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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 XFA_SRC_FGAS_FONT_FGAS_GEFONT_H_ | |
8 #define XFA_SRC_FGAS_FONT_FGAS_GEFONT_H_ | |
9 | |
10 #include "xfa/src/fgas/crt/fgas_utils.h" | |
11 #include "xfa/src/fgas/font/fgas_font.h" | |
12 | |
13 #define FXFONT_SUBST_ITALIC 0x02 | |
14 | |
15 class CFX_GEFont : public IFX_Font { | |
16 public: | |
17 CFX_GEFont(const CFX_GEFont& src, FX_DWORD dwFontStyles); | |
18 CFX_GEFont(IFX_FontMgr* pFontMgr); | |
19 ~CFX_GEFont(); | |
20 virtual void Release(); | |
21 virtual IFX_Font* Retain(); | |
22 FX_BOOL LoadFont(const FX_WCHAR* pszFontFamily, | |
23 FX_DWORD dwFontStyles, | |
24 FX_WORD wCodePage); | |
25 FX_BOOL LoadFont(const uint8_t* pBuffer, int32_t length); | |
26 FX_BOOL LoadFont(const FX_WCHAR* pszFileName); | |
27 FX_BOOL LoadFont(IFX_Stream* pFontStream, FX_BOOL bSaveStream); | |
28 FX_BOOL LoadFont(CFX_Font* pExtFont, FX_BOOL bTakeOver = FALSE); | |
29 virtual IFX_Font* Derive(FX_DWORD dwFontStyles, FX_WORD wCodePage = 0); | |
30 virtual void GetFamilyName(CFX_WideString& wsFamily) const; | |
31 virtual void GetPsName(CFX_WideString& wsName) const; | |
32 virtual FX_DWORD GetFontStyles() const; | |
33 virtual uint8_t GetCharSet() const; | |
34 virtual FX_BOOL GetCharWidth(FX_WCHAR wUnicode, | |
35 int32_t& iWidth, | |
36 FX_BOOL bCharCode = FALSE); | |
37 virtual int32_t GetGlyphIndex(FX_WCHAR wUnicode, FX_BOOL bCharCode = FALSE); | |
38 virtual int32_t GetAscent() const; | |
39 virtual int32_t GetDescent() const; | |
40 virtual FX_BOOL GetCharBBox(FX_WCHAR wUnicode, | |
41 CFX_Rect& bbox, | |
42 FX_BOOL bCharCode = FALSE); | |
43 virtual FX_BOOL GetBBox(CFX_Rect& bbox); | |
44 virtual int32_t GetItalicAngle() const; | |
45 virtual void Reset(); | |
46 virtual IFX_Font* GetSubstFont(int32_t iGlyphIndex) const; | |
47 virtual void* GetDevFont() const { return (void*)m_pFont; } | |
48 virtual void SetFontProvider(IFX_FontProvider* pProvider) { | |
49 m_pProvider = pProvider; | |
50 } | |
51 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
52 virtual void SetLogicalFontStyle(FX_DWORD dwLogFontStyle) { | |
53 m_bUseLogFontStyle = TRUE; | |
54 m_dwLogFontStyle = dwLogFontStyle; | |
55 } | |
56 #endif | |
57 | |
58 protected: | |
59 #if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_ | |
60 FX_BOOL m_bUseLogFontStyle; | |
61 FX_DWORD m_dwLogFontStyle; | |
62 #endif | |
63 CFX_Font* m_pFont; | |
64 IFX_FontMgr* m_pFontMgr; | |
65 int32_t m_iRefCount; | |
66 FX_BOOL m_bExtFont; | |
67 IFX_Stream* m_pStream; | |
68 IFX_FileRead* m_pFileRead; | |
69 CFX_UnicodeEncoding* m_pFontEncoding; | |
70 CFX_WordDiscreteArray* m_pCharWidthMap; | |
71 CFX_RectMassArray* m_pRectArray; | |
72 CFX_MapPtrToPtr* m_pBBoxMap; | |
73 IFX_FontProvider* m_pProvider; | |
74 FX_WORD m_wCharSet; | |
75 CFX_PtrArray m_SubstFonts; | |
76 CFX_MapPtrToPtr m_FontMapper; | |
77 FX_BOOL InitFont(); | |
78 FX_BOOL GetCharBBox(FX_WCHAR wUnicode, | |
79 CFX_Rect& bbox, | |
80 FX_BOOL bRecursive, | |
81 FX_BOOL bCharCode = FALSE); | |
82 FX_BOOL GetCharWidth(FX_WCHAR wUnicode, | |
83 int32_t& iWidth, | |
84 FX_BOOL bRecursive, | |
85 FX_BOOL bCharCode = FALSE); | |
86 int32_t GetGlyphIndex(FX_WCHAR wUnicode, | |
87 FX_BOOL bRecursive, | |
88 IFX_Font** ppFont, | |
89 FX_BOOL bCharCode = FALSE); | |
90 }; | |
91 | |
92 #endif // XFA_SRC_FGAS_FONT_FGAS_GEFONT_H_ | |
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