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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 #include "core/fxcrt/fx_system.h" | |
| 8 | |
| 9 #define FPF_SKIAMATCHWEIGHT_NAME1 62 | |
| 10 #define FPF_SKIAMATCHWEIGHT_NAME2 60 | |
| 11 #define FPF_SKIAMATCHWEIGHT_1 16 | |
| 12 #define FPF_SKIAMATCHWEIGHT_2 8 | |
| 13 | |
| 14 #include "core/fxcrt/fx_ext.h" | |
| 15 #include "core/fxge/android/fpf_skiafont.h" | |
| 16 #include "core/fxge/android/fpf_skiafontmgr.h" | |
| 17 #include "core/fxge/fx_freetype.h" | |
| 18 | |
| 19 #ifdef __cplusplus | |
| 20 extern "C" { | |
| 21 #endif | |
| 22 static unsigned long FPF_SkiaStream_Read(FXFT_Stream stream, | |
| 23 unsigned long offset, | |
| 24 unsigned char* buffer, | |
| 25 unsigned long count) { | |
| 26 IFX_FileRead* pFileRead = (IFX_FileRead*)stream->descriptor.pointer; | |
| 27 if (!pFileRead) { | |
| 28 return 0; | |
| 29 } | |
| 30 if (count > 0) { | |
| 31 if (!pFileRead->ReadBlock(buffer, (FX_FILESIZE)offset, (size_t)count)) { | |
| 32 return 0; | |
| 33 } | |
| 34 } | |
| 35 return count; | |
| 36 } | |
| 37 static void FPF_SkiaStream_Close(FXFT_Stream stream) {} | |
| 38 #ifdef __cplusplus | |
| 39 }; | |
| 40 #endif | |
| 41 struct FPF_SKIAFONTMAP { | |
| 42 uint32_t dwFamily; | |
| 43 uint32_t dwSubSt; | |
| 44 }; | |
| 45 static const FPF_SKIAFONTMAP g_SkiaFontmap[] = { | |
| 46 {0x58c5083, 0xc8d2e345}, {0x5dfade2, 0xe1633081}, | |
| 47 {0x684317d, 0xe1633081}, {0x14ee2d13, 0xc8d2e345}, | |
| 48 {0x3918fe2d, 0xbbeeec72}, {0x3b98b31c, 0xe1633081}, | |
| 49 {0x3d49f40e, 0xe1633081}, {0x432c41c5, 0xe1633081}, | |
| 50 {0x491b6ad0, 0xe1633081}, {0x5612cab1, 0x59b9f8f1}, | |
| 51 {0x779ce19d, 0xc8d2e345}, {0x7cc9510b, 0x59b9f8f1}, | |
| 52 {0x83746053, 0xbbeeec72}, {0xaaa60c03, 0xbbeeec72}, | |
| 53 {0xbf85ff26, 0xe1633081}, {0xc04fe601, 0xbbeeec72}, | |
| 54 {0xca3812d5, 0x59b9f8f1}, {0xca383e15, 0x59b9f8f1}, | |
| 55 {0xcad5eaf6, 0x59b9f8f1}, {0xcb7a04c8, 0xc8d2e345}, | |
| 56 {0xfb4ce0de, 0xe1633081}, | |
| 57 }; | |
| 58 uint32_t FPF_SkiaGetSubstFont(uint32_t dwHash) { | |
| 59 int32_t iStart = 0; | |
| 60 int32_t iEnd = sizeof(g_SkiaFontmap) / sizeof(FPF_SKIAFONTMAP); | |
| 61 while (iStart <= iEnd) { | |
| 62 int32_t iMid = (iStart + iEnd) / 2; | |
| 63 const FPF_SKIAFONTMAP* pItem = &g_SkiaFontmap[iMid]; | |
| 64 if (dwHash < pItem->dwFamily) { | |
| 65 iEnd = iMid - 1; | |
| 66 } else if (dwHash > pItem->dwFamily) { | |
| 67 iStart = iMid + 1; | |
| 68 } else { | |
| 69 return pItem->dwSubSt; | |
| 70 } | |
| 71 } | |
| 72 return 0; | |
| 73 } | |
| 74 static const FPF_SKIAFONTMAP g_SkiaSansFontMap[] = { | |
| 75 {0x58c5083, 0xd5b8d10f}, {0x14ee2d13, 0xd5b8d10f}, | |
