145 lines
4.8 KiB
C++
145 lines
4.8 KiB
C++
// Copyright 2014 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef XFA_FGAS_FONT_CFGAS_FONTMGR_H_
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#define XFA_FGAS_FONT_CFGAS_FONTMGR_H_
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#include <deque>
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#include <map>
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#include <memory>
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#include <set>
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#include <vector>
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#include "build/build_config.h"
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#include "core/fxcrt/fx_codepage_forward.h"
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#include "core/fxcrt/retain_ptr.h"
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#include "core/fxcrt/widestring.h"
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#include "core/fxge/cfx_face.h"
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#include "core/fxge/freetype/fx_freetype.h"
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class CFGAS_GEFont;
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class IFX_SeekableReadStream;
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#if BUILDFLAG(IS_WIN)
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struct FX_FONTSIGNATURE {
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uint32_t fsUsb[4];
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uint32_t fsCsb[2];
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};
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inline bool operator==(const FX_FONTSIGNATURE& left,
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const FX_FONTSIGNATURE& right) {
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return left.fsUsb[0] == right.fsUsb[0] && left.fsUsb[1] == right.fsUsb[1] &&
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left.fsUsb[2] == right.fsUsb[2] && left.fsUsb[3] == right.fsUsb[3] &&
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left.fsCsb[0] == right.fsCsb[0] && left.fsCsb[1] == right.fsCsb[1];
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}
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struct FX_FONTDESCRIPTOR {
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wchar_t wsFontFace[32];
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uint32_t dwFontStyles;
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FX_Charset uCharSet;
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FX_FONTSIGNATURE FontSignature;
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};
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inline bool operator==(const FX_FONTDESCRIPTOR& left,
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const FX_FONTDESCRIPTOR& right) {
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return left.uCharSet == right.uCharSet &&
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left.dwFontStyles == right.dwFontStyles &&
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left.FontSignature == right.FontSignature &&
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wcscmp(left.wsFontFace, right.wsFontFace) == 0;
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}
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#else // BUILDFLAG(IS_WIN)
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class CFGAS_FontDescriptor {
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public:
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CFGAS_FontDescriptor();
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~CFGAS_FontDescriptor();
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int32_t m_nFaceIndex = 0;
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uint32_t m_dwFontStyles = 0;
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WideString m_wsFaceName;
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std::vector<WideString> m_wsFamilyNames;
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uint32_t m_dwUsb[4] = {};
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uint32_t m_dwCsb[2] = {};
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};
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class CFGAS_FontDescriptorInfo {
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public:
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CFGAS_FontDescriptor* pFont;
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int32_t nPenalty;
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bool operator>(const CFGAS_FontDescriptorInfo& other) const {
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return nPenalty > other.nPenalty;
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}
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bool operator<(const CFGAS_FontDescriptorInfo& other) const {
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return nPenalty < other.nPenalty;
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}
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bool operator==(const CFGAS_FontDescriptorInfo& other) const {
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return nPenalty == other.nPenalty;
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}
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};
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#endif // BUILDFLAG(IS_WIN)
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class CFGAS_FontMgr {
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public:
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CFGAS_FontMgr();
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~CFGAS_FontMgr();
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bool EnumFonts();
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RetainPtr<CFGAS_GEFont> GetFontByCodePage(FX_CodePage wCodePage,
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uint32_t dwFontStyles,
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const wchar_t* pszFontFamily);
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RetainPtr<CFGAS_GEFont> GetFontByUnicode(wchar_t wUnicode,
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uint32_t dwFontStyles,
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const wchar_t* pszFontFamily);
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RetainPtr<CFGAS_GEFont> LoadFont(const wchar_t* pszFontFamily,
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uint32_t dwFontStyles,
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FX_CodePage wCodePage);
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private:
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RetainPtr<CFGAS_GEFont> GetFontByUnicodeImpl(wchar_t wUnicode,
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uint32_t dwFontStyles,
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const wchar_t* pszFontFamily,
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uint32_t dwHash,
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FX_CodePage wCodePage,
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uint16_t wBitField);
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#if BUILDFLAG(IS_WIN)
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const FX_FONTDESCRIPTOR* FindFont(const wchar_t* pszFontFamily,
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uint32_t dwFontStyles,
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bool matchParagraphStyle,
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FX_CodePage wCodePage,
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uint32_t dwUSB,
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wchar_t wUnicode);
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#else // BUILDFLAG(IS_WIN)
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bool EnumFontsFromFontMapper();
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void RegisterFace(RetainPtr<CFX_Face> pFace, const WideString& wsFaceName);
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void RegisterFaces(const RetainPtr<IFX_SeekableReadStream>& pFontStream,
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const WideString& wsFaceName);
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std::vector<CFGAS_FontDescriptorInfo> MatchFonts(FX_CodePage wCodePage,
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uint32_t dwFontStyles,
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const WideString& FontName,
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wchar_t wcUnicode);
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RetainPtr<CFGAS_GEFont> LoadFontInternal(const WideString& wsFaceName,
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int32_t iFaceIndex);
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#endif // BUILDFLAG(IS_WIN)
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std::map<uint32_t, std::vector<RetainPtr<CFGAS_GEFont>>> m_Hash2Fonts;
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std::set<wchar_t> m_FailedUnicodesSet;
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#if BUILDFLAG(IS_WIN)
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std::deque<FX_FONTDESCRIPTOR> m_FontFaces;
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#else
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std::vector<std::unique_ptr<CFGAS_FontDescriptor>> m_InstalledFonts;
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std::map<uint32_t, std::vector<CFGAS_FontDescriptorInfo>>
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m_Hash2CandidateList;
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#endif // BUILDFLAG(IS_WIN)
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};
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#endif // XFA_FGAS_FONT_CFGAS_FONTMGR_H_
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