filledrectangle.java

使用java application 的共享白板系统

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

public class FilledRectangle extends DrawnShape implements Serializable{
        static final long serialVersionUID = -1673164085474047543L;
	public FilledRectangle(Color color, int x, int y) {
		super(color, x, y, "draw filled rectangle");
	}
	
	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.fillRect(Math.min(x1, x2), Math.min(y1, y2), width, height);
		} else {
			g.drawRect(Math.min(x1, x2), Math.min(y1, y2), width, height);
		}
	}
}