| 76 {0x779ce19d, 0xd5b8d10f}, {0xcb7a04c8, 0xd5b8d10f}, | |
| 77 {0xfb4ce0de, 0xd5b8d10f}, | |
| 78 }; | |
| 79 uint32_t FPF_SkiaGetSansFont(uint32_t dwHash) { | |
| 80 int32_t iStart = 0; | |
| 81 int32_t iEnd = sizeof(g_SkiaSansFontMap) / sizeof(FPF_SKIAFONTMAP); | |
| 82 while (iStart <= iEnd) { | |
| 83 int32_t iMid = (iStart + iEnd) / 2; | |
| 84 const FPF_SKIAFONTMAP* pItem = &g_SkiaSansFontMap[iMid]; | |
| 85 if (dwHash < pItem->dwFamily) { | |
| 86 iEnd = iMid - 1; | |
| 87 } else if (dwHash > pItem->dwFamily) { | |
| 88 iStart = iMid + 1; | |
| 89 } else { | |
| 90 return pItem->dwSubSt; | |
| 91 } | |
| 92 } | |
| 93 return 0; | |
| 94 } | |
| 95 static uint32_t FPF_GetHashCode_StringA(const FX_CHAR* pStr, | |
| 96 int32_t iLength, | |
| 97 FX_BOOL bIgnoreCase = FALSE) { | |
| 98 if (!pStr) { | |
| 99 return 0; | |
| 100 } | |
| 101 if (iLength < 0) { | |
| 102 iLength = FXSYS_strlen(pStr); | |
| 103 } | |
| 104 const FX_CHAR* pStrEnd = pStr + iLength; | |
| 105 uint32_t uHashCode = 0; | |
| 106 if (bIgnoreCase) { | |
| 107 while (pStr < pStrEnd) { | |
| 108 uHashCode = 31 * uHashCode + FXSYS_tolower(*pStr++); | |
| 109 } | |
| 110 } else { | |
| 111 while (pStr < pStrEnd) { | |
| 112 uHashCode = 31 * uHashCode + *pStr++; | |
| 113 } | |
| 114 } | |
| 115 return uHashCode; | |
| 116 } | |
| 117 enum FPF_SKIACHARSET { | |
| 118 FPF_SKIACHARSET_Ansi = 1 << 0, | |
| 119 FPF_SKIACHARSET_Default = 1 << 1, | |
| 120 FPF_SKIACHARSET_Symbol = 1 << 2, | |
| 121 FPF_SKIACHARSET_ShiftJIS = 1 << 3, | |
| 122 FPF_SKIACHARSET_Korean = 1 << 4, | |
| 123 FPF_SKIACHARSET_Johab = 1 << 5, | |
| 124 FPF_SKIACHARSET_GB2312 = 1 << 6, | |
| 125 FPF_SKIACHARSET_BIG5 = 1 << 7, | |
| 126 FPF_SKIACHARSET_Greek = 1 << 8, | |
| 127 FPF_SKIACHARSET_Turkish = 1 << 9, | |
| 128 FPF_SKIACHARSET_Vietnamese = 1 << 10, | |
| 129 FPF_SKIACHARSET_Hebrew = 1 << 11, | |
| 130 FPF_SKIACHARSET_Arabic = 1 << 12, | |
| 131 FPF_SKIACHARSET_Baltic = 1 << 13, | |
| 132 FPF_SKIACHARSET_Cyrillic = 1 << 14, | |
| 133 FPF_SKIACHARSET_Thai = 1 << 15, | |
| 134 FPF_SKIACHARSET_EeasternEuropean = 1 << 16, | |
| 135 FPF_SKIACHARSET_PC = 1 << 17, | |
| 136 FPF_SKIACHARSET_OEM = 1 << 18, | |
| 137 }; | |
| 138 static uint32_t FPF_SkiaGetCharset(uint8_t uCharset) { | |
| 139 switch (uCharset) { | |
| 140 case FXFONT_ANSI_CHARSET: | |
| 141 return FPF_SKIACHARSET_Ansi; | |
| 142 case FXFONT_DEFAULT_CHARSET: | |
| 143 return FPF_SKIACHARSET_Default; | |
| 144 case FXFONT_SYMBOL_CHARSET: | |
| 145 return FPF_SKIACHARSET_Symbol; | |
| 146 case FXFONT_SHIFTJIS_CHARSET: | |
| 147 return FPF_SKIACHARSET_ShiftJIS; | |
| 148 case FXFONT_HANGUL_CHARSET: | |
| 149 return FPF_SKIACHARSET_Korean; | |
| 150 case FXFONT_GB2312_CHARSET: | |
