| OLD | NEW |
|---|
| (Empty) |
| 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 CORE_FXGE_INCLUDE_FX_FONT_H_ | |
| 8 #define CORE_FXGE_INCLUDE_FX_FONT_H_ | |
| 9 | |
| 10 #include <memory> | |
| 11 #include <vector> | |
| 12 | |
| 13 #include "core/fxcrt/fx_system.h" | |
| 14 #include "core/fxge/include/cfx_substfont.h" | |
| 15 #include "core/fxge/include/fx_dib.h" | |
| 16 #include "core/fxge/include/fx_freetype.h" | |
| 17 | |
| 18 typedef struct FT_FaceRec_* FXFT_Face; | |
| 19 typedef void* FXFT_Library; | |
| 20 | |
| 21 class CFX_FaceCache; | |
| 22 class CFX_GlyphBitmap; | |
| 23 class CFX_PathData; | |
| 24 class CFX_SizeGlyphCache; | |
| 25 | |
| 26 #ifdef _SKIA_SUPPORT_ | |
| 27 class SkTypeface; | |
| 28 | |
| 29 using CFX_TypeFace = SkTypeface; | |
| 30 #endif | |
| 31 | |
| 32 /* Character sets for the font */ | |
| 33 #define FXFONT_ANSI_CHARSET 0 | |
| 34 #define FXFONT_DEFAULT_CHARSET 1 | |
| 35 #define FXFONT_SYMBOL_CHARSET 2 | |
| 36 #define FXFONT_SHIFTJIS_CHARSET 128 | |
| 37 #define FXFONT_HANGUL_CHARSET 129 | |
| 38 #define FXFONT_GB2312_CHARSET 134 | |
| 39 #define FXFONT_CHINESEBIG5_CHARSET 136 | |
| 40 #define FXFONT_THAI_CHARSET 222 | |
| 41 #define FXFONT_EASTEUROPE_CHARSET 238 | |
| 42 #define FXFONT_RUSSIAN_CHARSET 204 | |
| 43 #define FXFONT_GREEK_CHARSET 161 | |
| 44 #define FXFONT_TURKISH_CHARSET 162 | |
| 45 #define FXFONT_HEBREW_CHARSET 177 | |
| 46 #define FXFONT_ARABIC_CHARSET 178 | |
| 47 #define FXFONT_BALTIC_CHARSET 186 | |
| 48 #define FXFONT_JOHAB_CHARSET 130 | |
| 49 #define FXFONT_VIETNAMESE_CHARSET 163 | |
| 50 | |
| 51 /* Font pitch and family flags */ | |
| 52 #define FXFONT_FF_FIXEDPITCH 1 | |
| 53 #define FXFONT_FF_ROMAN (1 << 4) | |
| 54 #define FXFONT_FF_SCRIPT (4 << 4) | |
| 55 | |
| 56 /* Typical weight values */ | |
| 57 #define FXFONT_FW_NORMAL 400 | |
| 58 #define FXFONT_FW_BOLD 700 | |
| 59 | |
| 60 /* Font styles */ | |
| 61 #define FXFONT_FIXED_PITCH 0x01 | |
| 62 #define FXFONT_SERIF 0x02 | |
| 63 #define FXFONT_SYMBOLIC 0x04 | |
| 64 #define FXFONT_SCRIPT 0x08 | |
| 65 #define FXFONT_ITALIC 0x40 | |
| 66 #define FXFONT_BOLD 0x40000 | |
| 67 #define FXFONT_USEEXTERNATTR 0x80000 | |
| 68 #define FXFONT_CIDFONT 0x100000 | |
| 69 #ifdef PDF_ENABLE_XFA | |
| 70 #define FXFONT_EXACTMATCH 0x80000000 | |
| 71 #endif // PDF_ENABLE_XFA | |
| 72 | |
| 73 #define CHARSET_FLAG_ANSI 1 | |
| 74 #define CHARSET_FLAG_SYMBOL 2 | |
| 75 #define CHARSET_FLAG_SHIFTJIS 4 | |
| 76 #define CHARSET_FLAG_BIG5 8 | |
| 77 #define CHARSET_FLAG_GB 16 | |
| 78 #define CHARSET_FLAG_KOREAN 32 | |
| 79 | |
| 80 #define GET_TT_SHORT(w) (uint16_t)(((w)[0] << 8) | (w)[1]) | |
| 81 #define GET_TT_LONG(w) \ | |
| 82 (uint32_t)(((w)[0] << 24) | ((w)[1] << 16) | ((w)[2] << 8) | (w)[3]) | |
| 83 | |
| 84 // Sets the given transform on the font, and resets it to the identity when it | |
| 85 // goes out of scope. | |
