[pango/simple-fontmap: 6/15] Add PangoSimpleFamily
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [pango/simple-fontmap: 6/15] Add PangoSimpleFamily
- Date: Sun, 31 Oct 2021 23:51:10 +0000 (UTC)
commit 7af5dbe280a9d8397a8fda59bf359881850feac7
Author: Matthias Clasen <mclasen redhat com>
Date: Fri Oct 29 19:05:34 2021 -0400
Add PangoSimpleFamily
This is a straightforward implementation of
PangoFontFamily that could be used to replace
all our existing implementations.
pango/meson.build | 1 +
pango/pango-simple-family-private.h | 26 ++++++
pango/pango-simple-family.c | 152 ++++++++++++++++++++++++++++++++++++
3 files changed, 179 insertions(+)
---
diff --git a/pango/meson.build b/pango/meson.build
index a832ae23..10a62903 100644
--- a/pango/meson.build
+++ b/pango/meson.build
@@ -29,6 +29,7 @@ pango_sources = [
'shape.c',
'pango-hbface.c',
'pango-hbfont.c',
+ 'pango-simple-family.c',
]
pango_headers = [
diff --git a/pango/pango-simple-family-private.h b/pango/pango-simple-family-private.h
new file mode 100644
index 00000000..e9f18d9e
--- /dev/null
+++ b/pango/pango-simple-family-private.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#include "pango-font.h"
+
+#define PANGO_TYPE_SIMPLE_FAMILY (pango_simple_family_get_type ())
+
+G_DECLARE_FINAL_TYPE (PangoSimpleFamily, pango_simple_family, PANGO, SIMPLE_FAMILY, PangoFontFamily)
+
+struct _PangoSimpleFamily
+{
+ PangoFontFamily parent_instance;
+
+ char *name;
+ GPtrArray *faces;
+ gboolean monospace;
+ gboolean variable;
+};
+
+PangoSimpleFamily * pango_simple_family_new (const char *name,
+ gboolean monospace,
+ gboolean variable);
+
+void pango_simple_family_add_face (PangoSimpleFamily *self,
+ PangoFontFace *face);
+
+
diff --git a/pango/pango-simple-family.c b/pango/pango-simple-family.c
new file mode 100644
index 00000000..73109d83
--- /dev/null
+++ b/pango/pango-simple-family.c
@@ -0,0 +1,152 @@
+/* Pango
+ *
+ * Copyright (C) 2021 Red Hat, Inc.
+ *
+ * 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 <gio/gio.h>
+
+#include "pango-simple-family-private.h"
+#include "pango-impl-utils.h"
+
+/* {{{ PangoFontFamily implementation */
+
+struct _PangoSimpleFamilyClass
+{
+ PangoFontFamilyClass parent_class;
+};
+
+G_DEFINE_TYPE (PangoSimpleFamily, pango_simple_family, PANGO_TYPE_FONT_FAMILY)
+
+static void
+pango_simple_family_init (PangoSimpleFamily *self)
+{
+ self->faces = g_ptr_array_new_with_free_func (g_object_unref);
+}
+
+static void
+pango_simple_family_finalize (GObject *object)
+{
+ PangoSimpleFamily *self = PANGO_SIMPLE_FAMILY (object);
+
+ g_free (self->name);
+ g_ptr_array_unref (self->faces);
+
+ G_OBJECT_CLASS (pango_simple_family_parent_class)->finalize (object);
+}
+
+static const char *
+pango_simple_family_get_name (PangoFontFamily *family)
+{
+ PangoSimpleFamily *self = PANGO_SIMPLE_FAMILY (family);
+
+ return self->name;
+}
+
+static void
+pango_simple_family_list_faces (PangoFontFamily *family,
+ PangoFontFace ***faces,
+ int *n_faces)
+{
+ PangoSimpleFamily *self = PANGO_SIMPLE_FAMILY (family);
+
+ if (faces)
+ *faces = g_memdup2 (self->faces, self->faces->len * sizeof (PangoFontFace *));
+
+ if (n_faces)
+ *n_faces = self->faces->len;
+}
+
+static PangoFontFace *
+pango_simple_family_get_face (PangoFontFamily *family,
+ const char *name)
+{
+ PangoSimpleFamily *self = PANGO_SIMPLE_FAMILY (family);
+
+ for (int i = 0; i < self->faces->len; i++)
+ {
+ PangoFontFace *face = g_ptr_array_index (self->faces, i);
+
+ if (name == NULL || strcmp (name, pango_font_face_get_face_name (face)) == 0)
+ return PANGO_FONT_FACE (face);
+ }
+
+ return NULL;
+}
+
+static gboolean
+pango_simple_family_is_monospace (PangoFontFamily *family)
+{
+ PangoSimpleFamily *self = PANGO_SIMPLE_FAMILY (family);
+
+ return self->monospace;
+}
+
+static gboolean
+pango_simple_family_is_variable (PangoFontFamily *family)
+{
+ PangoSimpleFamily *self = PANGO_SIMPLE_FAMILY (family);
+
+ return self->variable;
+}
+
+static void
+pango_simple_family_class_init (PangoSimpleFamilyClass *class)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (class);
+ PangoFontFamilyClass *family_class = PANGO_FONT_FAMILY_CLASS (class);
+
+ object_class->finalize = pango_simple_family_finalize;
+
+ family_class->list_faces = pango_simple_family_list_faces;
+ family_class->get_name = pango_simple_family_get_name;
+ family_class->get_face = pango_simple_family_get_face;
+ family_class->is_monospace = pango_simple_family_is_monospace;
+ family_class->is_variable = pango_simple_family_is_variable;
+}
+
+/* }}} */
+/* {{{ Private API */
+
+PangoSimpleFamily *
+pango_simple_family_new (const char *name,
+ gboolean monospace,
+ gboolean variable)
+{
+ PangoSimpleFamily *self;
+
+ self = g_object_new (PANGO_TYPE_SIMPLE_FAMILY, NULL);
+
+ self->name = g_strdup (name);
+ self->monospace = monospace;
+ self->variable = variable;
+
+ return self;
+}
+
+void
+pango_simple_family_add_face (PangoSimpleFamily *self,
+ PangoFontFace *face)
+{
+ g_ptr_array_add (self->faces, g_object_ref (face));
+}
+
+/* }}} */
+
+/* vim:set foldmethod=marker expandtab: */
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