Is there some reason you can't use -[NSFontManager convertFont:toHaveTrait:] ?
It "returns a font whose traits are the same as those of the given font, except
that the traits are changed to include the single specified trait."
So something like:
NSFont* myFont = [your code here];
NSFont* myItalicFont = [[NSFontManager sharedFontManager] convertFont:myFont
toHaveTrait:NSItalicFontMask];
_murat
On Dec 3, 2009, at 11:15 PM, Gerriet M. Denkmann wrote:
> I want an italic font corresponding to an existing font.
>
> I tried:
>
> NSFontDescriptor *fd1 = [ NSFontDescriptor fontDescriptorWithName:
> @"Times" size: textFontSize ];
> NSLog(@"%s text NSFontDescriptor %@",__FUNCTION__, fd1);
> // NSFontNameAttribute = Times; NSFontSizeAttribute = 16;
>
> fontText = [ NSFont fontWithDescriptor: fd1 size: textFontSize ];
> NSLog(@"%s text NSFont %@",__FUNCTION__, fontText);
> // "Times-Roman 16.00 pt. P [] (0x1190e0f90) fobj=0x1190e0590,
> spc=4.00"
>
> So far so good.
>
> Now I try to make the italic variant:
> NSFontSymbolicTraits symbolicTraits = NSFontItalicTrait;
> NSFontDescriptor *fdi = [ fd1 fontDescriptorWithSymbolicTraits:
> symbolicTraits ];
> NSLog(@"%s italic NSFontDescriptor %@",__FUNCTION__, fdi);
> // NSCTFontTraitsAttribute = { NSCTFontSymbolicTrait = 1; };
> NSFontSizeAttribute = 16;
> Note: NSFontNameAttribute has disappeared
> The documentation says: "Returns a new font descriptor that is the same as
> the receiver but with the specified symbolic traits taking precedence over
> the existing ones."
>
> italicText = [ NSFont fontWithDescriptor: fdi size: textFontSize ];
> NSLog(@"%s italic NSFont %@",__FUNCTION__, italicText);
> // "LucidaGrande 16.00 pt. P [] (0x1190e0f90) fobj=0x10046adb0,
> spc=5.06"
>
> This is comple nonsense: Lucida Grande is not italic and does not have an
> italic variant (only normal and bold).
>
> I would have expected something like Times-Italic.
>
> So: how to get an italic variant to a given font without hardcoding font
> names?
>
>
> Kind regards,
>
> Gerriet.
>
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