forked from AuroraMiddleware/gtk
2a8e1745cf
Keep a copy of the scaled image to speed up rendering multiple times the image at the same size.
60 lines
2.5 KiB
C
60 lines
2.5 KiB
C
/*
|
|
* Copyright © 2011 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: Benjamin Otte <otte@gnome.org>
|
|
*/
|
|
|
|
#ifndef __GTK_CSS_IMAGE_SURFACE_PRIVATE_H__
|
|
#define __GTK_CSS_IMAGE_SURFACE_PRIVATE_H__
|
|
|
|
#include "gtk/gtkcssimageprivate.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GTK_TYPE_CSS_IMAGE_SURFACE (_gtk_css_image_surface_get_type ())
|
|
#define GTK_CSS_IMAGE_SURFACE(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_IMAGE_SURFACE, GtkCssImageSurface))
|
|
#define GTK_CSS_IMAGE_SURFACE_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_IMAGE_SURFACE, GtkCssImageSurfaceClass))
|
|
#define GTK_IS_CSS_IMAGE_SURFACE(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_IMAGE_SURFACE))
|
|
#define GTK_IS_CSS_IMAGE_SURFACE_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_IMAGE_SURFACE))
|
|
#define GTK_CSS_IMAGE_SURFACE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_IMAGE_SURFACE, GtkCssImageSurfaceClass))
|
|
|
|
typedef struct _GtkCssImageSurface GtkCssImageSurface;
|
|
typedef struct _GtkCssImageSurfaceClass GtkCssImageSurfaceClass;
|
|
|
|
struct _GtkCssImageSurface
|
|
{
|
|
GtkCssImage parent;
|
|
|
|
cairo_surface_t *surface; /* the surface we render - guaranteed to be an image surface */
|
|
cairo_surface_t *cache; /* the scaled surface - to avoid scaling every time we need to draw */
|
|
double width; /* original cache width */
|
|
double height; /* original cache height */
|
|
};
|
|
|
|
struct _GtkCssImageSurfaceClass
|
|
{
|
|
GtkCssImageClass parent_class;
|
|
};
|
|
|
|
GType _gtk_css_image_surface_get_type (void) G_GNUC_CONST;
|
|
|
|
GtkCssImage * _gtk_css_image_surface_new (cairo_surface_t *surface);
|
|
GtkCssImage * _gtk_css_image_surface_new_for_pixbuf (GdkPixbuf *pixbuf);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GTK_CSS_IMAGE_SURFACE_PRIVATE_H__ */
|