| 86 class ScopedFontTransform { | |
| 87 public: | |
| 88 ScopedFontTransform(FT_Face face, FXFT_Matrix* matrix); | |
| 89 ~ScopedFontTransform(); | |
| 90 | |
| 91 private: | |
| 92 FT_Face m_Face; | |
| 93 }; | |
| 94 | |
| 95 class CFX_Font { | |
| 96 public: | |
| 97 CFX_Font(); | |
| 98 ~CFX_Font(); | |
| 99 | |
| 100 void LoadSubst(const CFX_ByteString& face_name, | |
| 101 FX_BOOL bTrueType, | |
| 102 uint32_t flags, | |
| 103 int weight, | |
| 104 int italic_angle, | |
| 105 int CharsetCP, | |
| 106 bool bVertical); | |
| 107 | |
| 108 FX_BOOL LoadEmbedded(const uint8_t* data, uint32_t size); | |
| 109 FXFT_Face GetFace() const { return m_Face; } | |
| 110 CFX_SubstFont* GetSubstFont() const { return m_pSubstFont.get(); } | |
| 111 | |
| 112 #ifdef PDF_ENABLE_XFA | |
| 113 FX_BOOL LoadFile(IFX_FileRead* pFile, | |
| 114 int nFaceIndex = 0, | |
| 115 int* pFaceCount = nullptr); | |
| 116 | |
| 117 FX_BOOL LoadClone(const CFX_Font* pFont); | |
| 118 void SetFace(FXFT_Face face); | |
| 119 void SetSubstFont(std::unique_ptr<CFX_SubstFont> subst) { | |
| 120 m_pSubstFont = std::move(subst); | |
| 121 } | |
| 122 #endif // PDF_ENABLE_XFA | |
| 123 | |
| 124 const CFX_GlyphBitmap* LoadGlyphBitmap(uint32_t glyph_index, | |
| 125 FX_BOOL bFontStyle, | |
| 126 const CFX_Matrix* pMatrix, | |
| 127 int dest_width, | |
| 128 int anti_alias, | |
| 129 int& text_flags) const; | |
| 130 const CFX_PathData* LoadGlyphPath(uint32_t glyph_index, int dest_width) const; | |
| 131 | |
| 132 #ifdef _SKIA_SUPPORT_ | |
| 133 CFX_TypeFace* GetDeviceCache() const; | |
| 134 #endif | |
| 135 | |
| 136 int GetGlyphWidth(uint32_t glyph_index); | |
| 137 int GetAscent() const; | |
| 138 int GetDescent() const; | |
| 139 FX_BOOL GetGlyphBBox(uint32_t glyph_index, FX_RECT& bbox); | |
| 140 bool IsItalic() const; | |
| 141 bool IsBold() const; | |
| 142 bool IsFixedWidth() const; | |
| 143 bool IsVertical() const { return m_bVertical; } | |
| 144 CFX_ByteString GetPsName() const; | |
| 145 CFX_ByteString GetFamilyName() const; | |
| 146 CFX_ByteString GetFaceName() const; | |
| 147 bool IsTTFont() const; | |
| 148 FX_BOOL GetBBox(FX_RECT& bbox); | |
| 149 int GetHeight() const; | |
| 150 int GetULPos() const; | |
| 151 int GetULthickness() const; | |
| 152 int GetMaxAdvanceWidth() const; | |
| 153 FX_BOOL IsEmbedded() const { return m_bEmbedded; } | |
| 154 uint8_t* GetSubData() const { return m_pGsubData; } | |
| 155 void SetSubData(uint8_t* data) { m_pGsubData = data; } | |
| 156 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | |
| 157 void* GetPlatformFont() const { return m_pPlatformFont; } | |
| 158 void SetPlatformFont(void* font) { m_pPlatformFont = font; } | |
| 159 #endif | |
| 160 uint8_t* GetFontData() const { return m_pFontData; } | |
| 161 uint32_t GetSize() const { return m_dwSize; } | |
| 162 void AdjustMMParams(int glyph_index, int width, int weight) const; | |
| 163 | |
