xref: /external/skia/src/sfnt/SkOTTable_OS_2.h

/*
 * Copyright 2012 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef SkOTTable_OS_2_DEFINED
#define SkOTTable_OS_2_DEFINED

#include "SkOTTable_OS_2_VA.h"
#include "SkOTTable_OS_2_V0.h"
#include "SkOTTable_OS_2_V1.h"
#include "SkOTTable_OS_2_V2.h"
#include "SkOTTable_OS_2_V3.h"
#include "SkOTTable_OS_2_V4.h"

#pragma pack(push, 1)

struct SkOTTableOS2 {
    static const SK_OT_CHAR TAG0 = 'O';
    static const SK_OT_CHAR TAG1 = 'S';
    static const SK_OT_CHAR TAG2 = '/';
    static const SK_OT_CHAR TAG3 = '2';
    static const SK_OT_ULONG TAG = SkOTTableTAG<SkOTTableOS2>::value;

    union Version {
        SK_OT_USHORT version;

        //original V0 TT
        struct VA : SkOTTableOS2_VA { } vA;
        struct V0 : SkOTTableOS2_V0 { } v0;
        struct V1 : SkOTTableOS2_V1 { } v1;
        struct V2 : SkOTTableOS2_V2 { } v2;
        //makes fsType 0-3 exclusive
        struct V3 : SkOTTableOS2_V3 { } v3;
        //defines fsSelection bits 7-9
        struct V4 : SkOTTableOS2_V4 { } v4;
    } version;
};

#pragma pack(pop)


static_assert(sizeof(SkOTTableOS2::Version::VA) == 68, "sizeof_SkOTTableOS2__VA_not_68");
static_assert(sizeof(SkOTTableOS2::Version::V0) == 78, "sizeof_SkOTTableOS2__V0_not_78");
static_assert(sizeof(SkOTTableOS2::Version::V1) == 86, "sizeof_SkOTTableOS2__V1_not_86");
static_assert(sizeof(SkOTTableOS2::Version::V2) == 96, "sizeof_SkOTTableOS2__V2_not_96");
static_assert(sizeof(SkOTTableOS2::Version::V3) == 96, "sizeof_SkOTTableOS2__V3_not_96");
static_assert(sizeof(SkOTTableOS2::Version::V4) == 96, "sizeof_SkOTTableOS2__V4_not_96");

#endif