Draws a trapezoid with the parallel sides aligned with the X axis using the given `PangoRenderer`; coordinates are in device space.
| this |
a `PangoRenderer` |
| part |
type of object this trapezoid is part of |
| y1_ |
Y coordinate of top of trapezoid |
| x11 |
X coordinate of left end of top of trapezoid |
| x21 |
X coordinate of right end of top of trapezoid |
| y2 |
Y coordinate of bottom of trapezoid |
| x12 |
X coordinate of left end of bottom of trapezoid |
| x22 |
X coordinate of right end of bottom of trapezoid |