forked from AuroraMiddleware/gtk
50 lines
1.8 KiB
C
50 lines
1.8 KiB
C
|
|
#ifndef __GSK_GL_TEXTURE_ATLAS_H__
|
|
#define __GSK_GL_TEXTURE_ATLAS_H__
|
|
|
|
#include "stb_rect_pack.h"
|
|
#include "gskglimageprivate.h"
|
|
#include "gskgldriverprivate.h"
|
|
|
|
struct _GskGLTextureAtlas
|
|
{
|
|
struct stbrp_context context;
|
|
struct stbrp_node *nodes;
|
|
|
|
int width;
|
|
int height;
|
|
|
|
GskGLImage image;
|
|
|
|
int unused_pixels; /* Pixels of rects that have been used at some point,
|
|
But are now unused. */
|
|
|
|
void *user_data;
|
|
};
|
|
typedef struct _GskGLTextureAtlas GskGLTextureAtlas;
|
|
|
|
void gsk_gl_texture_atlas_init (GskGLTextureAtlas *self,
|
|
int width,
|
|
int height);
|
|
|
|
void gsk_gl_texture_atlas_free (GskGLTextureAtlas *self);
|
|
|
|
void gsk_gl_texture_atlas_mark_unused (GskGLTextureAtlas *self,
|
|
int width,
|
|
int height);
|
|
|
|
void gsk_gl_texture_atlas_mark_used (GskGLTextureAtlas *self,
|
|
int width,
|
|
int height);
|
|
|
|
|
|
gboolean gsk_gl_texture_atlas_pack (GskGLTextureAtlas *self,
|
|
int width,
|
|
int height,
|
|
int *out_x,
|
|
int *out_y);
|
|
|
|
double gsk_gl_texture_atlas_get_unused_ratio (const GskGLTextureAtlas *self);
|
|
|
|
#endif
|