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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 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_FXGE_INCLUDE_FX_FONT_H_ | 7 #ifndef CORE_FXGE_INCLUDE_FX_FONT_H_ |
8 #define CORE_FXGE_INCLUDE_FX_FONT_H_ | 8 #define CORE_FXGE_INCLUDE_FX_FONT_H_ |
9 | 9 |
10 #include <memory> | 10 #include <memory> |
11 #include <vector> | 11 #include <vector> |
12 | 12 |
13 #include "core/fxcrt/include/fx_system.h" | 13 #include "core/fxcrt/include/fx_system.h" |
14 #include "core/fxge/include/cfx_substfont.h" | 14 #include "core/fxge/include/cfx_substfont.h" |
15 #include "core/fxge/include/fx_dib.h" | 15 #include "core/fxge/include/fx_dib.h" |
16 #include "core/fxge/include/fx_freetype.h" | 16 #include "core/fxge/include/fx_freetype.h" |
17 | 17 |
18 typedef struct FT_FaceRec_* FXFT_Face; | 18 typedef struct FT_FaceRec_* FXFT_Face; |
19 typedef void* FXFT_Library; | 19 typedef void* FXFT_Library; |
20 | 20 |
21 class CFX_FaceCache; | 21 class CFX_FaceCache; |
22 class CFX_GlyphBitmap; | 22 class CFX_FontCache; |
23 class CFX_PathData; | 23 class CFX_PathData; |
24 class CFX_SizeGlyphCache; | 24 class CFX_SizeGlyphCache; |
25 | 25 |
26 #ifdef _SKIA_SUPPORT_ | 26 #ifdef _SKIA_SUPPORT_ |
27 class SkTypeface; | 27 class SkTypeface; |
28 | 28 |
29 using CFX_TypeFace = SkTypeface; | 29 using CFX_TypeFace = SkTypeface; |
30 #endif | 30 #endif |
31 | 31 |
32 #define FXFONT_FIXED_PITCH 0x01 | 32 #define FXFONT_FIXED_PITCH 0x01 |
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99 FX_BOOL LoadEmbedded(const uint8_t* data, uint32_t size); | 99 FX_BOOL LoadEmbedded(const uint8_t* data, uint32_t size); |
100 FXFT_Face GetFace() const { return m_Face; } | 100 FXFT_Face GetFace() const { return m_Face; } |
101 CFX_SubstFont* GetSubstFont() const { return m_pSubstFont.get(); } | 101 CFX_SubstFont* GetSubstFont() const { return m_pSubstFont.get(); } |
102 | 102 |
103 #ifdef PDF_ENABLE_XFA | 103 #ifdef PDF_ENABLE_XFA |
104 FX_BOOL LoadFile(IFX_FileRead* pFile, | 104 FX_BOOL LoadFile(IFX_FileRead* pFile, |
105 int nFaceIndex = 0, | 105 int nFaceIndex = 0, |
106 int* pFaceCount = nullptr); | 106 int* pFaceCount = nullptr); |
107 | 107 |
108 FX_BOOL LoadClone(const CFX_Font* pFont); | 108 FX_BOOL LoadClone(const CFX_Font* pFont); |
109 void SetFace(FXFT_Face face); | 109 void SetFace(FXFT_Face face) { m_Face = face; } |
110 void SetSubstFont(std::unique_ptr<CFX_SubstFont> subst) { | 110 void SetSubstFont(std::unique_ptr<CFX_SubstFont> subst) { |
111 m_pSubstFont = std::move(subst); | 111 m_pSubstFont = std::move(subst); |
112 } | 112 } |
113 #endif // PDF_ENABLE_XFA | 113 #endif // PDF_ENABLE_XFA |
114 | 114 |
115 const CFX_GlyphBitmap* LoadGlyphBitmap(uint32_t glyph_index, | 115 CFX_PathData* LoadGlyphPath(uint32_t glyph_index, int dest_width = 0); |
116 FX_BOOL bFontStyle, | |
117 const CFX_Matrix* pMatrix, | |
118 int dest_width, | |
119 int anti_alias, | |
120 int& text_flags) const; | |
121 const CFX_PathData* LoadGlyphPath(uint32_t glyph_index, int dest_width) const; | |
122 | |
123 #ifdef _SKIA_SUPPORT_ | |
124 CFX_TypeFace* GetDeviceCache() const; | |
125 #endif | |
126 | |
127 int GetGlyphWidth(uint32_t glyph_index); | 116 int GetGlyphWidth(uint32_t glyph_index); |
128 int GetAscent() const; | 117 int GetAscent() const; |
129 int GetDescent() const; | 118 int GetDescent() const; |
130 FX_BOOL GetGlyphBBox(uint32_t glyph_index, FX_RECT& bbox); | 119 FX_BOOL GetGlyphBBox(uint32_t glyph_index, FX_RECT& bbox); |
