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Viewing changes to tests/freetype/src/base/ftgasp.c

  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2013-05-02 13:11:51 UTC
  • Revision ID: package-import@ubuntu.com-20130502131151-q8dvteqr1ef2x7xz
Tags: upstream-1.4.1~20130504~adb56cb
Import upstream version 1.4.1~20130504~adb56cb

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tests/freetype/src/base/ftgasp.c
 
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/***************************************************************************/
 
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/*                                                                         */
 
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/*  ftgasp.c                                                               */
 
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/*                                                                         */
 
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/*    Access of TrueType's `gasp' table (body).                            */
 
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/*                                                                         */
 
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/*  Copyright 2007 by                                                      */
 
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/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 
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/*                                                                         */
 
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/*  This file is part of the FreeType project, and may only be used,       */
 
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/*  modified, and distributed under the terms of the FreeType project      */
 
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/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
 
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/*  this file you indicate that you have read the license and              */
 
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/*  understand and accept it fully.                                        */
 
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/*                                                                         */
 
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/***************************************************************************/
 
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#include <ft2build.h>
 
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#include FT_GASP_H
 
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#include FT_INTERNAL_TRUETYPE_TYPES_H
 
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  FT_EXPORT_DEF( FT_Int )
 
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  FT_Get_Gasp( FT_Face  face,
 
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               FT_UInt  ppem )
 
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  {
 
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    FT_Int  result = FT_GASP_NO_TABLE;
 
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    if ( face && FT_IS_SFNT( face ) )
 
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    {
 
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      TT_Face  ttface = (TT_Face)face;
 
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      if ( ttface->gasp.numRanges > 0 )
 
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      {
 
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        TT_GaspRange  range     = ttface->gasp.gaspRanges;
 
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        TT_GaspRange  range_end = range + ttface->gasp.numRanges;
 
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        while ( ppem > range->maxPPEM )
 
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        {
 
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          range++;
 
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          if ( range >= range_end )
 
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            goto Exit;
 
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        }
 
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        result = range->gaspFlag;
 
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        /* ensure that we don't have spurious bits */
 
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        if ( ttface->gasp.version == 0 )
 
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          result &= 3;
 
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      }
 
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    }
 
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  Exit:
 
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    return result;
 
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  }
 
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/* END */