Java tutorial
/*# * The MIT License (MIT) * * Copyright (c) 2016 LE SAUCE Julien * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. #*/ package org.jls.toolbox.math.chart; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Dimension; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.ThermometerPlot; import org.jfree.data.general.DefaultValueDataset; import org.jfree.ui.RectangleInsets; /** * Permet d'afficher un simple thermomtre dont les seuils de couleurs sont * configurables. * * @author LE SAUCE Julien * @date Feb 13, 2015 */ public class Thermometer { private ChartPanel panel; private JFreeChart chart; private ThermometerPlot plot; private DefaultValueDataset dataset; private String title; /** * Permet d'instancier un thermomtre. * * @param title * Titre du thermomtre. */ public Thermometer(final String title) { this.title = title; this.dataset = new DefaultValueDataset(37.5); createChart(); } /** * Permet de crer et de paramtrer le thermomtre. */ private void createChart() { this.plot = new ThermometerPlot(this.dataset); this.chart = new JFreeChart(this.plot); this.plot.setInsets(new RectangleInsets(0, 0, 0, 0)); this.plot.setPadding(new RectangleInsets(0, 0, 0, 0)); this.plot.setThermometerStroke(new BasicStroke(1.0f)); this.plot.setThermometerPaint(Color.black); this.plot.setFollowDataInSubranges(true); this.plot.setRange(0, 100); this.plot.setForegroundAlpha(100); // this.chart.setBackgroundPaint(new JPanel().getBackground()); this.chart.setAntiAlias(true); this.chart.setPadding(new RectangleInsets(0, 0, 0, 0)); this.chart.setTitle(this.title); this.panel = new ChartPanel(this.chart); double coeff = 0.3; int width = (int) (this.panel.getPreferredSize().getWidth() * coeff); int height = (int) (this.panel.getPreferredSize().getHeight() * coeff); this.panel.setPreferredSize(new Dimension(width, height)); } /** * Renvoie le panneau d'affichage du thermomtre. * * @return Panneau d'affichage du thermomtre. */ public ChartPanel getPanel() { return this.panel; } }