| /* |
| * |
| * Copyright (c) 2007, 2011, Oracle and/or its affiliates. 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. |
| * |
| * - Redistributions in binary form must reproduce 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 Oracle nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package java2d.demos.Paths; |
| |
| |
| import static java.awt.Color.BLACK; |
| import static java.awt.Color.LIGHT_GRAY; |
| import static java.awt.Color.WHITE; |
| import java.awt.Graphics2D; |
| import java.awt.geom.GeneralPath; |
| import java.awt.geom.Path2D; |
| import java2d.Surface; |
| |
| |
| /** |
| * Rectangles filled to illustrate the GenerPath winding rule, determining |
| * the interior of a path. |
| */ |
| @SuppressWarnings("serial") |
| public class WindingRule extends Surface { |
| |
| public WindingRule() { |
| setBackground(WHITE); |
| } |
| |
| @Override |
| public void render(int w, int h, Graphics2D g2) { |
| |
| g2.translate(w * .2, h * .2); |
| |
| GeneralPath p = new GeneralPath(Path2D.WIND_NON_ZERO); |
| p.moveTo(0.0f, 0.0f); |
| p.lineTo(w * .5f, 0.0f); |
| p.lineTo(w * .5f, h * .2f); |
| p.lineTo(0.0f, h * .2f); |
| p.closePath(); |
| |
| p.moveTo(w * .05f, h * .05f); |
| p.lineTo(w * .55f, h * .05f); |
| p.lineTo(w * .55f, h * .25f); |
| p.lineTo(w * .05f, h * .25f); |
| p.closePath(); |
| |
| g2.setColor(LIGHT_GRAY); |
| g2.fill(p); |
| g2.setColor(BLACK); |
| g2.draw(p); |
| g2.drawString("NON_ZERO rule", 0, -5); |
| |
| g2.translate(0.0f, h * .45); |
| |
| p.setWindingRule(Path2D.WIND_EVEN_ODD); |
| g2.setColor(LIGHT_GRAY); |
| g2.fill(p); |
| g2.setColor(BLACK); |
| g2.draw(p); |
| g2.drawString("EVEN_ODD rule", 0, -5); |
| } |
| |
| public static void main(String s[]) { |
| createDemoFrame(new WindingRule()); |
| } |
| } |