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Text Spacing Feature Type

The text spacing feature type (kTextSpacingType) specifies whether to use proportional, monospaced, or half-width forms of glyphs for characters in a font. Use of this feature is optional; for more precise control see “Kana Spacing Feature Type”t and “Ideographic Spacing Feature Type .”

Figure B-20 shows text drawn using the text spacing feature type. The first line uses the default text spacing for the font, which is proportional. The next line uses the monospaced text selector. The last line is drawn using the proportional text spacing selector, which in this case, is the same as the default.


Figure B-20  Normal, monospaced, and proportional text spacing

Normal, monospaced, and proportional text spacing

Table B-24 lists the selectors for the text spacing feature type. It is a noncontextual feature.

Table B-24  Selectors for the text spacing feature

Feature selector

Description

kProportionalTextSelector

Specifies the use of proportional forms of characters. This is the default setting.

kMonospacedTextSelector

Specifies the use of monospaced forms of characters.

kHalfWidthTextSelector

Specifies the use of half-width forms of characters.



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Last updated: 2007-07-10

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