driver.java

Java程序设计(美) David D. Riley著 机械工业出版社 书籍配套 代码

import java.awt.Color; 

/**	Author: David D. Riley
 *		Date: Jan, 2005
 *   Driver for illustrating the use of color with DrawingGizmo (Figure 3.5)
 */
public class Driver  {
	private DrawingGizmo  pencil;

	public Driver()   {
		pencil = new DrawingGizmo();
		pencil.setBackground( Color.lightGray );
		pencil.dontDraw();
		pencil.moveBy(50);
		pencil.draw();
		pencil.turnBy(150);
		pencil.setForeground( Color.red );
		pencil.moveBy(80);
		pencil.turnBy(120);
		pencil.setForeground( Color.blue );
		pencil.moveBy(80);
		pencil.turnBy(120);
		pencil.moveBy(80);
	}
}