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gfx/skia/trunk/src/sfnt/SkOTTable_head.h@129ffea94266 (annotated)

gfx/skia/trunk/src/sfnt/SkOTTable_head.h

Sat, 03 Jan 2015 20:18:00 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Sat, 03 Jan 2015 20:18:00 +0100

branch

TOR_BUG_3246

changeset 7

129ffea94266

permissions

-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0	1	/*
michael@0	2	* Copyright 2012 Google Inc.
michael@0	3	*
michael@0	4	* Use of this source code is governed by a BSD-style license that can be
michael@0	5	* found in the LICENSE file.
michael@0	6	*/
michael@0	7
michael@0	8	#ifndef SkOTTable_head_DEFINED
michael@0	9	#define SkOTTable_head_DEFINED
michael@0	10
michael@0	11	#include "SkEndian.h"
michael@0	12	#include "SkOTTableTypes.h"
michael@0	13	#include "SkTypedEnum.h"
michael@0	14
michael@0	15	#pragma pack(push, 1)
michael@0	16
michael@0	17	struct SkOTTableHead {
michael@0	18	static const SK_OT_CHAR TAG0 = 'h';
michael@0	19	static const SK_OT_CHAR TAG1 = 'e';
michael@0	20	static const SK_OT_CHAR TAG2 = 'a';
michael@0	21	static const SK_OT_CHAR TAG3 = 'd';
michael@0	22	static const SK_OT_ULONG TAG = SkOTTableTAG<SkOTTableHead>::value;
michael@0	23
michael@0	24	SK_OT_Fixed version;
michael@0	25	static const SK_OT_Fixed version1 = SkTEndian_SwapBE32(0x00010000);
michael@0	26	SK_OT_Fixed fontRevision;
michael@0	27	static const uint32_t fontChecksum = 0xB1B0AFBA; //checksum of all TT fonts
michael@0	28	SK_OT_ULONG checksumAdjustment;
michael@0	29	SK_OT_ULONG magicNumber;
michael@0	30	static const SK_OT_ULONG magicNumberConst = SkTEndian_SwapBE32(0x5F0F3CF5);
michael@0	31	union Flags {
michael@0	32	struct Field {
michael@0	33	//8-15
michael@0	34	SK_OT_BYTE_BITFIELD(
michael@0	35	GXMetamorphosis_Apple,
michael@0	36	HasStrongRTL_Apple,
michael@0	37	HasIndicStyleRearrangement,
michael@0	38	AgfaMicroTypeExpressProcessed,
michael@0	39	FontConverted,
michael@0	40	DesignedForClearType,
michael@0	41	LastResort,
michael@0	42	Reserved15)
michael@0	43	//0-7
michael@0	44	SK_OT_BYTE_BITFIELD(
michael@0	45	BaselineAtY0,
michael@0	46	LeftSidebearingAtX0,
michael@0	47	InstructionsDependOnPointSize,
michael@0	48	IntegerScaling,
michael@0	49	InstructionsAlterAdvanceWidth,
michael@0	50	VerticalCenteredGlyphs_Apple,
michael@0	51	Reserved06,
michael@0	52	RequiresLayout_Apple)
michael@0	53	} field;
michael@0	54	struct Raw {
michael@0	55	static const SK_OT_USHORT BaselineAtY0Mask = SkTEndian_SwapBE16(1 << 0);
michael@0	56	static const SK_OT_USHORT LeftSidebearingAtX0Mask = SkTEndian_SwapBE16(1 << 1);
michael@0	57	static const SK_OT_USHORT InstructionsDependOnPointSizeMask = SkTEndian_SwapBE16(1 << 2);
michael@0	58	static const SK_OT_USHORT IntegerScalingMask = SkTEndian_SwapBE16(1 << 3);
michael@0	59	static const SK_OT_USHORT InstructionsAlterAdvanceWidthMask = SkTEndian_SwapBE16(1 << 4);
michael@0	60	static const SK_OT_USHORT VerticalCenteredGlyphs_AppleMask = SkTEndian_SwapBE16(1 << 5);
michael@0	61	//Reserved
michael@0	62	static const SK_OT_USHORT RequiresLayout_AppleMask = SkTEndian_SwapBE16(1 << 7);
michael@0	63
michael@0	64	static const SK_OT_USHORT GXMetamorphosis_AppleMask = SkTEndian_SwapBE16(1 << 8);
michael@0	65	static const SK_OT_USHORT HasStrongRTL_AppleMask = SkTEndian_SwapBE16(1 << 9);
michael@0	66	static const SK_OT_USHORT HasIndicStyleRearrangementMask = SkTEndian_SwapBE16(1 << 10);
