bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
bool fixedWidthOnly)
{
//
// From Apple's QA 1471 http://developer.apple.com/qa/qa2006/qa1471.html
//
ATSFontFamilyIterator theFontFamilyIterator = NULL;
ATSFontFamilyRef theATSFontFamilyRef = 0;
OSStatus status = noErr;
wxArrayString fontFamilies ;
// Create the iterator
status = ATSFontFamilyIteratorCreate(kATSFontContextLocal, nil,nil,
kATSOptionFlagsUnRestrictedScope,
&theFontFamilyIterator );
wxUint32 macEncoding = wxMacGetSystemEncFromFontEnc(encoding) ;
while (status == noErr)
{
// Get the next font in the iteration.
status = ATSFontFamilyIteratorNext( theFontFamilyIterator, &theATSFontFamilyRef );
if(status == noErr)
{
#ifndef __LP64__
// TODO CS : Find replacement
// added CS : avoid showing fonts that won't be displayable
FMFontStyle intrinsicStyle = 0 ;
FMFont fontInstance ;
FMFontFamily fmFamily = FMGetFontFamilyFromATSFontFamilyRef( theATSFontFamilyRef );
status = FMGetFontFromFontFamilyInstance( fmFamily , 0 , &fontInstance , &intrinsicStyle);
if ( status != noErr )
{
status = noErr;
continue ;
}
#endif
if ( encoding != wxFONTENCODING_SYSTEM )
{
TextEncoding fontFamiliyEncoding = ATSFontFamilyGetEncoding(theATSFontFamilyRef) ;
if ( fontFamiliyEncoding != macEncoding )
continue ;
}
// TODO: determine fixed widths ...
CFStringRef theName = NULL;
ATSFontFamilyGetName(theATSFontFamilyRef, kATSOptionFlagsDefault, &theName);
wxMacCFStringHolder cfName(theName) ;
fontFamilies.Add(cfName.AsString(wxLocale::GetSystemEncoding()));
}
else if (status == kATSIterationScopeModified) // Make sure the font database hasnÕt changed.
{
// reset the iterator
status = ATSFontFamilyIteratorReset (kATSFontContextLocal, nil, nil,
kATSOptionFlagsUnRestrictedScope,
&theFontFamilyIterator);
fontFamilies.Clear() ;
}
}
ATSFontFamilyIteratorRelease(&theFontFamilyIterator);
for ( size_t i = 0 ; i < fontFamilies.Count() ; ++i )
{
if ( OnFacename( fontFamilies[i] ) == false )
break ;
}
return true;
}
void QFontDatabase::load(const QFontPrivate *d, int script)
{
// sanity checks
if(!qApp)
qWarning("QFont: Must construct a QApplication before a QFont");
Q_ASSERT(script >= 0 && script < QUnicodeTables::ScriptCount);
Q_UNUSED(script);
QFontDef req = d->request;
req.pixelSize = qt_mac_pixelsize(req, d->dpi);
// set the point size to 0 to get better caching
req.pointSize = 0;
QFontCache::Key key = QFontCache::Key(req, QUnicodeTables::Common, d->screen);
if(!(d->engineData = QFontCache::instance()->findEngineData(key))) {
d->engineData = new QFontEngineData;
QFontCache::instance()->insertEngineData(key, d->engineData);
} else {
d->engineData->ref.ref();
}
if(d->engineData->engine) // already loaded
return;
// set it to the actual pointsize, so QFontInfo will do the right thing
req.pointSize = qRound(qt_mac_pointsize(d->request, d->dpi));
QFontEngine *e = QFontCache::instance()->findEngine(key);
if(!e && qt_enable_test_font && req.family == QLatin1String("__Qt__Box__Engine__")) {
e = new QTestFontEngine(req.pixelSize);
e->fontDef = req;
}
if(e) {
e->ref.ref();
d->engineData->engine = e;
return; // the font info and fontdef should already be filled
}
//find the font
QStringList family_list = familyList(req);
const char *stylehint = styleHint(req);
if (stylehint)
family_list << QLatin1String(stylehint);
// add QFont::defaultFamily() to the list, for compatibility with
// previous versions
family_list << QApplication::font().defaultFamily();
ATSFontFamilyRef familyRef = 0;
ATSFontRef fontRef = 0;
QMutexLocker locker(fontDatabaseMutex());
QFontDatabasePrivate *db = privateDb();
if (!db->count)
initializeDb();
for(int i = 0; i < family_list.size(); ++i) {
for (int k = 0; k < db->count; ++k) {
if (db->families[k]->name.compare(family_list.at(i), Qt::CaseInsensitive) == 0) {
QByteArray family_name = db->families[k]->name.toUtf8();
familyRef = ATSFontFamilyFindFromName(QCFString(db->families[k]->name), kATSOptionFlagsDefault);
if (familyRef) {
fontRef = ATSFontFindFromName(QCFString(db->families[k]->name), kATSOptionFlagsDefault);
goto FamilyFound;
} else {
#if defined(QT_MAC_USE_COCOA)
// ATS and CT disagrees on what the family name should be,
// use CT to look up the font if ATS fails.
