| // 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 "build/build_config.h" |
| #include "core/fxcrt/fx_extension.h" |
| #include "core/fxcrt/fx_string.h" |
| #include "core/fxcrt/observed_ptr.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "core/fxge/cfx_face.h" |
| #include "core/fxge/fx_freetype.h" |
| |
| class CFGAS_FontSourceEnumFile; |
| class CFGAS_GEFont; |
| class CFX_FontMapper; |
| class IFX_SeekableReadStream; |
| |
| #if defined(OS_WIN) |
| struct FX_FONTMATCHPARAMS { |
| const wchar_t* pwsFamily; |
| uint32_t dwFontStyles; |
| uint32_t dwUSB; |
| bool matchParagraphStyle; |
| 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 && |
| wcscmp(left.wsFontFace, right.wsFontFace) == 0; |
| } |
| |
| #else // defined(OS_WIN) |
| |
| class CFX_FontDescriptor { |
| public: |
| CFX_FontDescriptor(); |
| ~CFX_FontDescriptor(); |
| |
| int32_t m_nFaceIndex; |
| uint32_t m_dwFontStyles; |
| WideString m_wsFaceName; |
| std::vector<WideString> m_wsFamilyNames; |
| 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; |
| } |
| }; |
| |
| #endif // defined(OS_WIN) |
| |
| class CFGAS_FontMgr final : public Observable { |
| public: |
| CFGAS_FontMgr(); |
| ~CFGAS_FontMgr(); |
| |
| RetainPtr<CFGAS_GEFont> GetFontByCodePage(uint16_t wCodePage, |
| uint32_t dwFontStyles, |
| const wchar_t* pszFontFamily); |
| RetainPtr<CFGAS_GEFont> GetFontByUnicode(wchar_t wUnicode, |
| uint32_t dwFontStyles, |
| const wchar_t* pszFontFamily); |
| RetainPtr<CFGAS_GEFont> LoadFont(const wchar_t* pszFontFamily, |
| uint32_t dwFontStyles, |
| uint16_t wCodePage); |
| void RemoveFont(const RetainPtr<CFGAS_GEFont>& pFont); |
| |
| bool EnumFonts(); |
| |
| private: |
| RetainPtr<CFGAS_GEFont> GetFontByUnicodeImpl(wchar_t wUnicode, |
| uint32_t dwFontStyles, |
| const wchar_t* pszFontFamily, |
| uint32_t dwHash, |
| uint16_t wCodePage, |
| uint16_t wBitField); |
| |
| #if defined(OS_WIN) |
| const FX_FONTDESCRIPTOR* FindFont(const wchar_t* pszFontFamily, |
| uint32_t dwFontStyles, |
| bool matchParagraphStyle, |
| uint16_t wCodePage, |
| uint32_t dwUSB, |
| wchar_t wUnicode); |
| |
| #else // defined(OS_WIN) |
| bool EnumFontsFromFontMapper(); |
| bool EnumFontsFromFiles(); |
| void RegisterFace(RetainPtr<CFX_Face> pFace, const WideString* pFaceName); |
| void RegisterFaces(const RetainPtr<IFX_SeekableReadStream>& pFontStream, |
| const WideString* pFaceName); |
| void MatchFonts(std::vector<CFX_FontDescriptorInfo>* MatchedFonts, |
| uint16_t wCodePage, |
| uint32_t dwFontStyles, |
| const WideString& FontName, |
| wchar_t wcUnicode); |
| RetainPtr<CFGAS_GEFont> LoadFontInternal(const WideString& wsFaceName, |
| int32_t iFaceIndex); |
| #endif // defined(OS_WIN) |
| |
| std::map<uint32_t, std::vector<RetainPtr<CFGAS_GEFont>>> m_Hash2Fonts; |
| std::set<wchar_t> m_FailedUnicodesSet; |
| |
| #if defined(OS_WIN) |
| std::deque<FX_FONTDESCRIPTOR> m_FontFaces; |
| #else |
| std::unique_ptr<CFGAS_FontSourceEnumFile> 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<RetainPtr<CFGAS_GEFont>, RetainPtr<IFX_SeekableReadStream>> |
| m_IFXFont2FileRead; |
| #endif // defined(OS_WIN) |
| }; |
| |
| #endif // XFA_FGAS_FONT_CFGAS_FONTMGR_H_ |