Calculates line fragment rectangle, line fragment used rectangle, and remaining rectangle for a line fragment.
- macOS 10.4+
On return, the calculated line fragment rectangle.
On return, the used rectangle (the portion of the line fragment rectangle that actually contains marks).
On return, the remaining rectangle of
The glyph index where the line fragment starts.
The proposed rectangle of the line fragment.
The line spacing.
The spacing before the paragraph.
The spacing after the paragraph.
The height of the line fragment is determined using
paragraph as well as
proposed. The width for
line is set to the
line width. In the standard implementation, paragraph spacing is included in the line fragment rectangle but not the line fragment used rectangle; line spacing is included in both.