QCFString familyName = QString::fromAscii(family_name);
QCFType<CTFontRef> CTfontRef = CTFontCreateWithName(familyName, 12, NULL);
QCFType<CTFontDescriptorRef> fontDescriptor = CTFontCopyFontDescriptor(CTfontRef);
QCFString displayName = (CFStringRef)CTFontDescriptorCopyAttribute(fontDescriptor, kCTFontDisplayNameAttribute);
familyRef = ATSFontFamilyFindFromName(displayName, kATSOptionFlagsDefault);
if (familyRef) {
fontRef = ATSFontFindFromName(displayName, kATSOptionFlagsDefault);
goto FamilyFound;
}
#endif
}
}
}
}
FamilyFound:
//fill in the engine's font definition
QFontDef fontDef = d->request; //copy..
if(fontDef.pointSize < 0)
fontDef.pointSize = qt_mac_pointsize(fontDef, d->dpi);
else
fontDef.pixelSize = qt_mac_pixelsize(fontDef, d->dpi);
#if 0
ItemCount name_count;
if(ATSUCountFontNames(fontID, &name_count) == noErr && name_count) {
ItemCount actualName_size;
if(ATSUGetIndFontName(fontID, 0, 0, 0, &actualName_size, 0, 0, 0, 0) == noErr && actualName_size) {
QByteArray actualName(actualName_size);
if(ATSUGetIndFontName(fontID, 0, actualName_size, actualName.data(), &actualName_size, 0, 0, 0, 0) == noErr && actualName_size)
fontDef.family = QString::fromUtf8(actualName);
}
}
#else
{
QCFString actualName;
if(ATSFontFamilyGetName(familyRef, kATSOptionFlagsDefault, &actualName) == noErr)
fontDef.family = actualName;
}
#endif
#ifdef QT_MAC_USE_COCOA
QFontEngine *engine = new QCoreTextFontEngineMulti(familyRef, fontRef, fontDef, d->kerning);
#elif 1
QFontEngine *engine = new QFontEngineMacMulti(familyRef, fontRef, fontDef, d->kerning);
#else
ATSFontFamilyRef atsFamily = familyRef;
ATSFontFamilyRef atsFontRef = fontRef;
FMFont fontID;
FMFontFamily fmFamily;
FMFontStyle fntStyle = 0;
fmFamily = FMGetFontFamilyFromATSFontFamilyRef(atsFamily);
if (fmFamily == kInvalidFontFamily) {
// Use the ATSFont then...
