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Glyph Direction Constants |
Header: ATSUnicode.h |
enum { kATSULeftToRightBaseDirection = 0, kATSURightToLeftBaseDirection = 1 };
Imposes left-to-right direction on glyphs in a line of horizontal text; for vertical text, imposes top-to-bottom direction.
Imposes right-to-left direction on glyphs in a line of horizontal text; for vertical text, imposes bottom-to-top direction.
You can use one of these constants to set or obtain glyph direction in a line of text or an entire text layout object, regardless of their font-specified direction; see the functions ATSUSetLayoutControls, ATSUSetLineControls, ATSUGetLayoutControl, and ATSUGetLineControl.
Available beginning with ATSUI 1.0.
© 2000 Apple Computer, Inc. (Last Updated 6/30/2000)