gtk-css-engine r8 - in bzr-playground: . libccd/ccd themes/gtk-css-test/gtk-2.0

[robsta svn gnome org]

Author: robsta
Date: Mon Aug 18 13:50:43 2008
New Revision: 8
URL: http://svn.gnome.org/viewvc/gtk-css-engine?rev=8&view=rev

Log:
Basic SVG support.

Modified:
   bzr-playground/   (props changed)
   bzr-playground/configure.in
   bzr-playground/libccd/ccd/ccd-background.c
   bzr-playground/libccd/ccd/ccd-features.h.in
   bzr-playground/libccd/ccd/ccd-image.c
   bzr-playground/themes/gtk-css-test/gtk-2.0/gtkrc
   bzr-playground/themes/gtk-css-test/gtk-2.0/styles.css

Modified: bzr-playground/configure.in
==============================================================================
--- bzr-playground/configure.in	(original)
+++ bzr-playground/configure.in	Mon Aug 18 13:50:43 2008
@@ -37,8 +37,20 @@
 
 
 ### Checks for libraries.
-# gtk >= 2.12 is needed for GtkBuilder
-PKG_CHECK_MODULES(GCE, gtk+-2.0 >= 2.12.0 libcroco-0.6)
+
+# Maybe it would work with gtk+-2.8, the first sporting cairo, right?
+pkgs='gtk+-2.0 >= 2.10.0 libcroco-0.6'
+
+# Guessing a version.
+rsvg_req='librsvg-2.0 >= 2.16'
+gce_cv_rsvg="no"
+PKG_CHECK_EXISTS([ $rsvg_req ],
+[
+	gce_cv_rsvg="yes"
+	pkgs="$pkgs $rsvg_req"
+])
+
+PKG_CHECK_MODULES(GCE, $pkgs)
 
 AC_SUBST([GCE_CFLAGS])
 AC_SUBST([GCE_LIBS])
@@ -46,6 +58,11 @@
 AC_DEFINE([CCD_WITH_GTK], [1], [Support for drawing Gtk+ primitives like `box-gap'])
 AM_CONDITIONAL([CCD_WITH_GTK], [test "yes" = "yes"])
 
+if test "$gce_cv_rsvg" = "yes"; then
+	AC_DEFINE([CCD_WITH_RSVG], [1], [SVG support through the `rsvg' library])
+fi
+AM_CONDITIONAL([CCD_WITH_RSVG], [test "$gce_cv_rsvg" = "yes"])
+
 AC_SUBST([CCD_CFLAGS], [$GCE_CFLAGS])
 AC_SUBST([CCD_LIBS], [$GCE_LIBS])
 
@@ -89,3 +106,8 @@
 	themes/gtk-css-test/gtk-2.0/Makefile])
 AC_OUTPUT
 
+echo "
+Configuration
+
+    Support for SVG images	$gce_cv_rsvg
+"

Modified: bzr-playground/libccd/ccd/ccd-background.c
==============================================================================
--- bzr-playground/libccd/ccd/ccd-background.c	(original)
+++ bzr-playground/libccd/ccd/ccd-background.c	Mon Aug 18 13:50:43 2008
@@ -78,7 +78,6 @@
 	}
 
 	if (self->image_spec != CCD_PROPERTY_SPEC_UNKNOWN) {
-printf ("%s()\n", __FUNCTION__);
 		dx = (double) width / 
 		     cairo_image_surface_get_width (self->image.surface);
 		dy = (double) height /

Modified: bzr-playground/libccd/ccd/ccd-features.h.in
==============================================================================
--- bzr-playground/libccd/ccd/ccd-features.h.in	(original)
+++ bzr-playground/libccd/ccd/ccd-features.h.in	Mon Aug 18 13:50:43 2008
@@ -26,5 +26,8 @@
 /* Support for drawing Gtk+ primitives like `box-gap' */
 #undef CCD_WITH_GTK
 
+/* SVG support through the `rsvg' library */
+#undef CCD_WITH_RSVG
+
 #endif /* CCD_FEATURES_H */
 

Modified: bzr-playground/libccd/ccd/ccd-image.c
==============================================================================
--- bzr-playground/libccd/ccd/ccd-image.c	(original)
+++ bzr-playground/libccd/ccd/ccd-image.c	Mon Aug 18 13:50:43 2008
@@ -25,6 +25,10 @@
 #include "ccd-function.h"
 #include "ccd-image.h"
 
+#if CCD_WITH_RSVG
+#include <librsvg/rsvg.h>
+#endif
+
 void
 ccd_image_discard (ccd_image_t *self)
 {
@@ -39,10 +43,102 @@
 	}
 }
 
+static char *
+parse_uri (char const	 *uri,
+	   char		**id)
+{	
+	char const	*suffix;
+	char const	*hash;
+	char		*basename;
+
+	suffix = strrchr (uri, '.');
+	hash = strrchr (uri, '#');
+
+	basename = NULL;
+	if (suffix && hash && hash > suffix && hash[1] != '\0') {
+		basename = g_strndup (uri, hash - uri);
+		*id = g_strdup (hash + 1);
+	} else {
+		basename = g_strdup (uri);
+		*id = NULL;
+	}
+
+	return basename;
+}
+
+#if CCD_WITH_RSVG
+
+static bool
+load_svg (ccd_image_t	*self,
+	  char const	*uri,
+	  char const	*id)
+{
+	RsvgHandle		*handle;
+	GError			*error;
+	RsvgDimensionData	 dimensions;
+	cairo_t			*cr;
+	cairo_status_t		 status;
+
+	error = NULL;
+	handle = rsvg_handle_new_from_file (uri, &error);
+	if (error) {
+		g_warning (error->message);
+		g_warning ("Could not load `%s'", uri);
+		g_error_free (error);
+		return false;
+	}
+
+	rsvg_handle_get_dimensions (handle, &dimensions);
+	self->surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 
+						    dimensions.width,
+						    dimensions.height);
+
+	status = cairo_surface_status(self->surface);
+	if (status != CAIRO_STATUS_SUCCESS) {
+		g_warning (cairo_status_to_string (status));
+		cairo_surface_destroy (self->surface);
+		self->surface = NULL;
+		return false;
+	}
+
+	cr = cairo_create (self->surface);
+	rsvg_handle_render_cairo_sub (handle, cr, id);
+	cairo_destroy (cr), cr = NULL;
+
+	g_object_unref (G_OBJECT (handle)), handle = NULL;
+
+	return true;
+}
+
+#endif
+
 static bool
-load_image (ccd_image_t	*self)
+load_image (ccd_image_t *self)
 {
-	self->surface = cairo_image_surface_create_from_png (self->uri);
+	char	*basename;
+	char	*suffix;
+	char	*id;
+	bool	 matched;
+
+	basename = parse_uri (self->uri, &id);
+	g_return_val_if_fail (basename, NULL);
+
+	matched = false;
+#if CCD_WITH_RSVG
+	if (!matched &&
+	    g_str_has_suffix (basename, ".svg")) {
+		matched = true;
+		load_svg (self, basename, id);
+	}
+#endif
+
+	if (!matched) {
+		self->surface = cairo_image_surface_create_from_png (basename);
+
+	}
+
+	g_free (basename);
+	g_free (id);
 
 	return (bool) self->surface;
 }

Modified: bzr-playground/themes/gtk-css-test/gtk-2.0/gtkrc
==============================================================================
--- bzr-playground/themes/gtk-css-test/gtk-2.0/gtkrc	(original)
+++ bzr-playground/themes/gtk-css-test/gtk-2.0/gtkrc	Mon Aug 18 13:50:43 2008
@@ -1,7 +1,7 @@
 style "default"
 {
-	xthickness = 1
-	ythickness = 1
+#	xthickness = 3
+#	ythickness = 2
 
 	engine "css" 
 	{

Modified: bzr-playground/themes/gtk-css-test/gtk-2.0/styles.css
==============================================================================
--- bzr-playground/themes/gtk-css-test/gtk-2.0/styles.css	(original)
+++ bzr-playground/themes/gtk-css-test/gtk-2.0/styles.css	Mon Aug 18 13:50:43 2008
@@ -56,15 +56,19 @@
 arrow[orientation=up] {
 	background-image: url(arrow-up.png);
 }
+
 arrow[orientation=down] {
-	background-image: url(arrow-down.png);
+	background-color: yellow;
+	background-image: url(foo.svg);
 }
+
 arrow[orientation=left] {
 	background-image: url(arrow-left.png);
 }
 arrow[orientation=right] {
 	background-image: url(arrow-right.png);
 }
+
 tab {
 	background-color: blue;
 }