Java tutorial
/* * Copyright (C) 2008-2015 by Holger Arndt * * This file is part of the Universal Java Matrix Package (UJMP). * See the NOTICE file distributed with this work for additional * information regarding copyright ownership and licensing. * * UJMP is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * UJMP is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with UJMP; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301 USA */ package org.ujmp.jung; import java.awt.Color; import java.awt.Component; import java.awt.Graphics; import java.awt.Graphics2D; import javax.swing.Icon; import org.apache.commons.collections15.Transformer; import org.ujmp.core.util.ColorUtil; import org.ujmp.gui.util.UIDefaults; import edu.uci.ics.jung.visualization.picking.PickedState; public class VertexIconTransformer<N> implements Transformer<N, Icon> { private final PickedState<N> pickedVertexState; public VertexIconTransformer(PickedState<N> pickedVertexState) { this.pickedVertexState = pickedVertexState; } public Icon transform(final N v) { return new Icon() { public int getIconHeight() { return 10; } public int getIconWidth() { return 10; } public void paintIcon(Component c, Graphics g, int x, int y) { Graphics2D g2d = (Graphics2D) g; if (pickedVertexState.isPicked(v)) { g2d.setColor(UIDefaults.SELECTEDCOLOR); } else { g2d.setColor(ColorUtil.fromObject(v)); } g2d.fillOval(x, y, 10, 10); g2d.setColor(new Color(150, 150, 150, 150)); g2d.drawOval(x, y, 10, 10); } }; } }