| 151 return FPF_SKIACHARSET_GB2312; | |
| 152 case FXFONT_CHINESEBIG5_CHARSET: | |
| 153 return FPF_SKIACHARSET_BIG5; | |
| 154 case FXFONT_GREEK_CHARSET: | |
| 155 return FPF_SKIACHARSET_Greek; | |
| 156 case FXFONT_TURKISH_CHARSET: | |
| 157 return FPF_SKIACHARSET_Turkish; | |
| 158 case FXFONT_HEBREW_CHARSET: | |
| 159 return FPF_SKIACHARSET_Hebrew; | |
| 160 case FXFONT_ARABIC_CHARSET: | |
| 161 return FPF_SKIACHARSET_Arabic; | |
| 162 case FXFONT_BALTIC_CHARSET: | |
| 163 return FPF_SKIACHARSET_Baltic; | |
| 164 case FXFONT_RUSSIAN_CHARSET: | |
| 165 return FPF_SKIACHARSET_Cyrillic; | |
| 166 case FXFONT_THAI_CHARSET: | |
| 167 return FPF_SKIACHARSET_Thai; | |
| 168 case FXFONT_EASTEUROPE_CHARSET: | |
| 169 return FPF_SKIACHARSET_EeasternEuropean; | |
| 170 } | |
| 171 return FPF_SKIACHARSET_Default; | |
| 172 } | |
| 173 static uint32_t FPF_SKIANormalizeFontName(const CFX_ByteStringC& bsfamily) { | |
| 174 uint32_t dwHash = 0; | |
| 175 int32_t iLength = bsfamily.GetLength(); | |
| 176 const FX_CHAR* pBuffer = bsfamily.c_str(); | |
| 177 for (int32_t i = 0; i < iLength; i++) { | |
| 178 FX_CHAR ch = pBuffer[i]; | |
| 179 if (ch == ' ' || ch == '-' || ch == ',') { | |
| 180 continue; | |
| 181 } | |
| 182 dwHash = 31 * dwHash + FXSYS_tolower(ch); | |
| 183 } | |
| 184 return dwHash; | |
| 185 } | |
| 186 static uint32_t FPF_SKIAGetFamilyHash(const CFX_ByteStringC& bsFamily, | |
| 187 uint32_t dwStyle, | |
| 188 uint8_t uCharset) { | |
| 189 CFX_ByteString bsFont(bsFamily); | |
| 190 if (dwStyle & FXFONT_BOLD) { | |
| 191 bsFont += "Bold"; | |
| 192 } | |
| 193 if (dwStyle & FXFONT_ITALIC) { | |
| 194 bsFont += "Italic"; | |
| 195 } | |
| 196 if (dwStyle & FXFONT_SERIF) { | |
| 197 bsFont += "Serif"; | |
| 198 } | |
| 199 bsFont += uCharset; | |
| 200 return FPF_GetHashCode_StringA(bsFont.c_str(), bsFont.GetLength(), TRUE); | |
| 201 } | |
| 202 static FX_BOOL FPF_SkiaIsCJK(uint8_t uCharset) { | |
| 203 return (uCharset == FXFONT_GB2312_CHARSET) || | |
| 204 (uCharset == FXFONT_CHINESEBIG5_CHARSET) || | |
| 205 (uCharset == FXFONT_HANGUL_CHARSET) || | |
| 206 (uCharset == FXFONT_SHIFTJIS_CHARSET); | |
| 207 } | |
| 208 static FX_BOOL FPF_SkiaMaybeSymbol(const CFX_ByteStringC& bsFacename) { | |
| 209 CFX_ByteString bsName(bsFacename); | |
| 210 bsName.MakeLower(); | |
| 211 return bsName.Find("symbol") > -1; | |
| 212 } | |
| 213 static FX_BOOL FPF_SkiaMaybeArabic(const CFX_ByteStringC& bsFacename) { | |
| 214 CFX_ByteString bsName(bsFacename); | |
| 215 bsName.MakeLower(); | |
| 216 return bsName.Find("arabic") > -1; | |
| 217 } | |
| 218 CFPF_SkiaFontMgr::CFPF_SkiaFontMgr() : m_bLoaded(FALSE), m_FTLibrary(nullptr) {} | |
