The Tor Browser / file comparison
comparison: gfx/skia/trunk/src/sfnt/SkOTTable_head.h
gfx/skia/trunk/src/sfnt/SkOTTable_head.h
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
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| -1:000000000000 | 0:456c1188590c |
|---|---|
| 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_head_DEFINED | |
| 9 #define SkOTTable_head_DEFINED | |
| 10 | |
| 11 #include "SkEndian.h" | |
| 12 #include "SkOTTableTypes.h" | |
| 13 #include "SkTypedEnum.h" | |
| 14 | |
| 15 #pragma pack(push, 1) | |
| 16 | |
| 17 struct SkOTTableHead { | |
| 18 static const SK_OT_CHAR TAG0 = 'h'; | |
| 19 static const SK_OT_CHAR TAG1 = 'e'; | |
| 20 static const SK_OT_CHAR TAG2 = 'a'; | |
| 21 static const SK_OT_CHAR TAG3 = 'd'; | |
| 22 static const SK_OT_ULONG TAG = SkOTTableTAG<SkOTTableHead>::value; | |
| 23 | |
| 24 SK_OT_Fixed version; | |
| 25 static const SK_OT_Fixed version1 = SkTEndian_SwapBE32(0x00010000); | |
| 26 SK_OT_Fixed fontRevision; | |
| 27 static const uint32_t fontChecksum = 0xB1B0AFBA; //checksum of all TT fonts | |
| 28 SK_OT_ULONG checksumAdjustment; | |
| 29 SK_OT_ULONG magicNumber; | |
| 30 static const SK_OT_ULONG magicNumberConst = SkTEndian_SwapBE32(0x5F0F3CF5); | |
| 31 union Flags { | |
| 32 struct Field { | |
| 33 //8-15 | |
| 34 SK_OT_BYTE_BITFIELD( | |
| 35 GXMetamorphosis_Apple, | |
| 36 HasStrongRTL_Apple, | |
| 37 HasIndicStyleRearrangement, | |
| 38 AgfaMicroTypeExpressProcessed, | |
| 39 FontConverted, | |
| 40 DesignedForClearType, | |
| 41 LastResort, | |
| 42 Reserved15) | |
| 43 //0-7 | |
| 44 SK_OT_BYTE_BITFIELD( | |
| 45 BaselineAtY0, | |
| 46 LeftSidebearingAtX0, | |
| 47 InstructionsDependOnPointSize, | |
| 48 IntegerScaling, | |
| 49 InstructionsAlterAdvanceWidth, | |
| 50 VerticalCenteredGlyphs_Apple, | |
| 51 Reserved06, | |
| 52 RequiresLayout_Apple) | |
| 53 } field; | |
| 54 struct Raw { | |
| 55 static const SK_OT_USHORT BaselineAtY0Mask = SkTEndian_SwapBE16(1 << 0); | |
| 56 static const SK_OT_USHORT LeftSidebearingAtX0Mask = SkTEndian_SwapBE16(1 << 1); | |
| 57 static const SK_OT_USHORT InstructionsDependOnPointSizeMask = SkTEndian_SwapBE16(1 << 2); | |
| 58 static const SK_OT_USHORT IntegerScalingMask = SkTEndian_SwapBE16(1 << 3); | |
| 59 static const SK_OT_USHORT InstructionsAlterAdvanceWidthMask = SkTEndian_SwapBE16(1 << 4); | |
| 60 static const SK_OT_USHORT VerticalCenteredGlyphs_AppleMask = SkTEndian_SwapBE16(1 << 5); | |
| 61 //Reserved | |
| 62 static const SK_OT_USHORT RequiresLayout_AppleMask = SkTEndian_SwapBE16(1 << 7); | |
| 63 | |
| 64 static const SK_OT_USHORT GXMetamorphosis_AppleMask = SkTEndian_SwapBE16(1 << 8); | |
| 65 static const SK_OT_USHORT HasStrongRTL_AppleMask = SkTEndian_SwapBE16(1 << 9); | |
| 66 static const SK_OT_USHORT HasIndicStyleRearrangementMask = SkTEndian_SwapBE16(1 << 10); | |
| 67 static const SK_OT_USHORT AgfaMicroTypeExpressProcessedMask = SkTEndian_SwapBE16(1 << 11); | |
