// 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 CXFA_PDFFontMgr; class IFX_Font; class IFX_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 #define FX_FONTDECORATION_Underline 0x00000001 #define FX_FONTDECORATION_Strikeout 0x00000002 #define FX_FONTDECORATION_Overline 0x00000004 #define FX_FONTDECORATION_Emphasis 0x00000008 #define FX_FONTDECORATION_Superscript 0x00000010 #define FX_FONTDECORATION_Subscript 0x00000020 #define FX_FONTDECORATION_SmallCapital 0x00000040 #define FX_FONTDECORATION_Capital 0x00000080 #define FX_FONTDECORATION_Lowercase 0x000000C0 #define FX_FONTDECORATION_Raised 0x00000100 #define FX_FONTDECORATION_Sunken 0x00000200 #define FX_FONTDECORATION_Shadow 0x00000400 #define FX_FONTDECORATION_BoundingShape 0x20000000 #define FX_FONTDECORATION_Hide 0x40000000 #define FX_FONTDECORATION_StrokeFill 0x80000000 #define FX_BOUNDINGSHAPE_None 0 #define FX_BOUNDINGSHAPE_Circle 1 #define FX_BOUNDINGSHAPE_Square 2 #define FX_BOUNDINGSHAPE_Triangle 3 #define FX_BOUNDINGSHAPE_Diamond 4 class IFX_Font { public: static IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily, uint32_t dwFontStyles, uint16_t wCodePage, IFX_FontMgr* pFontMgr); static IFX_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength, IFX_FontMgr* pFontMgr); static IFX_Font* LoadFont(const FX_WCHAR* pszFileName, IFX_FontMgr* pFontMgr); static IFX_Font* LoadFont(IFX_Stream* pFontStream, IFX_FontMgr* pFontMgr, FX_BOOL bSaveStream = FALSE); static IFX_Font* LoadFont(CFX_Font* pExtFont, IFX_FontMgr* pFontMgr, FX_BOOL bTakeOver = FALSE); virtual ~IFX_Font() {} virtual void Release() = 0; virtual IFX_Font* Retain() = 0; virtual IFX_Font* Derive(uint32_t dwFontStyles, uint16_t wCodePage = 0) = 0; virtual void GetFamilyName(CFX_WideString& wsFamily) const = 0; virtual uint32_t GetFontStyles() const = 0; virtual uint8_t GetCharSet() const = 0; virtual FX_BOOL GetCharWidth(FX_WCHAR wUnicode, int32_t& iWidth, FX_BOOL bCharCode = FALSE) = 0; virtual int32_t GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode = FALSE) = 0; virtual int32_t GetAscent() const = 0; virtual int32_t GetDescent() const = 0; virtual FX_BOOL GetCharBBox(FX_WCHAR wUnicode, CFX_Rect& bbox, FX_BOOL bCharCode = FALSE) = 0; virtual FX_BOOL GetBBox(CFX_Rect& bbox) = 0; virtual int32_t GetItalicAngle() const = 0; virtual void Reset() = 0; virtual IFX_Font* GetSubstFont(int32_t iGlyphIndex) const = 0; virtual void* GetDevFont() const = 0; virtual void SetFontProvider(CXFA_PDFFontMgr* pProvider) = 0; #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ virtual void SetLogicalFontStyle(uint32_t dwLogFontStyle) = 0; #endif }; #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 IFX_FontMgr { public: static IFX_FontMgr* Create(FX_LPEnumAllFonts pEnumerator); virtual ~IFX_FontMgr() {} virtual void Release() = 0; virtual IFX_Font* GetDefFontByCodePage( uint16_t wCodePage, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* GetDefFontByCharset( uint8_t nCharset, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* GetDefFontByUnicode( FX_WCHAR wUnicode, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* GetDefFontByLanguage( uint16_t wLanguage, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily, uint32_t dwFontStyles, uint16_t wCodePage = 0xFFFF) = 0; virtual IFX_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength) = 0; virtual IFX_Font* LoadFont(const FX_WCHAR* pszFileName) = 0; virtual IFX_Font* LoadFont(IFX_Stream* pFontStream, const FX_WCHAR* pszFontAlias = NULL, uint32_t dwFontStyles = 0, uint16_t wCodePage = 0, FX_BOOL bSaveStream = FALSE) = 0; virtual IFX_Font* LoadFont(IFX_Font* pSrcFont, uint32_t dwFontStyles, uint16_t wCodePage = 0xFFFF) = 0; virtual void ClearFontCache() = 0; virtual void RemoveFont(IFX_Font* pFont) = 0; }; #else // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ class IFX_FontMgr { public: static IFX_FontMgr* Create(CFX_FontSourceEnum_File* pFontEnum); virtual ~IFX_FontMgr() {} virtual void Release() = 0; virtual IFX_Font* GetDefFontByCodePage( uint16_t wCodePage, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* GetDefFontByCharset( uint8_t nCharset, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* GetDefFontByUnicode( FX_WCHAR wUnicode, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* GetDefFontByLanguage( uint16_t wLanguage, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* GetFontByCodePage(uint16_t wCodePage, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; inline IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily, uint32_t dwFontStyles, uint16_t wCodePage) { return GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily); } virtual IFX_Font* GetFontByCharset(uint8_t nCharset, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* GetFontByUnicode(FX_WCHAR wUnicode, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* GetFontByLanguage(uint16_t wLanguage, uint32_t dwFontStyles, const FX_WCHAR* pszFontFamily = NULL) = 0; virtual IFX_Font* LoadFont(const uint8_t* pBuffer, int32_t iLength, int32_t iFaceIndex, int32_t* pFaceCount = NULL) = 0; virtual IFX_Font* LoadFont(const FX_WCHAR* pszFileName, int32_t iFaceIndex, int32_t* pFaceCount = NULL) = 0; virtual IFX_Font* LoadFont(IFX_Stream* pFontStream, int32_t iFaceIndex, int32_t* pFaceCount = NULL, FX_BOOL bSaveStream = FALSE) = 0; virtual void ClearFontCache() = 0; virtual void RemoveFont(IFX_Font* pFont) = 0; }; #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ #endif // XFA_FGAS_FONT_FGAS_FONT_H_