Here you can find the source of paintFocus(Graphics2D g, Shape shape, int biggestStroke)
| Parameter | Description |
|---|---|
| g | the graphics to paint to |
| shape | the shape to outline |
| biggestStroke | the widest stroke to use. |
public static void paintFocus(Graphics2D g, Shape shape, int biggestStroke)
//package com.java2s; /*/* ww w . j a v a 2 s .c om*/ Copyright 2008-2010 Gephi Authors : Mathieu Bastian <mathieu.bastian@gephi.org> Website : http://www.gephi.org This file is part of Gephi. DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. Copyright 2011 Gephi Consortium. All rights reserved. The contents of this file are subject to the terms of either the GNU General Public License Version 3 only ("GPL") or the Common Development and Distribution License("CDDL") (collectively, the "License"). You may not use this file except in compliance with the License. You can obtain a copy of the License at http://gephi.org/about/legal/license-notice/ or /cddl-1.0.txt and /gpl-3.0.txt. See the License for the specific language governing permissions and limitations under the License. When distributing the software, include this License Header Notice in each file and include the License files at /cddl-1.0.txt and /gpl-3.0.txt. If applicable, add the following below the License Header, with the fields enclosed by brackets [] replaced by your own identifying information: "Portions Copyrighted [year] [name of copyright owner]" If you wish your version of this file to be governed by only the CDDL or only the GPL Version 3, indicate your decision by adding "[Contributor] elects to include this software in this distribution under the [CDDL or GPL Version 3] license." If you do not indicate a single choice of license, a recipient has the option to distribute your version of this file under either the CDDL, the GPL Version 3 or to extend the choice of license to its licensees as provided above. However, if you add GPL Version 3 code and therefore, elected the GPL Version 3 license, then the option applies only if the new code is made subject to such option by the copyright holder. Contributor(s): Portions Copyrighted 2011 Gephi Consortium. */ import java.awt.BasicStroke; import java.awt.Color; import java.awt.Graphics2D; import java.awt.Shape; import javax.swing.UIManager; public class Main { /** Paints 3 different strokes around a shape to indicate focus. * The widest stroke is the most transparent, so this achieves a nice * "glow" effect. * <P>The catch is that you have to render this underneath the shape, * and the shape should be filled completely. * * @param g the graphics to paint to * @param shape the shape to outline * @param biggestStroke the widest stroke to use. */ public static void paintFocus(Graphics2D g, Shape shape, int biggestStroke) { Color focusColor = getFocusRingColor(); Color[] focusArray = new Color[] { new Color(focusColor.getRed(), focusColor.getGreen(), focusColor.getBlue(), 255), new Color(focusColor.getRed(), focusColor.getGreen(), focusColor.getBlue(), 170), new Color(focusColor.getRed(), focusColor.getGreen(), focusColor.getBlue(), 110) }; g.setStroke(new BasicStroke(biggestStroke)); g.setColor(focusArray[2]); g.draw(shape); g.setStroke(new BasicStroke(biggestStroke - 1)); g.setColor(focusArray[1]); g.draw(shape); g.setStroke(new BasicStroke(biggestStroke - 2)); g.setColor(focusArray[0]); g.draw(shape); g.setStroke(new BasicStroke(1)); } /** @return the color used to indicate when a component has * focus. By default this uses the color (64,113,167), but you can * override this by calling: * <BR><code>UIManager.put("focusRing",customColor);</code> */ public static Color getFocusRingColor() { Object obj = UIManager.getColor("focusRing"); if (obj instanceof Color) { return (Color) obj; } return new Color(64, 113, 167); } }