cgmpanel.java

openmap java写的开源数字地图程序. 用applet实现,可以像google map 那样放大缩小地图.

/*
 * <copyright> Copyright 1997-2003 BBNT Solutions, LLC under
 * sponsorship of the Defense Advanced Research Projects Agency
 * (DARPA).
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Cougaar Open Source License as
 * published by DARPA on the Cougaar Open Source Website
 * (www.cougaar.org).
 * 
 * THE COUGAAR SOFTWARE AND ANY DERIVATIVE SUPPLIED BY LICENSOR IS
 * PROVIDED 'AS IS' WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS OR
 * IMPLIED, INCLUDING (BUT NOT LIMITED TO) ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND WITHOUT
 * ANY WARRANTIES AS TO NON-INFRINGEMENT. IN NO EVENT SHALL COPYRIGHT
 * HOLDER BE LIABLE FOR ANY DIRECT, SPECIAL, INDIRECT OR CONSEQUENTIAL
 * DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE OF DATA OR PROFITS,
 * TORTIOUS CONDUCT, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THE COUGAAR SOFTWARE. </copyright>
 */
package com.bbn.openmap.dataAccess.cgm;

import java.awt.*;

public class CGMPanel extends Panel {
    CGMDisplay D;
    int W = 0, H = 0;

    public CGMPanel(CGMDisplay d) {
        D = d;
    }

    public void paint(Graphics g) {
        int W0 = getSize().width, H0 = getSize().height;
        if (W0 != W || H0 != H) {
            W = W0;
            H = H0;
            D.scale(W, H);
        }
        D.frame(g);
        D.paint(g);
    }
}