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/***************************************************************************/
/*                                                                         */
/*  ftgasp.c                                                               */
/*                                                                         */
/*    Access of TrueType's `gasp' table (body).                            */
/*                                                                         */
/*  Copyright 2007 by                                                      */
/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
/*                                                                         */
/*  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 <ft2build.h>
#include FT_GASP_H
#include FT_INTERNAL_TRUETYPE_TYPES_H


  FT_EXPORT_DEF( FT_Int )
  FT_Get_Gasp( FT_Face  face,
               FT_UInt  ppem )
  {
    FT_Int  result = FT_GASP_NO_TABLE;


    if ( face && FT_IS_SFNT( face ) )
    {
      TT_Face  ttface = (TT_Face)face;


      if ( ttface->gasp.numRanges > 0 )
      {
        TT_GaspRange  range     = ttface->gasp.gaspRanges;
        TT_GaspRange  range_end = range + ttface->gasp.numRanges;


        while ( ppem > range->maxPPEM )
        {
          range++;
          if ( range >= range_end )
            goto Exit;
        }

        result = range->gaspFlag;

        /* ensure that we don't have spurious bits */
        if ( ttface->gasp.version == 0 )
          result &= 3;
      }
    }
  Exit:
    return result;
  }


/* END */