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// Copyright 2014 The PDFium Authors
// 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_codepage_forward.h"
#include "core/fxcrt/retain_ptr.h"
#include "core/fxcrt/widestring.h"
#include "core/fxge/cfx_face.h"
#include "core/fxge/freetype/fx_freetype.h"
class CFGAS_GEFont;
class IFX_SeekableReadStream;
#if BUILDFLAG(IS_WIN)
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;
FX_Charset 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 // BUILDFLAG(IS_WIN)
class CFGAS_FontDescriptor {
public:
CFGAS_FontDescriptor();
~CFGAS_FontDescriptor();
int32_t m_nFaceIndex = 0;
uint32_t m_dwFontStyles = 0;
WideString m_wsFaceName;
std::vector<WideString> m_wsFamilyNames;
uint32_t m_dwUsb[4] = {};
uint32_t m_dwCsb[2] = {};
};
class CFGAS_FontDescriptorInfo {
public:
CFGAS_FontDescriptor* pFont;
int32_t nPenalty;
bool operator>(const CFGAS_FontDescriptorInfo& other) const {
return nPenalty > other.nPenalty;
}
bool operator<(const CFGAS_FontDescriptorInfo& other) const {
return nPenalty < other.nPenalty;
}
bool operator==(const CFGAS_FontDescriptorInfo& other) const {
return nPenalty == other.nPenalty;
}
};
#endif // BUILDFLAG(IS_WIN)
class CFGAS_FontMgr {
public:
CFGAS_FontMgr();
~CFGAS_FontMgr();
bool EnumFonts();
RetainPtr<CFGAS_GEFont> GetFontByCodePage(FX_CodePage 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,
FX_CodePage wCodePage);
private:
RetainPtr<CFGAS_GEFont> GetFontByUnicodeImpl(wchar_t wUnicode,
uint32_t dwFontStyles,
const wchar_t* pszFontFamily,
uint32_t dwHash,
FX_CodePage wCodePage,
uint16_t wBitField);
#if BUILDFLAG(IS_WIN)
const FX_FONTDESCRIPTOR* FindFont(const wchar_t* pszFontFamily,
uint32_t dwFontStyles,
bool matchParagraphStyle,
FX_CodePage wCodePage,
uint32_t dwUSB,
wchar_t wUnicode);
#else // BUILDFLAG(IS_WIN)
bool EnumFontsFromFontMapper();
void RegisterFace(RetainPtr<CFX_Face> pFace, const WideString& wsFaceName);
void RegisterFaces(const RetainPtr<IFX_SeekableReadStream>& pFontStream,
const WideString& wsFaceName);
std::vector<CFGAS_FontDescriptorInfo> MatchFonts(FX_CodePage wCodePage,
uint32_t dwFontStyles,
const WideString& FontName,
wchar_t wcUnicode);
RetainPtr<CFGAS_GEFont> LoadFontInternal(const WideString& wsFaceName,
int32_t iFaceIndex);
#endif // BUILDFLAG(IS_WIN)
std::map<uint32_t, std::vector<RetainPtr<CFGAS_GEFont>>> m_Hash2Fonts;
std::set<wchar_t> m_FailedUnicodesSet;
#if BUILDFLAG(IS_WIN)
std::deque<FX_FONTDESCRIPTOR> m_FontFaces;
#else
std::vector<std::unique_ptr<CFGAS_FontDescriptor>> m_InstalledFonts;
std::map<uint32_t, std::vector<CFGAS_FontDescriptorInfo>>
m_Hash2CandidateList;
#endif // BUILDFLAG(IS_WIN)
};
#endif // XFA_FGAS_FONT_CFGAS_FONTMGR_H_