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ATSUCountFontFeatureSelectors |
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Header: | ATSUnicode.h | Carbon status: | Supported | |
Determines the number of feature selectors defined for a given feature type in a font.
OSStatus ATSUCountFontFeatureSelectors ( ATSUFontID iFont, ATSUFontFeatureType iType, ItemCount *oSelectorCount );
The ID of the font whose feature selectors you want to count.
A valid feature type whose selectors you want to count.
On return, a pointer to the number of feature selectors defined for the feature type in the font. You cannot pass NULL for this parameter.
A result code. The result code kATSUInvalidFontErr indicates that the ID does not correspond to any installed font.
The ATSUCountFontFeatureSelectors function determines the total number of feature selectors defined for a given feature type. You can use the count passed back in the oSelectorCount parameter to determine how much memory to allocate for the oSelectors array in the function ATSUGetFontFeatureSelectors.
Available beginning with ATSUI 1.0.
Supported in Carbon. Available in Carbon 1.0.2 and later when running Mac OS 8.5 or later.
© 2000 Apple Computer, Inc. (Last Updated 6/30/2000)