| 164 static const size_t kAngleSkewArraySize = 30; | |
| 165 static const char s_AngleSkew[kAngleSkewArraySize]; | |
| 166 static const size_t kWeightPowArraySize = 100; | |
| 167 static const uint8_t s_WeightPow[kWeightPowArraySize]; | |
| 168 static const uint8_t s_WeightPow_11[kWeightPowArraySize]; | |
| 169 static const uint8_t s_WeightPow_SHIFTJIS[kWeightPowArraySize]; | |
| 170 | |
| 171 #ifdef PDF_ENABLE_XFA | |
| 172 protected: | |
| 173 CFX_BinaryBuf m_OtfFontData; | |
| 174 bool m_bShallowCopy; | |
| 175 FXFT_StreamRec* m_pOwnedStream; | |
| 176 #endif // PDF_ENABLE_XFA | |
| 177 | |
| 178 private: | |
| 179 friend class CFX_FaceCache; | |
| 180 CFX_PathData* LoadGlyphPathImpl(uint32_t glyph_index, | |
| 181 int dest_width = 0) const; | |
| 182 | |
| 183 private: | |
| 184 CFX_FaceCache* GetFaceCache() const; | |
| 185 | |
| 186 void ReleasePlatformResource(); | |
| 187 void DeleteFace(); | |
| 188 | |
| 189 void ClearFaceCache(); | |
| 190 | |
| 191 FXFT_Face m_Face; | |
| 192 mutable CFX_FaceCache* m_FaceCache; // not owned. | |
| 193 std::unique_ptr<CFX_SubstFont> m_pSubstFont; | |
| 194 std::vector<uint8_t> m_pFontDataAllocation; | |
| 195 uint8_t* m_pFontData; | |
| 196 uint8_t* m_pGsubData; | |
| 197 uint32_t m_dwSize; | |
| 198 #if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ | |
| 199 void* m_pPlatformFont; | |
| 200 #endif | |
| 201 bool m_bEmbedded; | |
| 202 bool m_bVertical; | |
| 203 }; | |
| 204 | |
| 205 class CFX_FontFaceInfo { | |
| 206 public: | |
| 207 CFX_FontFaceInfo(CFX_ByteString filePath, | |
| 208 CFX_ByteString faceName, | |
| 209 CFX_ByteString fontTables, | |
| 210 uint32_t fontOffset, | |
| 211 uint32_t fileSize); | |
| 212 | |
| 213 const CFX_ByteString m_FilePath; | |
| 214 const CFX_ByteString m_FaceName; | |
| 215 const CFX_ByteString m_FontTables; | |
| 216 const uint32_t m_FontOffset; | |
| 217 const uint32_t m_FileSize; | |
| 218 uint32_t m_Styles; | |
| 219 uint32_t m_Charsets; | |
| 220 }; | |
| 221 | |
| 222 class CFX_GlyphBitmap { | |
| 223 public: | |
| 224 int m_Top; | |
| 225 int m_Left; | |
| 226 CFX_DIBitmap m_Bitmap; | |
| 227 }; | |
| 228 | |
| 229 struct FXTEXT_GLYPHPOS { | |
| 230 const CFX_GlyphBitmap* m_pGlyph; | |
| 231 int m_OriginX; | |
| 232 int m_OriginY; | |
| 233 FX_FLOAT m_fOriginX; | |
| 234 FX_FLOAT m_fOriginY; | |
| 235 }; | |
| 236 | |
| 237 FX_RECT FXGE_GetGlyphsBBox(const std::vector<FXTEXT_GLYPHPOS>& glyphs, | |
| 238 int anti_alias, | |
| 239 FX_FLOAT retinaScaleX = 1.0f, | |
| 240 FX_FLOAT retinaScaleY = 1.0f); | |
| 241 | |
| 242 CFX_ByteString GetNameFromTT(const uint8_t* name_table, | |
| 243 uint32_t name_table_size, | |
| 244 uint32_t name); | |
| 245 | |
| 246 int PDF_GetStandardFontName(CFX_ByteString* name); | |
| 247 | |
| 248 #endif // CORE_FXGE_INCLUDE_FX_FONT_H_ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2377393002:
Move core/fxge/include to core/fxge (Closed)
