forked from AuroraMiddleware/gtk
2c38b71ca5
Instead of relying on a texture id of 0, which can happen for other reasons, e.g. when the glyph is being scaled too small. Fixes part of #2046
63 lines
1.8 KiB
C
63 lines
1.8 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 "gskgltextureatlasprivate.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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int ref_count;
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GdkDisplay *display;
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GHashTable *hash_table;
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GskGLTextureAtlases *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 _GskGLCachedGlyph GskGLCachedGlyph;
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struct _GskGLCachedGlyph
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{
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GskGLTextureAtlas *atlas;
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guint texture_id;
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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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guint64 timestamp;
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guint used: 1;
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};
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GskGLGlyphCache * gsk_gl_glyph_cache_new (GdkDisplay *display,
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GskGLTextureAtlases *atlases);
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GskGLGlyphCache * gsk_gl_glyph_cache_ref (GskGLGlyphCache *self);
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void gsk_gl_glyph_cache_unref (GskGLGlyphCache *self);
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void gsk_gl_glyph_cache_begin_frame (GskGLGlyphCache *self);
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gboolean gsk_gl_glyph_cache_lookup (GskGLGlyphCache *self,
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PangoFont *font,
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PangoGlyph glyph,
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float scale,
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GskGLDriver *driver,
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GskGLCachedGlyph *cached_glyph_out);
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#endif
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