1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
#ifndef __GDK_TEXTURE_PRIVATE_H__
#define __GDK_TEXTURE_PRIVATE_H__
#include "gdktexture.h"
G_BEGIN_DECLS
#define GDK_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_TEXTURE, GdkTextureClass))
#define GDK_IS_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_TEXTURE))
#define GDK_TEXTURE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_TEXTURE, GdkTextureClass))
struct _GdkTexture
{
GObject parent_instance;
int width;
int height;
gpointer render_key;
gpointer render_data;
GDestroyNotify render_notify;
};
struct _GdkTextureClass {
GObjectClass parent_class;
/* mandatory: Download into a GdkMemoryTexture */
GdkTexture * (* download_texture) (GdkTexture *texture);
/* optional */
void (* download) (GdkTexture *texture,
guchar *data,
gsize stride);
void (* download_float) (GdkTexture *texture,
float *data,
gsize stride);
};
gpointer gdk_texture_new (const GdkTextureClass *klass,
int width,
int height);
GdkTexture * gdk_texture_new_for_surface (cairo_surface_t *surface);
cairo_surface_t * gdk_texture_download_surface (GdkTexture *texture);
/* NB: GdkMemoryTexture */
GdkTexture * gdk_texture_download_texture (GdkTexture *texture);
gboolean gdk_texture_set_render_data (GdkTexture *self,
gpointer key,
gpointer data,
GDestroyNotify notify);
void gdk_texture_clear_render_data (GdkTexture *self);
gpointer gdk_texture_get_render_data (GdkTexture *self,
gpointer key);
G_END_DECLS
#endif /* __GDK_TEXTURE_PRIVATE_H__ */
|
