rectangle.java

这是自定义工作流的图形定义部分

package bridge;

/**
 * Created by IntelliJ IDEA.
 * User: smallbeetle
 * Date: Mar 17, 2005
 * Time: 11:18:36 PM
 * To change this template use Options | File Templates.
 */
abstract class Rectangle extends Shape
{
    public void draw()
    {

    }

    abstract protected void drawLine(double x1,double y1,double x2,double y2);
}