rubberbandellipse.java

来自「awt图形界面的生成」· Java 代码 · 共 23 行

import java.awt.*;

public class RubberbandEllipse extends Rubberband {
    private final int startAngle = 0;
    private final int endAngle   = 360;

	public RubberbandEllipse() {
	}
    public RubberbandEllipse(Component component) {
        super(component);
    }
    public void drawLast(Graphics graphics) {
        Rectangle r = lastBounds();
        graphics.drawArc(r.x, r.y, 
            r.width, r.height, startAngle, endAngle);
    }
    public void drawNext(Graphics graphics) {
        Rectangle r = getBounds();
        graphics.drawArc(r.x, r.y, 
            r.width, r.height, startAngle, endAngle);
    }
}