public static void PerformLayout(Graphics graphics, IEnumerable <Node> nodes)
{
foreach (var node in nodes.Reverse <Node>())
{
GraphRenderer.PerformLayout(graphics, node);
}
}
public virtual void RenderPin(Graphics graphics)
{
using (var brush = new SolidBrush(GraphRenderer.GetArrowLineColor(state)))
{
graphics.FillEllipse(brush, PinBounds);
}
if (state == RenderState.None)
{
graphics.DrawEllipse(Pens.Black, PinBounds);
}
else
// When we're compatible, but not dragging from this node we render a highlight
if ((state & (RenderState.Compatible | RenderState.Dragging)) == RenderState.Compatible)
{
// First draw the normal black border
graphics.DrawEllipse(Pens.Black, PinBounds);
// Draw an additional highlight around the connector
RectangleF highlightBounds = new RectangleF(PinBounds.X, PinBounds.Y, PinBounds.Width, PinBounds.Height);
highlightBounds.Width += 10;
highlightBounds.Height += 10;
highlightBounds.X -= 5;
highlightBounds.Y -= 5;
graphics.DrawEllipse(Pens.OrangeRed, highlightBounds);
}
else
{
graphics.DrawArc(Pens.Black, PinBounds, 90, 180);
using (var pen = new Pen(GraphRenderer.GetArrowLineColor(state)))
{
graphics.DrawArc(pen, PinBounds, 270, 180);
}
}
}
public static void Render(Graphics graphics, IEnumerable <Node> nodes, bool showLabels)
{
var skipConnections = new HashSet <NodeConnection>();
foreach (var node in nodes.Reverse <Node>())
{
GraphRenderer.RenderConnections(graphics, node, skipConnections, showLabels);
}
foreach (var node in nodes.Reverse <Node>())
{
GraphRenderer.Render(graphics, node);
}
}