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Diffstat (limited to 'xfa/src/fgas/font/fgas_font.h')
-rw-r--r-- | xfa/src/fgas/font/fgas_font.h | 285 |
1 files changed, 285 insertions, 0 deletions
diff --git a/xfa/src/fgas/font/fgas_font.h b/xfa/src/fgas/font/fgas_font.h new file mode 100644 index 0000000000..0484dee3e6 --- /dev/null +++ b/xfa/src/fgas/font/fgas_font.h @@ -0,0 +1,285 @@ +// 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_SRC_FGAS_FONT_FGAS_FONT_H_ +#define XFA_SRC_FGAS_FONT_FGAS_FONT_H_ + +#include "core/include/fxge/fx_font.h" +#include "xfa/src/fgas/crt/fgas_stream.h" + +#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ +#include "xfa/src/fgas/crt/fgas_memory.h" +#include "xfa/src/fgas/crt/fgas_utils.h" +#endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ + +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_ +struct FX_FONTMATCHPARAMS { + const FX_WCHAR* pwsFamily; + FX_DWORD dwFontStyles; + FX_DWORD dwUSB; + FX_DWORD dwMatchFlags; + FX_WCHAR wUnicode; + FX_WORD wCodePage; +}; +typedef FX_FONTMATCHPARAMS* FX_LPFONTMATCHPARAMS; +typedef FX_FONTMATCHPARAMS const* FX_LPCFONTMATCHPARAMS; + +struct FX_FONTSIGNATURE { + FX_DWORD fsUsb[4]; + FX_DWORD 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]; + FX_DWORD dwFontStyles; + uint8_t uCharSet; + FX_FONTSIGNATURE FontSignature; +}; +typedef FX_FONTDESCRIPTOR* FX_LPFONTDESCRIPTOR; +typedef FX_FONTDESCRIPTOR const* FX_LPCFONTDESCRIPTOR; +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, + 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 // XFA_SRC_FGAS_FONT_FGAS_FONT_H_ |