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1 // Copyright 2016 PDFium Authors. All rights reserved. | 1 // Copyright 2016 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #ifndef CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ | 7 #ifndef CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ |
8 #define CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ | 8 #define CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
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64 virtual uint32_t GetNextChar(const FX_CHAR* pString, | 64 virtual uint32_t GetNextChar(const FX_CHAR* pString, |
65 int nStrLen, | 65 int nStrLen, |
66 int& offset) const; | 66 int& offset) const; |
67 virtual int CountChar(const FX_CHAR* pString, int size) const; | 67 virtual int CountChar(const FX_CHAR* pString, int size) const; |
68 virtual int AppendChar(FX_CHAR* buf, uint32_t charcode) const; | 68 virtual int AppendChar(FX_CHAR* buf, uint32_t charcode) const; |
69 virtual int GetCharSize(uint32_t charcode) const; | 69 virtual int GetCharSize(uint32_t charcode) const; |
70 virtual int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) = 0; | 70 virtual int GlyphFromCharCode(uint32_t charcode, bool* pVertGlyph) = 0; |
71 virtual int GlyphFromCharCodeExt(uint32_t charcode); | 71 virtual int GlyphFromCharCodeExt(uint32_t charcode); |
72 virtual CFX_WideString UnicodeFromCharCode(uint32_t charcode) const; | 72 virtual CFX_WideString UnicodeFromCharCode(uint32_t charcode) const; |
73 virtual uint32_t CharCodeFromUnicode(FX_WCHAR Unicode) const; | 73 virtual uint32_t CharCodeFromUnicode(FX_WCHAR Unicode) const; |
74 virtual uint32_t FallbackFontFromCharcode(uint32_t charcode, | |
dsinclair
2016/08/23 19:41:18
Are either of these overridden by subclasses? If n
npm
2016/08/23 20:36:57
Done.
| |
75 bool* pVertGlyph); | |
76 virtual int FallbackGlyphFromCharcode(int fallbackFont, | |
77 uint32_t charcode, | |
78 bool* pVertGlyph); | |
74 | 79 |
75 const CFX_ByteString& GetBaseFont() const { return m_BaseFont; } | 80 const CFX_ByteString& GetBaseFont() const { return m_BaseFont; } |
76 CFX_SubstFont* GetSubstFont() const { return m_Font.GetSubstFont(); } | 81 CFX_SubstFont* GetSubstFont() const { return m_Font.GetSubstFont(); } |
77 uint32_t GetFlags() const { return m_Flags; } | 82 uint32_t GetFlags() const { return m_Flags; } |
78 FX_BOOL IsEmbedded() const { return IsType3Font() || m_pFontFile != nullptr; } | 83 FX_BOOL IsEmbedded() const { return IsType3Font() || m_pFontFile != nullptr; } |
79 CPDF_StreamAcc* GetFontFile() const { return m_pFontFile; } | 84 CPDF_StreamAcc* GetFontFile() const { return m_pFontFile; } |
80 CPDF_Dictionary* GetFontDict() const { return m_pFontDict; } | 85 CPDF_Dictionary* GetFontDict() const { return m_pFontDict; } |
81 FX_BOOL IsStandardFont() const; | 86 FX_BOOL IsStandardFont() const; |
82 FXFT_Face GetFace() const { return m_Font.GetFace(); } | 87 FXFT_Face GetFace() const { return m_Font.GetFace(); } |
83 void AppendChar(CFX_ByteString& str, uint32_t charcode) const; | 88 void AppendChar(CFX_ByteString& str, uint32_t charcode) const; |
84 | 89 |
85 void GetFontBBox(FX_RECT& rect) const { rect = m_FontBBox; } | 90 void GetFontBBox(FX_RECT& rect) const { rect = m_FontBBox; } |
86 int GetTypeAscent() const { return m_Ascent; } | 91 int GetTypeAscent() const { return m_Ascent; } |
87 int GetTypeDescent() const { return m_Descent; } | 92 int GetTypeDescent() const { return m_Descent; } |
88 int GetItalicAngle() const { return m_ItalicAngle; } | 93 int GetItalicAngle() const { return m_ItalicAngle; } |
89 int GetStemV() const { return m_StemV; } | 94 int GetStemV() const { return m_StemV; } |
90 int GetStringWidth(const FX_CHAR* pString, int size); | 95 int GetStringWidth(const FX_CHAR* pString, int size); |
91 | 96 |
92 virtual int GetCharWidthF(uint32_t charcode, int level = 0) = 0; | 97 virtual int GetCharWidthF(uint32_t charcode, int level = 0) = 0; |
93 virtual FX_RECT GetCharBBox(uint32_t charcode, int level = 0) = 0; | 98 virtual FX_RECT GetCharBBox(uint32_t charcode, int level = 0) = 0; |
94 | 99 |
95 CPDF_Document* m_pDocument; | 100 CPDF_Document* m_pDocument; |
96 CFX_Font m_Font; | 101 CFX_Font m_Font; |
102 std::vector<CFX_Font*> m_FontPlusFallbacks; | |
97 | 103 |
98 protected: | 104 protected: |
99 CPDF_Font(); | 105 CPDF_Font(); |
100 | 106 |
101 virtual FX_BOOL Load() = 0; | 107 virtual FX_BOOL Load() = 0; |
102 | 108 |
103 FX_BOOL Initialize(); | 109 FX_BOOL Initialize(); |
104 void LoadUnicodeMap() const; // logically const only. | 110 void LoadUnicodeMap() const; // logically const only. |
105 void LoadPDFEncoding(CPDF_Object* pEncoding, | 111 void LoadPDFEncoding(CPDF_Object* pEncoding, |
106 int& iBaseEncoding, | 112 int& iBaseEncoding, |
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121 mutable FX_BOOL m_bToUnicodeLoaded; | 127 mutable FX_BOOL m_bToUnicodeLoaded; |
122 int m_Flags; | 128 int m_Flags; |
123 FX_RECT m_FontBBox; | 129 FX_RECT m_FontBBox; |
124 int m_StemV; | 130 int m_StemV; |
125 int m_Ascent; | 131 int m_Ascent; |
126 int m_Descent; | 132 int m_Descent; |
127 int m_ItalicAngle; | 133 int m_ItalicAngle; |
128 }; | 134 }; |
129 | 135 |
130 #endif // CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ | 136 #endif // CORE_FPDFAPI_FPDF_FONT_INCLUDE_CPDF_FONT_H_ |
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