private static void PaintPicture(CanvasPainter painter)
{
var triangle = new Triangle(
new ShapeDrawingLib.Point(10, 15),
new ShapeDrawingLib.Point(100, 200),
new ShapeDrawingLib.Point(150, 250)
);
var rectangle = new Rectangle(new ShapeDrawingLib.Point(30, 40), 18, 24);
Console.WriteLine("Triangle:");
painter.Draw(triangle);
Console.WriteLine("Rectangle");
painter.Draw(rectangle);
}
