KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > java2d > demos > Paths > WindingRule


1 /*
2  * @(#)WindingRule.java 1.26 06/08/29
3  *
4  * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are met:
8  *
9  * -Redistribution of source code must retain the above copyright notice, this
10  * list of conditions and the following disclaimer.
11  *
12  * -Redistribution in binary form must reproduce the above copyright notice,
13  * this list of conditions and the following disclaimer in the documentation
14  * and/or other materials provided with the distribution.
15  *
16  * Neither the name of Sun Microsystems, Inc. or the names of contributors may
17  * be used to endorse or promote products derived from this software without
18  * specific prior written permission.
19  *
20  * This software is provided "AS IS," without a warranty of any kind. ALL
21  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
22  * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
23  * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
24  * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
25  * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
26  * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
27  * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
28  * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
29  * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
30  * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
31  *
32  * You acknowledge that this software is not designed, licensed or intended
33  * for use in the design, construction, operation or maintenance of any
34  * nuclear facility.
35  */
36
37 /*
38  * @(#)WindingRule.java 1.26 06/08/29
39  */
40
41 package java2d.demos.Paths;
42
43 import static java.awt.Color JavaDoc.*;
44 import java.awt.*;
45 import java.awt.geom.GeneralPath JavaDoc;
46 import java2d.Surface;
47
48
49 /**
50  * Rectangles filled to illustrate the GenerPath winding rule, determining
51  * the interior of a path.
52  */
53 public class WindingRule extends Surface {
54
55     public WindingRule() {
56         setBackground(WHITE);
57     }
58
59
60     public void render(int w, int h, Graphics2D g2) {
61
62         g2.translate(w*.2, h*.2);
63
64         GeneralPath JavaDoc p = new GeneralPath JavaDoc(GeneralPath.WIND_NON_ZERO);
65         p.moveTo(0.0f, 0.0f);
66         p.lineTo(w*.5f, 0.0f);
67         p.lineTo(w*.5f, h*.2f);
68         p.lineTo(0.0f, h*.2f);
69         p.closePath();
70
71         p.moveTo(w*.05f, h*.05f);
72         p.lineTo(w*.55f, h*.05f);
73         p.lineTo(w*.55f, h*.25f);
74         p.lineTo(w*.05f, h*.25f);
75         p.closePath();
76
77         g2.setColor(LIGHT_GRAY);
78         g2.fill(p);
79         g2.setColor(BLACK);
80         g2.draw(p);
81         g2.drawString("NON_ZERO rule", 0, -5);
82
83         g2.translate(0.0f, h*.45);
84
85         p.setWindingRule(GeneralPath.WIND_EVEN_ODD);
86         g2.setColor(LIGHT_GRAY);
87         g2.fill(p);
88         g2.setColor(BLACK);
89         g2.draw(p);
90         g2.drawString("EVEN_ODD rule", 0, -5);
91     }
92
93     public static void main(String JavaDoc s[]) {
94         createDemoFrame(new WindingRule());
95     }
96 }
97
Popular Tags