Draws a single line of an pixmap on the current context starting at x, y.
The pixmap can be offset from the line by specifying x0, y0 different from x, y. The
pixmap is repeated if the width of the line is greater than the width of the pixmap.
| x0 |
the alignment X coordinate |
| y0 |
the alignment Y coordinate |
| x |
the top X coordinate |
| y |
the left Y coordinate |
| width |
the width of the line |
| p |
the pixmap |