protected void GenerateEdges(TextWriter writer, Tree parent)
{
if (!Tree.IsLeaf(parent))
{
var b1 = BoundsOfNode(parent);
float x1 = b1.Center.X;
float y1 = b1.Center.Y;
foreach (Tree child in Tree.Children(parent))
{
var childbounds = BoundsOfNode(child);
float x2 = childbounds.Center.X;
float y2 = childbounds.BottomLeft.Y;
writer.WriteLine(Line("" + x1, "" + y1, "" + x2, "" + y2,
"stroke:black; stroke-width:1px;"));
GenerateEdges(writer, child);
}
}
}
protected void PaintEdges(Graphics g, Tree parent)
{
if (!Tree.IsLeaf(parent))
{
Pen stroke = new Pen(Colors.Black, 1.0f)
{
LineCap = PenLineCap.Round,
LineJoin = PenLineJoin.Round
};
var parentBounds = BoundsOfNode(parent);
float x1 = parentBounds.Center.X;
float y1 = parentBounds.TopLeft.Y;
foreach (Tree child in Tree.Children(parent))
{
var childBounds = BoundsOfNode(child);
float x2 = childBounds.Center.X;
float y2 = childBounds.TopLeft.Y;
//if (UseCurvedEdges)
//{
// CubicCurve2D c = new CubicCurve2D.Double();
// float ctrlx1 = x1;
// float ctrly1 = (y1 + y2) / 2;
// float ctrlx2 = x2;
// float ctrly2 = y1;
// c.setCurve(x1, y1, ctrlx1, ctrly1, ctrlx2, ctrly2, x2, y2);
// g.DrawArc(stroke,);
//}
//else
//{
System.Console.WriteLine($"{x1},{y1},{x2},{y2}");
g.DrawLine(stroke, x1, y1, x2, y2);
//}
PaintEdges(g, child);
}
}
}