| Name | Value | Description |
| kBSplineCurve2d | 5256 | Curve2d bspline type. |
| kCircleCurve2d | 5252 | Curve2d circle type. |
| kCircularArcCurve2d | 5253 | Curve2d circular arc type. |
| kEllipseFullCurve2d | 5254 | Curve2d ellipse full type. |
| kEllipticalArcCurve2d | 5255 | Curve2d elliptical arc type. |
| kLineCurve2d | 5250 | Curve2d line type. |
| kLineSegmentCurve2d | 5251 | Curve2d line segment type. |
| kPolylineCurve2d | 5257 | Curve2d polyline type. |
| kUnknownCurve2d | 5249 | Curve2d unknown type. |