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      1 /*
      2  * Copyright  2011,2012  Google, Inc.
      3  *
      4  *  This is part of HarfBuzz, a text shaping library.
      5  *
      6  * Permission is hereby granted, without written agreement and without
      7  * license or royalty fees, to use, copy, modify, and distribute this
      8  * software and its documentation for any purpose, provided that the
      9  * above copyright notice and the following two paragraphs appear in
     10  * all copies of this software.
     11  *
     12  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
     13  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
     14  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
     15  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
     16  * DAMAGE.
     17  *
     18  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
     19  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
     20  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
     21  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
     22  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
     23  *
     24  * Google Author(s): Behdad Esfahbod
     25  */
     26 
     27 #ifndef HB_OT_OS2_TABLE_HH
     28 #define HB_OT_OS2_TABLE_HH
     29 
     30 #include "hb-open-type-private.hh"
     31 
     32 
     33 namespace OT {
     34 
     35 /*
     36  * OS/2 and Windows Metrics
     37  * http://www.microsoft.com/typography/otspec/os2.htm
     38  */
     39 
     40 #define HB_OT_TAG_os2 HB_TAG('O','S','/','2')
     41 
     42 struct os2
     43 {
     44   static const hb_tag_t tableTag = HB_OT_TAG_os2;
     45 
     46   inline bool sanitize (hb_sanitize_context_t *c) const
     47   {
     48     TRACE_SANITIZE (this);
     49     return_trace (c->check_struct (this));
     50   }
     51 
     52   public:
     53   USHORT	version;
     54 
     55   /* Version 0 */
     56   SHORT		xAvgCharWidth;
     57   USHORT	usWeightClass;
     58   USHORT	usWidthClass;
     59   USHORT	fsType;
     60   SHORT		ySubscriptXSize;
     61   SHORT		ySubscriptYSize;
     62   SHORT		ySubscriptXOffset;
     63   SHORT		ySubscriptYOffset;
     64   SHORT		ySuperscriptXSize;
     65   SHORT		ySuperscriptYSize;
     66   SHORT		ySuperscriptXOffset;
     67   SHORT		ySuperscriptYOffset;
     68   SHORT		yStrikeoutSize;
     69   SHORT		yStrikeoutPosition;
     70   SHORT		sFamilyClass;
     71   BYTE		panose[10];
     72   ULONG		ulUnicodeRange[4];
     73   Tag		achVendID;
     74   USHORT	fsSelection;
     75   USHORT	usFirstCharIndex;
     76   USHORT	usLastCharIndex;
     77   SHORT		sTypoAscender;
     78   SHORT		sTypoDescender;
     79   SHORT		sTypoLineGap;
     80   USHORT	usWinAscent;
     81   USHORT	usWinDescent;
     82 
     83   /* Version 1 */
     84   //ULONG ulCodePageRange1;
     85   //ULONG ulCodePageRange2;
     86 
     87   /* Version 2 */
     88   //SHORT sxHeight;
     89   //SHORT sCapHeight;
     90   //USHORT  usDefaultChar;
     91   //USHORT  usBreakChar;
     92   //USHORT  usMaxContext;
     93 
     94   /* Version 5 */
     95   //USHORT  usLowerOpticalPointSize;
     96   //USHORT  usUpperOpticalPointSize;
     97 
     98   public:
     99   DEFINE_SIZE_STATIC (78);
    100 };
    101 
    102 } /* namespace OT */
    103 
    104 
    105 #endif /* HB_OT_OS2_TABLE_HH */
    106