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// 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_crtfileaccess.h"
#include "core/fxcrt/cfx_retain_ptr.h"
#include "core/fxcrt/cfx_seekablestreamproxy.h"
#include "core/fxcrt/fx_extension.h"
#include "core/fxcrt/observable.h"
#include "core/fxge/cfx_fontmapper.h"
#include "core/fxge/fx_freetype.h"
#include "core/fxge/ifx_systemfontinfo.h"
#include "xfa/fgas/font/cfgas_pdffontmgr.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 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 &&
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 Observable<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;
WideString m_wsFaceName;
std::vector<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;
ByteString bsParentPath;
};
class CFX_FontSourceEnum_File {
public:
CFX_FontSourceEnum_File();
~CFX_FontSourceEnum_File();
bool HasStartPosition();
CFX_RetainPtr<CFX_CRTFileAccess> GetNext();
private:
ByteString GetNextFile();
WideString m_wsNext;
std::vector<FX_HandleParentPath> m_FolderQueue;
std::vector<ByteString> m_FolderPaths;
};
class CFGAS_FontMgr : public Observable<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 WideString* pFaceName);
void RegisterFaces(const CFX_RetainPtr<IFX_SeekableReadStream>& pFontStream,
const WideString* pFaceName);
void GetNames(const uint8_t* name_table, std::vector<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 WideString& Name1, const WideString& Name2);
void MatchFonts(std::vector<CFX_FontDescriptorInfo>* MatchedFonts,
uint16_t wCodePage,
uint32_t dwFontStyles,
const WideString& FontName,
wchar_t wcUnicode = 0xFFFE);
int32_t CalcPenalty(CFX_FontDescriptor* pInstalled,
uint16_t wCodePage,
uint32_t dwFontStyles,
const WideString& FontName,
wchar_t wcUnicode = 0xFFFE);
CFX_RetainPtr<CFGAS_GEFont> LoadFont(const 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 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_
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