Available in LEADTOOLS Vector Imaging toolkits.
The following classes are derived directly from the LVectorObject class:
LVectorArc
LVectorChord
LVectorCircle
LVectorEllipse
LvectorEllipticalArc
LVectorLine
LVectorPie
LVectorPolybezier
LVectorPolydraw
LVectorPolygon
LVectorPolyline
LVectorRaster
LVectorRectangle
LVectorStock
LVectorText
LVectorVertex