131 bool IsItalic() const; | 120 bool IsItalic() const; |
132 bool IsBold() const; | 121 bool IsBold() const; |
133 bool IsFixedWidth() const; | 122 bool IsFixedWidth() const; |
134 FX_BOOL IsVertical() const { return m_bVertical; } | 123 FX_BOOL IsVertical() const { return m_bVertical; } |
135 CFX_ByteString GetPsName() const; | 124 CFX_ByteString GetPsName() const; |
136 CFX_ByteString GetFamilyName() const; | 125 CFX_ByteString GetFamilyName() const; |
137 CFX_ByteString GetFaceName() const; | 126 CFX_ByteString GetFaceName() const; |
138 FX_BOOL IsTTFont() const; | 127 FX_BOOL IsTTFont() const; |
139 FX_BOOL GetBBox(FX_RECT& bbox); | 128 FX_BOOL GetBBox(FX_RECT& bbox); |
140 int GetHeight() const; | 129 int GetHeight() const; |
141 int GetULPos() const; | 130 int GetULPos() const; |
142 int GetULthickness() const; | 131 int GetULthickness() const; |
143 int GetMaxAdvanceWidth() const; | 132 int GetMaxAdvanceWidth() const; |
144 FX_BOOL IsEmbedded() const { return m_bEmbedded; } | 133 FX_BOOL IsEmbedded() const { return m_bEmbedded; } |
145 uint8_t* GetSubData() const { return m_pGsubData; } | 134 uint8_t* GetSubData() const { return m_pGsubData; } |
146 void SetSubData(uint8_t* data) { m_pGsubData = data; } | 135 void SetSubData(uint8_t* data) { m_pGsubData = data; } |
147 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | 136 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
148 void* GetPlatformFont() const { return m_pPlatformFont; } | 137 void* GetPlatformFont() const { return m_pPlatformFont; } |
149 void SetPlatformFont(void* font) { m_pPlatformFont = font; } | 138 void SetPlatformFont(void* font) { m_pPlatformFont = font; } |
150 #endif | 139 #endif |
151 uint8_t* GetFontData() const { return m_pFontData; } | 140 uint8_t* GetFontData() const { return m_pFontData; } |
152 uint32_t GetSize() const { return m_dwSize; } | 141 uint32_t GetSize() const { return m_dwSize; } |
153 void AdjustMMParams(int glyph_index, int width, int weight) const; | 142 void AdjustMMParams(int glyph_index, int width, int weight); |
154 | 143 |
155 static const size_t kAngleSkewArraySize = 30; | 144 static const size_t kAngleSkewArraySize = 30; |
156 static const char s_AngleSkew[kAngleSkewArraySize]; | 145 static const char s_AngleSkew[kAngleSkewArraySize]; |
157 static const size_t kWeightPowArraySize = 100; | 146 static const size_t kWeightPowArraySize = 100; |
158 static const uint8_t s_WeightPow[kWeightPowArraySize]; | 147 static const uint8_t s_WeightPow[kWeightPowArraySize]; |
159 static const uint8_t s_WeightPow_11[kWeightPowArraySize]; | 148 static const uint8_t s_WeightPow_11[kWeightPowArraySize]; |
160 static const uint8_t s_WeightPow_SHIFTJIS[kWeightPowArraySize]; | 149 static const uint8_t s_WeightPow_SHIFTJIS[kWeightPowArraySize]; |
161 | 150 |
162 #ifdef PDF_ENABLE_XFA | 151 #ifdef PDF_ENABLE_XFA |
163 protected: | 152 protected: |
164 CFX_BinaryBuf m_OtfFontData; | 153 CFX_BinaryBuf m_OtfFontData; |
165 bool m_bShallowCopy; | 154 bool m_bShallowCopy; |
166 FXFT_StreamRec* m_pOwnedStream; | 155 FXFT_StreamRec* m_pOwnedStream; |
167 #endif // PDF_ENABLE_XFA | 156 #endif // PDF_ENABLE_XFA |
168 | 157 |
169 private: | 158 private: |
170 friend class CFX_FaceCache; | |
171 CFX_PathData* LoadGlyphPathImpl(uint32_t glyph_index, | |
172 int dest_width = 0) const; | |
173 | |
174 private: | |
175 CFX_FaceCache* GetFaceCache() const; | |
176 | |
177 void ReleasePlatformResource(); | 159 void ReleasePlatformResource(); |
