void PaintTriangle(NPaintVisitor paintVisitor, double w, double h)
{
NPoint p1 = new NPoint(0.5 * w, 0.1 * h);
NPoint p2 = new NPoint(0.9 * w, 0.9 * h);
NPoint p3 = new NPoint(0.1 * w, 0.8 * h);
paintVisitor.PaintTriangle(p1, p2, p3);
}
void PaintTriangle(NPaintVisitor paintVisitor, double w, double h)
{
paintVisitor.SetStroke(NColor.Black, 2);
paintVisitor.SetFill(NColor.Crimson);
NPoint p1 = new NPoint(0.5 * w, 0.2 * h);
NPoint p2 = new NPoint(0.8 * w, 0.8 * h);
NPoint p3 = new NPoint(0.2 * w, 0.7 * h);
paintVisitor.PaintTriangle(p1, p2, p3);
}