| // 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_INCLUDE_CPDF_FONT_H_ |
| #define CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ |
| |
| #include "core/fxcrt/include/fx_string.h" |
| #include "core/fxcrt/include/fx_system.h" |
| #include "core/include/fxge/fx_font.h" |
| |
| #define PDFFONT_FIXEDPITCH 1 |
| #define PDFFONT_SERIF 2 |
| #define PDFFONT_SYMBOLIC 4 |
| #define PDFFONT_SCRIPT 8 |
| #define PDFFONT_NONSYMBOLIC 32 |
| #define PDFFONT_ITALIC 64 |
| #define PDFFONT_ALLCAP 0x10000 |
| #define PDFFONT_SMALLCAP 0x20000 |
| #define PDFFONT_FORCEBOLD 0x40000 |
| #define PDFFONT_USEEXTERNATTR 0x80000 |
| |
| class CFX_SubstFont; |
| class CPDF_CIDFont; |
| class CPDF_Dictionary; |
| class CPDF_Document; |
| class CPDF_Object; |
| class CPDF_StreamAcc; |
| class CPDF_TrueTypeFont; |
| class CPDF_Type1Font; |
| class CPDF_Type3Font; |
| class CPDF_ToUnicodeMap; |
| |
| class CPDF_Font { |
| public: |
| static CPDF_Font* CreateFontF(CPDF_Document* pDoc, |
| CPDF_Dictionary* pFontDict); |
| static CPDF_Font* GetStockFont(CPDF_Document* pDoc, |
| const CFX_ByteStringC& fontname); |
| static const uint32_t kInvalidCharCode = static_cast<uint32_t>(-1); |
| |
| virtual ~CPDF_Font(); |
| |
| virtual bool IsType1Font() const; |
| virtual bool IsTrueTypeFont() const; |
| virtual bool IsType3Font() const; |
| virtual bool IsCIDFont() const; |
| virtual const CPDF_Type1Font* AsType1Font() const; |
| virtual CPDF_Type1Font* AsType1Font(); |
| virtual const CPDF_TrueTypeFont* AsTrueTypeFont() const; |
| virtual CPDF_TrueTypeFont* AsTrueTypeFont(); |
| virtual const CPDF_Type3Font* AsType3Font() const; |
| virtual CPDF_Type3Font* AsType3Font(); |
| virtual const CPDF_CIDFont* AsCIDFont() const; |
| virtual CPDF_CIDFont* AsCIDFont(); |
| |
| virtual FX_BOOL IsVertWriting() const; |
| virtual FX_BOOL IsUnicodeCompatible() const; |
| virtual uint32_t GetNextChar(const FX_CHAR* pString, |
| int nStrLen, |
| int& offset) const; |
| virtual int CountChar(const FX_CHAR* pString, int size) const; |
| virtual int AppendChar(FX_CHAR* buf, uint32_t charcode) const; |
| virtual int GetCharSize(uint32_t charcode) const; |
| virtual int GlyphFromCharCode(uint32_t charcode, |
| FX_BOOL* pVertGlyph = nullptr); |
| virtual int GlyphFromCharCodeExt(uint32_t charcode); |
| virtual CFX_WideString UnicodeFromCharCode(uint32_t charcode) const; |
| virtual uint32_t CharCodeFromUnicode(FX_WCHAR Unicode) const; |
| |
| const CFX_ByteString& GetBaseFont() const { return m_BaseFont; } |
| const CFX_SubstFont* GetSubstFont() const { return m_Font.GetSubstFont(); } |
| uint32_t GetFlags() const { return m_Flags; } |
| FX_BOOL IsEmbedded() const { return IsType3Font() || m_pFontFile != nullptr; } |
| CPDF_StreamAcc* GetFontFile() const { return m_pFontFile; } |
| CPDF_Dictionary* GetFontDict() const { return m_pFontDict; } |
| FX_BOOL IsStandardFont() const; |
| FXFT_Face GetFace() const { return m_Font.GetFace(); } |
| void AppendChar(CFX_ByteString& str, uint32_t charcode) const; |
| |
| void GetFontBBox(FX_RECT& rect) const { rect = m_FontBBox; } |
| int GetTypeAscent() const { return m_Ascent; } |
| int GetTypeDescent() const { return m_Descent; } |
| int GetItalicAngle() const { return m_ItalicAngle; } |
| int GetStemV() const { return m_StemV; } |
| int GetStringWidth(const FX_CHAR* pString, int size); |
| |
| virtual int GetCharWidthF(uint32_t charcode, int level = 0) = 0; |
| virtual FX_RECT GetCharBBox(uint32_t charcode, int level = 0) = 0; |
| |
| CPDF_Document* m_pDocument; |
| CFX_Font m_Font; |
| |
| protected: |
| CPDF_Font(); |
| |
| virtual FX_BOOL Load() = 0; |
| |
| FX_BOOL Initialize(); |
| void LoadUnicodeMap(); |
| void LoadPDFEncoding(CPDF_Object* pEncoding, |
| int& iBaseEncoding, |
| CFX_ByteString*& pCharNames, |
| FX_BOOL bEmbedded, |
| FX_BOOL bTrueType); |
| void LoadFontDescriptor(CPDF_Dictionary* pDict); |
| void CheckFontMetrics(); |
| |
| const FX_CHAR* GetAdobeCharName(int iBaseEncoding, |
| const CFX_ByteString* pCharNames, |
| int charcode); |
| |
| CFX_ByteString m_BaseFont; |
| CPDF_StreamAcc* m_pFontFile; |
| CPDF_Dictionary* m_pFontDict; |
| CPDF_ToUnicodeMap* m_pToUnicodeMap; |
| FX_BOOL m_bToUnicodeLoaded; |
| int m_Flags; |
| FX_RECT m_FontBBox; |
| int m_StemV; |
| int m_Ascent; |
| int m_Descent; |
| int m_ItalicAngle; |
| }; |
| |
| #endif // CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ |