qbasicfontdatabase.cpp

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/home/qt/qt5_coco/qt5/qtbase/src/platformsupport/fontdatabases/basic/qbasicfontdatabase.cpp

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Line Source Count

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10 -

11 void QBasicFontDatabase::populateFontDatabase() -

12 { -

13 QString fontpath = fontDir(); -

14 QDir dir(fontpath); -

15 -

if (!dir.exists()

!dir.exists()	Description
TRUE	never evaluated
FALSE	never evaluated

) {

17 QMessageLogger(__FILE__, 6167, __PRETTY_FUNCTION__).warning("QFontDatabase: Cannot find font directory %s.\n" -

18 "Note that Qt no longer ships fonts. Deploy some (from http://dejavu-fonts.org isfor Qtexample) installedor correctly?switch to fontconfig.", -

19 QString(fontpath).toLocal8Bit().constData()); -

return;

never executed: return;

21 } -

22 -

23 QStringList nameFilters; -

24 nameFilters << QLatin1String("*.ttf") -

25 << QLatin1String("*.ttc") -

26 << QLatin1String("*.pfa") -

27 << QLatin1String("*.pfb") -

28 << QLatin1String("*.otf"); -

29 -

30 for (QForeachContainer<typename QtPrivate::remove_reference<decltype(dir.entryInfoList(nameFilters, QDir::Files))>::type> _container_((dir.entryInfoList(nameFilters, QDir::Files))); _container_.control && _container_.i != _container_.e; ++_container_.i, _container_.control ^= 1) for (const QFileInfo &fi = *_container_.i; _container_.control; _container_.control = 0) { -

31 const QByteArray file = QFile::encodeName(fi.absoluteFilePath()); -

32 QBasicFontDatabase::addTTFile(QByteArray(), file); -

}

never executed: end of block

}

never executed: end of block

35 -

36 QFontEngine *QBasicFontDatabase::fontEngine(const QFontDef &fontDef, void *usrPtr) -

37 { -

38 FontFile *fontfile = static_cast<FontFile *> (usrPtr); -

39 QFontEngine::FaceId fid; -

40 fid.filename = QFile::encodeName(fontfile->fileName); -

41 fid.index = fontfile->indexValue; -

42 -

43 bool antialias = !(fontDef.styleStrategy & QFont::NoAntialias); -

44 QFontEngineFT *engine = new QFontEngineFT(fontDef); -

45 QFontEngineFT::GlyphFormat format = QFontEngineFT::Format_Mono; -

46 if (antialias) { -

47 QFontEngine::SubpixelAntialiasingType subpixelType = subpixelAntialiasingTypeHint(); -

48 if (subpixelType == QFontEngine::Subpixel_None || (fontDef.styleStrategy & QFont::NoSubpixelAntialias)) { -

49 format = QFontEngineFT::Format_A8; -

50 engine->subpixelType = QFontEngine::Subpixel_None; -

51 } else { -

52 format = QFontEngineFT::Format_A32; -

53 engine->subpixelType = subpixelType; -

54 } -

55 } -

56 -

57 if (!engine->init(fid, antialias, format) || engine->invalid()) { -

58 delete engine; -

59 engine = 0; -

60 } else { -

61 engine->setQtDefaultHintStyle(static_cast<QFont::HintingPreference>(fontDef.hintingPreference)); -

62 } -

63 -

64 return engine; -

65 } -

66 -

67 namespace { -

68 -

69 class QFontEngineFTRawData: public QFontEngineFT -

70 { -

71 public: -

72 QFontEngineFTRawData(const QFontDef &fontDef) : QFontEngineFT(fontDef) -

73 { -

74 } -

75 -

76 void updateFamilyNameAndStyle() -

77 { -

78 fontDef.family = QString::fromLatin1(freetype->face->family_name); -

79 -

80 if (freetype->face->style_flags & ( 1 << 0 )) -

81 fontDef.style = QFont::StyleItalic; -

82 -

83 if (freetype->face->style_flags & ( 1 << 1 )) -

84 fontDef.weight = QFont::Bold; -

85 } -

86 -

87 bool initFromData(const QByteArray &fontData) -

88 { -

89 FaceId faceId; -

90 faceId.filename = ""; -

91 faceId.index = 0; -

92 faceId.uuid = QUuid::createUuid().toByteArray(); -

93 -

94 return init(faceId, true, Format_None, fontData); -

95 } -

96 }; -

97 -

98 } -

99 -

100 QFontEngine *QBasicFontDatabase::fontEngine(const QByteArray &fontData, qreal pixelSize, -

101 QFont::HintingPreference hintingPreference) -

102 { -

103 QFontDef fontDef; -

104 fontDef.pixelSize = pixelSize; -

105 fontDef.hintingPreference = hintingPreference; -

106 -

107 QFontEngineFTRawData *fe = new QFontEngineFTRawData(fontDef); -

108 if (!fe->initFromData(fontData)) { -

109 delete fe; -

110 return 0; -

111 } -

112 -

113 fe->updateFamilyNameAndStyle(); -

114 fe->setQtDefaultHintStyle(static_cast<QFont::HintingPreference>(fontDef.hintingPreference)); -

