static void otv_ValueRecord_validate	(	FT_Bytes	table,
		FT_UInt	format,
		OTV_Validator	valid
	)		`[static]`

Definition at line 169 of file otvgpos.c.

Referenced by otv_PairPos_validate(), otv_PairSet_validate(), and otv_SinglePos_validate().

  {
    FT_Bytes  p = table;
    FT_UInt   count;

#ifdef FT_DEBUG_LEVEL_TRACE
    FT_Int    loop;
    FT_ULong  res = 0;


    OTV_NAME_ENTER( "ValueRecord" );

    /* display `format' in dual representation */
    for ( loop = 7; loop >= 0; loop-- )
    {
      res <<= 4;
      res  += ( format >> loop ) & 1;
    }

    OTV_TRACE(( " (format 0b%08lx)\n", res ));
#endif

    if ( format >= 0x100 )
      FT_INVALID_FORMAT;

    for ( count = 4; count > 0; count-- )
    {
      if ( format & 1 )
      {
        /* XPlacement, YPlacement, XAdvance, YAdvance */
        OTV_LIMIT_CHECK( 2 );
        p += 2;
      }

      format >>= 1;
    }

    for ( count = 4; count > 0; count-- )
    {
      if ( format & 1 )
      {
        FT_PtrDist  table_size;

        OTV_OPTIONAL_TABLE( device );


        /* XPlaDevice, YPlaDevice, XAdvDevice, YAdvDevice */
        OTV_LIMIT_CHECK( 2 );
        OTV_OPTIONAL_OFFSET( device );

        /* XXX: this value is usually too small, especially if the current */
        /* ValueRecord is part of an array -- getting the correct table    */
        /* size is probably not worth the trouble                          */

        table_size = p - valid->extra3;

        OTV_SIZE_CHECK( device );
        if ( device )
          otv_Device_validate( valid->extra3 + device, valid );
      }
      format >>= 1;
    }

    OTV_EXIT;
  }

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