| Surface | The Surface to draw the shape on. |
| color | A 3 or 4 integer sequence representing red, green and blue (and alpha), each value ranging between 0-255. |
| Rect | A rectangular area where the shape will be drawn to. |
| width | The width of the lines. The shape will be filled if width=0. |
| pointlist | A list of an arbitrary amount of points/vertices, in pixels (x, y). |
| pos | The position of the center of the circle, in pixels (x, y). |
| radius | The circles radius in pixels. |
| closed | If true, a line between last and first point will be drawn, closing the shape. |
| blend=1 | If true, the shades will be blended with existing pixel shades instead of overwriting them. |
| start_angle | The initial angle of the arc, in radians. |
| stop_angle | The final angle of the arc, in radians. |
| start_pos | The starting position of the line, in pixels. |
| end_pos | The end position of the line, in pixels |