| 219 CFPF_SkiaFontMgr::~CFPF_SkiaFontMgr() { | |
| 220 for (const auto& pair : m_FamilyFonts) { | |
| 221 if (pair.second) | |
| 222 pair.second->Release(); | |
| 223 } | |
| 224 m_FamilyFonts.clear(); | |
| 225 for (auto it = m_FontFaces.rbegin(); it != m_FontFaces.rend(); ++it) { | |
| 226 delete *it; | |
| 227 } | |
| 228 m_FontFaces.clear(); | |
| 229 if (m_FTLibrary) { | |
| 230 FXFT_Done_FreeType(m_FTLibrary); | |
| 231 } | |
| 232 } | |
| 233 FX_BOOL CFPF_SkiaFontMgr::InitFTLibrary() { | |
| 234 if (!m_FTLibrary) | |
| 235 FXFT_Init_FreeType(&m_FTLibrary); | |
| 236 return !!m_FTLibrary; | |
| 237 } | |
| 238 void CFPF_SkiaFontMgr::LoadSystemFonts() { | |
| 239 if (m_bLoaded) { | |
| 240 return; | |
| 241 } | |
| 242 ScanPath("/system/fonts"); | |
| 243 OutputSystemFonts(); | |
| 244 m_bLoaded = TRUE; | |
| 245 } | |
| 246 void CFPF_SkiaFontMgr::LoadPrivateFont(IFX_FileRead* pFontFile) {} | |
| 247 void CFPF_SkiaFontMgr::LoadPrivateFont(const CFX_ByteStringC& bsFileName) {} | |
| 248 void CFPF_SkiaFontMgr::LoadPrivateFont(void* pBuffer, size_t szBuffer) {} | |
| 249 | |
| 250 CFPF_SkiaFont* CFPF_SkiaFontMgr::CreateFont(const CFX_ByteStringC& bsFamilyname, | |
| 251 uint8_t uCharset, | |
| 252 uint32_t dwStyle, | |
| 253 uint32_t dwMatch) { | |
| 254 uint32_t dwHash = FPF_SKIAGetFamilyHash(bsFamilyname, dwStyle, uCharset); | |
| 255 auto it = m_FamilyFonts.find(dwHash); | |
| 256 if (it != m_FamilyFonts.end() && it->second) | |
| 257 return it->second->Retain(); | |
| 258 | |
| 259 uint32_t dwFaceName = FPF_SKIANormalizeFontName(bsFamilyname); | |
| 260 uint32_t dwSubst = FPF_SkiaGetSubstFont(dwFaceName); | |
| 261 uint32_t dwSubstSans = FPF_SkiaGetSansFont(dwFaceName); | |
| 262 FX_BOOL bMaybeSymbol = FPF_SkiaMaybeSymbol(bsFamilyname); | |
| 263 if (uCharset != FXFONT_ARABIC_CHARSET && FPF_SkiaMaybeArabic(bsFamilyname)) { | |
| 264 uCharset = FXFONT_ARABIC_CHARSET; | |
| 265 } else if (uCharset == FXFONT_ANSI_CHARSET && | |
| 266 (dwMatch & FPF_MATCHFONT_REPLACEANSI)) { | |
| 267 uCharset = FXFONT_DEFAULT_CHARSET; | |
| 268 } | |
| 269 int32_t nExpectVal = FPF_SKIAMATCHWEIGHT_NAME1 + FPF_SKIAMATCHWEIGHT_1 * 3 + | |
| 270 FPF_SKIAMATCHWEIGHT_2 * 2; | |
| 271 CFPF_SkiaFontDescriptor* pBestFontDes = nullptr; | |
| 272 int32_t nMax = -1; | |
| 273 int32_t nGlyphNum = 0; | |
| 274 for (auto it = m_FontFaces.rbegin(); it != m_FontFaces.rend(); ++it) { | |
| 275 CFPF_SkiaPathFont* pFontDes = static_cast<CFPF_SkiaPathFont*>(*it); | |
| 276 if (!(pFontDes->m_dwCharsets & FPF_SkiaGetCharset(uCharset))) { | |
| 277 continue; | |
| 278 } | |
| 279 int32_t nFind = 0; | |
| 280 uint32_t dwSysFontName = FPF_SKIANormalizeFontName(pFontDes->m_pFamily); | |
| 281 if (dwFaceName == dwSysFontName) { | |