178 void DeleteFace(); | 160 void DeleteFace(); |
179 | 161 |
180 void ClearFaceCache(); | |
181 | |
182 FXFT_Face m_Face; | 162 FXFT_Face m_Face; |
183 mutable CFX_FaceCache* m_FaceCache; // not owned. | |
184 std::unique_ptr<CFX_SubstFont> m_pSubstFont; | 163 std::unique_ptr<CFX_SubstFont> m_pSubstFont; |
185 std::vector<uint8_t> m_pFontDataAllocation; | 164 std::vector<uint8_t> m_pFontDataAllocation; |
186 uint8_t* m_pFontData; | 165 uint8_t* m_pFontData; |
187 uint8_t* m_pGsubData; | 166 uint8_t* m_pGsubData; |
188 uint32_t m_dwSize; | 167 uint32_t m_dwSize; |
189 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | 168 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ |
190 void* m_pPlatformFont; | 169 void* m_pPlatformFont; |
191 #endif | 170 #endif |
192 FX_BOOL m_bEmbedded; | 171 FX_BOOL m_bEmbedded; |
193 FX_BOOL m_bVertical; | 172 FX_BOOL m_bVertical; |
194 }; | 173 }; |
195 | 174 |
196 class CFX_FontFaceInfo { | 175 class CFX_FontFaceInfo { |
197 public: | 176 public: |
198 CFX_FontFaceInfo(CFX_ByteString filePath, | 177 CFX_FontFaceInfo(CFX_ByteString filePath, |
199 CFX_ByteString faceName, | 178 CFX_ByteString faceName, |
200 CFX_ByteString fontTables, | 179 CFX_ByteString fontTables, |
201 uint32_t fontOffset, | 180 uint32_t fontOffset, |
202 uint32_t fileSize); | 181 uint32_t fileSize); |
203 | 182 |
204 const CFX_ByteString m_FilePath; | 183 const CFX_ByteString m_FilePath; |
205 const CFX_ByteString m_FaceName; | 184 const CFX_ByteString m_FaceName; |
206 const CFX_ByteString m_FontTables; | 185 const CFX_ByteString m_FontTables; |
207 const uint32_t m_FontOffset; | 186 const uint32_t m_FontOffset; |
208 const uint32_t m_FileSize; | 187 const uint32_t m_FileSize; |
209 uint32_t m_Styles; | 188 uint32_t m_Styles; |
210 uint32_t m_Charsets; | 189 uint32_t m_Charsets; |
211 }; | 190 }; |
212 | 191 |
| 192 class CFX_CountedFaceCache { |
| 193 public: |
| 194 CFX_FaceCache* m_Obj; |
| 195 uint32_t m_nCount; |
| 196 }; |
| 197 |
213 class CFX_GlyphBitmap { | 198 class CFX_GlyphBitmap { |
214 public: | 199 public: |
215 int m_Top; | 200 int m_Top; |
216 int m_Left; | 201 int m_Left; |
217 CFX_DIBitmap m_Bitmap; | 202 CFX_DIBitmap m_Bitmap; |
218 }; | 203 }; |
219 | 204 |
220 struct FXTEXT_GLYPHPOS { | 205 struct FXTEXT_GLYPHPOS { |
221 const CFX_GlyphBitmap* m_pGlyph; | 206 const CFX_GlyphBitmap* m_pGlyph; |
222 int m_OriginX; | 207 int m_OriginX; |
223 int m_OriginY; | 208 int m_OriginY; |
224 FX_FLOAT m_fOriginX; | 209 FX_FLOAT m_fOriginX; |
225 FX_FLOAT m_fOriginY; | 210 FX_FLOAT m_fOriginY; |
226 }; | 211 }; |
227 | 212 |
228 FX_RECT FXGE_GetGlyphsBBox(const std::vector<FXTEXT_GLYPHPOS>& glyphs, | 213 FX_RECT FXGE_GetGlyphsBBox(const std::vector<FXTEXT_GLYPHPOS>& glyphs, |
229 int anti_alias, | 214 int anti_alias, |
230 FX_FLOAT retinaScaleX = 1.0f, | 215 FX_FLOAT retinaScaleX = 1.0f, |
231 FX_FLOAT retinaScaleY = 1.0f); | 216 FX_FLOAT retinaScaleY = 1.0f); |
232 | 217 |
233 CFX_ByteString GetNameFromTT(const uint8_t* name_table, | 218 CFX_ByteString GetNameFromTT(const uint8_t* name_table, |
234 uint32_t name_table_size, | 219 uint32_t name_table_size, |
235 uint32_t name); | 220 uint32_t name); |
236 | 221 |
237 int PDF_GetStandardFontName(CFX_ByteString* name); | 222 int PDF_GetStandardFontName(CFX_ByteString* name); |
238 | 223 |
239 #endif // CORE_FXGE_INCLUDE_FX_FONT_H_ | 224 #endif // CORE_FXGE_INCLUDE_FX_FONT_H_ |
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