src/freetype/autohint/ahmodule.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ahmodule.c                                                             */
   4 /*                                                                         */
   5 /*    Auto-hinting module implementation (declaration).                    */
   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 #include <freetype/ftmodule.h>
  23
  24
  25 #ifdef FT_FLAT_COMPILE
  26
  27 #include "ahhint.h"
  28
  29 #else
  30
  31 #include <autohint/ahhint.h>
  32
  33 #endif
  34
  35
  36   typedef struct  FT_AutoHinterRec_
  37   {
  38     FT_ModuleRec  root;
  39     AH_Hinter*    hinter;
  40
  41   } FT_AutoHinterRec;
  42
  43
  44   static
  45   FT_Error  ft_autohinter_init( FT_AutoHinter  module )
  46   {
  47     return ah_hinter_new( module->root.library, &module->hinter );
  48   }
  49
  50
  51   static
  52   void  ft_autohinter_done( FT_AutoHinter  module )
  53   {
  54     ah_hinter_done( module->hinter );
  55   }
  56
  57
  58   static
  59   FT_Error  ft_autohinter_load( FT_AutoHinter  module,
  60                                 FT_GlyphSlot   slot,
  61                                 FT_Size        size,
  62                                 FT_UInt        glyph_index,
  63                                 FT_ULong       load_flags )
  64   {
  65     return ah_hinter_load_glyph( module->hinter,
  66                                  slot, size, glyph_index, load_flags );
  67   }
  68
  69
  70   static
  71   void   ft_autohinter_reset( FT_AutoHinter  module,
  72                               FT_Face        face )
  73   {
  74     UNUSED( module );
  75
  76     if ( face->autohint.data )
  77       ah_hinter_done_face_globals( (AH_Face_Globals*)(face->autohint.data) );
  78   }
  79
  80
  81   static
  82   void  ft_autohinter_get_globals( FT_AutoHinter  module,
  83                                    FT_Face        face,
  84                                    void**         global_hints,
  85                                    long*          global_len )
  86   {
  87     ah_hinter_get_global_hints( module->hinter, face,
  88                                 global_hints, global_len );
  89   }
  90
  91
  92   static
  93   void  ft_autohinter_done_globals( FT_AutoHinter  module,
  94                                     void*          global_hints )
  95   {
  96     ah_hinter_done_global_hints( module->hinter, global_hints );
  97   }
  98
  99
 100   static
 101   const FT_AutoHinter_Interface  autohinter_interface =
 102   {
 103     ft_autohinter_reset,
 104     ft_autohinter_load,
 105     ft_autohinter_get_globals,
 106     ft_autohinter_done_globals
 107   };
 108
 109
 110   const FT_Module_Class  autohint_module_class =
 111   {
 112     ft_module_hinter,
 113     sizeof ( FT_AutoHinterRec ),
 114
 115     "autohinter",
 116     0x10000L,   /* version 1.0 of the autohinter  */
 117     0x20000L,   /* requires FreeType 2.0 or above */
 118
 119     (const void*)&autohinter_interface,
 120
 121     (FT_Module_Constructor)ft_autohinter_init,
 122     (FT_Module_Destructor) ft_autohinter_done,
 123     (FT_Module_Requester)  0
 124   };
 125
 126
 127 /* END */