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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 <vector>
#include "core/fxcrt/fx_ext.h"
#include "core/fxge/cfx_fontmapper.h"
#include "core/fxge/fx_freetype.h"
#include "core/fxge/ifx_systemfontinfo.h"
#include "third_party/freetype/include/freetype/fttypes.h"
#include "xfa/fgas/crt/fgas_stream.h"
#include "xfa/fgas/font/cfgas_fontmgr.h"
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
#include "xfa/fgas/crt/fgas_memory.h"
#include "xfa/fgas/crt/fgas_utils.h"
#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
#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;
class CXFA_PDFFontMgr;
class CFGAS_FontMgr;
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
#define FX_FONTMATCHPARA_MatchStyle 0x01
struct FX_FONTMATCHPARAMS {
const FX_WCHAR* pwsFamily;
uint32_t dwFontStyles;
uint32_t dwUSB;
uint32_t dwMatchFlags;
FX_WCHAR wUnicode;
uint16_t wCodePage;
};
typedef FX_FONTMATCHPARAMS* FX_LPFONTMATCHPARAMS;
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 {
FX_WCHAR wsFontFace[32];
uint32_t dwFontStyles;
uint8_t uCharSet;
FX_FONTSIGNATURE FontSignature;
};
typedef CFX_MassArrayTemplate<FX_FONTDESCRIPTOR> CFX_FontDescriptors;
inline bool operator==(const FX_FONTDESCRIPTOR& left,
const FX_FONTDESCRIPTOR& right) {
return left.uCharSet == right.uCharSet &&
left.dwFontStyles == right.dwFontStyles &&
left.FontSignature == right.FontSignature &&
FXSYS_wcscmp(left.wsFontFace, right.wsFontFace) == 0;
}
typedef void (*FX_LPEnumAllFonts)(CFX_FontDescriptors& fonts,
const FX_WCHAR* pwsFaceName,
FX_WCHAR wUnicode);
FX_LPEnumAllFonts FX_GetDefFontEnumerator();
class CFGAS_FontMgr {
public:
explicit CFGAS_FontMgr(FX_LPEnumAllFonts pEnumerator);
~CFGAS_FontMgr();
static std::unique_ptr<CFGAS_FontMgr> Create(FX_LPEnumAllFonts pEnumerator);
CFGAS_GEFont* GetDefFontByCodePage(uint16_t wCodePage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily = nullptr);
CFGAS_GEFont* GetDefFontByUnicode(FX_WCHAR wUnicode,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily = nullptr);
CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily,
uint32_t dwFontStyles,
uint16_t wCodePage = 0xFFFF);
CFGAS_GEFont* LoadFont(const uint8_t* pBuffer, int32_t iLength);
CFGAS_GEFont* LoadFont(IFX_Stream* pFontStream,
const FX_WCHAR* pszFontAlias = nullptr,
uint32_t dwFontStyles = 0,
uint16_t wCodePage = 0,
bool bSaveStream = false);
CFGAS_GEFont* LoadFont(CFGAS_GEFont* pSrcFont,
uint32_t dwFontStyles,
uint16_t wCodePage = 0xFFFF);
// TODO(npm): This method is not being used, but probably should be in
// destructor
void ClearFontCache();
void RemoveFont(CFGAS_GEFont* pFont);
private:
void RemoveFont(CFX_MapPtrToPtr& fontMap, CFGAS_GEFont* pFont);
FX_FONTDESCRIPTOR const* FindFont(const FX_WCHAR* pszFontFamily,
uint32_t dwFontStyles,
uint32_t dwMatchFlags,
uint16_t wCodePage,
uint32_t dwUSB = 999,
FX_WCHAR wUnicode = 0);
FX_LPEnumAllFonts m_pEnumerator;
CFX_FontDescriptors m_FontFaces;
CFX_ArrayTemplate<CFGAS_GEFont*> m_Fonts;
CFX_MapPtrToPtr m_CPFonts;
CFX_MapPtrToPtr m_FamilyFonts;
CFX_MapPtrToPtr m_UnicodeFonts;
CFX_MapPtrToPtr m_BufferFonts;
CFX_MapPtrToPtr m_StreamFonts;
CFX_MapPtrToPtr m_DeriveFonts;
};
#else // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
class CFX_FontDescriptor {
public:
CFX_FontDescriptor();
~CFX_FontDescriptor();
int32_t m_nFaceIndex;
CFX_WideString m_wsFaceName;
CFX_WideStringArray m_wsFamilyNames;
uint32_t m_dwFontStyles;
