import java.awt.*;

/** An example of coordinate translations and
 *  rotations with Java2D in Java 1.2.
 *
 *  From tutorial on learning Java2D at
 *  http://www.apl.jhu.edu/~hall/java/Java2D-Tutorial.html
 *
 *  1998 Marty Hall, http://www.apl.jhu.edu/~hall/java/
 */

public class RotationExample extends StrokeThicknessExample {
  private Color[] colors = { Color.white, Color.black };

  public void paintComponent(Graphics g) {
    clear(g);
    Graphics2D g2d = (Graphics2D)g;
    drawGradientCircle(g2d);
    drawThickCircleOutline(g2d);
    // Move the origin to the center of the circle.
    g2d.translate(185.0, 185.0);
    for (int i=0; i<16; i++) {
      // Rotate the coordinate system around current
      // origin, which is at the center of the circle.
      g2d.rotate(Math.PI/8.0);
      g2d.setPaint(colors[i%2]);
      g2d.drawString("Java", 0, 0);
    }
  }

  public static void main(String[] args) {
    WindowUtilities.openInJFrame(new RotationExample(), 380, 400);
  }
}