public OverlayCPView(OverlayControlPoint ocp) : base(ocp)
{
Width = 10;
Height = 10;
Fill = Brushes.Gray;
SetStdColor();
Canvas.SetZIndex(lineToOrigin1, -1);
Canvas.SetZIndex(lineToOrigin2, -1);
var sp1 = BindingFactory.CreateProvider(ocp, "Origin1", oc => oc.Origin1, false);
var sp2 = BindingFactory.CreateProvider(ocp, "Origin2", oc => oc.Origin2, false);
MyBindings.Add(sp1); MyBindings.Add(sp2);
MyBindings.Add(BindingFactory.CreateBindingSP(sp1, "BB", vm => UpdateLinePos(lineToOrigin1, vm.Center), () => lineToOrigin1.Visibility = Visibility.Collapsed, false));
MyBindings.Add(BindingFactory.CreateBindingSP(sp2, "BB", vm => UpdateLinePos(lineToOrigin2, vm.Center), () => lineToOrigin2.Visibility = Visibility.Collapsed, false));
MyBindings.Add(BindingFactory.CreateBinding(ocp, "BB", vm =>
{
if (vm.Origin1 != null)
{
UpdateLinePos(lineToOrigin1, vm.Origin1.Center);
}
if (vm.Origin2 != null)
{
UpdateLinePos(lineToOrigin2, vm.Origin2.Center);
}
}, null, false));
}
OverlayCPView NewCPView(OverlayControlPoint ocp)
{
OverlayCPView v = new OverlayCPView(ocp);
canvas1.Children.Add(v);
canvas1.Children.Add(v.lineToOrigin1);
canvas1.Children.Add(v.lineToOrigin2);
return(v);
}
public static void Draw(this OverlayControlPoint ocp, Graphics dc, int Height)
{
Pen p = ocp.IsSelected ? PensAndBrushes.OverlayNodeSelPen : PensAndBrushes.OverlayNodePen;
RectangleF lBB = ocp.BB.UpsideDown(Height).ToRectangleF();
// draw lines
if (ocp.Origin1 != null)
{
var L1Origin = ocp.Origin1.Center.UpsideDown(Height);
dc.DrawLine(PensAndBrushes.DashedPen, L1Origin.ToPointF(), lBB.Center());
}
if (ocp.Origin2 != null)
{
var L2Origin = ocp.Origin2.Center.UpsideDown(Height);
dc.DrawLine(PensAndBrushes.DashedPen, L2Origin.ToPointF(), lBB.Center());
}
// draw CP
dc.FillEllipse(Brushes.Gray, lBB);
dc.DrawEllipse(p, lBB);
}