Aki,
Many thanks for the reply. Taking your suggestion, I found three
possible routes to rewriting the function (given below). All seem to
work.
One uses NSFontManager and NSFont:
NSArray *fontNames = [[NSFontManager sharedFontManager] availableFonts];
for (NSString *fontName in fontNames) {
NSFont *f = [NSFont fontWithName:fontName size:0.0];
if ([[f coveredCharacterSet] isSupersetOfSet:cset]) {
[result addObject:f];
}
}
The second uses NSFontDescriptor and NSFont:
NSArray *fonts = [[NSFontDescriptor fontDescriptorWithFontAttributes:nil]
matchingFontDescriptorsWithMandatoryKeys:nil];
for (NSFontDescriptor *fd in fonts) {
NSFont *f = [NSFont fontWithDescriptor:fd size:0.0];
if ([[f coveredCharacterSet] isSupersetOfSet:cset]) {
[result addObject:f];
}
}
The third uses NSFontManager and NSFontDescriptor, and I think is the
closest to what you suggested:
NSArray *fontNames = [[NSFontManager sharedFontManager] availableFonts];
for (NSString *fontName in fontNames) {
NSFontDescriptor *fd =
[NSFontDescriptor fontDescriptorWithName:fontName size:0.0];
NSCharacterSet *s = [fd objectForKey:NSFontCharacterSetAttribute];
if ([s isSupersetOfSet:cset]) {
[result addObject:fd];
}
}
Is any to be preferred over the others? I note that the first one and
third find extra fonts: "AquaKana", "AquaKana-Bold", ".Keyboard",
"LastResort", and sometimes others, depending on the system.
Note as well that in the third, if I replace
NSCharacterSet *s = [fd objectForKey:NSFontCharacterSetAttribute];
by
NSCharacterSet *s =
[[fd fontAttributes] objectForKey:NSFontCharacterSetAttribute];
then s is NULL. Why?
And as a final note, passing "0123456789" to my original function does
indeed return a non-zero result. In fact, my original function seems to
return exactly the same results as the second function above (except in
the special cases I mentioned in my first post). Very curious. Any
idea why? Should I still file a bug report as you suggested?
Brian
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