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