ATSUI Programming Guide: Ruby Kana Feature Type

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Ruby Kana Feature Type

Ruby text is a run of text associated with another run of text (the base text), usually used to annotate the base text. Ruby text is often used to provide annotations or indicate pronunciation for Asian languages. Figure B-18 shows ruby text—characters drawn in a smaller point size placed above the base text.

Figure B-18 Ruby text above the base text

You can select or deselect ruby variant kana glyphs for the Hiragino font by using the ruby kana feature type (kRubyKanaType) with the selectors such as shown in Table B-21.

**Table B-21** Selectors for the ruby kana feature type
Feature selector	Description
`kRubyKanaOffSelector`	Do not use ruby variant glyphs. This is the default setting.
`kRubyKanaOnSelector`	Use ruby variant glyphs.
`kNoRubyKanaSelector`	Do not use ruby variant glyphs. This is deprecated; instead use `kRubyKanaOffSelector`.
`kRubyKanaSelector`	Use ruby variant glyphs. This is deprecated; instead use `kRubyKanaOnSelector`.

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Last updated: 2007-07-10

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