diff options
Diffstat (limited to 'core/fpdfapi/fpdf_font/cpdf_cidfont.h')
-rw-r--r-- | core/fpdfapi/fpdf_font/cpdf_cidfont.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_font/cpdf_cidfont.h b/core/fpdfapi/fpdf_font/cpdf_cidfont.h new file mode 100644 index 0000000000..6ff7c825d2 --- /dev/null +++ b/core/fpdfapi/fpdf_font/cpdf_cidfont.h @@ -0,0 +1,89 @@ +// 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_FPDF_FONT_CPDF_CIDFONT_H_ +#define CORE_FPDFAPI_FPDF_FONT_CPDF_CIDFONT_H_ + +#include "core/fpdfapi/fpdf_font/include/cpdf_font.h" +#include "core/fxcrt/include/fx_string.h" +#include "core/fxcrt/include/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(FX_DWORD charcode, FX_BOOL* pVertGlyph = NULL) override; + int GetCharWidthF(FX_DWORD charcode, int level = 0) override; + FX_RECT GetCharBBox(FX_DWORD charcode, int level = 0) override; + FX_DWORD 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, FX_DWORD charcode) const override; + int GetCharSize(FX_DWORD charcode) const override; + FX_BOOL IsVertWriting() const override; + FX_BOOL IsUnicodeCompatible() const override; + FX_BOOL Load() override; + CFX_WideString UnicodeFromCharCode(FX_DWORD charcode) const override; + FX_DWORD CharCodeFromUnicode(FX_WCHAR Unicode) const override; + + FX_BOOL LoadGB2312(); + uint16_t CIDFromCharCode(FX_DWORD 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; + virtual FX_BOOL IsFontStyleFromCharCode(FX_DWORD charcode) const; + + protected: + int GetGlyphIndex(FX_DWORD unicodeb, FX_BOOL* pVertGlyph); + void LoadMetricsArray(CPDF_Array* pArray, + CFX_DWordArray& result, + int nElements); + void LoadSubstFont(); + FX_WCHAR GetUnicodeFromCharCode(FX_DWORD charcode) const; + + CPDF_CMap* m_pCMap; + CPDF_CMap* m_pAllocatedCMap; + CPDF_CID2UnicodeMap* m_pCID2UnicodeMap; + CIDSet m_Charset; + FX_BOOL m_bType1; + CPDF_StreamAcc* m_pCIDToGIDMap; + FX_BOOL m_bCIDIsGID; + uint16_t m_DefaultWidth; + uint16_t* m_pAnsiWidths; + FX_SMALL_RECT m_CharBBox[256]; + CFX_DWordArray m_WidthList; + short m_DefaultVY; + short m_DefaultW1; + CFX_DWordArray m_VertMetrics; + FX_BOOL m_bAdobeCourierStd; + CFX_CTTGSUBTable* m_pTTGSUBTable; +}; + +#endif // CORE_FPDFAPI_FPDF_FONT_CPDF_CIDFONT_H_ |