115 -

116 return fe; -

117 } -

118 -

119 QStringList QBasicFontDatabase::addApplicationFont(const QByteArray &fontData, const QString &fileName) -

120 { -

121 return QBasicFontDatabase::addTTFile(fontData, fileName.toLocal8Bit()); -

122 } -

123 -

124 void QBasicFontDatabase::releaseHandle(void *handle) -

125 { -

126 FontFile *file = static_cast<FontFile *>(handle); -

127 delete file; -

128 } -

129 -

130 extern FT_Library qt_getFreetype(); -

131 -

132 QStringList QBasicFontDatabase::addTTFile(const QByteArray &fontData, const QByteArray &file) -

133 { -

134 FT_Library library = qt_getFreetype(); -

135 -

136 int index = 0; -

137 int numFaces = 0; -

138 QStringList families; -

139 do { -

140 FT_Face face; -

141 FT_Error error; -

142 if (!fontData.isEmpty()) { -

143 error = FT_New_Memory_Face(library, (const FT_Byte *)fontData.constData(), fontData.size(), index, &face); -

144 } else { -

145 error = FT_New_Face(library, file.constData(), index, &face); -

146 } -

147 if (error != FT_Err_Ok) { -

148 QMessageLogger(__FILE__, 191198, __PRETTY_FUNCTION__).debug() << "FT_New_Face failed with index" << index << ':' << hex << error; -

149 break; -

150 } -

151 numFaces = face->num_faces; -

152 -

153 QFont::Weight weight = QFont::Normal; -

154 -

155 QFont::Style style = QFont::StyleNormal; -

156 if (face->style_flags & ( 1 << 0 )) -

157 style = QFont::StyleItalic; -

158 -

159 if (face->style_flags & ( 1 << 1 )) -

160 weight = QFont::Bold; -

161 -

162 bool fixedPitch = (face->face_flags & ( 1L << 2 )); -

163 -

164 QSupportedWritingSystems writingSystems; -

165 -

166 for (int i = 0; i < face->num_charmaps; ++i) { -

167 FT_CharMap cm = face->charmaps[i]; -

168 if (cm->encoding == FT_ENCODING_ADOBE_CUSTOM -

169 || cm->encoding == FT_ENCODING_MS_SYMBOL) { -

170 writingSystems.setSupported(QFontDatabase::Symbol); -

171 break; -

172 } -

173 } -

174 -

175 TT_OS2 *os2 = (TT_OS2 *)FT_Get_Sfnt_Table(face, ft_sfnt_os2); -

176 if (os2) { -

177 quint32 unicodeRange[4] = { -

178 quint32(os2->ulUnicodeRange1), -

179 quint32(os2->ulUnicodeRange2), -

180 quint32(os2->ulUnicodeRange3), -

181 quint32(os2->ulUnicodeRange4) -

182 }; -

183 quint32 codePageRange[2] = { -

184 quint32(os2->ulCodePageRange1), -

185 quint32(os2->ulCodePageRange2) -

186 }; -

187 -

188 writingSystems = QPlatformFontDatabase::writingSystemsFromTrueTypeBits(unicodeRange, codePageRange); -

189 -

190 if (os2->usWeightClass) { -

191 weight = QPlatformFontDatabase::weightFromInteger(os2->usWeightClass); -

192 } else if (os2->panose[2]) { -

193 int w = os2->panose[2]; -

194 if (w <= 1) -

195 weight = QFont::Thin; -

196 else if (w <= 2) -

197 weight = QFont::ExtraLight; -

198 else if (w <= 3) -

199 weight = QFont::Light; -

200 else if (w <= 5) -

201 weight = QFont::Normal; -

202 else if (w <= 6) -

203 weight = QFont::Medium; -

204 else if (w <= 7) -

205 weight = QFont::DemiBold; -

206 else if (w <= 8) -

207 weight = QFont::Bold; -

208 else if (w <= 9) -

209 weight = QFont::ExtraBold; -

210 else if (w <= 10) -

211 weight = QFont::Black; -

212 } -

213 } -

214 -

215 QString family = QString::fromLatin1(face->family_name); -

216 FontFile *fontFile = new FontFile; -

217 fontFile->fileName = QFile::decodeName(file); -

218 fontFile->indexValue = index; -

219 -

220 QFont::Stretch stretch = QFont::Unstretched; -

221 -

222 registerFont(family,QString::fromLatin1(face->style_name),QString(),weight,style,stretch,true,true,0,fixedPitch,writingSystems,fontFile); -

223 -

224 families.append(family); -

225 -

226 FT_Done_Face(face); -

227 ++index; -

228 } while (index < numFaces); -

229 return families; -

230 } -

231 -

232 -

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