Java tutorial
/* * Copyright (C) 2013-2016 52North Initiative for Geospatial Open Source * Software GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * If the program is linked with libraries which are licensed under one of * the following licenses, the combination of the program with the linked * library is not considered a "derivative work" of the program: * * - Apache License, version 2.0 * - Apache Software License, version 1.0 * - GNU Lesser General Public License, version 3 * - Mozilla Public License, versions 1.0, 1.1 and 2.0 * - Common Development and Distribution License (CDDL), version 1.0 * * Therefore the distribution of the program linked with libraries licensed * under the aforementioned licenses, is permitted by the copyright holders * if the distribution is compliant with both the GNU General Public License * version 2 and the aforementioned licenses. * * This program 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 General Public License * for more details. */ package org.n52.io.measurement.img; import java.awt.Color; import org.jfree.chart.renderer.xy.StandardXYBarPainter; import org.jfree.chart.renderer.xy.XYBarRenderer; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.n52.io.style.BarStyle; final class BarRenderer implements Renderer { static final String BAR_CHART_TYPE = "bar"; private XYBarRenderer renderer; private BarStyle style; private BarRenderer(BarStyle style) { this.style = style; this.renderer = new XYBarRenderer(style.getBarMargin()); StandardXYBarPainter barPainter = new StandardXYBarPainter(); XYBarRenderer.setDefaultShadowsVisible(false); this.renderer.setBarPainter(barPainter); } @Override public String getRendererType() { return BAR_CHART_TYPE; } @Override public XYItemRenderer getXYRenderer() { return renderer; } @Override public void setColorForSeries() { // each renderer renders just one series this.renderer.setSeriesPaint(0, Color.decode(style.getColor())); } public static BarRenderer createBarRenderer(BarStyle barStyle) { return new BarRenderer(barStyle); } }