// Copyright 2016 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_FONT_CPDF_CIDFONT_H_ #define CORE_FPDFAPI_FONT_CPDF_CIDFONT_H_ #include <memory> #include <vector> #include "core/fpdfapi/font/cpdf_font.h" #include "core/fxcrt/cfx_maybe_owned.h" #include "core/fxcrt/fx_string.h" #include "core/fxcrt/fx_system.h" enum CIDSet { CIDSET_UNKNOWN, CIDSET_GB1, CIDSET_CNS1, CIDSET_JAPAN1, CIDSET_KOREA1, CIDSET_UNICODE, CIDSET_NUM_SETS }; class CFX_CTTGSUBTable; class CPDF_Array; class CPDF_CID2UnicodeMap; class CPDF_CMap; class CPDF_StreamAcc; class CPDF_CIDFont : public CPDF_Font { public: CPDF_CIDFont(); ~CPDF_CIDFont() override; static FX_FLOAT CIDTransformToFloat(uint8_t ch); // CPDF_Font: bool IsCIDFont() const override; const CPDF_CIDFont* AsCIDFont() const override; CPDF_CIDFont* AsCIDFont() override; int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) override; int GetCharWidthF(uint32_t charcode) override; FX_RECT GetCharBBox(uint32_t charcode) override; uint32_t GetNextChar(const FX_CHAR* pString, int nStrLen, int& offset) const override; int CountChar(const FX_CHAR* pString, int size) const override; int AppendChar(FX_CHAR* str, uint32_t charcode) const override; bool IsVertWriting() const override; bool IsUnicodeCompatible() const override; bool Load() override; CFX_WideString UnicodeFromCharCode(uint32_t charcode) const override; uint32_t CharCodeFromUnicode(FX_WCHAR Unicode) const override; uint16_t CIDFromCharCode(uint32_t charcode) const; const uint8_t* GetCIDTransform(uint16_t CID) const; short GetVertWidth(uint16_t CID) const; void GetVertOrigin(uint16_t CID, short& vx, short& vy) const; int GetCharSize(uint32_t charcode) const; protected: void LoadGB2312(); int GetGlyphIndex(uint32_t unicodeb, bool* pVertGlyph); int GetVerticalGlyph(int index, bool* pVertGlyph); void LoadMetricsArray(CPDF_Array* pArray, std::vector<uint32_t>* result, int nElements); void LoadSubstFont(); FX_WCHAR GetUnicodeFromCharCode(uint32_t charcode) const; CFX_MaybeOwned<CPDF_CMap> m_pCMap; CPDF_CID2UnicodeMap* m_pCID2UnicodeMap; CIDSet m_Charset; bool m_bType1; bool m_bCIDIsGID; uint16_t m_DefaultWidth; std::unique_ptr<CPDF_StreamAcc> m_pStreamAcc; bool m_bAnsiWidthsFixed; FX_RECT m_CharBBox[256]; std::vector<uint32_t> m_WidthList; short m_DefaultVY; short m_DefaultW1; std::vector<uint32_t> m_VertMetrics; bool m_bAdobeCourierStd; std::unique_ptr<CFX_CTTGSUBTable> m_pTTGSUBTable; }; #endif // CORE_FPDFAPI_FONT_CPDF_CIDFONT_H_