Copies a range of glyph positions into a user-provided buffer.
- iOS 3.2+
- macOS 10.5+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
- Core Text
The run from which to copy glyph positions.
The range of glyph positions to copy. If the length of the range is set to
0, then the copy operation will continue from the start index of the range to the end of the run.
The buffer to which the glyph positions are copied. The buffer must be allocated to at least the value specified by the range's length.