101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2008 OpenedHand
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __COGL_PANGO_GLYPH_CACHE_H__
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#define __COGL_PANGO_GLYPH_CACHE_H__
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#include <glib.h>
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#include <pango/pango-font.h>
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#include "cogl/cogl-texture.h"
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COGL_BEGIN_DECLS
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typedef struct _CoglPangoGlyphCache CoglPangoGlyphCache;
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typedef struct _CoglPangoGlyphCacheValue CoglPangoGlyphCacheValue;
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struct _CoglPangoGlyphCacheValue
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{
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CoglTexture *texture;
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float tx1;
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float ty1;
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float tx2;
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float ty2;
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int tx_pixel;
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int ty_pixel;
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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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/* This will be set to TRUE when the glyph atlas is reorganized
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which means the glyph will need to be redrawn */
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CoglBool dirty;
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};
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typedef void (* CoglPangoGlyphCacheDirtyFunc) (PangoFont *font,
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PangoGlyph glyph,
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CoglPangoGlyphCacheValue *value);
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CoglPangoGlyphCache *
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cogl_pango_glyph_cache_new (CoglContext *ctx,
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CoglBool use_mipmapping);
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void
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cogl_pango_glyph_cache_free (CoglPangoGlyphCache *cache);
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CoglPangoGlyphCacheValue *
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cogl_pango_glyph_cache_lookup (CoglPangoGlyphCache *cache,
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CoglBool create,
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PangoFont *font,
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PangoGlyph glyph);
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void
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cogl_pango_glyph_cache_clear (CoglPangoGlyphCache *cache);
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void
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_cogl_pango_glyph_cache_add_reorganize_callback (CoglPangoGlyphCache *cache,
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GHookFunc func,
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void *user_data);
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void
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_cogl_pango_glyph_cache_remove_reorganize_callback (CoglPangoGlyphCache *cache,
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GHookFunc func,
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void *user_data);
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void
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_cogl_pango_glyph_cache_set_dirty_glyphs (CoglPangoGlyphCache *cache,
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CoglPangoGlyphCacheDirtyFunc func);
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COGL_END_DECLS
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#endif /* __COGL_PANGO_GLYPH_CACHE_H__ */
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