Lays out glyphs in the specified layout manager starting at a specified glyph.
- macOS 10.0+
The layout manager in which to lay out glyphs.
The index of the starting glyph.
The maximum number of lines to generate. Fewer lines may be laid out if the glyph storage runs out of glyphs.
On return, set to the index of the next glyph that needs to be laid out.