public static void RenderTree(IRenderContext g, TypeTree tree)
{
RenderNode rRoot = RenderNode.ConvertFromNode(tree.root);
Size size = rRoot.GetSize();
g.DrawBackground(size);
DrawTree(g, rRoot, rRoot.GetOriginX((int)size.Width), SquareSize);
}
private static Size DrawTree(IRenderContext g, RenderNode rRoot, int x, int y)
{
RenderNode left;
RenderNode right;
Size size;
foreach (RenderNode n in rRoot.GetAllNodes())
{
bool hasChild = false;
int nx = n.x + x;
int ny = n.y + y;
g.DrawRectangle(nx - SquareSize / 2, ny - SquareSize / 2, SquareSize, SquareSize);
size = g.MeasureString(n.display);
g.DrawString(n.display, nx - size.Width / 2, ny - size.Height / 2);
if (!n.isRoot)
{
g.DrawLine(nx, ny - SquareSize / 2, nx, ny - DefaultDistance / 2);
}
left = n.GetLeft();
right = n.GetRight();
if (left != null)
{
g.DrawLine(nx, ny + DefaultDistance / 2, left.x + x, ny + DefaultDistance / 2);
hasChild = true;
}
if (right != null)
{
g.DrawLine(nx, ny + DefaultDistance / 2, right.x + x, ny + DefaultDistance / 2);
hasChild = true;
}
if (hasChild)
{
g.DrawLine(nx, ny + SquareSize / 2, nx, ny + DefaultDistance / 2);
}
}
return(rRoot.GetSize());
}
