apdf/freetype2/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 2000-2001, 2002 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
  27 #include <ft2build.h>
  28 #include "ahtypes.h"
  29
  30
  31 FT_BEGIN_HEADER
  32
  33
  34   typedef enum  AH_UV_
  35   {
  36     ah_uv_fxy,
  37     ah_uv_fyx,
  38     ah_uv_oxy,
  39     ah_uv_oyx,
  40     ah_uv_ox,
  41     ah_uv_oy,
  42     ah_uv_yx,
  43     ah_uv_xy  /* should always be last! */
  44
  45   } AH_UV;
  46
  47
  48   FT_LOCAL( void )
  49   ah_setup_uv( AH_Outline*  outline,
  50                AH_UV        source );
  51
  52
  53   /* AH_Outline functions - they should be typically called in this order */
  54
  55   FT_LOCAL( FT_Error )
  56   ah_outline_new( FT_Memory     memory,
  57                   AH_Outline**  aoutline );
  58
  59   FT_LOCAL( FT_Error )
  60   ah_outline_load( AH_Outline*  outline,
  61                    FT_Face      face );
  62
  63   FT_LOCAL( void )
  64   ah_outline_compute_segments( AH_Outline*  outline );
  65
  66   FT_LOCAL( void )
  67   ah_outline_link_segments( AH_Outline*  outline );
  68
  69   FT_LOCAL( void )
  70   ah_outline_detect_features( AH_Outline*  outline );
  71
  72   FT_LOCAL( void )
  73   ah_outline_compute_blue_edges( AH_Outline*       outline,
  74                                  AH_Face_Globals*  globals );
  75
  76   FT_LOCAL( void )
  77   ah_outline_scale_blue_edges( AH_Outline*       outline,
  78                                AH_Face_Globals*  globals );
  79
  80   FT_LOCAL( void )
  81   ah_outline_save( AH_Outline*  outline,
  82                    AH_Loader    loader );
  83
  84   FT_LOCAL( void )
  85   ah_outline_done( AH_Outline*  outline );
  86
  87
  88 FT_END_HEADER
  89
  90 #endif /* __AHGLYPH_H__ */
  91
  92
  93 /* END */