1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef _FX_GRAPHOBJS_IMP 8 #define _FX_GRAPHOBJS_IMP 9 #ifndef _FXPLUS 10 class CFX_GEFontMgr; 11 #ifndef FXFONT_SUBST_ITALIC 12 #define FXFONT_SUBST_ITALIC 0x02 13 #endif 14 class CFX_GEFont : public IFX_Font, public CFX_ThreadLock { 15 public: 16 CFX_GEFont(const CFX_GEFont& src, FX_DWORD dwFontStyles); 17 CFX_GEFont(IFX_FontMgr* pFontMgr); 18 ~CFX_GEFont(); 19 virtual void Release(); 20 virtual IFX_Font* Retain(); 21 FX_BOOL LoadFont(const FX_WCHAR* pszFontFamily, 22 FX_DWORD dwFontStyles, 23 FX_WORD wCodePage); 24 FX_BOOL LoadFont(const uint8_t* pBuffer, int32_t length); 25 FX_BOOL LoadFont(const FX_WCHAR* pszFileName); 26 FX_BOOL LoadFont(IFX_Stream* pFontStream, FX_BOOL bSaveStream); 27 FX_BOOL LoadFont(CFX_Font* pExtFont, FX_BOOL bTakeOver = FALSE); 28 virtual IFX_Font* Derive(FX_DWORD dwFontStyles, FX_WORD wCodePage = 0); 29 virtual void GetFamilyName(CFX_WideString& wsFamily) const; 30 virtual void GetPsName(CFX_WideString& wsName) const; 31 virtual FX_DWORD GetFontStyles() const; 32 virtual uint8_t GetCharSet() const; 33 virtual FX_BOOL GetCharWidth(FX_WCHAR wUnicode, 34 int32_t& iWidth, 35 FX_BOOL bCharCode = FALSE); 36 virtual int32_t GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode = FALSE); 37 virtual int32_t GetAscent() const; 38 virtual int32_t GetDescent() const; 39 virtual FX_BOOL GetCharBBox(FX_WCHAR wUnicode, 40 CFX_Rect& bbox, 41 FX_BOOL bCharCode = FALSE); 42 virtual FX_BOOL GetBBox(CFX_Rect& bbox); 43 virtual int32_t GetItalicAngle() const; 44 virtual void Reset(); 45 virtual IFX_Font* GetSubstFont(int32_t iGlyphIndex) const; 46 virtual void* GetDevFont() const { return (void*)m_pFont; } 47 virtual void SetFontProvider(IFX_FontProvider* pProvider) { 48 m_pProvider = pProvider; 49 } 50 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ 51 virtual void SetLogicalFontStyle(FX_DWORD dwLogFontStyle) { 52 m_bUseLogFontStyle = TRUE; 53 m_dwLogFontStyle = dwLogFontStyle; 54 }; 55 #endif 56 protected: 57 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ 58 FX_BOOL m_bUseLogFontStyle; 59 FX_DWORD m_dwLogFontStyle; 60 #endif 61 CFX_Font* m_pFont; 62 IFX_FontMgr* m_pFontMgr; 63 int32_t m_iRefCount; 64 FX_BOOL m_bExtFont; 65 IFX_Stream* m_pStream; 66 IFX_FileRead* m_pFileRead; 67 CFX_UnicodeEncoding* m_pFontEncoding; 68 CFX_WordDiscreteArray* m_pCharWidthMap; 69 CFX_RectMassArray* m_pRectArray; 70 CFX_MapPtrToPtr* m_pBBoxMap; 71 IFX_FontProvider* m_pProvider; 72 FX_WORD m_wCharSet; 73 CFX_PtrArray m_SubstFonts; 74 CFX_MapPtrToPtr m_FontMapper; 75 FX_BOOL InitFont(); 76 FX_BOOL GetCharBBox(FX_WCHAR wUnicode, 77 CFX_Rect& bbox, 78 FX_BOOL bRecursive, 79 FX_BOOL bCharCode = FALSE); 80 FX_BOOL GetCharWidth(FX_WCHAR wUnicode, 81 int32_t& iWidth, 82 FX_BOOL bRecursive, 83 FX_BOOL bCharCode = FALSE); 84 int32_t GetGlyphIndex(FX_WCHAR wUnicode, 85 FX_BOOL bRecursive, 86 IFX_Font** ppFont, 87 FX_BOOL bCharCode = FALSE); 88 }; 89 #endif 90 #endif 91