michael@0	67	static const SK_OT_USHORT AgfaMicroTypeExpressProcessedMask = SkTEndian_SwapBE16(1 << 11);
michael@0	68	static const SK_OT_USHORT FontConvertedMask = SkTEndian_SwapBE16(1 << 12);
michael@0	69	static const SK_OT_USHORT DesignedForClearTypeMask = SkTEndian_SwapBE16(1 << 13);
michael@0	70	static const SK_OT_USHORT LastResortMask = SkTEndian_SwapBE16(1 << 14);
michael@0	71	//Reserved
michael@0	72	SK_OT_USHORT value;
michael@0	73	} raw;
michael@0	74	} flags;
michael@0	75	SK_OT_USHORT unitsPerEm;
michael@0	76	SK_OT_LONGDATETIME created;
michael@0	77	SK_OT_LONGDATETIME modified;
michael@0	78	SK_OT_SHORT xMin;
michael@0	79	SK_OT_SHORT yMin;
michael@0	80	SK_OT_SHORT xMax;
michael@0	81	SK_OT_SHORT yMax;
michael@0	82	union MacStyle {
michael@0	83	struct Field {
michael@0	84	//8-15
michael@0	85	SK_OT_BYTE_BITFIELD(
michael@0	86	Reserved08,
michael@0	87	Reserved09,
michael@0	88	Reserved10,
michael@0	89	Reserved11,
michael@0	90	Reserved12,
michael@0	91	Reserved13,
michael@0	92	Reserved14,
michael@0	93	Reserved15)
michael@0	94	//0-7
michael@0	95	SK_OT_BYTE_BITFIELD(
michael@0	96	Bold,
michael@0	97	Italic,
michael@0	98	Underline,
michael@0	99	Outline,
michael@0	100	Shadow,
michael@0	101	Condensed,
michael@0	102	Extended,
michael@0	103	Reserved07)
michael@0	104	} field;
michael@0	105	struct Raw {
michael@0	106	static const SK_OT_USHORT BoldMask = SkTEndian_SwapBE16(1);
michael@0	107	static const SK_OT_USHORT ItalicMask = SkTEndian_SwapBE16(1 << 1);
michael@0	108	static const SK_OT_USHORT UnderlineMask = SkTEndian_SwapBE16(1 << 2);
michael@0	109	static const SK_OT_USHORT OutlineMask = SkTEndian_SwapBE16(1 << 3);
michael@0	110	static const SK_OT_USHORT ShadowMask = SkTEndian_SwapBE16(1 << 4);
michael@0	111	static const SK_OT_USHORT CondensedMask = SkTEndian_SwapBE16(1 << 5);
michael@0	112	static const SK_OT_USHORT ExtendedMask = SkTEndian_SwapBE16(1 << 6);
michael@0	113
michael@0	114	SK_OT_USHORT value;
michael@0	115	} raw;
michael@0	116	} macStyle;
michael@0	117	SK_OT_USHORT lowestRecPPEM;
michael@0	118	struct FontDirectionHint {
michael@0	119	SK_TYPED_ENUM(Value, SK_OT_SHORT,
michael@0	120	((FullyMixedDirectionalGlyphs, SkTEndian_SwapBE16(0)))
michael@0	121	((OnlyStronglyLTR, SkTEndian_SwapBE16(1)))
michael@0	122	((StronglyLTR, SkTEndian_SwapBE16(2)))
michael@0	123	((OnlyStronglyRTL, static_cast<SK_OT_SHORT>(SkTEndian_SwapBE16((uint16_t)-1))))
michael@0	124	((StronglyRTL, static_cast<SK_OT_SHORT>(SkTEndian_SwapBE16((uint16_t)-2))))
michael@0	125	SK_SEQ_END,
michael@0	126	(value)SK_SEQ_END)
michael@0	127	} fontDirectionHint;
michael@0	128	struct IndexToLocFormat {
michael@0	129	SK_TYPED_ENUM(Value, SK_OT_SHORT,
michael@0	130	((ShortOffsets, SkTEndian_SwapBE16(0)))
michael@0	131	((LongOffsets, SkTEndian_SwapBE16(1)))
michael@0	132	SK_SEQ_END,
michael@0	133	(value)SK_SEQ_END)
michael@0	134	} indexToLocFormat;
michael@0	135	struct GlyphDataFormat {
michael@0	136	SK_TYPED_ENUM(Value, SK_OT_SHORT,
michael@0	137	((CurrentFormat, SkTEndian_SwapBE16(0)))
michael@0	138	SK_SEQ_END,
michael@0	139	(value)SK_SEQ_END)
michael@0	140	} glyphDataFormat;
michael@0	141	};
michael@0	142
michael@0	143	#pragma pack(pop)
michael@0	144
michael@0	145
michael@0	146	#include <stddef.h>
michael@0	147	SK_COMPILE_ASSERT(offsetof(SkOTTableHead, glyphDataFormat) == 52, SkOTTableHead_glyphDataFormat_not_at_52);
michael@0	148	SK_COMPILE_ASSERT(sizeof(SkOTTableHead) == 54, sizeof_SkOTTableHead_not_54);
michael@0	149
michael@0	150	#endif