| 282 nFind += FPF_SKIAMATCHWEIGHT_NAME1; | |
| 283 } | |
| 284 bool bMatchedName = (nFind == FPF_SKIAMATCHWEIGHT_NAME1); | |
| 285 if ((dwStyle & FXFONT_BOLD) == (pFontDes->m_dwStyle & FXFONT_BOLD)) { | |
| 286 nFind += FPF_SKIAMATCHWEIGHT_1; | |
| 287 } | |
| 288 if ((dwStyle & FXFONT_ITALIC) == (pFontDes->m_dwStyle & FXFONT_ITALIC)) { | |
| 289 nFind += FPF_SKIAMATCHWEIGHT_1; | |
| 290 } | |
| 291 if ((dwStyle & FXFONT_FIXED_PITCH) == | |
| 292 (pFontDes->m_dwStyle & FXFONT_FIXED_PITCH)) { | |
| 293 nFind += FPF_SKIAMATCHWEIGHT_2; | |
| 294 } | |
| 295 if ((dwStyle & FXFONT_SERIF) == (pFontDes->m_dwStyle & FXFONT_SERIF)) { | |
| 296 nFind += FPF_SKIAMATCHWEIGHT_1; | |
| 297 } | |
| 298 if ((dwStyle & FXFONT_SCRIPT) == (pFontDes->m_dwStyle & FXFONT_SCRIPT)) { | |
| 299 nFind += FPF_SKIAMATCHWEIGHT_2; | |
| 300 } | |
| 301 if (dwSubst == dwSysFontName || dwSubstSans == dwSysFontName) { | |
| 302 nFind += FPF_SKIAMATCHWEIGHT_NAME2; | |
| 303 bMatchedName = true; | |
| 304 } | |
| 305 if (uCharset == FXFONT_DEFAULT_CHARSET || bMaybeSymbol) { | |
| 306 if (nFind > nMax && bMatchedName) { | |
| 307 nMax = nFind; | |
| 308 pBestFontDes = *it; | |
| 309 } | |
| 310 } else if (FPF_SkiaIsCJK(uCharset)) { | |
| 311 if (bMatchedName || pFontDes->m_iGlyphNum > nGlyphNum) { | |
| 312 pBestFontDes = *it; | |
| 313 nGlyphNum = pFontDes->m_iGlyphNum; | |
| 314 } | |
| 315 } else if (nFind > nMax) { | |
| 316 nMax = nFind; | |
| 317 pBestFontDes = *it; | |
| 318 } | |
| 319 if (nExpectVal <= nFind) { | |
| 320 pBestFontDes = *it; | |
| 321 break; | |
| 322 } | |
| 323 } | |
| 324 if (pBestFontDes) { | |
| 325 CFPF_SkiaFont* pFont = new CFPF_SkiaFont; | |
| 326 if (pFont->InitFont(this, pBestFontDes, bsFamilyname, dwStyle, uCharset)) { | |
| 327 m_FamilyFonts[dwHash] = pFont; | |
| 328 return pFont->Retain(); | |
| 329 } | |
| 330 pFont->Release(); | |
| 331 } | |
| 332 return nullptr; | |
| 333 } | |
| 334 | |
| 335 FXFT_Face CFPF_SkiaFontMgr::GetFontFace(IFX_FileRead* pFileRead, | |
| 336 int32_t iFaceIndex) { | |
| 337 if (!pFileRead) { | |
| 338 return nullptr; | |
| 339 } | |
| 340 if (pFileRead->GetSize() == 0) { | |
| 341 return nullptr; | |
| 342 } | |
| 343 if (iFaceIndex < 0) { | |
| 344 return nullptr; | |
| 345 } | |
| 346 FXFT_StreamRec streamRec; | |
| 347 FXSYS_memset(&streamRec, 0, sizeof(FXFT_StreamRec)); | |
| 348 streamRec.size = pFileRead->GetSize(); | |
| 349 streamRec.descriptor.pointer = pFileRead; | |
| 350 streamRec.read = FPF_SkiaStream_Read; | |
| 351 streamRec.close = FPF_SkiaStream_Close; | |
| 352 FXFT_Open_Args args; | |
| 353 args.flags = FT_OPEN_STREAM; | |
| 354 args.stream = &streamRec; | |
| 355 FXFT_Face face; | |
