On 25 Mar 2010, at 10:16, Jerry Krinock <je...@ieee.org> wrote:

> The font cascade list is mentioned briefly in "Core Text Programming Guide", 
> but there is no clue as to how to access it.
> 
> Any documentation references on these topics would be appreciated!

I have no documentation references but I do it like this:

        NSFont *font = ... something...
        NSString *thaiFont = [ font isFixedPitch ] ? @"Ayuthaya" : @"Thonburi";
        CGFloat size = [ font pointSize ];
        NSFontDescriptor *fode2 = [ NSFontDescriptor fontDescriptorWithName: 
thaiFont size: size ];
        NSArray *fodArray = [ NSArray arrayWithObject: fode2 ];
        NSDictionary *fodDict = [ NSDictionary dictionaryWithObject: fodArray 
forKey: NSFontCascadeListAttribute ];                                           
                                          
        NSFontDescriptor *fode1 = [ font fontDescriptor ];
        NSFontDescriptor *fofo = [ fode1 fontDescriptorByAddingAttributes: 
fodDict ];
        NSFont *aFont = [ NSFont fontWithDescriptor: fofo size: size ];
        if ( aFont == nil )     ... error handling
        font = aFont;

Kind regards,

Gerriet.

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