src/freetype/autohint/ahloader.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ahloader.h                                                             */
   4 /*                                                                         */
   5 /*    Glyph loader for the auto-hinting module (declaration only).         */
   6 /*                                                                         */
   7 /*  Copyright 2000 Catharon Productions Inc.                               */
   8 /*  Author: David Turner                                                   */
   9 /*                                                                         */
  10 /*  This file is part of the Catharon Typography Project and shall only    */
  11 /*  be used, modified, and distributed under the terms of the Catharon     */
  12 /*  Open Source License that should come with this file under the name     */
  13 /*  `CatharonLicense.txt'.  By continuing to use, modify, or distribute    */
  14 /*  this file you indicate that you have read the license and              */
  15 /*  understand and accept it fully.                                        */
  16 /*                                                                         */
  17 /*  Note that this license is compatible with the FreeType license.        */
  18 /*                                                                         */
  19 /***************************************************************************/
  20
  21
  22   /*************************************************************************/
  23   /*                                                                       */
  24   /* This defines the AH_GlyphLoader type in two different ways:           */
  25   /*                                                                       */
  26   /* - If the module is compiled within FreeType 2, the type is simply a   */
  27   /*   typedef to FT_GlyphLoader.                                          */
  28   /*                                                                       */
  29   /* - If the module is compiled as a standalone object, AH_GlyphLoader    */
  30   /*   has its own implementation.                                         */
  31   /*                                                                       */
  32   /*************************************************************************/
  33
  34
  35 #ifndef AHLOADER_H
  36 #define AHLOADER_H
  37
  38
  39 #ifdef _STANDALONE_
  40
  41   typedef struct  AH_GlyphLoad_
  42   {
  43     FT_Outline    outline;       /* outline             */
  44     FT_UInt       num_subglyphs; /* number of subglyphs */
  45     FT_SubGlyph*  subglyphs;     /* subglyphs           */
  46     FT_Vector*    extra_points;  /* extra points table  */
  47
  48   } AH_GlyphLoad;
  49
  50
  51   struct  AH_GlyphLoader_
  52   {
  53     FT_Memory     memory;
  54     FT_UInt       max_points;
  55     FT_UInt       max_contours;
  56     FT_UInt       max_subglyphs;
  57     FT_Bool       use_extra;
  58
  59     AH_GlyphLoad  base;
  60     AH_GlyphLoad  current;
  61
  62     void*         other;        /* for possible future extensions */
  63   };
  64
  65
  66   LOCAL_DEF
  67   FT_Error  AH_GlyphLoader_New( FT_Memory         memory,
  68                                 AH_GlyphLoader**  aloader );
  69
  70   LOCAL_DEF
  71   FT_Error  AH_GlyphLoader_Create_Extra( AH_GlyphLoader*  loader );
  72
  73   LOCAL_DEF
  74   void  AH_GlyphLoader_Done( AH_GlyphLoader*  loader );
  75
  76   LOCAL_DEF
  77   void  AH_GlyphLoader_Reset( AH_GlyphLoader*  loader );
  78
  79   LOCAL_DEF
  80   void  AH_GlyphLoader_Rewind( AH_GlyphLoader*  loader );
  81
  82   LOCAL_DEF
  83   FT_Error  AH_GlyphLoader_Check_Points( AH_GlyphLoader*  loader,
  84                                          FT_UInt          n_points,
  85                                          FT_UInt          n_contours );
  86
  87   LOCAL_DEF
  88   FT_Error  AH_GlyphLoader_Check_Subglyphs( AH_GlyphLoader*  loader,
  89                                             FT_UInt          n_subs );
  90
  91   LOCAL_DEF
  92   void  AH_GlyphLoader_Prepare( AH_GlyphLoader*  loader );
  93
  94   LOCAL_DEF
  95   void  AH_GlyphLoader_Add( AH_GlyphLoader*  loader );
  96
  97   LOCAL_DEF
  98   FT_Error  AH_GlyphLoader_Copy_Points( AH_GlyphLoader*  target,
  99                                         FT_GlyphLoader*  source );
 100
 101 #else /* _STANDALONE */
 102
 103 #include <freetype/internal/ftobjs.h>
 104
 105   #define AH_Load    FT_GlyphLoad
 106   #define AH_Loader  FT_GlyphLoader
 107
 108   #define ah_loader_new              FT_GlyphLoader_New
 109   #define ah_loader_done             FT_GlyphLoader_Done
 110   #define ah_loader_reset            FT_GlyphLoader_Reset
 111   #define ah_loader_rewind           FT_GlyphLoader_Rewind
 112   #define ah_loader_create_extra     FT_GlyphLoader_Create_Extra
 113   #define ah_loader_check_points     FT_GlyphLoader_Check_Points
 114   #define ah_loader_check_subglyphs  FT_GlyphLoader_Check_Subglyphs
 115   #define ah_loader_prepare          FT_GlyphLoader_Prepare
 116   #define ah_loader_add              FT_GlyphLoader_Add
 117   #define ah_loader_copy_points      FT_GlyphLoader_Copy_Points
 118
 119 #endif /* _STANDALONE_ */
 120
 121 #endif /* AHLOADER_H */
 122
 123
 124 /* END */