| 68 static const SK_OT_USHORT FontConvertedMask = SkTEndian_SwapBE16(1 << 12); | |
| 69 static const SK_OT_USHORT DesignedForClearTypeMask = SkTEndian_SwapBE16(1 << 13); | |
| 70 static const SK_OT_USHORT LastResortMask = SkTEndian_SwapBE16(1 << 14); | |
| 71 //Reserved | |
| 72 SK_OT_USHORT value; | |
| 73 } raw; | |
| 74 } flags; | |
| 75 SK_OT_USHORT unitsPerEm; | |
| 76 SK_OT_LONGDATETIME created; | |
| 77 SK_OT_LONGDATETIME modified; | |
| 78 SK_OT_SHORT xMin; | |
| 79 SK_OT_SHORT yMin; | |
| 80 SK_OT_SHORT xMax; | |
| 81 SK_OT_SHORT yMax; | |
| 82 union MacStyle { | |
| 83 struct Field { | |
| 84 //8-15 | |
| 85 SK_OT_BYTE_BITFIELD( | |
| 86 Reserved08, | |
| 87 Reserved09, | |
| 88 Reserved10, | |
| 89 Reserved11, | |
| 90 Reserved12, | |
| 91 Reserved13, | |
| 92 Reserved14, | |
| 93 Reserved15) | |
| 94 //0-7 | |
| 95 SK_OT_BYTE_BITFIELD( | |
| 96 Bold, | |
| 97 Italic, | |
| 98 Underline, | |
| 99 Outline, | |
| 100 Shadow, | |
| 101 Condensed, | |
| 102 Extended, | |
| 103 Reserved07) | |
| 104 } field; | |
| 105 struct Raw { | |
| 106 static const SK_OT_USHORT BoldMask = SkTEndian_SwapBE16(1); | |
| 107 static const SK_OT_USHORT ItalicMask = SkTEndian_SwapBE16(1 << 1); | |
| 108 static const SK_OT_USHORT UnderlineMask = SkTEndian_SwapBE16(1 << 2); | |
| 109 static const SK_OT_USHORT OutlineMask = SkTEndian_SwapBE16(1 << 3); | |
| 110 static const SK_OT_USHORT ShadowMask = SkTEndian_SwapBE16(1 << 4); | |
| 111 static const SK_OT_USHORT CondensedMask = SkTEndian_SwapBE16(1 << 5); | |
| 112 static const SK_OT_USHORT ExtendedMask = SkTEndian_SwapBE16(1 << 6); | |
| 113 | |
| 114 SK_OT_USHORT value; | |
| 115 } raw; | |
| 116 } macStyle; | |
| 117 SK_OT_USHORT lowestRecPPEM; | |
| 118 struct FontDirectionHint { | |
| 119 SK_TYPED_ENUM(Value, SK_OT_SHORT, | |
| 120 ((FullyMixedDirectionalGlyphs, SkTEndian_SwapBE16(0))) | |
| 121 ((OnlyStronglyLTR, SkTEndian_SwapBE16(1))) | |
| 122 ((StronglyLTR, SkTEndian_SwapBE16(2))) | |
| 123 ((OnlyStronglyRTL, static_cast<SK_OT_SHORT>(SkTEndian_SwapBE16((uint16_t)-1)))) | |
| 124 ((StronglyRTL, static_cast<SK_OT_SHORT>(SkTEndian_SwapBE16((uint16_t)-2)))) | |
| 125 SK_SEQ_END, | |
| 126 (value)SK_SEQ_END) | |
| 127 } fontDirectionHint; | |
| 128 struct IndexToLocFormat { | |
| 129 SK_TYPED_ENUM(Value, SK_OT_SHORT, | |
| 130 ((ShortOffsets, SkTEndian_SwapBE16(0))) | |
| 131 ((LongOffsets, SkTEndian_SwapBE16(1))) | |
| 132 SK_SEQ_END, | |
| 133 (value)SK_SEQ_END) | |
| 134 } indexToLocFormat; | |
| 135 struct GlyphDataFormat { | |
| 136 SK_TYPED_ENUM(Value, SK_OT_SHORT, | |
| 137 ((CurrentFormat, SkTEndian_SwapBE16(0))) | |
| 138 SK_SEQ_END, | |
| 139 (value)SK_SEQ_END) | |
| 140 } glyphDataFormat; | |
| 141 }; | |
| 142 | |
| 143 #pragma pack(pop) | |
| 144 | |
| 145 | |
| 146 #include <stddef.h> | |
| 147 SK_COMPILE_ASSERT(offsetof(SkOTTableHead, glyphDataFormat) == 52, SkOTTableHead_glyphDataFormat_not_at_52); | |
| 148 SK_COMPILE_ASSERT(sizeof(SkOTTableHead) == 54, sizeof_SkOTTableHead_not_54); | |
| 149 | |
| 150 #endif |
