kc3-lang/freetype/src/cache/ftcsbits.h

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• Hash : 4e4a4363
  Author :
  Date : 2000-10-28T13:17:11
  

  - completed the abstract chunk cache class - started implementin a "small-bitmaps" cache derived from it - (soon a "metrics" cache will be written too)

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• src/cache/ftcsbits.h

• /***************************************************************************/
  /*                                                                         */
  /*  ftcsbits.h                                                             */
  /*                                                                         */
  /*    a small-bitmaps cache (specification).                               */
  /*                                                                         */
  /*  Copyright 2000 by                                                      */
  /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
  /*                                                                         */
  /*  This file is part of the FreeType project, and may only be used,       */
  /*  modified, and distributed under the terms of the FreeType project      */
  /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  /*  this file you indicate that you have read the license and              */
  /*  understand and accept it fully.                                        */
  /*                                                                         */
  /***************************************************************************/
  
  #ifndef FTCSBITS_H
  #define FTCSBITS_H
  
  #include <freetype/cache/ftcchunk.h> 
  
  #ifdef __cplusplus
    extern "C" {
  #endif
  
   /* handle to small bitmap */
    typedef struct FTC_SBitRec_*   FTC_SBit;
  
  
   /* handle to small bitmap cache */
    typedef struct FTC_SBit_CacheRec_*   FTC_SBit_Cache;
  
  
   /* format of small bitmaps */  
    typedef enum FTC_SBit_Format_
    {
      ftc_sbit_format_mono  = 0,
      ftc_sbit_format_aa256 = 1,
  
    } FTC_SBit_Format;
  
  
   /* a compact structure used to hold a single small bitmap */  
    typedef struct FTC_SBitRec_
    {
      FT_Byte   width;
      FT_Byte   height;
      FT_SChar  left;
      FT_SChar  top;
  
      FT_Byte   format;
      FT_SChar  pitch;
      FT_SChar  xadvance;
      FT_SChar  yadvance;
  
      FT_Byte*  buffer;
    
    } FTC_SBitRec;
  
  
    typedef struct FTC_SBitSetRec_
    {
      FTC_ChunkSetRec   root;
      FTC_Image_Desc    desc;
  
    } FTC_SBitSet;
  
  
    typedef struct FTC_SBit_CacheRec_
    {
      FTC_Chunk_CacheRec    root;
      
    } FTC_SBit_CacheRec;
  
  
  
    FT_EXPORT_DEF( FT_Error )
    FTC_SBit_Cache_New( FTC_Manager      manager,
                        FTC_SBit_Cache  *acache );
  
  
    FT_EXPORT_DEF( FT_Error )
    FTC_SBit_Cache_Lookup( FTC_SBit_Cache   cache,
                           FTC_Image_Desc*  desc,
                           FTC_SBit        *sbit );
  
  
  #ifdef __cplusplus
    }
  #endif
  
  
  #endif /* FTCSBITS_H */
  
  /* END */
  
  

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