kc3-lang/freetype/src/autofit/afindic.c

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• Hash : e3c93015
  Author :
  Date : 2013-03-14T11:21:17
  

  */*: Use FT_Err_Ok only. This is a purely mechanical conversion.

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• src/autofit/afindic.c

• /***************************************************************************/
  /*                                                                         */
  /*  afindic.c                                                              */
  /*                                                                         */
  /*    Auto-fitter hinting routines for Indic scripts (body).               */
  /*                                                                         */
  /*  Copyright 2007, 2011-2013 by                                           */
  /*  Rahul Bhalerao <rahul.bhalerao@redhat.com>, <b.rahul.pm@gmail.com>.    */
  /*                                                                         */
  /*  This file is part of the FreeType project, and may only be used,       */
  /*  modified, and distributed under the terms of the FreeType project      */
  /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
  /*  this file you indicate that you have read the license and              */
  /*  understand and accept it fully.                                        */
  /*                                                                         */
  /***************************************************************************/
  
  
  #include "aftypes.h"
  #include "aflatin.h"
  
  
  #ifdef AF_CONFIG_OPTION_INDIC
  
  #include "afindic.h"
  #include "aferrors.h"
  #include "afcjk.h"
  
  
  #ifdef AF_CONFIG_OPTION_USE_WARPER
  #include "afwarp.h"
  #endif
  
  
    static FT_Error
    af_indic_metrics_init( AF_CJKMetrics  metrics,
                           FT_Face        face )
    {
      /* skip blue zone init in CJK routines */
      FT_CharMap  oldmap = face->charmap;
  
  
      metrics->units_per_em = face->units_per_EM;
  
      if ( FT_Select_Charmap( face, FT_ENCODING_UNICODE ) )
        face->charmap = NULL;
      else
      {
        af_cjk_metrics_init_widths( metrics, face );
  #if 0
        /* either need indic specific blue_chars[] or just skip blue zones */
        af_cjk_metrics_init_blues( metrics, face, af_cjk_blue_chars );
  #endif
        af_cjk_metrics_check_digits( metrics, face );
      }
  
      FT_Set_Charmap( face, oldmap );
  
      return FT_Err_Ok;
    }
  
  
    static void
    af_indic_metrics_scale( AF_CJKMetrics  metrics,
                            AF_Scaler      scaler )
    {
      /* use CJK routines */
      af_cjk_metrics_scale( metrics, scaler );
    }
  
  
    static FT_Error
    af_indic_hints_init( AF_GlyphHints  hints,
                         AF_CJKMetrics  metrics )
    {
      /* use CJK routines */
      return af_cjk_hints_init( hints, metrics );
    }
  
  
    static FT_Error
    af_indic_hints_apply( AF_GlyphHints  hints,
                          FT_Outline*    outline,
                          AF_CJKMetrics  metrics )
    {
      /* use CJK routines */
      return af_cjk_hints_apply( hints, outline, metrics );
    }
  
  
    /*************************************************************************/
    /*************************************************************************/
    /*****                                                               *****/
    /*****                I N D I C   S C R I P T   C L A S S            *****/
    /*****                                                               *****/
    /*************************************************************************/
    /*************************************************************************/
  
  
    static const AF_Script_UniRangeRec  af_indic_uniranges[] =
    {
  #if 0
      AF_UNIRANGE_REC( 0x0100UL, 0xFFFFUL ),  /* why this? */
  #endif
      AF_UNIRANGE_REC( 0x0900UL, 0x0DFFUL),    /* Indic Range */
      AF_UNIRANGE_REC( 0x0F00UL, 0x0FFFUL),    /* Tibetan */
      AF_UNIRANGE_REC( 0x1900UL, 0x194FUL),    /* Limbu */
      AF_UNIRANGE_REC( 0x1B80UL, 0x1BBFUL),    /* Sundanese */
      AF_UNIRANGE_REC( 0x1C80UL, 0x1CDFUL),    /* Meetei Mayak */
      AF_UNIRANGE_REC( 0xA800UL, 0xA82FUL),    /* Syloti Nagri */
      AF_UNIRANGE_REC( 0x11800UL, 0x118DFUL),  /* Sharada */
      AF_UNIRANGE_REC(      0UL,      0UL)
    };
  
  
    AF_DEFINE_SCRIPT_CLASS( af_indic_script_class,
      AF_SCRIPT_INDIC,
      af_indic_uniranges,
      'o', /* XXX */
  
      sizeof ( AF_CJKMetricsRec ),
  
      (AF_Script_InitMetricsFunc) af_indic_metrics_init,
      (AF_Script_ScaleMetricsFunc)af_indic_metrics_scale,
      (AF_Script_DoneMetricsFunc) NULL,
  
      (AF_Script_InitHintsFunc)   af_indic_hints_init,
      (AF_Script_ApplyHintsFunc)  af_indic_hints_apply
    )
  
  #else /* !AF_CONFIG_OPTION_INDIC */
  
    static const AF_Script_UniRangeRec  af_indic_uniranges[] =
    {
      { 0, 0 }
    };
  
  
    AF_DEFINE_SCRIPT_CLASS( af_indic_script_class,
      AF_SCRIPT_INDIC,
      af_indic_uniranges,
      0,
  
      sizeof ( AF_CJKMetricsRec ),
  
      (AF_Script_InitMetricsFunc) NULL,
      (AF_Script_ScaleMetricsFunc)NULL,
      (AF_Script_DoneMetricsFunc) NULL,
  
      (AF_Script_InitHintsFunc)   NULL,
      (AF_Script_ApplyHintsFunc)  NULL
    )
  
  #endif /* !AF_CONFIG_OPTION_INDIC */
  
  
  /* END */
  

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