applications/gnome-control-center
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Make sure the pixmap is masked correctly

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2001-12-17  Bradford Hovinen  <hovinen@ximian.com>

	* applier.c (applier_get_preview_widget): Make sure the pixmap is
	masked correctly
This commit is contained in:
Bradford Hovinen 2001-12-17 17:03:42 +00:00 • committed by Bradford Hovinen (Gdict maintainer)
parent fd0119b1e9
commit 933f9f190d
2 changed files with 19 additions and 5 deletions
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5
libbackground/ChangeLog
View file

@ -1,3 +1,8 @@
2001-12-17 Bradford Hovinen <hovinen@ximian.com>
* applier.c (applier_get_preview_widget): Make sure the pixmap is
masked correctly
2001-12-07 Bradford Hovinen <hovinen@ximian.com> 2001-12-07 Bradford Hovinen <hovinen@ximian.com>
* preferences.c (read_color_from_string): Check if string is * preferences.c (read_color_from_string): Check if string is

19
libbackground/applier.c
View file

@ -416,7 +416,7 @@ GtkWidget *
applier_get_preview_widget (Applier *applier) applier_get_preview_widget (Applier *applier)
{ {
GdkPixbuf *pixbuf; GdkPixbuf *pixbuf;
GdkPixmap *pixmap, *pixmap1; GdkPixmap *pixmap;
GdkBitmap *mask; GdkBitmap *mask;
GdkVisual *visual; GdkVisual *visual;
GdkColormap *colormap; GdkColormap *colormap;
@ -447,16 +447,27 @@ applier_get_preview_widget (Applier *applier)
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf), gdk_pixbuf_get_height (pixbuf),
visual->depth); visual->depth);
mask = gdk_pixmap_new (GDK_ROOT_PARENT (),
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
1);
gc = gdk_gc_new (GDK_ROOT_PARENT ()); gc = gdk_gc_new (GDK_ROOT_PARENT ());
gdk_pixbuf_render_threshold_alpha (pixbuf, mask,
0, 0, 0, 0,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
1);
gdk_gc_set_clip_mask (gc, mask);
gdk_pixbuf_render_to_drawable (pixbuf, pixmap, gc, gdk_pixbuf_render_to_drawable (pixbuf, pixmap, gc,
0, 0, 0, 0, 0, 0, 0, 0,
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf), gdk_pixbuf_get_height (pixbuf),
GDK_RGB_DITHER_MAX, 0, 0); GDK_RGB_DITHER_MAX, 0, 0);
gdk_pixbuf_render_pixmap_and_mask (pixbuf, &pixmap1, &mask, 0);
applier->p->preview_widget = gtk_pixmap_new (pixmap, mask); applier->p->preview_widget = gtk_pixmap_new (pixmap, mask);
gtk_widget_show (applier->p->preview_widget); gtk_widget_show (applier->p->preview_widget);
gdk_pixbuf_unref (pixbuf); gdk_pixbuf_unref (pixbuf);
@ -465,8 +476,6 @@ applier_get_preview_widget (Applier *applier)
gtk_widget_pop_visual (); gtk_widget_pop_visual ();
gtk_widget_pop_colormap (); gtk_widget_pop_colormap ();
gdk_pixmap_unref (pixmap1);
return applier->p->preview_widget; return applier->p->preview_widget;
} }