public Print(AbsTree <C, T> tree)
: this()
{
this.tree = tree;
creartePos(position, tree);
drawTree();
}
private int countHeight(AbsTree <C, T> t)
{
if (t == null)
{
return(0);
}
return(countHeight(t.Left) > countHeight(t.Right) ?
(countHeight(t.Left) + 1) : (countHeight(t.Right) + 1));
}
private void creartePos(Tree <Point> p, AbsTree <C, T> t)
{
if (t == null)
{
return;
}
if (t.Left != null)
{
p.Left = new Tree <Point>(new Point());
creartePos(p.Left, t.Left);
}
if (t.Right != null)
{
p.Right = new Tree <Point>(new Point());
creartePos(p.Right, t.Right);
}
}
private void draw(Graphics g, Tree <Point> poin, AbsTree <C, T> t)
{
if (poin == null)
{
return;
}
Point p = poin.Value;
var colorText = Brushes.Black;
if (t.color != Color.Transparent)
{
if (t.color == Color.Black)
{
colorText = Brushes.White;
}
g.FillEllipse(t.color == Color.Red ? Brushes.Red : Brushes.Black, p.X, p.Y, circleSize, circleSize);
}
g.DrawEllipse(Pens.Black, p.X, p.Y, circleSize, circleSize);
int r;
if (Int32.TryParse(t.Value.ToString(), out r))
{
g.DrawString(t.Value.ToString(), Font, colorText, p.X + 1, p.Y + 2);
}
else
{
StringFormat f = new StringFormat();
f.FormatFlags = StringFormatFlags.DirectionVertical;
g.DrawString(t.Value.ToString(), Font, colorText, p.X + 1, p.Y + 2, f);
}
if (t.Left != null)
{
g.DrawLine(Pens.Black, poin.Value.X + 2, poin.Value.Y + 15, poin.Left.Value.X + 15, poin.Left.Value.Y + 2);
draw(g, poin.Left, t.Left);
}
if (t.Right != null)
{
g.DrawLine(Pens.Black, poin.Value.X + 15, poin.Value.Y + 15, poin.Right.Value.X + 2, poin.Right.Value.Y + 2);
draw(g, poin.Right, t.Right);
}
}