| 356 if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) { | |
| 357 return nullptr; | |
| 358 } | |
| 359 FXFT_Set_Pixel_Sizes(face, 0, 64); | |
| 360 return face; | |
| 361 } | |
| 362 FXFT_Face CFPF_SkiaFontMgr::GetFontFace(const CFX_ByteStringC& bsFile, | |
| 363 int32_t iFaceIndex) { | |
| 364 if (bsFile.IsEmpty()) { | |
| 365 return nullptr; | |
| 366 } | |
| 367 if (iFaceIndex < 0) { | |
| 368 return nullptr; | |
| 369 } | |
| 370 FXFT_Open_Args args; | |
| 371 args.flags = FT_OPEN_PATHNAME; | |
| 372 args.pathname = const_cast<FT_String*>(bsFile.c_str()); | |
| 373 FXFT_Face face; | |
| 374 if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) { | |
| 375 return FALSE; | |
| 376 } | |
| 377 FXFT_Set_Pixel_Sizes(face, 0, 64); | |
| 378 return face; | |
| 379 } | |
| 380 FXFT_Face CFPF_SkiaFontMgr::GetFontFace(const uint8_t* pBuffer, | |
| 381 size_t szBuffer, | |
| 382 int32_t iFaceIndex) { | |
| 383 if (!pBuffer || szBuffer < 1) { | |
| 384 return nullptr; | |
| 385 } | |
| 386 if (iFaceIndex < 0) { | |
| 387 return nullptr; | |
| 388 } | |
| 389 FXFT_Open_Args args; | |
| 390 args.flags = FT_OPEN_MEMORY; | |
| 391 args.memory_base = pBuffer; | |
| 392 args.memory_size = szBuffer; | |
| 393 FXFT_Face face; | |
| 394 if (FXFT_Open_Face(m_FTLibrary, &args, iFaceIndex, &face)) { | |
| 395 return FALSE; | |
| 396 } | |
| 397 FXFT_Set_Pixel_Sizes(face, 0, 64); | |
| 398 return face; | |
| 399 } | |
| 400 | |
| 401 void CFPF_SkiaFontMgr::ScanPath(const CFX_ByteString& path) { | |
| 402 DIR* handle = FX_OpenFolder(path.c_str()); | |
| 403 if (!handle) { | |
| 404 return; | |
| 405 } | |
| 406 CFX_ByteString filename; | |
| 407 bool bFolder = false; | |
| 408 while (FX_GetNextFile(handle, &filename, &bFolder)) { | |
| 409 if (bFolder) { | |
| 410 if (filename == "." || filename == "..") | |
| 411 continue; | |
| 412 } else { | |
| 413 CFX_ByteString ext = filename.Right(4); | |
| 414 ext.MakeLower(); | |
| 415 if (ext != ".ttf" && ext != ".ttc" && ext != ".otf") | |
| 416 continue; | |
| 417 } | |
| 418 CFX_ByteString fullpath(path); | |
| 419 fullpath += "/"; | |
| 420 fullpath += filename; | |
| 421 if (bFolder) | |
| 422 ScanPath(fullpath); | |
| 423 else | |
| 424 ScanFile(fullpath); | |
| 425 } | |
| 426 FX_CloseFolder(handle); | |
| 427 } | |
| 428 | |
| 429 void CFPF_SkiaFontMgr::ScanFile(const CFX_ByteString& file) { | |
| 430 FXFT_Face face = GetFontFace(file.AsStringC()); | |
| 431 if (face) { | |
| 432 CFPF_SkiaPathFont* pFontDesc = new CFPF_SkiaPathFont; | |
| 433 pFontDesc->SetPath(file.c_str()); | |
| 434 ReportFace(face, pFontDesc); | |
| 435 m_FontFaces.push_back(pFontDesc); | |
| 436 FXFT_Done_Face(face); | |
| 437 } | |
| 438 } | |
