append.java

这是ACCP的JAVA ppt课件

/*
 * Copyright (c) 2003 Sun Microsystems, Inc. All  Rights Reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * -Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
 * 
 * -Redistribution in binary form must reproduct the above copyright
 *  notice, this list of conditions and the following disclaimer in
 *  the documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
 * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
 * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT
 * BE LIABLE FOR ANY DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT
 * OF OR RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR ITS
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 * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN
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 * You acknowledge that Software is not designed, licensed or intended for
 * use in the design, construction, operation or maintenance of any nuclear
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 */

/*
 * @(#)Append.java	1.22 03/01/23
 */


package java2d.demos.Paths;

import java.awt.*;
import java.awt.geom.GeneralPath;
import java.awt.geom.Rectangle2D;
import java2d.Surface;


/**
 * Simple append of rectangle to path with & without the connect.
 */
public class Append extends Surface {

    public Append() { 
        setBackground(Color.white);
    }


    public void render(int w, int h, Graphics2D g2) {
        GeneralPath p = new GeneralPath(GeneralPath.WIND_NON_ZERO);
        p.moveTo(w*0.25f, h*0.2f);
        p.lineTo(w*0.75f, h*0.2f);
        p.closePath();
        p.append(new Rectangle2D.Double(w*.4, h*.3, w*.2, h*.1), false);
        g2.setColor(Color.gray);
        g2.fill(p);
        g2.setColor(Color.black);
        g2.draw(p);
        g2.drawString("Append rect to path", (int)(w*.25), (int)(h*.2)-5);

        p.reset();
        p.moveTo(w*0.25f, h*0.6f);
        p.lineTo(w*0.75f, h*0.6f);
        p.closePath();
        p.append(new Rectangle2D.Double(w*.4, h*.7, w*.2, h*.1), true);
        g2.setColor(Color.gray);
        g2.fill(p);
        g2.setColor(Color.black);
        g2.draw(p);
        g2.drawString("Append, connect", (int) (w*.25), (int) (h*.6)-5);
    }


    public static void main(String s[]) {
        createDemoFrame(new Append());
    }
}