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

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