From 764ec513eecbebd12781bcc96ce81ed5e736ee92 Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Mon, 14 Mar 2016 13:35:12 -0400 Subject: Move core/src/ up to core/. This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 . --- core/fpdfapi/fpdf_font/ttgsubtable.h | 363 +++++++++++++++++++++++++++++++++++ 1 file changed, 363 insertions(+) create mode 100644 core/fpdfapi/fpdf_font/ttgsubtable.h (limited to 'core/fpdfapi/fpdf_font/ttgsubtable.h') diff --git a/core/fpdfapi/fpdf_font/ttgsubtable.h b/core/fpdfapi/fpdf_font/ttgsubtable.h new file mode 100644 index 0000000000..47ae5a1fa4 --- /dev/null +++ b/core/fpdfapi/fpdf_font/ttgsubtable.h @@ -0,0 +1,363 @@ +// Copyright 2014 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com + +#ifndef CORE_FPDFAPI_FPDF_FONT_TTGSUBTABLE_H_ +#define CORE_FPDFAPI_FPDF_FONT_TTGSUBTABLE_H_ + +#include + +#include + +#include "core/include/fxcrt/fx_basic.h" +#include "core/include/fxge/fx_font.h" +#include "core/include/fxge/fx_freetype.h" + +class CFX_GlyphMap { + public: + CFX_GlyphMap(); + ~CFX_GlyphMap(); + void SetAt(int key, int value); + FX_BOOL Lookup(int key, int& value); + + protected: + CFX_BinaryBuf m_Buffer; +}; +class CFX_CTTGSUBTable { + public: + CFX_CTTGSUBTable(void) : m_bFeautureMapLoad(FALSE), loaded(false) {} + CFX_CTTGSUBTable(FT_Bytes gsub) : m_bFeautureMapLoad(FALSE), loaded(false) { + LoadGSUBTable(gsub); + } + virtual ~CFX_CTTGSUBTable() {} + bool IsOk(void) const { return loaded; } + bool LoadGSUBTable(FT_Bytes gsub); + bool GetVerticalGlyph(uint32_t glyphnum, uint32_t* vglyphnum); + + private: + struct tt_gsub_header { + uint32_t Version; + uint16_t ScriptList; + uint16_t FeatureList; + uint16_t LookupList; + }; + struct TLangSys { + uint16_t LookupOrder; + uint16_t ReqFeatureIndex; + uint16_t FeatureCount; + uint16_t* FeatureIndex; + TLangSys() + : LookupOrder(0), + ReqFeatureIndex(0), + FeatureCount(0), + FeatureIndex(NULL) {} + ~TLangSys() { delete[] FeatureIndex; } + + private: + TLangSys(const TLangSys&); + TLangSys& operator=(const TLangSys&); + }; + struct TLangSysRecord { + uint32_t LangSysTag; + struct TLangSys LangSys; + TLangSysRecord() : LangSysTag(0) {} + + private: + TLangSysRecord(const TLangSysRecord&); + TLangSysRecord& operator=(const TLangSysRecord&); + }; + struct TScript { + uint16_t DefaultLangSys; + uint16_t LangSysCount; + struct TLangSysRecord* LangSysRecord; + TScript() : DefaultLangSys(0), LangSysCount(0), LangSysRecord(NULL) {} + ~TScript() { delete[] LangSysRecord; } + + private: + TScript(const TScript&); + TScript& operator=(const TScript&); + }; + struct TScriptRecord { + uint32_t ScriptTag; + struct TScript Script; + TScriptRecord() : ScriptTag(0) {} + + private: + TScriptRecord(const TScriptRecord&); + TScriptRecord& operator=(const TScriptRecord&); + }; + struct TScriptList { + uint16_t ScriptCount; + struct TScriptRecord* ScriptRecord; + TScriptList() : ScriptCount(0), ScriptRecord(NULL) {} + ~TScriptList() { delete[] ScriptRecord; } + + private: + TScriptList(const TScriptList&); + TScriptList& operator=(const TScriptList&); + }; + struct TFeature { + uint16_t FeatureParams; + int LookupCount; + uint16_t* LookupListIndex; + TFeature() : FeatureParams(0), LookupCount(0), LookupListIndex(NULL) {} + ~TFeature() { delete[] LookupListIndex; } + + private: + TFeature(const TFeature&); + TFeature& operator=(const TFeature&); + }; + struct TFeatureRecord { + uint32_t FeatureTag; + struct TFeature Feature; + TFeatureRecord() : FeatureTag(0) {} + + private: + TFeatureRecord(const TFeatureRecord&); + TFeatureRecord& operator=(const TFeatureRecord&); + }; + struct TFeatureList { + int FeatureCount; + struct