// 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 XFA_FGAS_FONT_CFGAS_FONTMGR_H_ #define XFA_FGAS_FONT_CFGAS_FONTMGR_H_ #include <deque> #include <map> #include <memory> #include <set> #include <vector> #include "core/fxcrt/cfx_retain_ptr.h" #include "core/fxcrt/fx_ext.h" #include "core/fxge/cfx_fontmapper.h" #include "core/fxge/fx_freetype.h" #include "core/fxge/ifx_systemfontinfo.h" #include "third_party/freetype/include/freetype/fttypes.h" #include "xfa/fgas/crt/ifgas_stream.h" #define FX_FONTSTYLE_Normal 0x00 #define FX_FONTSTYLE_FixedPitch 0x01 #define FX_FONTSTYLE_Serif 0x02 #define FX_FONTSTYLE_Symbolic 0x04 #define FX_FONTSTYLE_Script 0x08 #define FX_FONTSTYLE_Italic 0x40 #define FX_FONTSTYLE_Bold 0x40000 #define FX_FONTSTYLE_BoldItalic (FX_FONTSTYLE_Bold | FX_FONTSTYLE_Italic) #define FX_FONTSTYLE_ExactMatch 0x80000000 class CFX_FontSourceEnum_File; class CXFA_PDFFontMgr; class CFGAS_FontMgr; class CFGAS_GEFont; #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ #define FX_FONTMATCHPARA_MatchStyle 0x01 struct FX_FONTMATCHPARAMS { const wchar_t* pwsFamily; uint32_t dwFontStyles; uint32_t dwUSB; uint32_t dwMatchFlags; wchar_t wUnicode; uint16_t wCodePage; }; struct FX_FONTSIGNATURE { uint32_t fsUsb[4]; uint32_t fsCsb[2]; }; inline bool operator==(const FX_FONTSIGNATURE& left, const FX_FONTSIGNATURE& right) { return left.fsUsb[0] == right.fsUsb[0] && left.fsUsb[1] == right.fsUsb[1] && left.fsUsb[2] == right.fsUsb[2] && left.fsUsb[3] == right.fsUsb[3] && left.fsCsb[0] == right.fsCsb[0] && left.fsCsb[1] == right.fsCsb[1]; } struct FX_FONTDESCRIPTOR { wchar_t wsFontFace[32]; uint32_t dwFontStyles; uint8_t uCharSet; FX_FONTSIGNATURE FontSignature; }; inline bool operator==(const FX_FONTDESCRIPTOR& left, const FX_FONTDESCRIPTOR& right) { return left.uCharSet == right.uCharSet && left.dwFontStyles == right.dwFontStyles && left.FontSignature == right.FontSignature && FXSYS_wcscmp(left.wsFontFace, right.wsFontFace) == 0; } typedef void (*FX_LPEnumAllFonts)(std::deque<FX_FONTDESCRIPTOR>* fonts, const wchar_t* pwsFaceName, wchar_t wUnicode); FX_LPEnumAllFonts FX_GetDefFontEnumerator(); class CFGAS_FontMgr { public: static std::unique_ptr<CFGAS_FontMgr> Create(FX_LPEnumAllFonts pEnumerator); explicit CFGAS_FontMgr(FX_LPEnumAllFonts pEnumerator); ~CFGAS_FontMgr(); CFX_RetainPtr<CFGAS_GEFont> GetFontByCodePage(uint16_t wCodePage, uint32_t dwFontStyles, const wchar_t* pszFontFamily); CFX_RetainPtr<CFGAS_GEFont> GetFontByUnicode(wchar_t wUnicode, uint32_t dwFontStyles, const wchar_t* pszFontFamily); CFX_RetainPtr<CFGAS_GEFont> LoadFont(const wchar_t* pszFontFamily, uint32_t dwFontStyles, uint16_t wCodePage); void RemoveFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont); private: CFX_RetainPtr<CFGAS_GEFont> LoadFont( const CFX_RetainPtr<CFGAS_GEFont>& pSrcFont, uint32_t dwFontStyles, uint16_t wCodePage); void RemoveFont(std::map<uint32_t, CFX_RetainPtr<CFGAS_GEFont>>* pFontMap, const CFX_RetainPtr<CFGAS_GEFont>& pFont); const FX_FONTDESCRIPTOR* FindFont(const wchar_t* pszFontFamily, uint32_t dwFontStyles, uint32_t dwMatchFlags, uint16_t wCodePage, uint32_t dwUSB = 999, wchar_t wUnicode = 0); FX_LPEnumAllFonts m_pEnumerator; std::deque<FX_FONTDESCRIPTOR> m_FontFaces; std::vector<CFX_RetainPtr<CFGAS_GEFont>> m_Fonts; std::map<uint32_t, CFX_RetainPtr<CFGAS_GEFont>> m_CPFonts; std::map<uint32_t, CFX_RetainPtr<CFGAS_GEFont>> m_FamilyFonts; std::map<uint32_t, CFX_RetainPtr<CFGAS_GEFont>> m_UnicodeFonts; std::map<uint32_t, CFX_RetainPtr<CFGAS_GEFont>> m_BufferFonts; std::map<uint32_t, CFX_RetainPtr<CFGAS_GEFont>> m_StreamFonts; std::map<uint32_t, CFX_RetainPtr<CFGAS_GEFont>> m_DeriveFonts; }; #else // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ class CFX_FontDescriptor { public: