AuroraMiddleware/gtk2
1
0
Fork 0
forked from AuroraMiddleware/gtk
Code Issues Pull Requests Projects Releases Wiki Activity

dnd: Replace last pixmap usage with cairo surfaces.

Browse Source
This commit is contained in:
Benjamin Otte 2010-08-25 21:06:21 +02:00
parent b370cb0d4c
commit 804fd4b15a
1 changed files with 34 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
gtk/gtkdnd.c
View File

@ -3070,29 +3070,49 @@ static void
icon_window_realize (GtkWidget *window,
GdkPixbuf *pixbuf)
{
GdkPixmap *pixmap;
GdkPixmap *mask;
cairo_surface_t *surface;
cairo_pattern_t *pattern;
cairo_t *cr;
gdk_pixbuf_render_pixmap_and_mask_for_colormap (pixbuf,
gtk_widget_get_colormap (window),
&pixmap, &mask, 128);
surface = gdk_window_create_similar_surface (gtk_widget_get_window (window),
CAIRO_CONTENT_COLOR,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf));
gdk_window_set_back_pixmap (gtk_widget_get_window (window),
pixmap, FALSE);
g_object_unref (pixmap);
if (mask)
cr = cairo_create (surface);
cairo_push_group_with_content (cr, CAIRO_CONTENT_COLOR_ALPHA);
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
cairo_paint (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_SATURATE);
cairo_paint (cr);
cairo_pop_group_to_source (cr);
cairo_paint (cr);
cairo_destroy (cr);
pattern = cairo_pattern_create_for_surface (surface);
gdk_window_set_background_pattern (gtk_widget_get_window (window), pattern);
cairo_pattern_destroy (pattern);
cairo_surface_destroy (surface);
if (gdk_pixbuf_get_has_alpha (pixbuf))
{
cairo_region_t *region;
cairo_t *cr;
/* XXX: Clean this up properly */
cr = gdk_cairo_create (mask);
region = gdk_cairo_region_create_from_surface (cairo_get_target (cr));
surface = cairo_image_surface_create (CAIRO_FORMAT_A1,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf));
cr = cairo_create (surface);
gdk_cairo_set_source_pixbuf (cr, pixbuf, 0, 0);
cairo_paint (cr);
cairo_destroy (cr);
region = gdk_cairo_region_create_from_surface (surface);
gtk_widget_shape_combine_region (window, region);
cairo_region_destroy (region);
cairo_surface_destroy (surface);
}
}