PATH Mac OS 8 and 9 Developer Documentation > Text and Other International Services > Apple Type Services for Unicode Imaging (ATSUI) > Apple Type Services for Unicode Imaging Reference

Copying Style Contents

ATSUI provides the following functions for copying style contents:

ATSUCopyAttributes copies the entire contents of a style object into an existing style object.
ATSUOverwriteAttributes copies previously set style run attributes, font features, and font variations from one style object into another.
ATSUUnderwriteAttributes copies those style run attributes, font features, and font variations that were previously set in the source style object but not set in the destination style object.