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FreeType on OpenGL ES (iPhone)

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24 Nov 2010CPOL4 min read 86.8K   3K   27  
Faster, smarter and better looking fonts rendered with OpenGL ES
/***************************************************************************/
/*                                                                         */
/*  afindic.c                                                              */
/*                                                                         */
/*    Auto-fitter hinting routines for Indic scripts (body).               */
/*                                                                         */
/*  Copyright 2007 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_USE_WARPER
#include "afwarp.h"
#endif


  static FT_Error
  af_indic_metrics_init( AF_LatinMetrics  metrics,
                         FT_Face          face )
  {
    /* use CJK routines */
    return af_cjk_metrics_init( metrics, face );
  }


  static void
  af_indic_metrics_scale( AF_LatinMetrics  metrics,
                          AF_Scaler        scaler )
  {
    /* use CJK routines */
    af_cjk_metrics_scale( metrics, scaler );
  }


  static FT_Error
  af_indic_hints_init( AF_GlyphHints    hints,
                       AF_LatinMetrics  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_LatinMetrics  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(      0UL,      0UL)
  };


  AF_DEFINE_SCRIPT_CLASS(af_indic_script_class,
    AF_SCRIPT_INDIC,
    af_indic_uniranges,

    sizeof( AF_LatinMetricsRec ),

    (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,

    sizeof( AF_LatinMetricsRec ),

    (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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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer Astronautz
Spain Spain
After working in the software industry for many years, I've started my own games company that specialises in strategy games for mobile platforms.

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