lib/freetype/src/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_OutlineRec 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_Fixed    x_scale,
  62                    FT_Fixed    y_scale,
  63                    FT_Face     face );
  64
  65   FT_LOCAL( void )
  66   ah_outline_compute_segments( AH_Outline  outline );
  67
  68   FT_LOCAL( void )
  69   ah_outline_link_segments( AH_Outline  outline );
  70
  71   FT_LOCAL( void )
  72   ah_outline_detect_features( AH_Outline  outline );
  73
  74   FT_LOCAL( void )
  75   ah_outline_compute_blue_edges( AH_Outline       outline,
  76                                  AH_Face_Globals  globals );
  77
  78   FT_LOCAL( void )
  79   ah_outline_scale_blue_edges( AH_Outline       outline,
  80                                AH_Face_Globals  globals );
  81
  82   FT_LOCAL( void )
  83   ah_outline_save( AH_Outline  outline,
  84                    AH_Loader   loader );
  85
  86   FT_LOCAL( void )
  87   ah_outline_done( AH_Outline  outline );
  88
  89
  90 FT_END_HEADER
  91
  92 #endif /* __AHGLYPH_H__ */
  93
  94
  95 /* END */