?? meterchartdemo1.java
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package demo;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import javax.swing.JPanel;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.DialShape;
import org.jfree.chart.plot.MeterInterval;
import org.jfree.chart.plot.MeterPlot;
import org.jfree.data.Range;
import org.jfree.data.general.DefaultValueDataset;
import org.jfree.data.general.ValueDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class MeterChartDemo1 extends ApplicationFrame
{
private static DefaultValueDataset dataset;
public MeterChartDemo1(String paramString)
{
super(paramString);
JPanel localJPanel = createDemoPanel();
localJPanel.setPreferredSize(new Dimension(500, 270));
setContentPane(localJPanel);
}
private static JFreeChart createChart(ValueDataset paramValueDataset)
{
MeterPlot localMeterPlot = new MeterPlot(paramValueDataset);
localMeterPlot.setRange(new Range(0D, 60.0D));
localMeterPlot.addInterval(new MeterInterval("Normal", new Range(0D, 35.0D), Color.lightGray, new BasicStroke(2F), new Color(0, 255, 0, 64)));
localMeterPlot.addInterval(new MeterInterval("Warning", new Range(35.0D, 50.0D), Color.lightGray, new BasicStroke(2F), new Color(255, 255, 0, 64)));
localMeterPlot.addInterval(new MeterInterval("Critical", new Range(50.0D, 60.0D), Color.lightGray, new BasicStroke(2F), new Color(255, 0, 0, 128)));
localMeterPlot.setNeedlePaint(Color.darkGray);
localMeterPlot.setDialBackgroundPaint(Color.white);
localMeterPlot.setDialOutlinePaint(Color.gray);
localMeterPlot.setDialShape(DialShape.CHORD);
localMeterPlot.setMeterAngle(260);
localMeterPlot.setTickLabelsVisible(true);
localMeterPlot.setTickLabelFont(new Font("Dialog", 1, 10));
localMeterPlot.setTickLabelPaint(Color.darkGray);
localMeterPlot.setTickSize(5.0D);
localMeterPlot.setTickPaint(Color.lightGray);
localMeterPlot.setValuePaint(Color.black);
localMeterPlot.setValueFont(new Font("Dialog", 1, 14));
JFreeChart localJFreeChart = new JFreeChart("Meter Chart 1", JFreeChart.DEFAULT_TITLE_FONT, localMeterPlot, true);
ChartUtilities.applyCurrentTheme(localJFreeChart);
return localJFreeChart;
}
public static JPanel createDemoPanel()
{
dataset = new DefaultValueDataset(23.0D);
JFreeChart localJFreeChart = createChart(dataset);
ChartPanel localChartPanel = new ChartPanel(localJFreeChart);
return localChartPanel;
}
public static void main(String[] paramArrayOfString)
{
MeterChartDemo1 localMeterChartDemo1 = new MeterChartDemo1("JFreeChart: MeterChartDemo1.java");
localMeterChartDemo1.pack();
RefineryUtilities.centerFrameOnScreen(localMeterChartDemo1);
localMeterChartDemo1.setVisible(true);
}
}
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