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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_OS_2_DEFINED
9 #define SkOTTable_OS_2_DEFINED
10 
11 #include "SkOTTable_OS_2_VA.h"
12 #include "SkOTTable_OS_2_V0.h"
13 #include "SkOTTable_OS_2_V1.h"
14 #include "SkOTTable_OS_2_V2.h"
15 #include "SkOTTable_OS_2_V3.h"
16 #include "SkOTTable_OS_2_V4.h"
17 
18 #pragma pack(push, 1)
19 
20 struct SkOTTableOS2 {
21     static constexpr SK_OT_CHAR TAG0 = 'O';
22     static constexpr SK_OT_CHAR TAG1 = 'S';
23     static constexpr SK_OT_CHAR TAG2 = '/';
24     static constexpr SK_OT_CHAR TAG3 = '2';
25     static constexpr SK_OT_ULONG TAG = SkOTTableTAG<SkOTTableOS2>::value;
26 
27     union Version {
28         SK_OT_USHORT version;
29 
30         //original V0 TT
31         struct VA : SkOTTableOS2_VA { } vA;
32         struct V0 : SkOTTableOS2_V0 { } v0;
33         struct V1 : SkOTTableOS2_V1 { } v1;
34         struct V2 : SkOTTableOS2_V2 { } v2;
35         //makes fsType 0-3 exclusive
36         struct V3 : SkOTTableOS2_V3 { } v3;
37         //defines fsSelection bits 7-9
38         struct V4 : SkOTTableOS2_V4 { } v4;
39     } version;
40 };
41 
42 #pragma pack(pop)
43 
44 
45 static_assert(sizeof(SkOTTableOS2::Version::VA) == 68, "sizeof_SkOTTableOS2__VA_not_68");
46 static_assert(sizeof(SkOTTableOS2::Version::V0) == 78, "sizeof_SkOTTableOS2__V0_not_78");
47 static_assert(sizeof(SkOTTableOS2::Version::V1) == 86, "sizeof_SkOTTableOS2__V1_not_86");
48 static_assert(sizeof(SkOTTableOS2::Version::V2) == 96, "sizeof_SkOTTableOS2__V2_not_96");
49 static_assert(sizeof(SkOTTableOS2::Version::V3) == 96, "sizeof_SkOTTableOS2__V3_not_96");
50 static_assert(sizeof(SkOTTableOS2::Version::V4) == 96, "sizeof_SkOTTableOS2__V4_not_96");
51 
52 #endif
53