diff options
Diffstat (limited to 'include/freetype/cache/ftcsbits.h')
| -rw-r--r-- | include/freetype/cache/ftcsbits.h | 111 |
1 files changed, 94 insertions, 17 deletions
diff --git a/include/freetype/cache/ftcsbits.h b/include/freetype/cache/ftcsbits.h index 1a30846d7..d051b7c71 100644 --- a/include/freetype/cache/ftcsbits.h +++ b/include/freetype/cache/ftcsbits.h @@ -50,20 +50,6 @@ FT_BEGIN_HEADER /*************************************************************************/ /* */ - /* <Type> */ - /* FTC_SBit_Cache */ - /* */ - /* <Description> */ - /* A handle to a small bitmap cache. These are special cache objects */ - /* used to store small glyph bitmaps (and anti-aliased pixmaps) in a */ - /* much more efficient way than the traditional glyph image cache */ - /* implemented by FTC_Image_Cache. */ - /* */ - typedef struct FTC_SBit_CacheRec_* FTC_SBit_Cache; - - - /*************************************************************************/ - /* */ /* <Struct> */ /* FTC_SBitRec */ /* */ @@ -112,6 +98,100 @@ FT_BEGIN_HEADER } FTC_SBitRec; + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FTC_SBit_Cache */ + /* */ + /* <Description> */ + /* A handle to a small bitmap cache. These are special cache objects */ + /* used to store small glyph bitmaps (and anti-aliased pixmaps) in a */ + /* much more efficient way than the traditional glyph image cache */ + /* implemented by FTC_Image_Cache. */ + /* */ + typedef struct FTC_SBitCacheRec_* FTC_SBitCache; + + /*************************************************************************/ + /* */ + /* <Type> */ + /* FTC_SBit_Cache */ + /* */ + /* <Description> */ + /* deprecated. please use @FTC_SBitCache instead */ + /* */ + typedef FTC_SBitCache FTC_SBit_Cache; + + + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FTC_SBitCache_New */ + /* */ + /* <Description> */ + /* Creates a new cache to store small glyph bitmaps. */ + /* */ + /* <Input> */ + /* manager :: A handle to the source cache manager. */ + /* */ + /* <Output> */ + /* acache :: A handle to the new sbit cache. NULL in case of error. */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + FT_EXPORT( FT_Error ) + FTC_SBitCache_New( FTC_Manager manager, + FTC_SBitCache *acache ); + + + /*************************************************************************/ + /* */ + /* <Function> */ + /* FTC_SBitCache_Lookup */ + /* */ + /* <Description> */ + /* Looks up a given small glyph bitmap in a given sbit cache and */ + /* "lock" it to prevent its flushing from the cache until needed */ + /* */ + /* <Input> */ + /* cache :: A handle to the source sbit cache. */ + /* desc :: A pointer to the glyph image descriptor. */ + /* gindex :: The glyph index. */ + /* */ + /* <Output> */ + /* sbit :: A handle to a small bitmap descriptor. */ + /* */ + /* anode :: an opaque cache node pointer that will be used */ + /* to release the sbit once it becomes unuseful. */ + /* can be NULL, in which case this function will */ + /* have the same effect than @FTC_SBit_Cache_Lookup */ + /* */ + /* <Return> */ + /* FreeType error code. 0 means success. */ + /* */ + /* <Note> */ + /* The small bitmap descriptor and its bit buffer are owned by the */ + /* cache and should never be freed by the application. They might */ + /* as well disappear from memory on the next cache lookup, so don't */ + /* treat them as persistent data. */ + /* */ + /* The descriptor's `buffer' field is set to 0 to indicate a missing */ + /* glyph bitmap. */ + /* */ + FT_EXPORT( FT_Error ) + FTC_SBitCache_Lookup( FTC_SBitCache cache, + FTC_ImageDesc* desc, + FT_UInt gindex, + FTC_SBit *sbit, + FTC_Node *anode ); + + + /* */ + + /*************************************************************************/ /* */ /* <Function> */ @@ -169,9 +249,6 @@ FT_BEGIN_HEADER FTC_SBit *sbit ); - /* */ - - FT_END_HEADER #endif /* __FTCSBITS_H__ */ |