forked from AuroraMiddleware/gtk
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
/*
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* Copyright © 2013 Red Hat Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Alexander Larsson <alexl@gnome.org>
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*/
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#ifndef __GTK_PIXEL_CACHE_PRIVATE_H__
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#define __GTK_PIXEL_CACHE_PRIVATE_H__
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#include <glib-object.h>
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#include <gtkwidget.h>
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G_BEGIN_DECLS
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typedef struct _GtkPixelCache GtkPixelCache;
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typedef void (*GtkPixelCacheDrawFunc) (cairo_t *cr,
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gpointer user_data);
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GtkPixelCache *_gtk_pixel_cache_new (void);
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void _gtk_pixel_cache_free (GtkPixelCache *cache);
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void _gtk_pixel_cache_map (GtkPixelCache *cache);
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void _gtk_pixel_cache_unmap (GtkPixelCache *cache);
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void _gtk_pixel_cache_invalidate (GtkPixelCache *cache,
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cairo_region_t *region);
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void _gtk_pixel_cache_draw (GtkPixelCache *cache,
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cairo_t *cr,
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GdkWindow *window,
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cairo_rectangle_int_t *view_rect,
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cairo_rectangle_int_t *canvas_rect,
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GtkPixelCacheDrawFunc draw,
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gpointer user_data);
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void _gtk_pixel_cache_get_extra_size (GtkPixelCache *cache,
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guint *extra_width,
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guint *extra_height);
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void _gtk_pixel_cache_set_extra_size (GtkPixelCache *cache,
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guint extra_width,
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guint extra_height);
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void _gtk_pixel_cache_set_content (GtkPixelCache *cache,
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cairo_content_t content);
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gboolean _gtk_pixel_cache_get_always_cache (GtkPixelCache *cache);
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void _gtk_pixel_cache_set_always_cache (GtkPixelCache *cache,
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gboolean always_cache);
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void _gtk_pixel_cache_set_style_context(GtkPixelCache *cache,
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GtkStyleContext *style_context);
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G_END_DECLS
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#endif /* __GTK_PIXEL_CACHE_PRIVATE_H__ */
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