Retrieves a particular line from a `PangoLayout`.
Use the faster [[email protected]_line_readonly] if you do not plan to modify the contents of the line (glyphs, glyph widths, etc.) .
| this |
a `PangoLayout` |
| line |
the index of a line, which must be between 0 and `pango_layout_get_line_count(layout) - 1`, inclusive. |
|
the requested `PangoLayoutLine`, or null if the index is out of range. This layout line can be ref'ed and retained, but will become invalid if changes are made to the `PangoLayout`. |