import java.awt.*;
/** An example of translating and rotating the coordinate
* system before each drawing.
*
*******************************
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);
}
}