static void initWritingSystems(QtFontFamily *family, ATSFontRef atsFont)
{
ByteCount length = 0;
if (ATSFontGetTable(atsFont, MAKE_TAG('O', 'S', '/', '2'), 0, 0, 0, &length) != noErr)
return;
QVarLengthArray<uchar> os2Table(length);
if (length < 86
|| ATSFontGetTable(atsFont, MAKE_TAG('O', 'S', '/', '2'), 0, length, os2Table.data(), &length) != noErr)
return;
// See also qfontdatabase_win.cpp, offsets taken from OS/2 table in the TrueType spec
quint32 unicodeRange[4] = {
qFromBigEndian<quint32>(os2Table.data() + 42),
qFromBigEndian<quint32>(os2Table.data() + 46),
qFromBigEndian<quint32>(os2Table.data() + 50),
qFromBigEndian<quint32>(os2Table.data() + 54)
};
quint32 codePageRange[2] = { qFromBigEndian<quint32>(os2Table.data() + 78), qFromBigEndian<quint32>(os2Table.data() + 82) };
QList<QFontDatabase::WritingSystem> systems = qt_determine_writing_systems_from_truetype_bits(unicodeRange, codePageRange);
#if 0
QCFString name;
ATSFontGetName(atsFont, kATSOptionFlagsDefault, &name);
qDebug() << systems.count() << "writing systems for" << QString(name);
qDebug() << "first char" << hex << unicodeRange[0];
for (int i = 0; i < systems.count(); ++i)
qDebug() << QFontDatabase::writingSystemName(systems.at(i));
#endif
for (int i = 0; i < systems.count(); ++i)
family->writingSystems[systems.at(i)] = QtFontFamily::Supported;
}
static
void addFontToDatabase(QString familyName, const QString &scriptName,
TEXTMETRIC *textmetric,
const FONTSIGNATURE *signature,
int type)
{
const int script = -1;
const QString foundryName;
Q_UNUSED(script);
bool italic = false;
int weight;
bool fixed;
bool ttf;
bool scalable;
int size;
// QString escript = QString::fromWCharArray(f->elfScript);
// qDebug("script=%s", escript.latin1());
NEWTEXTMETRIC *tm = (NEWTEXTMETRIC *)textmetric;
fixed = !(tm->tmPitchAndFamily & TMPF_FIXED_PITCH);
ttf = (tm->tmPitchAndFamily & TMPF_TRUETYPE);
scalable = tm->tmPitchAndFamily & (TMPF_VECTOR|TMPF_TRUETYPE);
size = scalable ? SMOOTH_SCALABLE : tm->tmHeight;
italic = tm->tmItalic;
weight = tm->tmWeight;
// the "@family" fonts are just the same as "family". Ignore them.
if (familyName[0] != QLatin1Char('@') && !familyName.startsWith(QLatin1String("WST_"))) {
QtFontStyle::Key styleKey;
styleKey.style = italic ? QFont::StyleItalic : QFont::StyleNormal;
styleKey.weight = weightFromInteger(weight);
QtFontFamily *family = privateDb()->family(familyName, true);
if(ttf && localizedName(familyName) && family->english_name.isEmpty())
family->english_name = getEnglishName(familyName);
QtFontFoundry *foundry = family->foundry(foundryName, true);
QtFontStyle *style = foundry->style(styleKey, QString(), true);
style->smoothScalable = scalable;
style->pixelSize( size, TRUE);
// add fonts windows can generate for us:
if (styleKey.weight <= QFont::DemiBold) {
QtFontStyle::Key key(styleKey);
key.weight = QFont::Bold;
QtFontStyle *style = foundry->style(key, QString(), true);
style->smoothScalable = scalable;
style->pixelSize( size, TRUE);
}
if (styleKey.style != QFont::StyleItalic) {
QtFontStyle::Key key(styleKey);
key.style = QFont::StyleItalic;
QtFontStyle *style = foundry->style(key, QString(), true);
style->smoothScalable = scalable;
style->pixelSize( size, TRUE);
}
if (styleKey.weight <= QFont::DemiBold && styleKey.style != QFont::StyleItalic) {
QtFontStyle::Key key(styleKey);
key.weight = QFont::Bold;
key.style = QFont::StyleItalic;
QtFontStyle *style = foundry->style(key, QString(), true);
style->smoothScalable = scalable;
style->pixelSize( size, TRUE);
}
family->fixedPitch = fixed;
if (!family->writingSystemCheck && type & TRUETYPE_FONTTYPE) {
quint32 unicodeRange[4] = {
signature->fsUsb[0], signature->fsUsb[1],
signature->fsUsb[2], signature->fsUsb[3]
};
#ifdef Q_WS_WINCE
if (signature->fsUsb[0] == 0) {
// If the unicode ranges bit mask is zero then
// EnumFontFamiliesEx failed to determine it properly.
// In this case we just pretend that the font supports all languages.
unicodeRange[0] = 0xbfffffff; // second most significant bit must be zero
unicodeRange[1] = 0xffffffff;
unicodeRange[2] = 0xffffffff;
unicodeRange[3] = 0xffffffff;
}
#endif
quint32 codePageRange[2] = {
signature->fsCsb[0], signature->fsCsb[1]
};
QList<QFontDatabase::WritingSystem> systems = qt_determine_writing_systems_from_truetype_bits(unicodeRange, codePageRange);
for (int i = 0; i < systems.count(); ++i) {
QFontDatabase::WritingSystem writingSystem = systems.at(i);
// ### Hack to work around problem with Thai text on Windows 7. Segoe UI contains
// the symbol for Baht, and Windows thus reports that it supports the Thai script.
// Since it's the default UI font on this platform, most widgets will be unable to
// display Thai text by default. As a temporary work around, we special case Segoe UI
// and remove the Thai script from its list of supported writing systems.
if (writingSystem != QFontDatabase::Thai || familyName != QLatin1String("Segoe UI"))
family->writingSystems[writingSystem] = QtFontFamily::Supported;
}
} else if (!family->writingSystemCheck) {
//qDebug("family='%s' script=%s", family->name.latin1(), script.latin1());
if (scriptName == QLatin1String("Western")
|| scriptName == QLatin1String("Baltic")
|| scriptName == QLatin1String("Central European")
|| scriptName == QLatin1String("Turkish")
|| scriptName == QLatin1String("Vietnamese"))
family->writingSystems[QFontDatabase::Latin] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("Thai"))
family->writingSystems[QFontDatabase::Thai] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("Symbol")
|| scriptName == QLatin1String("Other"))
family->writingSystems[QFontDatabase::Symbol] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("OEM/Dos"))
family->writingSystems[QFontDatabase::Latin] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("CHINESE_GB2312"))
family->writingSystems[QFontDatabase::SimplifiedChinese] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("CHINESE_BIG5"))
family->writingSystems[QFontDatabase::TraditionalChinese] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("Cyrillic"))
family->writingSystems[QFontDatabase::Cyrillic] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("Hangul"))
family->writingSystems[QFontDatabase::Korean] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("Hebrew"))
family->writingSystems[QFontDatabase::Hebrew] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("Greek"))
family->writingSystems[QFontDatabase::Greek] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("Japanese"))
family->writingSystems[QFontDatabase::Japanese] = QtFontFamily::Supported;
else if (scriptName == QLatin1String("Arabic"))
family->writingSystems[QFontDatabase::Arabic] = QtFontFamily::Supported;
}
}
}
