thirdparty/freetype-2.3.12/src/autofit/afindic.c

   1 /***************************************************************************/
   2 /*                                                                         */
   3 /*  afindic.c                                                              */
   4 /*                                                                         */
   5 /*    Auto-fitter hinting routines for Indic scripts (body).               */
   6 /*                                                                         */
   7 /*  Copyright 2007 by                                                      */
   8 /*  Rahul Bhalerao <rahul.bhalerao@redhat.com>, <b.rahul.pm@gmail.com>.    */
   9 /*                                                                         */
  10 /*  This file is part of the FreeType project, and may only be used,       */
  11 /*  modified, and distributed under the terms of the FreeType project      */
  12 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  13 /*  this file you indicate that you have read the license and              */
  14 /*  understand and accept it fully.                                        */
  15 /*                                                                         */
  16 /***************************************************************************/
  17
  18
  19 #include "aftypes.h"
  20 #include "aflatin.h"
  21
  22
  23 #ifdef AF_CONFIG_OPTION_INDIC
  24
  25 #include "afindic.h"
  26 #include "aferrors.h"
  27 #include "afcjk.h"
  28
  29
  30 #ifdef AF_USE_WARPER
  31 #include "afwarp.h"
  32 #endif
  33
  34
  35   static FT_Error
  36   af_indic_metrics_init( AF_LatinMetrics  metrics,
  37                          FT_Face          face )
  38   {
  39     /* use CJK routines */
  40     return af_cjk_metrics_init( metrics, face );
  41   }
  42
  43
  44   static void
  45   af_indic_metrics_scale( AF_LatinMetrics  metrics,
  46                           AF_Scaler        scaler )
  47   {
  48     /* use CJK routines */
  49     af_cjk_metrics_scale( metrics, scaler );
  50   }
  51
  52
  53   static FT_Error
  54   af_indic_hints_init( AF_GlyphHints    hints,
  55                        AF_LatinMetrics  metrics )
  56   {
  57     /* use CJK routines */
  58     return af_cjk_hints_init( hints, metrics );
  59   }
  60
  61
  62   static FT_Error
  63   af_indic_hints_apply( AF_GlyphHints    hints,
  64                         FT_Outline*      outline,
  65                         AF_LatinMetrics  metrics)
  66   {
  67     /* use CJK routines */
  68     return af_cjk_hints_apply( hints, outline, metrics );
  69   }
  70
  71
  72   /*************************************************************************/
  73   /*************************************************************************/
  74   /*****                                                               *****/
  75   /*****                I N D I C   S C R I P T   C L A S S            *****/
  76   /*****                                                               *****/
  77   /*************************************************************************/
  78   /*************************************************************************/
  79
  80
  81   static const AF_Script_UniRangeRec  af_indic_uniranges[] =
  82   {
  83 #if 0
  84     AF_UNIRANGE_REC( 0x0100UL, 0xFFFFUL ),  /* why this? */
  85 #endif
  86     AF_UNIRANGE_REC( 0x0900UL, 0x0DFFUL),    /* Indic Range */
  87     AF_UNIRANGE_REC(      0UL,      0UL)
  88   };
  89
  90
  91   AF_DEFINE_SCRIPT_CLASS(af_indic_script_class,
  92     AF_SCRIPT_INDIC,
  93     af_indic_uniranges,
  94
  95     sizeof( AF_LatinMetricsRec ),
  96
  97     (AF_Script_InitMetricsFunc) af_indic_metrics_init,
  98     (AF_Script_ScaleMetricsFunc)af_indic_metrics_scale,
  99     (AF_Script_DoneMetricsFunc) NULL,
 100
 101     (AF_Script_InitHintsFunc)   af_indic_hints_init,
 102     (AF_Script_ApplyHintsFunc)  af_indic_hints_apply
 103   )
 104
 105 #else /* !AF_CONFIG_OPTION_INDIC */
 106
 107   static const AF_Script_UniRangeRec  af_indic_uniranges[] =
 108   {
 109     { 0, 0 }
 110   };
 111
 112
 113   AF_DEFINE_SCRIPT_CLASS(af_indic_script_class,
 114     AF_SCRIPT_INDIC,
 115     af_indic_uniranges,
 116
 117     sizeof( AF_LatinMetricsRec ),
 118
 119     (AF_Script_InitMetricsFunc) NULL,
 120     (AF_Script_ScaleMetricsFunc)NULL,
 121     (AF_Script_DoneMetricsFunc) NULL,
 122
 123     (AF_Script_InitHintsFunc)   NULL,
 124     (AF_Script_ApplyHintsFunc)  NULL
 125   )
 126
 127 #endif /* !AF_CONFIG_OPTION_INDIC */
 128
 129
 130 /* END */