Draw a squiggly line that approximately covers the given rectangle in the style of an underline used to indicate a spelling error.
The width of the underline is rounded to an integer number of up/down segments and the resulting rectangle is centered in the original rectangle.
This should be called while this is already active. Use [[email protected]] to activate a renderer.
| this |
a `PangoRenderer` |
| x |
X coordinate of underline, in Pango units in user coordinate system |
| y |
Y coordinate of underline, in Pango units in user coordinate system |
| width |
width of underline, in Pango units in user coordinate system |
| height |
height of underline, in Pango units in user coordinate system |