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#ifndef __GSK_GL_GLYPH_CACHE_PRIVATE_H__
#define __GSK_GL_GLYPH_CACHE_PRIVATE_H__
#include "gskgldriverprivate.h"
#include "gskglimageprivate.h"
#include "gskrendererprivate.h"
#include <pango/pango.h>
#include <gdk/gdk.h>
typedef struct
{
GskGLDriver *gl_driver;
GskRenderer *renderer;
GHashTable *hash_table;
GPtrArray *atlases;
guint64 timestamp;
} GskGLGlyphCache;
typedef struct
{
PangoFont *font;
PangoGlyph glyph;
guint scale; /* times 1024 */
} GlyphCacheKey;
typedef struct _DirtyGlyph DirtyGlyph;
typedef struct _GskGLCachedGlyph GskGLCachedGlyph;
struct _DirtyGlyph
{
GlyphCacheKey *key;
GskGLCachedGlyph *value;
cairo_surface_t *surface;
};
typedef struct
{
GskGLImage *image;
int width, height;
int x, y, y0;
guint old_pixels;
DirtyGlyph pending_glyph;
} GskGLGlyphAtlas;
struct _GskGLCachedGlyph
{
GskGLGlyphAtlas *atlas;
float tx;
float ty;
float tw;
float th;
int draw_x;
int draw_y;
int draw_width;
int draw_height;
float scale;
guint64 timestamp;
};
void gsk_gl_glyph_cache_init (GskGLGlyphCache *self,
GskRenderer *renderer,
GskGLDriver *gl_driver);
void gsk_gl_glyph_cache_free (GskGLGlyphCache *self);
void gsk_gl_glyph_cache_begin_frame (GskGLGlyphCache *self);
GskGLImage * gsk_gl_glyph_cache_get_glyph_image (GskGLGlyphCache *self,
const GskGLCachedGlyph *glyph);
const GskGLCachedGlyph * gsk_gl_glyph_cache_lookup (GskGLGlyphCache *self,
gboolean create,
PangoFont *font,
PangoGlyph glyph,
float scale);
#endif
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