d7eb90779f
We can take a fast path if the background for a widget is opaque by using a CAIRO_CONTENT_COLOR instead of a CAIRO_CONTENT_COLOR_ALPHA surface. Most blit'ing backends have a fast path for this, including Pixman and Quartz. https://bugzilla.gnome.org/show_bug.cgi?id=754658
64 lines
3.2 KiB
C
64 lines
3.2 KiB
C
/*
|
|
* Copyright © 2013 Red Hat Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Authors: Alexander Larsson <alexl@gnome.org>
|
|
*/
|
|
|
|
#ifndef __GTK_PIXEL_CACHE_PRIVATE_H__
|
|
#define __GTK_PIXEL_CACHE_PRIVATE_H__
|
|
|
|
#include <glib-object.h>
|
|
#include <gtkwidget.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GtkPixelCache GtkPixelCache;
|
|
|
|
typedef void (*GtkPixelCacheDrawFunc) (cairo_t *cr,
|
|
gpointer user_data);
|
|
|
|
GtkPixelCache *_gtk_pixel_cache_new (void);
|
|
void _gtk_pixel_cache_free (GtkPixelCache *cache);
|
|
void _gtk_pixel_cache_map (GtkPixelCache *cache);
|
|
void _gtk_pixel_cache_unmap (GtkPixelCache *cache);
|
|
void _gtk_pixel_cache_invalidate (GtkPixelCache *cache,
|
|
cairo_region_t *region);
|
|
void _gtk_pixel_cache_draw (GtkPixelCache *cache,
|
|
cairo_t *cr,
|
|
GdkWindow *window,
|
|
cairo_rectangle_int_t *view_rect,
|
|
cairo_rectangle_int_t *canvas_rect,
|
|
GtkPixelCacheDrawFunc draw,
|
|
gpointer user_data);
|
|
void _gtk_pixel_cache_get_extra_size (GtkPixelCache *cache,
|
|
guint *extra_width,
|
|
guint *extra_height);
|
|
void _gtk_pixel_cache_set_extra_size (GtkPixelCache *cache,
|
|
guint extra_width,
|
|
guint extra_height);
|
|
void _gtk_pixel_cache_set_content (GtkPixelCache *cache,
|
|
cairo_content_t content);
|
|
gboolean _gtk_pixel_cache_get_always_cache (GtkPixelCache *cache);
|
|
void _gtk_pixel_cache_set_always_cache (GtkPixelCache *cache,
|
|
gboolean always_cache);
|
|
void _gtk_pixel_cache_set_style_context(GtkPixelCache *cache,
|
|
GtkStyleContext *style_context);
|
|
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GTK_PIXEL_CACHE_PRIVATE_H__ */
|