1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef _FX_FONTMGR_IMP 8 #define _FX_FONTMGR_IMP 9 #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ 10 int32_t FX_GetSimilarValue(FX_LPCFONTDESCRIPTOR pFont, FX_DWORD dwFontStyles); 11 FX_LPCFONTDESCRIPTOR FX_DefFontMatcher(FX_LPFONTMATCHPARAMS pParams, 12 const CFX_FontDescriptors& fonts, 13 void* pUserData); 14 class CFX_StdFontMgrImp : public IFX_FontMgr { 15 public: 16 CFX_StdFontMgrImp(FX_LPEnumAllFonts pEnumerator, 17 FX_LPMatchFont pMatcher, 18 void* pUserData); 19 ~CFX_StdFontMgrImp(); Release()20 virtual void Release() { delete this; } 21 virtual IFX_Font* GetDefFontByCodePage(FX_WORD wCodePage, 22 FX_DWORD dwFontStyles, 23 const FX_WCHAR* pszFontFamily = NULL); 24 virtual IFX_Font* GetDefFontByCharset(uint8_t nCharset, 25 FX_DWORD dwFontStyles, 26 const FX_WCHAR* pszFontFamily = NULL); 27 virtual IFX_Font* GetDefFontByUnicode(FX_WCHAR wUnicode, 28 FX_DWORD dwFontStyles, 29 const FX_WCHAR* pszFontFamily = NULL); 30 virtual IFX_Font* GetDefFontByLanguage(FX_WORD wLanguage, 31 FX_DWORD dwFontStyles, 32 const FX_WCHAR* pszFontFamily = NULL); 33 virtual IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily, 34 FX_DWORD dwFontStyles, 35 FX_WORD wCodePage = 0xFFFF); 36 virtual IFX_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength); 37 virtual IFX_Font* LoadFont(const FX_WCHAR* pszFileName); 38 virtual IFX_Font* LoadFont(IFX_Stream* pFontStream, 39 const FX_WCHAR* pszFontAlias = NULL, 40 FX_DWORD dwFontStyles = 0, 41 FX_WORD wCodePage = 0, 42 FX_BOOL bSaveStream = FALSE); 43 virtual IFX_Font* LoadFont(IFX_Font* pSrcFont, 44 FX_DWORD dwFontStyles, 45 FX_WORD wCodePage = 0xFFFF); 46 virtual void ClearFontCache(); 47 virtual void RemoveFont(IFX_Font* pFont); 48 49 protected: 50 FX_LPMatchFont m_pMatcher; 51 FX_LPEnumAllFonts m_pEnumerator; 52 CFX_FontDescriptors m_FontFaces; 53 CFX_PtrArray m_Fonts; 54 CFX_MapPtrToPtr m_CPFonts; 55 CFX_MapPtrToPtr m_FamilyFonts; 56 CFX_MapPtrToPtr m_UnicodeFonts; 57 CFX_MapPtrToPtr m_BufferFonts; 58 CFX_MapPtrToPtr m_FileFonts; 59 CFX_MapPtrToPtr m_StreamFonts; 60 CFX_MapPtrToPtr m_DeriveFonts; 61 void* m_pUserData; 62 void RemoveFont(CFX_MapPtrToPtr& fontMap, IFX_Font* pFont); 63 FX_LPCFONTDESCRIPTOR FindFont(const FX_WCHAR* pszFontFamily, 64 FX_DWORD dwFontStyles, 65 FX_DWORD dwMatchFlags, 66 FX_WORD wCodePage, 67 FX_DWORD dwUSB = 999, 68 FX_WCHAR wUnicode = 0); 69 IFX_Font* GetFont(FX_LPCFONTDESCRIPTOR pFD, FX_DWORD dwFontStyles); 70 }; 71 FX_DWORD FX_GetGdiFontStyles(const LOGFONTW& lf); 72 #else 73 class CFX_FontDescriptor { 74 public: CFX_FontDescriptor()75 CFX_FontDescriptor() 76 : m_pFileAccess(NULL), m_nFaceIndex(0), m_dwFontStyles(0) { 77 m_dwUsb[0] = m_dwUsb[1] = m_dwUsb[2] = m_dwUsb[3] = 0; 78 m_dwCsb[0] = m_dwCsb[1] = 0; 79 } ~CFX_FontDescriptor()80 ~CFX_FontDescriptor() { 81 if (NULL != m_pFileAccess) { 82 m_pFileAccess->Release(); 83 } 84 } 85 IFX_FileAccess* m_pFileAccess; 86 int32_t m_nFaceIndex; 87 CFX_WideString m_wsFaceName; 88 CFX_WideStringArray m_wsFamilyNames; 89 FX_DWORD m_dwFontStyles; 90 FX_DWORD m_dwUsb[4]; 91 FX_DWORD m_dwCsb[2]; 92 }; 93 typedef CFX_ArrayTemplate<CFX_FontDescriptor*> CFX_FontDescriptors; 94 struct FX_FontDescriptorInfo { 95 public: 96 CFX_FontDescriptor* pFont; 97 int32_t nPenalty; 98 FX_BOOL operator>(const FX_FontDescriptorInfo& x) { 99 return this->nPenalty > x.nPenalty; 100 }; 101 FX_BOOL operator<(const FX_FontDescriptorInfo& x) { 102 return this->nPenalty < x.nPenalty; 103 }; 104 FX_BOOL operator==(const FX_FontDescriptorInfo& x) { 105 return this->nPenalty == x.nPenalty; 106 }; 107 }; 108 typedef CFX_ArrayTemplate<FX_FontDescriptorInfo> CFX_FontDescriptorInfos; 109 struct FX_HandleParentPath { FX_HandleParentPathFX_HandleParentPath110 FX_HandleParentPath() {} FX_HandleParentPathFX_HandleParentPath111 FX_HandleParentPath(const FX_HandleParentPath& x) { 112 pFileHandle = x.pFileHandle; 113 bsParentPath = x.bsParentPath; 114 } 115 void* pFileHandle; 116 CFX_ByteString bsParentPath; 117 }; 118 class CFX_FontSourceEnum_File : public IFX_FontSourceEnum { 119 public: 120 CFX_FontSourceEnum_File(); Release()121 virtual void Release() { delete this; }; 122 virtual FX_POSITION GetStartPosition(void* pUserData = NULL); 123 virtual IFX_FileAccess* GetNext(FX_POSITION& pos, void* pUserData = NULL); 124 125 private: 126 CFX_ByteString GetNextFile(); 127 CFX_WideString m_wsNext; 128 CFX_ObjectArray<FX_HandleParentPath> m_FolderQueue; 129 CFX_ByteStringArray m_FolderPaths; 130 }; 131 typedef CFX_MapPtrTemplate<FX_DWORD, IFX_FileAccess*> CFX_HashFileMap; 132 typedef CFX_MapPtrTemplate<FX_DWORD, IFX_Font*> CFX_HashFontMap; 133 typedef CFX_MapPtrTemplate<FX_DWORD, CFX_FontDescriptorInfos*> 134 CFX_HashFontDescsMap; 135 typedef CFX_MapPtrTemplate<FX_DWORD, CFX_ArrayTemplate<IFX_Font*>*> 136 CFX_HashFontsMap; 137 typedef CFX_MapPtrTemplate<FX_WCHAR, IFX_Font*> CFX_UnicodeFontMap; 138 typedef CFX_MapPtrTemplate<IFX_FileAccess*, CFX_ArrayTemplate<IFX_Font*>*> 139 CFX_FileFontMap; 140 typedef CFX_MapPtrTemplate<IFX_Font*, IFX_FileRead*> CFX_FonStreamtMap; 141 class CFX_FontMgrImp : public IFX_FontMgr { 142 public: 143 CFX_FontMgrImp(IFX_FontSourceEnum* pFontEnum, 144 IFX_FontMgrDelegate* pDelegate = NULL, 145 void* pUserData = NULL); 146 virtual void Release(); 147 virtual IFX_Font* GetDefFontByCodePage(FX_WORD wCodePage, 148 FX_DWORD dwFontStyles, 149 const FX_WCHAR* pszFontFamily = NULL); 150 virtual IFX_Font* GetDefFontByCharset(uint8_t nCharset, 151 FX_DWORD dwFontStyles, 152 const FX_WCHAR* pszFontFamily = NULL); 153 virtual IFX_Font* GetDefFontByUnicode(FX_WCHAR wUnicode, 154 FX_DWORD