static void ApplierCallback (IntPtr info, IntPtr element_ptr)
{
GCHandle gch = GCHandle.FromIntPtr (info);
CGPathElement element = new CGPathElement (Marshal.ReadInt32 (element_ptr, 0));
ApplierFunction func = (ApplierFunction) gch.Target;
IntPtr ptr = Marshal.ReadIntPtr (element_ptr, 4);
int ptsize = Marshal.SizeOf (typeof (PointF));
switch (element.Type){
case CGPathElementType.CloseSubpath:
break;
case CGPathElementType.MoveToPoint:
case CGPathElementType.AddLineToPoint:
element.Point1 = (PointF) Marshal.PtrToStructure (ptr, typeof (PointF));
break;
case CGPathElementType.AddQuadCurveToPoint:
element.Point1 = (PointF) Marshal.PtrToStructure (ptr, typeof (PointF));
element.Point2 = (PointF) Marshal.PtrToStructure (((IntPtr) (((long)ptr) + ptsize)), typeof (PointF));
break;
case CGPathElementType.AddCurveToPoint:
element.Point1 = (PointF) Marshal.PtrToStructure (ptr, typeof (PointF));
element.Point2 = (PointF) Marshal.PtrToStructure (((IntPtr) (((long)ptr) + ptsize)), typeof (PointF));
element.Point3 = (PointF) Marshal.PtrToStructure (((IntPtr) (((long)ptr) + (2*ptsize))), typeof (PointF));
break;
}
func (element);
}
