| // 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 _FX_FONT |
| #define _FX_FONT |
| 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_FontProvider { |
| public: |
| virtual ~IFX_FontProvider() {} |
| virtual FX_BOOL GetCharWidth(IFX_Font* pFont, |
| FX_WCHAR wUnicode, |
| int32_t& iWidth, |
| FX_BOOL bCharCode = FALSE) = 0; |
| }; |
| |
| class IFX_Font { |
| public: |
| static IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily, |
| FX_DWORD dwFontStyles, |
| FX_WORD 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(FX_DWORD dwFontStyles, FX_WORD wCodePage = 0) = 0; |
| virtual void GetFamilyName(CFX_WideString& wsFamily) const = 0; |
| virtual void GetPsName(CFX_WideString& wsName) const = 0; |
| virtual FX_DWORD 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(IFX_FontProvider* pProvider) = 0; |
| #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ |
| virtual void SetLogicalFontStyle(FX_DWORD dwLogFontStyle) = 0; |
| #endif |
| }; |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
| typedef struct _FX_FONTMATCHPARAMS { |
| const FX_WCHAR* pwsFamily; |
| FX_DWORD dwFontStyles; |
| FX_DWORD dwUSB; |
| FX_DWORD dwMatchFlags; |
| FX_WCHAR wUnicode; |
| FX_WORD wCodePage; |
| } FX_FONTMATCHPARAMS, *FX_LPFONTMATCHPARAMS; |
| typedef FX_FONTMATCHPARAMS const* FX_LPCFONTMATCHPARAMS; |
| typedef struct _FX_FONTSIGNATURE : public CFX_Target { |
| FX_DWORD fsUsb[4]; |
| FX_DWORD fsCsb[2]; |
| } FX_FONTSIGNATURE; |
| typedef struct _FX_FONTDESCRIPTOR : public CFX_Target { |
| FX_WCHAR wsFontFace[32]; |
| FX_DWORD dwFontStyles; |
| uint8_t uCharSet; |
| FX_FONTSIGNATURE FontSignature; |
| } FX_FONTDESCRIPTOR, *FX_LPFONTDESCRIPTOR; |
| typedef FX_FONTDESCRIPTOR const* FX_LPCFONTDESCRIPTOR; |
| typedef CFX_MassArrayTemplate<FX_FONTDESCRIPTOR> CFX_FontDescriptors; |
| inline FX_BOOL operator==(const FX_FONTDESCRIPTOR& left, |
| const FX_FONTDESCRIPTOR& right) { |
| return left.uCharSet == right.uCharSet && |
| left.dwFontStyles == right.dwFontStyles && |
| FXSYS_wcscmp(left.wsFontFace, right.wsFontFace) == 0 && |
| FXSYS_memcmp(&left.FontSignature, &right.FontSignature, |
| sizeof(FX_FONTSIGNATURE)) == 0; |
| } |
| #define FX_FONTMATCHPARA_MacthStyle 0x01 |
| #define FX_FONTMATCHPARA_MacthFamily 0x02 |
| #define FX_FONTMATCHPARA_MacthUnicode 0x04 |
| typedef void (*FX_LPEnumAllFonts)(CFX_FontDescriptors& fonts, |
| void* pUserData, |
| const FX_WCHAR* pwsFaceName, |
| FX_WCHAR wUnicode); |
| FX_LPEnumAllFonts FX_GetDefFontEnumerator(); |
| typedef FX_LPCFONTDESCRIPTOR (*FX_LPMatchFont)(FX_LPFONTMATCHPARAMS pParams, |
| const CFX_FontDescriptors& fonts, |
| void* pUserData); |
| FX_LPMatchFont FX_GetDefFontMatchor(); |
| class IFX_FontMgr { |
| public: |
| static IFX_FontMgr* Create(FX_LPEnumAllFonts pEnumerator, |
| FX_LPMatchFont pMatcher = NULL, |
| void* pUserData = NULL); |
| virtual ~IFX_FontMgr() {} |
| virtual void Release() = 0; |
| virtual IFX_Font* GetDefFontByCodePage( |
| FX_WORD wCodePage, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetDefFontByCharset( |
| uint8_t nCharset, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetDefFontByUnicode( |
| FX_WCHAR wUnicode, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetDefFontByLanguage( |
| FX_WORD wLanguage, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily, |
| FX_DWORD dwFontStyles, |
| FX_WORD 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, |
| FX_DWORD dwFontStyles = 0, |
| FX_WORD wCodePage = 0, |
| FX_BOOL bSaveStream = FALSE) = 0; |
| virtual IFX_Font* LoadFont(IFX_Font* pSrcFont, |
| FX_DWORD dwFontStyles, |
| FX_WORD wCodePage = 0xFFFF) = 0; |
| virtual void ClearFontCache() = 0; |
| virtual void RemoveFont(IFX_Font* pFont) = 0; |
| }; |
| #else |
| class IFX_FontMgrDelegate { |
| public: |
| virtual ~IFX_FontMgrDelegate() {} |
| virtual IFX_Font* GetDefFontByCodePage( |
| IFX_FontMgr* pFontMgr, |
| FX_WORD wCodePage, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetDefFontByCharset( |
| IFX_FontMgr* pFontMgr, |
| uint8_t nCharset, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetDefFontByUnicode( |
| IFX_FontMgr* pFontMgr, |
| FX_WCHAR wUnicode, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetDefFontByLanguage( |
| IFX_FontMgr* pFontMgr, |
| FX_WORD wLanguage, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| }; |
| class IFX_FontSourceEnum { |
| public: |
| virtual ~IFX_FontSourceEnum() {} |
| virtual void Release() = 0; |
| virtual FX_POSITION GetStartPosition(void* pUserData = NULL) = 0; |
| virtual IFX_FileAccess* GetNext(FX_POSITION& pos, void* pUserData = NULL) = 0; |
| }; |
| IFX_FontSourceEnum* FX_CreateDefaultFontSourceEnum(); |
| class IFX_FontMgr { |
| public: |
| static IFX_FontMgr* Create(IFX_FontSourceEnum* pFontEnum, |
| IFX_FontMgrDelegate* pDelegate = NULL, |
| void* pUserData = NULL); |
| virtual ~IFX_FontMgr() {} |
| virtual void Release() = 0; |
| virtual IFX_Font* GetDefFontByCodePage( |
| FX_WORD wCodePage, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetDefFontByCharset( |
| uint8_t nCharset, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetDefFontByUnicode( |
| FX_WCHAR wUnicode, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetDefFontByLanguage( |
| FX_WORD wLanguage, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetFontByCodePage(FX_WORD wCodePage, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| inline IFX_Font* LoadFont(const FX_WCHAR* pszFontFamily, |
| FX_DWORD dwFontStyles, |
| FX_WORD wCodePage) { |
| return GetFontByCodePage(wCodePage, dwFontStyles, pszFontFamily); |
| } |
| virtual IFX_Font* GetFontByCharset(uint8_t nCharset, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetFontByUnicode(FX_WCHAR wUnicode, |
| FX_DWORD dwFontStyles, |
| const FX_WCHAR* pszFontFamily = NULL) = 0; |
| virtual IFX_Font* GetFontByLanguage(FX_WORD wLanguage, |
| FX_DWORD 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 |
| #endif |