dwFontStyles, 155 const FX_WCHAR* pszFontFamily = NULL); 156 virtual IFX_Font* GetDefFontByLanguage(FX_WORD wLanguage, 157 FX_DWORD dwFontStyles, 158 const FX_WCHAR* pszFontFamily = NULL); 159 virtual IFX_Font* GetFontByCodePage(FX_WORD wCodePage, 160 FX_DWORD dwFontStyles, 161 const FX_WCHAR* pszFontFamily = NULL); 162 virtual IFX_Font* GetFontByCharset(uint8_t nCharset, 163 FX_DWORD dwFontStyles, 164 const FX_WCHAR* pszFontFamily = NULL); 165 virtual IFX_Font* GetFontByUnicode(FX_WCHAR wUnicode, 166 FX_DWORD dwFontStyles, 167 const FX_WCHAR* pszFontFamily = NULL); 168 virtual IFX_Font* GetFontByLanguage(FX_WORD wLanguage, 169 FX_DWORD dwFontStyles, 170 const FX_WCHAR* pszFontFamily = NULL); 171 virtual IFX_Font* LoadFont(const uint8_t* pBuffer, 172 int32_t iLength, 173 int32_t iFaceIndex, 174 int32_t* pFaceCount); 175 virtual IFX_Font* LoadFont(const FX_WCHAR* pszFileName, 176 int32_t iFaceIndex, 177 int32_t* pFaceCount); 178 virtual IFX_Font* LoadFont(IFX_Stream* pFontStream, 179 int32_t iFaceIndex, 180 int32_t* pFaceCount, 181 FX_BOOL bSaveStream = FALSE); 182 virtual void ClearFontCache(); 183 virtual void RemoveFont(IFX_Font* pFont); 184 FX_BOOL EnumFonts(); 185 186 protected: 187 void ReportFace(FXFT_Face pFace, 188 CFX_FontDescriptors& Fonts, 189 IFX_FileAccess* pFontAccess); 190 void GetNames(const uint8_t* name_table, CFX_WideStringArray& Names); 191 void GetCharsets(FXFT_Face pFace, CFX_WordArray& Charsets); 192 void GetUSBCSB(FXFT_Face pFace, FX_DWORD* USB, FX_DWORD* CSB); 193 FX_DWORD GetFlags(FXFT_Face pFace); 194 CFX_FontDescriptors m_InstalledFonts; 195 FX_BOOL VerifyUnicode(CFX_FontDescriptor* pDesc, FX_WCHAR wcUnicode); 196 FX_BOOL VerifyUnicode(IFX_Font* pFont, FX_WCHAR wcUnicode); 197 void NormalizeFontName(CFX_WideString& FontName); 198 int32_t IsPartName(const CFX_WideString& Name1, const CFX_WideString& Name2); 199 int32_t MatchFonts(CFX_FontDescriptorInfos& MatchedFonts, 200 FX_WORD wCodePage, 201 FX_DWORD dwFontStyles, 202 const CFX_WideString& FontName, 203 FX_WCHAR wcUnicode = 0xFFFE); 204 int32_t CalcPenalty(CFX_FontDescriptor* pInstalled, 205 FX_WORD wCodePage, 206 FX_DWORD dwFontStyles, 207 const CFX_WideString& FontName, 208 FX_WCHAR wcUnicode = 0xFFFE); 209 IFX_Font* LoadFont(IFX_FileAccess* pFontAccess, 210 int32_t iFaceIndex, 211 int32_t* pFaceCount, 212 FX_BOOL bWantCache = FALSE); 213 FXFT_Face LoadFace(IFX_FileRead* pFontStream, int32_t iFaceIndex); 214 CFX_HashFontDescsMap m_Hash2CandidateList; 215 CFX_HashFontsMap m_Hash2Fonts; 216 CFX_HashFileMap m_Hash2FileAccess; 217 CFX_HashFontMap m_FileAccess2IFXFont; 218 CFX_FonStreamtMap m_IFXFont2FileRead; 219 CFX_UnicodeFontMap m_FailedUnicodes2NULL; 220 IFX_FontSourceEnum* m_pFontSource; 221 IFX_FontMgrDelegate* m_pDelegate; 222 void* m_pUserData; 223 }; 224 #endif 225 #endif 226