filledoval.java

使用java application 的共享白板系统

import java.awt.*;
import java.io.Serializable;

public class FilledOval extends DrawnShape implements Serializable{
    
        static final long serialVersionUID = -7817883907083061690L;
	public FilledOval(Color color, int x, int y) {
		super(color, x, y, "draw filled oval");
	}
	
	public void draw(Graphics g) {
		int width = x2 > x1 ? x2 - x1 : x1 - x2;
		int height = y2 > y1 ? y2 - y1 : y1 - y2;

		g.setColor(color);
		if (perm) {
			g.fillOval(Math.min(x1, x2), Math.min(y1, y2), width, height);
		} else {
			g.drawOval(Math.min(x1, x2), Math.min(y1, y2), width, height);
		}
	}
}