| 439 | |
| 440 static const uint32_t g_FPFSkiaFontCharsets[] = { | |
| 441 FPF_SKIACHARSET_Ansi, | |
| 442 FPF_SKIACHARSET_EeasternEuropean, | |
| 443 FPF_SKIACHARSET_Cyrillic, | |
| 444 FPF_SKIACHARSET_Greek, | |
| 445 FPF_SKIACHARSET_Turkish, | |
| 446 FPF_SKIACHARSET_Hebrew, | |
| 447 FPF_SKIACHARSET_Arabic, | |
| 448 FPF_SKIACHARSET_Baltic, | |
| 449 0, | |
| 450 0, | |
| 451 0, | |
| 452 0, | |
| 453 0, | |
| 454 0, | |
| 455 0, | |
| 456 0, | |
| 457 FPF_SKIACHARSET_Thai, | |
| 458 FPF_SKIACHARSET_ShiftJIS, | |
| 459 FPF_SKIACHARSET_GB2312, | |
| 460 FPF_SKIACHARSET_Korean, | |
| 461 FPF_SKIACHARSET_BIG5, | |
| 462 FPF_SKIACHARSET_Johab, | |
| 463 0, | |
| 464 0, | |
| 465 0, | |
| 466 0, | |
| 467 0, | |
| 468 0, | |
| 469 0, | |
| 470 0, | |
| 471 FPF_SKIACHARSET_OEM, | |
| 472 FPF_SKIACHARSET_Symbol, | |
| 473 }; | |
| 474 | |
| 475 static uint32_t FPF_SkiaGetFaceCharset(TT_OS2* pOS2) { | |
| 476 uint32_t dwCharset = 0; | |
| 477 if (pOS2) { | |
| 478 for (int32_t i = 0; i < 32; i++) { | |
| 479 if (pOS2->ulCodePageRange1 & (1 << i)) { | |
| 480 dwCharset |= g_FPFSkiaFontCharsets[i]; | |
| 481 } | |
| 482 } | |
| 483 } | |
| 484 dwCharset |= FPF_SKIACHARSET_Default; | |
| 485 return dwCharset; | |
| 486 } | |
| 487 | |
| 488 void CFPF_SkiaFontMgr::ReportFace(FXFT_Face face, | |
| 489 CFPF_SkiaFontDescriptor* pFontDesc) { | |
| 490 if (!face || !pFontDesc) { | |
| 491 return; | |
| 492 } | |
| 493 pFontDesc->SetFamily(FXFT_Get_Face_Family_Name(face)); | |
| 494 if (FXFT_Is_Face_Bold(face)) { | |
| 495 pFontDesc->m_dwStyle |= FXFONT_BOLD; | |
| 496 } | |
| 497 if (FXFT_Is_Face_Italic(face)) { | |
| 498 pFontDesc->m_dwStyle |= FXFONT_ITALIC; | |
| 499 } | |
| 500 if (FT_IS_FIXED_WIDTH(face)) { | |
| 501 pFontDesc->m_dwStyle |= FXFONT_FIXED_PITCH; | |
| 502 } | |
| 503 TT_OS2* pOS2 = (TT_OS2*)FT_Get_Sfnt_Table(face, ft_sfnt_os2); | |
| 504 if (pOS2) { | |
| 505 if (pOS2->ulCodePageRange1 & (1 << 31)) { | |
| 506 pFontDesc->m_dwStyle |= FXFONT_SYMBOLIC; | |
| 507 } | |
| 508 if (pOS2->panose[0] == 2) { | |
| 509 uint8_t uSerif = pOS2->panose[1]; | |
| 510 if ((uSerif > 1 && uSerif < 10) || uSerif > 13) { | |
| 511 pFontDesc->m_dwStyle |= FXFONT_SERIF; | |
| 512 } | |
| 513 } | |
| 514 } | |
| 515 if (pOS2 && (pOS2->ulCodePageRange1 & (1 << 31))) { | |
| 516 pFontDesc->m_dwStyle |= FXFONT_SYMBOLIC; | |
| 517 } | |
| 518 pFontDesc->m_dwCharsets = FPF_SkiaGetFaceCharset(pOS2); | |
| 519 pFontDesc->m_iFaceIndex = face->face_index; | |
| 520 pFontDesc->m_iGlyphNum = face->num_glyphs; | |
| 521 } | |
| 522 | |
| 523 void CFPF_SkiaFontMgr::OutputSystemFonts() {} | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2433543002:
Clean up fpf_skiafontmgr (Closed)
