thirdparty/freetype-2.3.12/src/cache/ftcsbits.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ftcsbits.h                                                             */
   4 /*                                                                         */
   5 /*    A small-bitmap cache (specification).                                */
   6 /*                                                                         */
   7 /*  Copyright 2000-2001, 2002, 2003, 2006 by                               */
   8 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
   9 /*                                                                         */
  10 /*  This file is part of the FreeType project, and may only be used,       */
  11 /*  modified, and distributed under the terms of the FreeType project      */
  12 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  13 /*  this file you indicate that you have read the license and              */
  14 /*  understand and accept it fully.                                        */
  15 /*                                                                         */
  16 /***************************************************************************/
  17
  18
  19 #ifndef __FTCSBITS_H__
  20 #define __FTCSBITS_H__
  21
  22
  23 #include <ft2build.h>
  24 #include FT_CACHE_H
  25 #include "ftcglyph.h"
  26
  27
  28 FT_BEGIN_HEADER
  29
  30 #define FTC_SBIT_ITEMS_PER_NODE  16
  31
  32   typedef struct  FTC_SNodeRec_
  33   {
  34     FTC_GNodeRec  gnode;
  35     FT_UInt       count;
  36     FTC_SBitRec   sbits[FTC_SBIT_ITEMS_PER_NODE];
  37
  38   } FTC_SNodeRec, *FTC_SNode;
  39
  40
  41 #define FTC_SNODE( x )         ( (FTC_SNode)( x ) )
  42 #define FTC_SNODE_GINDEX( x )  FTC_GNODE( x )->gindex
  43 #define FTC_SNODE_FAMILY( x )  FTC_GNODE( x )->family
  44
  45   typedef FT_UInt
  46   (*FTC_SFamily_GetCountFunc)( FTC_Family   family,
  47                                FTC_Manager  manager );
  48
  49   typedef FT_Error
  50   (*FTC_SFamily_LoadGlyphFunc)( FTC_Family   family,
  51                                 FT_UInt      gindex,
  52                                 FTC_Manager  manager,
  53                                 FT_Face     *aface );
  54
  55   typedef struct  FTC_SFamilyClassRec_
  56   {
  57     FTC_MruListClassRec        clazz;
  58     FTC_SFamily_GetCountFunc   family_get_count;
  59     FTC_SFamily_LoadGlyphFunc  family_load_glyph;
  60
  61   } FTC_SFamilyClassRec;
  62
  63   typedef const FTC_SFamilyClassRec*  FTC_SFamilyClass;
  64
  65 #define FTC_SFAMILY_CLASS( x )  ((FTC_SFamilyClass)(x))
  66
  67 #define FTC_CACHE__SFAMILY_CLASS( x )  \
  68           FTC_SFAMILY_CLASS( FTC_CACHE__GCACHE_CLASS( x )->family_class )
  69
  70
  71   FT_LOCAL( void )
  72   FTC_SNode_Free( FTC_SNode  snode,
  73                   FTC_Cache  cache );
  74
  75   FT_LOCAL( FT_Error )
  76   FTC_SNode_New( FTC_SNode   *psnode,
  77                  FTC_GQuery   gquery,
  78                  FTC_Cache    cache );
  79
  80 #if 0
  81   FT_LOCAL( FT_ULong )
  82   FTC_SNode_Weight( FTC_SNode  inode );
  83 #endif
  84
  85
  86   FT_LOCAL( FT_Bool )
  87   FTC_SNode_Compare( FTC_SNode   snode,
  88                      FTC_GQuery  gquery,
  89                      FTC_Cache   cache );
  90
  91   /* */
  92
  93 FT_END_HEADER
  94
  95 #endif /* __FTCSBITS_H__ */
  96
  97
  98 /* END */