Returns the text matrix needed to draw this run.
- iOS 3.2+
- macOS 10.5+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The run object from which to get the text matrix.
To properly draw the glyphs in a run, the fields
ty of the
CGAffineTransform returned by this function should be set to the current text position.
Drawing the Glyph Run
Draws a complete run or part of one.