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1 /*
2  * Copyright 2012 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #ifndef SkOTTable_hhea_DEFINED
9 #define SkOTTable_hhea_DEFINED
10 
11 #include "SkEndian.h"
12 #include "SkOTTableTypes.h"
13 
14 #pragma pack(push, 1)
15 
16 struct SkOTTableHorizontalHeader {
17     static const SK_OT_CHAR TAG0 = 'h';
18     static const SK_OT_CHAR TAG1 = 'h';
19     static const SK_OT_CHAR TAG2 = 'e';
20     static const SK_OT_CHAR TAG3 = 'a';
21     static const SK_OT_ULONG TAG = SkOTTableTAG<SkOTTableHorizontalHeader>::value;
22 
23     SK_OT_Fixed version;
24     static const SK_OT_Fixed version1 = SkTEndian_SwapBE32(0x00010000);
25     SK_OT_FWORD Ascender;
26     SK_OT_FWORD Descender;
27     SK_OT_FWORD LineGap;
28     SK_OT_UFWORD advanceWidthMax;
29     SK_OT_FWORD minLeftSideBearing;
30     SK_OT_FWORD minRightSideBearing;
31     SK_OT_FWORD xMaxExtent;
32     SK_OT_SHORT caretSlopeRise;
33     SK_OT_SHORT caretSlopeRun;
34     SK_OT_SHORT caretOffset;
35     SK_OT_SHORT Reserved24;
36     SK_OT_SHORT Reserved26;
37     SK_OT_SHORT Reserved28;
38     SK_OT_SHORT Reserved30;
39     struct MetricDataFormat {
40         enum Value : SK_OT_SHORT {
41             CurrentFormat = SkTEndian_SwapBE16(0),
42         } value;
43     } metricDataFormat;
44     SK_OT_USHORT numberOfHMetrics;
45 };
46 
47 #pragma pack(pop)
48 
49 
50 #include <stddef.h>
51 static_assert(offsetof(SkOTTableHorizontalHeader, numberOfHMetrics) == 34, "SkOTTableHorizontalHeader_numberOfHMetrics_not_at_34");
52 static_assert(sizeof(SkOTTableHorizontalHeader) == 36, "sizeof_SkOTTableHorizontalHeader_not_36");
53 
54 #endif
55