout_set_wrap (layout, opt_wrap);
font_description = pango_font_description_from_string (opt_font);
@@ -166,14 +161,6 @@ make_layout(PangoContext *context,
pango_layout_set_indent (layout, (opt_indent * opt_dpi * PANGO_SCALE + 36) / 72);
}
- if (opt_spacing != 0)
- {
- if (opt_pango_units)
- pango_layout_set_spacing (layout, opt_spacing);
- else
- pango_layout_set_spacing (layout, (opt_spacing * opt_dpi * PANGO_SCALE + 36) / 72);
- pango_layout_set_line_spacing (layout, 0.0);
- }
if (opt_line_spacing >= 0.0)
pango_layout_set_line_spacing (layout, (float)opt_line_spacing);
@@ -195,13 +182,8 @@ make_layout(PangoContext *context,
out:
if (opt_serialized_output)
{
- GError *error = NULL;
-
- if (!pango_layout_write_to_file (layout,
- PANGO_LAYOUT_SERIALIZE_CONTEXT|PANGO_LAYOUT_SERIALIZE_OUTPUT,
- opt_serialized_output,
- &error))
- fail ("%s\n", error->message);
+ if (!pango_layout_write_to_file (layout, opt_serialized_output))
+ fail ("Failed to serialize\n");
}
return layout;
@@ -278,7 +260,8 @@ output_body (PangoLayout *layout,
pango_font_description_free (desc);
}
- pango_layout_get_pixel_extents (layout, NULL, &logical_rect);
+ pango_lines_get_extents (pango_layout_get_lines (layout), NULL, &logical_rect);
+ pango_extents_to_pixels (&logical_rect, NULL);
if (render_cb)
(*render_cb) (layout, x, y+*height, cb_context, cb_data);
@@ -347,7 +330,7 @@ do_output (PangoContext *context,
char *options_string = get_options_string ();
pango_context_set_base_gravity (context, PANGO_GRAVITY_SOUTH);
layout = make_layout (context, options_string, 10);
- pango_layout_get_extents (layout, NULL, &rect);
+ pango_lines_get_extents (pango_layout_get_lines (layout), NULL, &rect);
width = MAX (width, PANGO_PIXELS (rect.width));
height += PANGO_PIXELS (rect.height);
@@ -911,14 +894,8 @@ parse_options (int argc, char *argv[])
"Subpixel order", "rgb/bgr/vrgb/vbgr"},
{"indent", 0, 0, G_OPTION_ARG_INT, &opt_indent,
"Width in points to indent paragraphs", "points"},
- {"spacing", 0, 0, G_OPTION_ARG_INT, &opt_spacing,
- "Spacing in points between lines", "points"},
{"line-spacing", 0, 0, G_OPTION_ARG_DOUBLE, &opt_line_spacing,
"Spread factor for line height", "factor"},
- {"justify", 0, 0, G_OPTION_ARG_NONE, &opt_justify,
- "Stretch paragraph lines to be justified", NULL},
- {"justify-last-line", 0, 0, G_OPTION_ARG_NONE, &opt_justify_last_line,
- "Justify the last line of the paragraph", NULL},
{"language", 0, 0, G_OPTION_ARG_STRING, &opt_language,
"Language to use for font selection", "en_US/etc"},
{"margin", 0, 0, G_OPTION_ARG_CALLBACK, &parse_margin,
@@ -939,8 +916,8 @@ parse_options (int argc, char *argv[])
"Angle at which to rotate results", "degrees"},
{"runs", 'n', 0, G_OPTION_ARG_INT, &opt_runs,
"Run Pango layout engine this many times", "integer"},
- {"single-par", 0, 0, G_OPTION_ARG_NONE, &opt_single_par,
- "Enable single-paragraph mode", NULL},
+ {"single-par", 0, 0, G_OPTION_ARG_NONE, &opt_single_par,
+ "Enable single-paragraph mode", NULL},
{"text", 't', 0, G_OPTION_ARG_STRING, &opt_text,
"Text to display (instead of a file)", "string"},
{"version", 0, G_OPTION_FLAG_NO_ARG, G_OPTION_ARG_CALLBACK, &show_version,
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