be.pendragon.j2s.seventhcontinent.plot.jfreechart.JFreeChartPlotter.java Source code

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Here is the source code for be.pendragon.j2s.seventhcontinent.plot.jfreechart.JFreeChartPlotter.java

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package be.pendragon.j2s.seventhcontinent.plot.jfreechart;

import be.pendragon.j2s.seventhcontinent.plot.Plotter;

import java.io.File;
import java.io.IOException;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.data.category.DefaultCategoryDataset;

import be.pendragon.j2s.seventhcontinent.stats.Statistics;

/**
 *
 * @author avm
 */
public class JFreeChartPlotter implements Plotter {
    //  private static final Logger LOG = Logger.getLogger(JFreeChartPlotter.class.getName());

    private int width;
    private int height;

    public JFreeChartPlotter() {
        this(640, 480);
    }

    public JFreeChartPlotter(int width, int height) {
        this.width = width;
        this.height = height;
    }

    @Override
    public void setWidth(int width) {
        this.width = width;
    }

    @Override
    public void setHeight(int height) {
        this.height = height;
    }

    @Override
    public void plot(Statistics[] stats, String[] seriesNames, String title, File outputFile) {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        for (int series = 0; series < stats.length; series++) {
            for (int pct = 1; pct <= 100; pct++) {
                double pctValue = stats[series].getPercentile(pct); // # of stars
                if (series > 0) {
                    pctValue = pctValue - stats[series - 1].getPercentile(pct); // deltas are stackables
                }
                dataset.addValue(pctValue, seriesNames[series], new Integer(pct));
            }
        }
        final JFreeChart barChart = ChartFactory.createStackedBarChart(title, "%", "# stars", dataset);
        try {
            ChartUtilities.saveChartAsJPEG(outputFile, barChart, width, height);
        } catch (IOException ex) {
            //      LOG.log(Level.SEVERE, "Plotting chart to file", ex);
            throw new RuntimeException("Plotting with JFreeChart chart to file", ex);
        }
    }

}