CFX_FontDescriptor(); ~CFX_FontDescriptor(); int32_t m_nFaceIndex; CFX_WideString m_wsFaceName; std::vector<CFX_WideString> m_wsFamilyNames; uint32_t m_dwFontStyles; uint32_t m_dwUsb[4]; uint32_t m_dwCsb[2]; }; class CFX_FontDescriptorInfo { public: CFX_FontDescriptor* pFont; int32_t nPenalty; bool operator>(const CFX_FontDescriptorInfo& other) const { return nPenalty > other.nPenalty; } bool operator<(const CFX_FontDescriptorInfo& other) const { return nPenalty < other.nPenalty; } bool operator==(const CFX_FontDescriptorInfo& other) const { return nPenalty == other.nPenalty; } }; struct FX_HandleParentPath { FX_HandleParentPath() {} FX_HandleParentPath(const FX_HandleParentPath& x) { pFileHandle = x.pFileHandle; bsParentPath = x.bsParentPath; } FX_FileHandle* pFileHandle; CFX_ByteString bsParentPath; }; class CFX_FontSourceEnum_File { public: CFX_FontSourceEnum_File(); ~CFX_FontSourceEnum_File(); bool HasStartPosition(); CFX_RetainPtr<IFX_FileAccess> GetNext(); private: CFX_ByteString GetNextFile(); CFX_WideString m_wsNext; std::vector<FX_HandleParentPath> m_FolderQueue; std::vector<CFX_ByteString> m_FolderPaths; }; class CFGAS_FontMgr { public: static std::unique_ptr<CFGAS_FontMgr> Create( CFX_FontSourceEnum_File* pFontEnum); explicit CFGAS_FontMgr(CFX_FontSourceEnum_File* pFontEnum); ~CFGAS_FontMgr(); CFX_RetainPtr<CFGAS_GEFont> GetFontByCodePage(uint16_t wCodePage, uint32_t dwFontStyles, const wchar_t* pszFontFamily); CFX_RetainPtr<CFGAS_GEFont> GetFontByUnicode(wchar_t wUnicode, uint32_t dwFontStyles, const wchar_t* pszFontFamily); CFX_RetainPtr<CFGAS_GEFont> LoadFont(const wchar_t* pszFontFamily, uint32_t dwFontStyles, uint16_t wCodePage); void RemoveFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont); private: bool EnumFonts(); bool EnumFontsFromFontMapper(); bool EnumFontsFromFiles(); void RegisterFace(FXFT_Face pFace, const CFX_WideString* pFaceName); void RegisterFaces(const CFX_RetainPtr<IFX_SeekableReadStream>& pFontStream, const CFX_WideString* pFaceName); void GetNames(const uint8_t* name_table, std::vector<CFX_WideString>& Names); std::vector<uint16_t> GetCharsets(FXFT_Face pFace) const; void GetUSBCSB(FXFT_Face pFace, uint32_t* USB, uint32_t* CSB); uint32_t GetFlags(FXFT_Face pFace); bool VerifyUnicode(CFX_FontDescriptor* pDesc, wchar_t wcUnicode); bool VerifyUnicode(const CFX_RetainPtr<CFGAS_GEFont>& pFont, wchar_t wcUnicode); int32_t IsPartName(const CFX_WideString& Name1, const CFX_WideString& Name2); void MatchFonts(std::vector<CFX_FontDescriptorInfo>* MatchedFonts, uint16_t wCodePage, uint32_t dwFontStyles, const CFX_WideString& FontName, wchar_t wcUnicode = 0xFFFE); int32_t CalcPenalty(CFX_FontDescriptor* pInstalled, uint16_t wCodePage, uint32_t dwFontStyles, const CFX_WideString& FontName, wchar_t wcUnicode = 0xFFFE); CFX_RetainPtr<CFGAS_GEFont> LoadFont(const CFX_WideString& wsFaceName, int32_t iFaceIndex, int32_t* pFaceCount); FXFT_Face LoadFace(const CFX_RetainPtr<IFX_SeekableReadStream>& pFontStream, int32_t iFaceIndex); CFX_RetainPtr<IFX_SeekableReadStream> CreateFontStream( CFX_FontMapper* pFontMapper, IFX_SystemFontInfo* pSystemFontInfo, uint32_t index); CFX_RetainPtr<IFX_SeekableReadStream> CreateFontStream( const CFX_ByteString& bsFaceName); CFX_FontSourceEnum_File* const m_pFontSource; std::vector<std::unique_ptr<CFX_FontDescriptor>> m_InstalledFonts; std::map<uint32_t, std::unique_ptr<std::vector<CFX_FontDescriptorInfo>>> m_Hash2CandidateList; std::map<uint32_t, std::vector<CFX_RetainPtr<CFGAS_GEFont>>> m_Hash2Fonts; std::map<CFX_RetainPtr<CFGAS_GEFont>, CFX_RetainPtr<IFX_SeekableReadStream>> m_IFXFont2FileRead; std::set<wchar_t> m_FailedUnicodesSet; }; #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ #endif // XFA_FGAS_FONT_CFGAS_FONTMGR_H_