uint32_t m_dwUsb[4];
uint32_t m_dwCsb[2];
};
typedef CFX_ArrayTemplate<CFX_FontDescriptor*> CFX_FontDescriptors;
struct FX_FontDescriptorInfo {
public:
CFX_FontDescriptor* pFont;
int32_t nPenalty;
bool operator>(const FX_FontDescriptorInfo& other) const {
return nPenalty > other.nPenalty;
}
bool operator<(const FX_FontDescriptorInfo& other) const {
return nPenalty < other.nPenalty;
}
bool operator==(const FX_FontDescriptorInfo& other) const {
return nPenalty == other.nPenalty;
}
};
typedef CFX_ArrayTemplate<FX_FontDescriptorInfo> CFX_FontDescriptorInfos;
struct FX_HandleParentPath {
FX_HandleParentPath() {}
FX_HandleParentPath(const FX_HandleParentPath& x) {
pFileHandle = x.pFileHandle;
bsParentPath = x.bsParentPath;
}
FX_FileHandle* pFileHandle;
CFX_ByteString bsParentPath;
};
class CFX_FontSourceEnum_File {
public:
CFX_FontSourceEnum_File();
~CFX_FontSourceEnum_File();
FX_POSITION GetStartPosition();
IFX_FileAccess* GetNext(FX_POSITION& pos);
private:
CFX_ByteString GetNextFile();
CFX_WideString m_wsNext;
CFX_ObjectArray<FX_HandleParentPath> m_FolderQueue;
CFX_ByteStringArray m_FolderPaths;
};
class CFGAS_FontMgr {
public:
explicit CFGAS_FontMgr(CFX_FontSourceEnum_File* pFontEnum);
~CFGAS_FontMgr();
static std::unique_ptr<CFGAS_FontMgr> Create(
CFX_FontSourceEnum_File* pFontEnum);
CFGAS_GEFont* GetFontByCodePage(uint16_t wCodePage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily);
CFGAS_GEFont* GetFontByUnicode(FX_WCHAR wUnicode,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily);
void ClearFontCache();
void RemoveFont(CFGAS_GEFont* pFont);
CFGAS_GEFont* LoadFont(const CFX_WideString& wsFaceName,
int32_t iFaceIndex,
int32_t* pFaceCount);
inline CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily,
uint32_t dwFontStyles,
uint16_t wCodePage) {
return GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily);
}
bool EnumFonts();
bool EnumFontsFromFontMapper();
bool EnumFontsFromFiles();
private:
void RegisterFace(FXFT_Face pFace, const CFX_WideString* pFaceName);
void RegisterFaces(IFX_SeekableReadStream* pFontStream,
const CFX_WideString* pFaceName);
void GetNames(const uint8_t* name_table, CFX_WideStringArray& 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, FX_WCHAR wcUnicode);
bool VerifyUnicode(CFGAS_GEFont* pFont, FX_WCHAR wcUnicode);
int32_t IsPartName(const CFX_WideString& Name1, const CFX_WideString& Name2);
int32_t MatchFonts(CFX_FontDescriptorInfos& MatchedFonts,
uint16_t wCodePage,
uint32_t dwFontStyles,
const CFX_WideString& FontName,
FX_WCHAR wcUnicode = 0xFFFE);
int32_t CalcPenalty(CFX_FontDescriptor* pInstalled,
uint16_t wCodePage,
uint32_t dwFontStyles,
const CFX_WideString& FontName,
FX_WCHAR wcUnicode = 0xFFFE);
FXFT_Face LoadFace(IFX_SeekableReadStream* pFontStream, int32_t iFaceIndex);
IFX_SeekableReadStream* CreateFontStream(CFX_FontMapper* pFontMapper,
IFX_SystemFontInfo* pSystemFontInfo,
uint32_t index);
IFX_SeekableReadStream* CreateFontStream(const CFX_ByteString& bsFaceName);
CFX_FontDescriptors m_InstalledFonts;
CFX_MapPtrTemplate<uint32_t, CFX_FontDescriptorInfos*> m_Hash2CandidateList;
CFX_MapPtrTemplate<uint32_t, CFX_ArrayTemplate<CFGAS_GEFont*>*> m_Hash2Fonts;
CFX_MapPtrTemplate<CFGAS_GEFont*, IFX_SeekableReadStream*> m_IFXFont2FileRead;
CFX_MapPtrTemplate<FX_WCHAR, CFGAS_GEFont*> m_FailedUnicodes2Nullptr;
CFX_FontSourceEnum_File* const m_pFontSource;
};
#endif
#endif // XFA_FGAS_FONT_CFGAS_FONTMGR_H_
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