GraphicActiveOld

The centre of the bounding rectangle. consider also using cenDefault.

The bounding Rectangle provides an initial exclusion test as to whether the pointer is inside the polygon / shape

The width of the BoundingRect of this object.

If the geometric element has a defined centre then the cenDefault uses that, else it defaults to the centre of the bounding rectangle.

The Pointer Identity is returned to the GUI application if the user mouse (or other pointing device, clicks within the polygon or shape It is purely up to the application to encode, its response if any to this object.

The definitive test as to whether the mouse pointer is inside the polygon / shape

Renders this functional immutable GraphicElem, using the imperative methods of the abstract pCanv.CanvasPlatform interface.