SkOTTable_OS_2.h revision a544f29496758de6ed2ebf5a53558574019c9da1 
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
20struct SkOTTableOS2 {
21    static const SK_OT_CHAR TAG0 = 'O';
22    static const SK_OT_CHAR TAG1 = 'S';
23    static const SK_OT_CHAR TAG2 = '/';
24    static const SK_OT_CHAR TAG3 = '2';
25    static const 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
45SK_COMPILE_ASSERT(sizeof(SkOTTableOS2::Version::VA) == 68, sizeof_SkOTTableOS2__VA_not_68);
46SK_COMPILE_ASSERT(sizeof(SkOTTableOS2::Version::V0) == 78, sizeof_SkOTTableOS2__V0_not_78);
47SK_COMPILE_ASSERT(sizeof(SkOTTableOS2::Version::V1) == 86, sizeof_SkOTTableOS2__V1_not_86);
48SK_COMPILE_ASSERT(sizeof(SkOTTableOS2::Version::V2) == 96, sizeof_SkOTTableOS2__V2_not_96);
49SK_COMPILE_ASSERT(sizeof(SkOTTableOS2::Version::V3) == 96, sizeof_SkOTTableOS2__V3_not_96);
50SK_COMPILE_ASSERT(sizeof(SkOTTableOS2::Version::V4) == 96, sizeof_SkOTTableOS2__V4_not_96);
51
52#endif
53