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Character Alternatives Feature Type

The character alternatives feature type (kCharacterAlternativesType) specifies any font-specific set of alternate glyph forms. This feature type gives a font a very general way to provide different sets of glyphs. Sets are numbered sequentially. For a font that supports the character alternates feature type, you can select, by number, any of the sets it provides. Figure B-3 shows the character “g,” first drawn using the default glyph for the font, then drawn using an alternate glyph form provided by the font.


Figure B-3  The character “g” shown as two glyph forms

The character “g” shown as two glyph forms

The character alternative feature type is a noncontextual, exclusive feature type. Table B-4 lists the only defined selector for this feature.

Table B-4  Selector for the character alternatives feature

Feature selector

Description

kNoAlternativesSelector

Specifies that no character alternatives are to be used. This is the default setting.



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Last updated: 2007-07-10

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