TFeatureRecord* FeatureRecord; + TFeatureList() : FeatureCount(0), FeatureRecord(NULL) {} + ~TFeatureList() { delete[] FeatureRecord; } + + private: + TFeatureList(const TFeatureList&); + TFeatureList& operator=(const TFeatureList&); + }; + enum TLookupFlag { + LOOKUPFLAG_RightToLeft = 0x0001, + LOOKUPFLAG_IgnoreBaseGlyphs = 0x0002, + LOOKUPFLAG_IgnoreLigatures = 0x0004, + LOOKUPFLAG_IgnoreMarks = 0x0008, + LOOKUPFLAG_Reserved = 0x00F0, + LOOKUPFLAG_MarkAttachmentType = 0xFF00, + }; + struct TCoverageFormatBase { + uint16_t CoverageFormat; + CFX_GlyphMap m_glyphMap; + TCoverageFormatBase() : CoverageFormat(0) {} + virtual ~TCoverageFormatBase() {} + + private: + TCoverageFormatBase(const TCoverageFormatBase&); + TCoverageFormatBase& operator=(const TCoverageFormatBase&); + }; + struct TCoverageFormat1 : public TCoverageFormatBase { + uint16_t GlyphCount; + uint16_t* GlyphArray; + TCoverageFormat1() : GlyphCount(0), GlyphArray(NULL) { CoverageFormat = 1; } + ~TCoverageFormat1() override { delete[] GlyphArray; } + + private: + TCoverageFormat1(const TCoverageFormat1&); + TCoverageFormat1& operator=(const TCoverageFormat1&); + }; + struct TRangeRecord { + uint16_t Start; + uint16_t End; + uint16_t StartCoverageIndex; + TRangeRecord() : Start(0), End(0), StartCoverageIndex(0) {} + friend bool operator>(const TRangeRecord& r1, const TRangeRecord& r2) { + return r1.Start > r2.Start; + } + + private: + TRangeRecord(const TRangeRecord&); + }; + struct TCoverageFormat2 : public TCoverageFormatBase { + uint16_t RangeCount; + struct TRangeRecord* RangeRecord; + TCoverageFormat2() : RangeCount(0), RangeRecord(NULL) { + CoverageFormat = 2; + } + ~TCoverageFormat2() override { delete[] RangeRecord; } + + private: + TCoverageFormat2(const TCoverageFormat2&); + TCoverageFormat2& operator=(const TCoverageFormat2&); + }; + struct TClassDefFormatBase { + uint16_t ClassFormat; + TClassDefFormatBase() : ClassFormat(0) {} + virtual ~TClassDefFormatBase() {} + + private: + TClassDefFormatBase(const TClassDefFormatBase&); + TClassDefFormatBase& operator=(const TClassDefFormatBase&); + }; + struct TClassDefFormat1 : public TClassDefFormatBase { + uint16_t StartGlyph; + uint16_t GlyphCount; + uint16_t* ClassValueArray; + TClassDefFormat1() : StartGlyph(0), GlyphCount(0), ClassValueArray(NULL) { + ClassFormat = 1; + } + ~TClassDefFormat1() override { delete[] ClassValueArray; } + + private: + TClassDefFormat1(const TClassDefFormat1&); + TClassDefFormat1& operator=(const TClassDefFormat1&); + }; + struct TClassRangeRecord { + uint16_t Start; + uint16_t End; + uint16_t Class; + TClassRangeRecord() : Start(0), End(0), Class(0) {} + + private: + TClassRangeRecord(const TClassRangeRecord&); + TClassRangeRecord& operator=(const TClassRangeRecord&); + }; + struct TClassDefFormat2 : public TClassDefFormatBase { + uint16_t ClassRangeCount; + struct TClassRangeRecord* ClassRangeRecord; + TClassDefFormat2() : ClassRangeCount(0), ClassRangeRecord(NULL) { + ClassFormat = 2; + } + ~TClassDefFormat2() override { delete[] ClassRangeRecord; } + + private: + TClassDefFormat2(const TClassDefFormat2&); + TClassDefFormat2& operator=(const TClassDefFormat2&); + }; + struct TDevice { + uint16_t StartSize; + uint16_t EndSize; + uint16_t DeltaFormat; + TDevice() : StartSize(0), EndSize(0), DeltaFormat(0) {} + + private: + TDevice(const TDevice&); + TDevice& operator=(const TDevice&); + }; + struct TSubTableBase { + uint16_t SubstFormat; + TSubTableBase() : SubstFormat(0) {} + virtual ~TSubTableBase() {} + + private: + TSubTableBase(const TSubTableBase&); + TSubTableBase& operator=(const TSubTableBase&); + }; + struct TSingleSubstFormat1 : public TSubTableBase { + TCoverageFormatBase* Coverage; + int16_t DeltaGlyphID; + TSingleSubstFormat1() : Coverage(NULL), DeltaGlyphID(0) { SubstFormat = 1; } + ~TSingleSubstFormat1() override { delete Coverage; } + + private: + TSingleSubstFormat1(const TSingleSubstFormat1&); + TSingleSubstFormat1& operator=(const TSingleSubstFormat1&); + }; + struct TSingleSubstFormat2 : public TSubTableBase { + TCoverageFormatBase* Coverage; + uint16_t GlyphCount; + uint16_t* Substitute; + TSingleSubstFormat2() : Coverage(NULL), GlyphCount(0), Substitute(NULL) { + SubstFormat = 2; + } + ~TSingleSubstFormat2() override { + delete Coverage; + delete[] Substitute; + } + + private: + TSingleSubstFormat2(const TSingleSubstFormat2&); + TSingleSubstFormat2& operator=(const TSingleSubstFormat2&); + }; + struct TLookup { + uint16_t LookupType; + uint16_t LookupFlag; + uint16_t SubTableCount; + struct TSubTableBase** SubTable; + TLookup() + : LookupType(0), LookupFlag(0), SubTableCount(0), SubTable(NULL) {} + ~TLookup() { + if (SubTable) { + for (int i = 0; i < SubTableCount; ++i) + delete SubTable[i]; + delete[] SubTable; + } + } + + private: + TLookup(const TLookup&); + TLookup& operator=(const TLookup&); + }; + struct TLookupList { + int LookupCount; + struct TLookup* Lookup; + TLookupList() : LookupCount(0), Lookup(NULL) {} + ~TLookupList() { delete[] Lookup; } + + private: + TLookupList(const TLookupList&); + TLookupList& operator=(const TLookupList&); + }; + bool Parse(FT_Bytes scriptlist, FT_Bytes featurelist, FT_Bytes lookuplist); + void ParseScriptList(FT_Bytes raw, TScriptList* rec); + void ParseScript(FT_Bytes raw, TScript* rec); + void ParseLangSys(FT_Bytes raw, TLangSys* rec); + void ParseFeatureList(FT_Bytes raw, TFeatureList* rec); + void ParseFeature(FT_Bytes raw, TFeature* rec); + void ParseLookupList(FT_Bytes raw, TLookupList* rec); + void ParseLookup(FT_Bytes raw, TLookup* rec); + void ParseCoverage(FT_Bytes raw, TCoverageFormatBase** rec); + void ParseCoverageFormat1(FT_Bytes raw, TCoverageFormat1* rec); + void ParseCoverageFormat2(FT_Bytes raw, TCoverageFormat2* rec); + void ParseSingleSubst(FT_Bytes raw, TSubTableBase** rec); + void ParseSingleSubstFormat1(FT_Bytes raw, TSingleSubstFormat1* rec); + void ParseSingleSubstFormat2(FT_Bytes raw, TSingleSubstFormat2* rec); + bool GetVerticalGlyphSub(uint32_t glyphnum, + uint32_t* vglyphnum, + struct TFeature* Feature); + bool GetVerticalGlyphSub2(uint32_t glyphnum, + uint32_t* vglyphnum, + struct TLookup* Lookup); + int GetCoverageIndex(struct TCoverageFormatBase* Coverage, uint32_t g); + uint8_t GetUInt8(FT_Bytes& p) const { + uint8_t ret = p[0]; + p += 1; + return ret; + } + int16_t GetInt16(FT_Bytes& p) const { + uint16_t ret = p[0] << 8 | p[1]; + p += 2; + return *(int16_t*)&ret; + } + uint16_t GetUInt16(FT_Bytes& p) const { + uint16_t ret = p[0] << 8 | p[1]; + p += 2; + return ret; + } + int32_t GetInt32(FT_Bytes& p) const { + uint32_t ret = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; + p += 4; + return *(int32_t*)&ret; + } + uint32_t GetUInt32(FT_Bytes& p) const { + uint32_t ret = p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; + p += 4; + return ret; + } + std::map m_featureMap; + FX_BOOL m_bFeautureMapLoad; + bool loaded; + struct tt_gsub_header header; + struct TScriptList ScriptList; + struct TFeatureList FeatureList; + struct TLookupList LookupList; +}; +class CFX_GSUBTable final : public IFX_GSUBTable { + public: + ~CFX_GSUBTable() override {} + FX_BOOL GetVerticalGlyph(FX_DWORD glyphnum, FX_DWORD* vglyphnum) override; + + CFX_CTTGSUBTable m_GsubImp; +}; + +#endif // CORE_FPDFAPI_FPDF_FONT_TTGSUBTABLE_H_ -- cgit v1.2.3