fontID = FMGetFontFromATSFontRef(atsFontRef);
} else {
if (fontDef.weight >= QFont::Bold)
fntStyle |= ::bold;
if (fontDef.style != QFont::StyleNormal)
fntStyle |= ::italic;
FMFontStyle intrinsicStyle;
FMFont fnt = 0;
if (FMGetFontFromFontFamilyInstance(fmFamily, fntStyle, &fnt, &intrinsicStyle) == noErr)
fontID = FMGetATSFontRefFromFont(fnt);
}
OSStatus status;
const int maxAttributeCount = 5;
ATSUAttributeTag tags[maxAttributeCount + 1];
ByteCount sizes[maxAttributeCount + 1];
ATSUAttributeValuePtr values[maxAttributeCount + 1];
int attributeCount = 0;
Fixed size = FixRatio(fontDef.pixelSize, 1);
tags[attributeCount] = kATSUSizeTag;
sizes[attributeCount] = sizeof(size);
values[attributeCount] = &size;
++attributeCount;
tags[attributeCount] = kATSUFontTag;
sizes[attributeCount] = sizeof(fontID);
values[attributeCount] = &fontID;
++attributeCount;
CGAffineTransform transform = CGAffineTransformIdentity;
if (fontDef.stretch != 100) {
transform = CGAffineTransformMakeScale(float(fontDef.stretch) / float(100), 1);
tags[attributeCount] = kATSUFontMatrixTag;
sizes[attributeCount] = sizeof(transform);
values[attributeCount] = &transform;
++attributeCount;
}
ATSUStyle style;
status = ATSUCreateStyle(&style);
Q_ASSERT(status == noErr);
Q_ASSERT(attributeCount < maxAttributeCount + 1);
status = ATSUSetAttributes(style, attributeCount, tags, sizes, values);
Q_ASSERT(status == noErr);
QFontEngine *engine = new QFontEngineMac(style, fontID, fontDef, /*multiEngine*/ 0);
ATSUDisposeStyle(style);
#endif
d->engineData->engine = engine;
engine->ref.ref(); //a ref for the engineData->engine
QFontCache::instance()->insertEngine(key, engine);
}
QFontEngineMacMulti::QFontEngineMacMulti(const ATSFontFamilyRef &atsFamily, const ATSFontRef &atsFontRef, const QFontDef &fontDef, bool kerning)
: QFontEngineMulti(0)
{
this->fontDef = fontDef;
this->kerning = kerning;
FMFontFamily fmFamily;
FMFontStyle fntStyle = 0;
fmFamily = FMGetFontFamilyFromATSFontFamilyRef(atsFamily);
if (fmFamily == kInvalidFontFamily) {
// Use the ATSFont then...
fontID = FMGetFontFromATSFontRef(atsFontRef);
} else {
if (fontDef.weight >= QFont::Bold)
fntStyle |= ::bold;
if (fontDef.style != QFont::StyleNormal)
fntStyle |= ::italic;
FMFontStyle intrinsicStyle;
FMFont fnt = 0;
if (FMGetFontFromFontFamilyInstance(fmFamily, fntStyle, &fnt, &intrinsicStyle) == noErr)
fontID = FMGetATSFontRefFromFont(fnt);
}
OSStatus status;
status = ATSUCreateTextLayout(&textLayout);
Q_ASSERT(status == noErr);
const int maxAttributeCount = 5;
ATSUAttributeTag tags[maxAttributeCount + 1];
ByteCount sizes[maxAttributeCount + 1];
ATSUAttributeValuePtr values[maxAttributeCount + 1];
int attributeCount = 0;
Fixed size = FixRatio(fontDef.pixelSize, 1);
tags[attributeCount] = kATSUSizeTag;
sizes[attributeCount] = sizeof(size);
values[attributeCount] = &size;
++attributeCount;
tags[attributeCount] = kATSUFontTag;
sizes[attributeCount] = sizeof(fontID);
values[attributeCount] = &this->fontID;
++attributeCount;
transform = CGAffineTransformIdentity;
if (fontDef.stretch != 100) {
transform = CGAffineTransformMakeScale(float(fontDef.stretch) / float(100), 1);
tags[attributeCount] = kATSUFontMatrixTag;
sizes[attributeCount] = sizeof(transform);
values[attributeCount] = &transform;
++attributeCount;
}
status = ATSUCreateStyle(&style);
Q_ASSERT(status == noErr);
Q_ASSERT(attributeCount < maxAttributeCount + 1);
status = ATSUSetAttributes(style, attributeCount, tags, sizes, values);
Q_ASSERT(status == noErr);
QFontEngineMac *fe = new QFontEngineMac(style, fontID, fontDef, this);
fe->ref.ref();
engines.append(fe);
}