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 
sanitizeOT::os246   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   UINT16	version;
54 
55   /* Version 0 */
56   INT16		xAvgCharWidth;
57   UINT16	usWeightClass;
58   UINT16	usWidthClass;
59   UINT16	fsType;
60   INT16		ySubscriptXSize;
61   INT16		ySubscriptYSize;
62   INT16		ySubscriptXOffset;
63   INT16		ySubscriptYOffset;
64   INT16		ySuperscriptXSize;
65   INT16		ySuperscriptYSize;
66   INT16		ySuperscriptXOffset;
67   INT16		ySuperscriptYOffset;
68   INT16		yStrikeoutSize;
69   INT16		yStrikeoutPosition;
70   INT16		sFamilyClass;
71   UINT8		panose[10];
72   UINT32		ulUnicodeRange[4];
73   Tag		achVendID;
74   UINT16	fsSelection;
75   UINT16	usFirstCharIndex;
76   UINT16	usLastCharIndex;
77   INT16		sTypoAscender;
78   INT16		sTypoDescender;
79   INT16		sTypoLineGap;
80   UINT16	usWinAscent;
81   UINT16	usWinDescent;
82 
83   /* Version 1 */
84   //UINT32 ulCodePageRange1;
85   //UINT32 ulCodePageRange2;
86 
87   /* Version 2 */
88   //INT16 sxHeight;
89   //INT16 sCapHeight;
90   //UINT16  usDefaultChar;
91   //UINT16  usBreakChar;
92   //UINT16  usMaxContext;
93 
94   /* Version 5 */
95   //UINT16  usLowerOpticalPointSize;
96   //UINT16  usUpperOpticalPointSize;
97 
98   public:
99   DEFINE_SIZE_STATIC (78);
100 };
101 
102 } /* namespace OT */
103 
104 
105 #endif /* HB_OT_OS2_TABLE_HH */
106