mutter/cogl/cogl-pango/cogl-pango-glyph-cache.h
Niels De Graef 3a4a858ce3 cogl: use G_BEGIN_DECLS instead of COGL_BEGIN_DECLS
This macro was introduced so as to be able to be built without GLib.
However, this feature was long ago removed, and in Mutter we depend on
it anyway, so let's get rid of it in favor of more consistency.
2018-11-23 08:55:43 +01:00

101 lines
3.1 KiB
C

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