Draws an ellipse on the current context using the specified line options and pattern.
The ellipse can only draw ellipses with its major axis parallel with either the X or Y coordinate axis.
| xc |
the X coordinate of the center of the ellipse |
| yc |
the Y coordinate of the center of the ellipse |
| rx |
the radius in the X direction |
| ry |
the radius in the Y direction |
| o |
the line options |
| p |
the pixmap |