1 /*
2  * Copyright © 2011 Red Hat Inc.
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16  *
17  * Authors: Benjamin Otte <otte@gnome.org>
18  */
19 
20 #ifndef __GTK_CSS_IMAGE_SURFACE_PRIVATE_H__
21 #define __GTK_CSS_IMAGE_SURFACE_PRIVATE_H__
22 
23 #include "gtk/gtkcssimageprivate.h"
24 
25 G_BEGIN_DECLS
26 
27 #define GTK_TYPE_CSS_IMAGE_SURFACE           (_gtk_css_image_surface_get_type ())
28 #define GTK_CSS_IMAGE_SURFACE(obj)           (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_IMAGE_SURFACE, GtkCssImageSurface))
29 #define GTK_CSS_IMAGE_SURFACE_CLASS(cls)     (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_IMAGE_SURFACE, GtkCssImageSurfaceClass))
30 #define GTK_IS_CSS_IMAGE_SURFACE(obj)        (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_IMAGE_SURFACE))
31 #define GTK_IS_CSS_IMAGE_SURFACE_CLASS(obj)  (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_IMAGE_SURFACE))
32 #define GTK_CSS_IMAGE_SURFACE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_IMAGE_SURFACE, GtkCssImageSurfaceClass))
33 
34 typedef struct _GtkCssImageSurface           GtkCssImageSurface;
35 typedef struct _GtkCssImageSurfaceClass      GtkCssImageSurfaceClass;
36 
37 struct _GtkCssImageSurface
38 {
39   GtkCssImage parent;
40 
41   cairo_surface_t *surface;             /* the surface we render - guaranteed to be an image surface */
42   cairo_surface_t *cache;               /* the scaled surface - to avoid scaling every time we need to draw */
43   double width;                         /* original cache width */
44   double height;                        /* original cache height */
45 };
46 
47 struct _GtkCssImageSurfaceClass
48 {
49   GtkCssImageClass parent_class;
50 };
51 
52 GType          _gtk_css_image_surface_get_type             (void) G_GNUC_CONST;
53 
54 GtkCssImage *  _gtk_css_image_surface_new                  (cairo_surface_t *surface);
55 GtkCssImage *  _gtk_css_image_surface_new_for_pixbuf       (GdkPixbuf       *pixbuf);
56 
57 G_END_DECLS
58 
59 #endif /* __GTK_CSS_IMAGE_SURFACE_PRIVATE_H__ */
60