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| author | Behdad Esfahbod <behdad@behdad.org> | 2009-03-10 17:13:36 -0400 |
|---|---|---|
| committer | Behdad Esfahbod <behdad@behdad.org> | 2009-03-13 18:03:50 -0400 |
| commit | 03a13541fbf3f49c21d73490570ca217f559acbb (patch) | |
| tree | 98edb70be04557bb169a4cf56601d9169ecd28ff /pango/pangofc-private.h | |
| parent | c84d4e6e068d802cd0fe2b23bee4c611ae9ef89f (diff) | |
| download | pango-03a13541fbf3f49c21d73490570ca217f559acbb.tar.gz | |
[pangofc] Share cmap cache between PangoFcFont's of the same face (#567160)
Diffstat (limited to 'pango/pangofc-private.h')
| -rw-r--r-- | pango/pangofc-private.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/pango/pangofc-private.h b/pango/pangofc-private.h index bc67ffb7..0612a692 100644 --- a/pango/pangofc-private.h +++ b/pango/pangofc-private.h @@ -27,6 +27,7 @@ G_BEGIN_DECLS + typedef struct _PangoFcMetricsInfo PangoFcMetricsInfo; struct _PangoFcMetricsInfo @@ -35,6 +36,26 @@ struct _PangoFcMetricsInfo PangoFontMetrics *metrics; }; + +typedef struct _PangoFcCmapCacheEntry PangoFcCmapCacheEntry; +typedef struct _PangoFcCmapCache PangoFcCmapCache; + +#define CMAP_CACHE_NUM_ENTRIES 256 /* should be power of two */ +#define CMAP_CACHE_MASK (CMAP_CACHE_NUM_ENTRIES - 1) + +struct _PangoFcCmapCacheEntry +{ + gunichar ch; + PangoGlyph glyph; +}; + +struct _PangoFcCmapCache +{ + guint ref_count; + PangoFcCmapCacheEntry entries[CMAP_CACHE_NUM_ENTRIES]; +}; + + #define PANGO_SCALE_26_6 (PANGO_SCALE / (1<<6)) #define PANGO_PIXELS_26_6(d) \ (((d) >= 0) ? \ @@ -46,10 +67,15 @@ void _pango_fc_font_shutdown (PangoFcFont *fcfont); void _pango_fc_font_map_remove (PangoFcFontMap *fcfontmap, PangoFcFont *fcfont); + PangoCoverage *_pango_fc_font_map_get_coverage (PangoFcFontMap *fcfontmap, PangoFcFont *fcfont); PangoCoverage *_pango_fc_font_map_fc_to_coverage (FcCharSet *charset); +PangoFcCmapCache *_pango_fc_font_map_get_cmap_cache (PangoFcFontMap *fcfontmap, + PangoFcFont *fcfont); +void _pango_fc_cmap_cache_unref (PangoFcCmapCache *cmap_cache); + PangoFcDecoder *_pango_fc_font_get_decoder (PangoFcFont *font); void _pango_fc_font_set_decoder (PangoFcFont *font, PangoFcDecoder *decoder); |