The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/sfnt/SkSFNTHeader.h
gfx/skia/trunk/src/sfnt/SkSFNTHeader.h
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
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| -1:000000000000 | 0:5a4dadc38bd5 |
|---|---|
| 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 SkSFNTHeader_DEFINED | |
| 9 #define SkSFNTHeader_DEFINED | |
| 10 | |
| 11 #include "SkEndian.h" | |
| 12 #include "SkOTTableTypes.h" | |
| 13 | |
| 14 //All SK_SFNT_ prefixed types should be considered as big endian. | |
| 15 typedef uint16_t SK_SFNT_USHORT; | |
| 16 typedef uint32_t SK_SFNT_ULONG; | |
| 17 | |
| 18 #pragma pack(push, 1) | |
| 19 | |
| 20 struct SkSFNTHeader { | |
| 21 SK_SFNT_ULONG fontType; | |
| 22 struct fontType_WindowsTrueType { | |
| 23 static const SK_OT_CHAR TAG0 = 0; | |
| 24 static const SK_OT_CHAR TAG1 = 1; | |
| 25 static const SK_OT_CHAR TAG2 = 0; | |
| 26 static const SK_OT_CHAR TAG3 = 0; | |
| 27 static const SK_OT_ULONG TAG = SkOTTableTAG<fontType_WindowsTrueType>::value; | |
| 28 }; | |
| 29 struct fontType_MacTrueType { | |
| 30 static const SK_OT_CHAR TAG0 = 't'; | |
| 31 static const SK_OT_CHAR TAG1 = 'r'; | |
| 32 static const SK_OT_CHAR TAG2 = 'u'; | |
| 33 static const SK_OT_CHAR TAG3 = 'e'; | |
| 34 static const SK_OT_ULONG TAG = SkOTTableTAG<fontType_MacTrueType>::value; | |
| 35 }; | |
| 36 struct fontType_PostScript { | |
| 37 static const SK_OT_CHAR TAG0 = 't'; | |
| 38 static const SK_OT_CHAR TAG1 = 'y'; | |
| 39 static const SK_OT_CHAR TAG2 = 'p'; | |
| 40 static const SK_OT_CHAR TAG3 = '1'; | |
| 41 static const SK_OT_ULONG TAG = SkOTTableTAG<fontType_PostScript>::value; | |
| 42 }; | |
| 43 struct fontType_OpenTypeCFF { | |
| 44 static const SK_OT_CHAR TAG0 = 'O'; | |
| 45 static const SK_OT_CHAR TAG1 = 'T'; | |
| 46 static const SK_OT_CHAR TAG2 = 'T'; | |
| 47 static const SK_OT_CHAR TAG3 = 'O'; | |
| 48 static const SK_OT_ULONG TAG = SkOTTableTAG<fontType_OpenTypeCFF>::value; | |
| 49 }; | |
| 50 | |
| 51 SK_SFNT_USHORT numTables; | |
| 52 SK_SFNT_USHORT searchRange; | |
| 53 SK_SFNT_USHORT entrySelector; | |
| 54 SK_SFNT_USHORT rangeShift; | |
| 55 | |
| 56 struct TableDirectoryEntry { | |
| 57 SK_SFNT_ULONG tag; | |
| 58 SK_SFNT_ULONG checksum; | |
| 59 SK_SFNT_ULONG offset; //From beginning of header. | |
| 60 SK_SFNT_ULONG logicalLength; | |
| 61 }; //tableDirectoryEntries[numTables] | |
| 62 }; | |
| 63 | |
| 64 #pragma pack(pop) | |
| 65 | |
| 66 | |
| 67 SK_COMPILE_ASSERT(sizeof(SkSFNTHeader) == 12, sizeof_SkSFNTHeader_not_12); | |
| 68 SK_COMPILE_ASSERT(sizeof(SkSFNTHeader::TableDirectoryEntry) == 16, sizeof_SkSFNTHeader_TableDirectoryEntry_not_16); | |
| 69 | |
| 70 #endif |
