src/freetype/autohint/ahglyph.h

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  ahglyph.h                                                              */
   4 /*                                                                         */
   5 /*    Routines used to load and analyze a given glyph before hinting       */
   6 /*    (specification).                                                     */
   7 /*                                                                         */
   8 /*  Copyright 2000 Catharon Productions Inc.                               */
   9 /*  Author: David Turner                                                   */
  10 /*                                                                         */
  11 /*  This file is part of the Catharon Typography Project and shall only    */
  12 /*  be used, modified, and distributed under the terms of the Catharon     */
  13 /*  Open Source License that should come with this file under the name     */
  14 /*  `CatharonLicense.txt'.  By continuing to use, modify, or distribute    */
  15 /*  this file you indicate that you have read the license and              */
  16 /*  understand and accept it fully.                                        */
  17 /*                                                                         */
  18 /*  Note that this license is compatible with the FreeType license.        */
  19 /*                                                                         */
  20 /***************************************************************************/
  21
  22
  23 #ifndef AHGLYPH_H
  24 #define AHGLYPH_H
  25
  26 #ifdef FT_FLAT_COMPILE
  27
  28 #include "ahtypes.h"
  29
  30 #else
  31
  32 #include <autohint/ahtypes.h>
  33
  34 #endif
  35
  36
  37   typedef enum  AH_UV_
  38   {
  39     ah_uv_fxy,
  40     ah_uv_fyx,
  41     ah_uv_oxy,
  42     ah_uv_oyx,
  43     ah_uv_ox,
  44     ah_uv_oy,
  45     ah_uv_yx,
  46     ah_uv_xy  /* should always be last! */
  47
  48   } AH_UV;
  49
  50
  51   LOCAL_DEF
  52   void  ah_setup_uv( AH_Outline*  outline,
  53                      AH_UV        source );
  54
  55
  56   /* AH_Outline functions - they should be typically called in this order */
  57
  58   LOCAL_DEF
  59   FT_Error  ah_outline_new( FT_Memory     memory,
  60                             AH_Outline**  aoutline );
  61
  62   LOCAL_DEF
  63   FT_Error  ah_outline_load( AH_Outline*  outline,
  64                              FT_Face      face );
  65
  66   LOCAL_DEF
  67   void  ah_outline_compute_segments( AH_Outline*  outline );
  68
  69   LOCAL_DEF
  70   void  ah_outline_link_segments( AH_Outline*  outline );
  71
  72   LOCAL_DEF
  73   void  ah_outline_detect_features( AH_Outline*  outline );
  74
  75   LOCAL_DEF
  76   void  ah_outline_compute_blue_edges( AH_Outline*       outline,
  77                                        AH_Face_Globals*  globals );
  78
  79   LOCAL_DEF
  80   void  ah_outline_scale_blue_edges( AH_Outline*       outline,
  81                                      AH_Face_Globals*  globals );
  82
  83   LOCAL_DEF
  84   void  ah_outline_save( AH_Outline*  outline, AH_Loader*  loader );
  85
  86   LOCAL_DEF
  87   void  ah_outline_done( AH_Outline*  outline );
  88
  89
  90 #endif /* AHGLYPH_H */
  91
  92
  93 /* END */