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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_FGAS_FONT_H_
#define XFA_FGAS_FONT_FGAS_FONT_H_
#include "core/fxge/include/fx_font.h"
#include "xfa/fgas/crt/fgas_stream.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_
class CFX_FontSourceEnum_File;
class CFGAS_GEFont;
class CXFA_PDFFontMgr;
class IFGAS_FontMgr;
#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
#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
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;
typedef FX_FONTMATCHPARAMS const* FX_LPCFONTMATCHPARAMS;
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;
}
#define FX_FONTMATCHPARA_MacthStyle 0x01
#define FX_FONTMATCHPARA_MacthFamily 0x02
#define FX_FONTMATCHPARA_MacthUnicode 0x04
typedef void (*FX_LPEnumAllFonts)(CFX_FontDescriptors& fonts,
const FX_WCHAR* pwsFaceName,
FX_WCHAR wUnicode);
FX_LPEnumAllFonts FX_GetDefFontEnumerator();
typedef FX_FONTDESCRIPTOR const* (*FX_LPMatchFont)(
FX_LPFONTMATCHPARAMS pParams,
const CFX_FontDescriptors& fonts);
FX_LPMatchFont FX_GetDefFontMatchor();
class IFGAS_FontMgr {
public:
virtual ~IFGAS_FontMgr() {}
static std::unique_ptr<IFGAS_FontMgr> Create(FX_LPEnumAllFonts pEnumerator);
virtual CFGAS_GEFont* GetDefFontByCodePage(
uint16_t wCodePage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily = nullptr) = 0;
virtual CFGAS_GEFont* GetDefFontByCharset(
uint8_t nCharset,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily = nullptr) = 0;
virtual CFGAS_GEFont* GetDefFontByUnicode(
FX_WCHAR wUnicode,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily = nullptr) = 0;
virtual CFGAS_GEFont* GetDefFontByLanguage(
uint16_t wLanguage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily = nullptr) = 0;
virtual CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily,
uint32_t dwFontStyles,
uint16_t wCodePage = 0xFFFF) = 0;
virtual CFGAS_GEFont* LoadFont(const uint8_t* pBuffer, int32_t iLength) = 0;
virtual CFGAS_GEFont* LoadFont(IFX_Stream* pFontStream,
const FX_WCHAR* pszFontAlias = nullptr,
uint32_t dwFontStyles = 0,
uint16_t wCodePage = 0,
FX_BOOL bSaveStream = FALSE) = 0;
virtual CFGAS_GEFont* LoadFont(CFGAS_GEFont* pSrcFont,
uint32_t dwFontStyles,
uint16_t wCodePage = 0xFFFF) = 0;
virtual void ClearFontCache() = 0;
virtual void RemoveFont(CFGAS_GEFont* pFont) = 0;
};
#else // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
class IFGAS_FontMgr {
public:
virtual ~IFGAS_FontMgr() {}
static std::unique_ptr<IFGAS_FontMgr> Create(
CFX_FontSourceEnum_File* pFontEnum);
virtual CFGAS_GEFont* GetDefFontByCodePage(uint16_t wCodePage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) = 0;
virtual CFGAS_GEFont* GetDefFontByCharset(uint8_t nCharset,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) = 0;
virtual CFGAS_GEFont* GetDefFontByUnicode(FX_WCHAR wUnicode,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) = 0;
virtual CFGAS_GEFont* GetDefFontByLanguage(uint16_t wLanguage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) = 0;
virtual CFGAS_GEFont* GetFontByCodePage(uint16_t wCodePage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) = 0;
inline CFGAS_GEFont* LoadFont(const FX_WCHAR* pszFontFamily,
uint32_t dwFontStyles,
uint16_t wCodePage) {
return GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily);
}
virtual CFGAS_GEFont* GetFontByCharset(uint8_t nCharset,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) = 0;
virtual CFGAS_GEFont* GetFontByUnicode(FX_WCHAR wUnicode,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) = 0;
virtual CFGAS_GEFont* GetFontByLanguage(uint16_t wLanguage,
uint32_t dwFontStyles,
const FX_WCHAR* pszFontFamily) = 0;
virtual void ClearFontCache() = 0;
virtual void RemoveFont(CFGAS_GEFont* pFont) = 0;
};
#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
#endif // XFA_FGAS_FONT_FGAS_FONT_H_
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