gtk/gsk/gl/gskglglyphcacheprivate.h
2017-12-21 19:12:30 +01:00

60 lines
1.7 KiB
C

#ifndef __GSK_GL_GLYPH_CACHE_PRIVATE_H__
#define __GSK_GL_GLYPH_CACHE_PRIVATE_H__
#include "gskgldriverprivate.h"
#include "gskglimageprivate.h"
#include <pango/pango.h>
#include <gdk/gdk.h>
typedef struct
{
GskGLDriver *gl_driver;
GHashTable *hash_table;
GPtrArray *atlases;
guint64 timestamp;
} GskGLGlyphCache;
typedef struct
{
GskGLImage *image;
int width, height;
int x, y, y0;
int num_glyphs;
GList *dirty_glyphs;
guint old_pixels;
} GskGLGlyphAtlas;
typedef struct
{
GskGLGlyphAtlas *atlas;
float tx;
float ty;
float tw;
float th;
int draw_x;
int draw_y;
int draw_width;
int draw_height;
guint64 timestamp;
} GskGLCachedGlyph;
void gsk_gl_glyph_cache_init (GskGLGlyphCache *self,
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