/*
 * A C# program that demonstrates use of transforms
 *
 * Ben Bederson, April 2, 2002
 */

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;

public class TransformDemo : System.Windows.Forms.Form {
    static public void Main() {
	Application.Run(new TransformDemo());
    }

    public TransformDemo() {
	Size = new Size(400, 400);
	StartPosition = FormStartPosition.CenterScreen;
        TransformControl control = new TransformControl();
	control.Location = new Point(0, 0);
	control.Size = new Size(400, 400);

	Controls.Add(control);
    }
}

class TransformControl : Control {
    static Brush redBrush = new SolidBrush(Color.Red);
    static Brush blueBrush = new SolidBrush(Color.Blue);
    static Brush orangeBrush = new SolidBrush(Color.Orange);

    public TransformControl() {
	BackColor = Color.White;
    }

    protected override void OnPaint(PaintEventArgs e) {
        Graphics g = e.Graphics;
	Matrix m = new Matrix();

	g.FillRectangle(redBrush, 0, 0, 20, 20);

	m.Translate(100, 0);
	g.Transform = m;
	g.FillRectangle(blueBrush, 0, 0, 20, 20);

	m.Rotate(30);
	g.Transform = m;
	g.FillRectangle(orangeBrush, 0, 0, 20, 20);
    }
}