--- /dev/null 2018-05-11 11:35:31.000000000 -0700 +++ new/src/demo/share/jfc/J2Ddemo/java2d/demos/Paths/WindingRule.java 2018-05-11 11:35:31.000000000 -0700 @@ -0,0 +1,92 @@ +/* + * + * 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()); + } +}