libraries/freetype-2.0.5/include/ahloader.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ahloader.h                                                             */
   4 /*                                                                         */
   5 /*    Glyph loader for the auto-hinting module (declaration only).         */
   6 /*                                                                         */
   7 /*  Copyright 2000-2001 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 #include <ft2build.h>
  40
  41
  42 FT_BEGIN_HEADER
  43
  44
  45 #ifdef _STANDALONE_
  46
  47   typedef struct  AH_GlyphLoad_
  48   {
  49     FT_Outline    outline;       /* outline             */
  50     FT_UInt       num_subglyphs; /* number of subglyphs */
  51     FT_SubGlyph*  subglyphs;     /* subglyphs           */
  52     FT_Vector*    extra_points;  /* extra points table  */
  53
  54   } AH_GlyphLoad;
  55
  56
  57   struct  AH_GlyphLoader_
  58   {
  59     FT_Memory     memory;
  60     FT_UInt       max_points;
  61     FT_UInt       max_contours;
  62     FT_UInt       max_subglyphs;
  63     FT_Bool       use_extra;
  64
  65     AH_GlyphLoad  base;
  66     AH_GlyphLoad  current;
  67
  68     void*         other;        /* for possible future extensions */
  69   };
  70
  71
  72   FT_LOCAL FT_Error
  73   AH_GlyphLoader_New( FT_Memory         memory,
  74                       AH_GlyphLoader**  aloader );
  75
  76   FT_LOCAL FT_Error
  77   AH_GlyphLoader_Create_Extra( AH_GlyphLoader*  loader );
  78
  79   FT_LOCAL void
  80   AH_GlyphLoader_Done( AH_GlyphLoader*  loader );
  81
  82   FT_LOCAL void
  83   AH_GlyphLoader_Reset( AH_GlyphLoader*  loader );
  84
  85   FT_LOCAL void
  86   AH_GlyphLoader_Rewind( AH_GlyphLoader*  loader );
  87
  88   FT_LOCAL FT_Error
  89   AH_GlyphLoader_Check_Points( AH_GlyphLoader*  loader,
  90                                FT_UInt          n_points,
  91                                FT_UInt          n_contours );
  92
  93   FT_LOCAL FT_Error
  94   AH_GlyphLoader_Check_Subglyphs( AH_GlyphLoader*  loader,
  95                                   FT_UInt          n_subs );
  96
  97   FT_LOCAL void
  98   AH_GlyphLoader_Prepare( AH_GlyphLoader*  loader );
  99
 100   FT_LOCAL void
 101   AH_GlyphLoader_Add( AH_GlyphLoader*  loader );
 102
 103   FT_LOCAL FT_Error
 104   AH_GlyphLoader_Copy_Points( AH_GlyphLoader*  target,
 105                               FT_GlyphLoader*  source );
 106
 107 #else /* _STANDALONE */
 108
 109 #include FT_INTERNAL_OBJECTS_H
 110
 111   #define AH_Load    FT_GlyphLoad
 112   #define AH_Loader  FT_GlyphLoader
 113
 114   #define ah_loader_new              FT_GlyphLoader_New
 115   #define ah_loader_done             FT_GlyphLoader_Done
 116   #define ah_loader_reset            FT_GlyphLoader_Reset
 117   #define ah_loader_rewind           FT_GlyphLoader_Rewind
 118   #define ah_loader_create_extra     FT_GlyphLoader_Create_Extra
 119   #define ah_loader_check_points     FT_GlyphLoader_Check_Points
 120   #define ah_loader_check_subglyphs  FT_GlyphLoader_Check_Subglyphs
 121   #define ah_loader_prepare          FT_GlyphLoader_Prepare
 122   #define ah_loader_add              FT_GlyphLoader_Add
 123   #define ah_loader_copy_points      FT_GlyphLoader_Copy_Points
 124
 125 #endif /* _STANDALONE_ */
 126
 127
 128 FT_END_HEADER
 129
 130 #endif /* __AHLOADER_H__ */
 131
 132
 133 /* END */