Curve-output functions create simple and complex curves with the selected pen. The following list briefly describes each line-output function:
| Function | Description |
| AngleArc | Draws the specified portion of a circle |
| Arc | Draws an arc |
| ArcTo | Draws an arc, updating the current position |
| Chord | Draws a chord |
| Ellipse | Draws an ellipse |
| Pie | Draws a pie |
| PolyBezier | Draws one or more bezier curves |
| PolyBezierTo | Draws one or more bezier curves using current position |
| SetFlat | Sets the flatness of curves |