protected override void OnRender(DrawingContext dc)
{
dc.PushGuidelineSet(Guidelines);
// This isn't pointless, it makes WPF mouse hit tests succeed near the wire instead of exactly on it.
dc.DrawRectangle(Brushes.Transparent, null, new Rect(-2, -2, ActualWidth + 4, ActualHeight + 4));
if (Selected)
{
dc.DrawLine(SelectedWirePen, new Point(0, 0), new Point(ActualWidth, ActualHeight));
}
else if (Highlighted)
{
dc.DrawLine(HighlightedWirePen, new Point(0, 0), new Point(ActualWidth, ActualHeight));
}
else
{
dc.DrawLine(WirePen, new Point(0, 0), new Point(ActualWidth, ActualHeight));
}
ElementControl.DrawTerminal(dc, ToPoint(wire.A - wire.LowerBound), wire.Anode.ConnectedTo != null);
ElementControl.DrawTerminal(dc, ToPoint(wire.B - wire.LowerBound), wire.Cathode.ConnectedTo != null);
dc.Pop();
}
private static Pen MapToSignalPen(Circuit.EdgeType Color)
{
switch (Color)
{
// These two need to be brighter than the normal colors.
case Circuit.EdgeType.Red: return(new Pen(new SolidColorBrush(System.Windows.Media.Color.FromRgb(255, 80, 80)), 1.0));
case Circuit.EdgeType.Blue: return(new Pen(new SolidColorBrush(System.Windows.Media.Color.FromRgb(20, 180, 255)), 1.0));
default: return(ElementControl.MapToPen(Color));
}
}
private void ElementRemoved(object sender, Circuit.ElementEventArgs e)
{
ElementControl control = (ElementControl)e.Element.Tag;
control.Element.LayoutChanged -= ElementLayoutChanged;
wires.Children.Remove(control);
symbols.Children.Remove(control);
if (control.Selected)
{
RaiseSelectionChanged();
}
}
private void ElementLayoutChanged(object sender, EventArgs e)
{
Circuit.Element element = (Circuit.Element)sender;
Circuit.Coord lb = element.LowerBound;
Circuit.Coord ub = element.UpperBound;
ElementControl control = (ElementControl)element.Tag;
Canvas.SetLeft(control, lb.x + origin.x);
Canvas.SetTop(control, lb.y + origin.y);
control.Width = ub.x - lb.x;
control.Height = ub.y - lb.y;
control.InvalidateVisual();
}
private void ElementAdded(object sender, Circuit.ElementEventArgs e)
{
ElementControl control = ElementControl.New(e.Element);
if (control is WireControl)
{
wires.Children.Add(control);
}
else if (control is SymbolControl)
{
symbols.Children.Add(control);
}
else
{
throw new InvalidOperationException("Unknown element type");
}
control.Element.LayoutChanged += ElementLayoutChanged;
ElementLayoutChanged(control.Element, null);
}
public void RemoveOverlay(ElementControl Element)
{
overlays.Children.Remove(Element);
Element.Element.LayoutChanged -= ElementLayoutChanged;
}
// Add/remove overlay element controls.
public void AddOverlay(ElementControl Element)
{
overlays.Children.Add(Element);
Element.Element.LayoutChanged += ElementLayoutChanged;
ElementLayoutChanged(Element.Element, null);
}
public void RemoveOverlay(ElementControl Element)
{
Overlays.Children.Remove(Element);
Element.Element.LayoutChanged -= ElementLayoutChanged;
}
// Add/remove overlay element controls.
public void AddOverlay(ElementControl Element)
{
Overlays.Children.Add(Element);
Element.Element.LayoutChanged += ElementLayoutChanged;
ElementLayoutChanged(Element.Element, null);
}
