Java Code Examples for org.jfree.chart.renderer.category.CategoryItemRenderer#setSeriesPaint()

private void setAttribute(JFreeChart chart) {
	// 圖案與文字的間隔
	LegendTitle legend = chart.getLegend();
	legend.setBorder(1, 1, 1, 1);

	CategoryPlot plot = chart.getCategoryPlot();
	// 設定WorkItem的屬性
	CategoryAxis domainAxis = plot.getDomainAxis();
	domainAxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_45); // 字體角度
	domainAxis.setTickLabelFont(new Font("新細明體", Font.TRUETYPE_FONT, 12)); // 字體

	// 設定Date的屬性
	DateAxis da = (DateAxis) plot.getRangeAxis(0);
	setDateAxis(da);

	// 設定實體的顯示名稱
	CategoryItemRenderer render = plot.getRenderer(0);
	DateFormat format = new SimpleDateFormat("yyyy-MM-dd");
	CategoryItemLabelGenerator generator = new IntervalCategoryItemLabelGenerator(
			"{3} ~ {4}", format);
	render.setBaseItemLabelGenerator(generator);
	render.setBaseItemLabelPaint(Color.BLUE);
	render.setBaseItemLabelsVisible(true);
	render.setBaseItemLabelFont(new Font("黑體", Font.TRUETYPE_FONT, 8));
	render.setSeriesPaint(0, Color.RED);
}
 

/**
 * A test for a bug where setting the renderer doesn't register the plot
 * as a RendererChangeListener.
 */
@Test
public void testSetRenderer() {
    CategoryPlot plot = new CategoryPlot();
    CategoryItemRenderer renderer = new LineAndShapeRenderer();
    plot.setRenderer(renderer);
    // now make a change to the renderer and see if it triggers a plot
    // change event...
    MyPlotChangeListener listener = new MyPlotChangeListener();
    plot.addChangeListener(listener);
    renderer.setSeriesPaint(0, Color.black);
    assertTrue(listener.getEvent() != null);
}
 

/**
 * A test for a bug where setting the renderer doesn't register the plot
 * as a RendererChangeListener.
 */
@Test
public void testSetRenderer() {
    CategoryPlot plot = new CategoryPlot();
    CategoryItemRenderer renderer = new LineAndShapeRenderer();
    plot.setRenderer(renderer);
    // now make a change to the renderer and see if it triggers a plot
    // change event...
    MyPlotChangeListener listener = new MyPlotChangeListener();
    plot.addChangeListener(listener);
    renderer.setSeriesPaint(0, Color.black);
    assertTrue(listener.getEvent() != null);
}
 

/**
 * The series colors set in the main plot of a multiple axis chart are used for
 * all the rendered charts in the plot.  This is a problem with multiple line
 * charts, using different scales and thus different axis.  All the lines will
 * be drawn using the first series color (since they are the first series for that
 * rendered) and it will be impossible to tell them apart.
 * <br><br>
 * For this reason we interpret series colors for charts included in a multiple
 * axis chart as specify absolute series colors for that renderer.
 *
 * @param renderer the renderer of the chart being created
 * @param jrPlot the Jasper view of that plot
 */
private void configureAxisSeriesColors(CategoryItemRenderer renderer, JRChartPlot jrPlot)
{
	SortedSet<JRSeriesColor> seriesColors = jrPlot.getSeriesColors();

	if (seriesColors != null)
	{
		Iterator<JRSeriesColor> iter = seriesColors.iterator();
		while (iter.hasNext())
		{
			JRSeriesColor seriesColor = iter.next();
			renderer.setSeriesPaint(seriesColor.getSeriesOrder(), seriesColor.getColor());
		}
	}
}
 

/**
 * A test for a bug where setting the renderer doesn't register the plot
 * as a RendererChangeListener.
 */
@Test
public void testSetRenderer() {
    CategoryPlot plot = new CategoryPlot();
    CategoryItemRenderer renderer = new LineAndShapeRenderer();
    plot.setRenderer(renderer);
    // now make a change to the renderer and see if it triggers a plot
    // change event...
    MyPlotChangeListener listener = new MyPlotChangeListener();
    plot.addChangeListener(listener);
    renderer.setSeriesPaint(0, Color.black);
    assertTrue(listener.getEvent() != null);
}
 

/**
 * Create graph based on the given dataset and constraints.
 *
 * @return The JFreeChart graph.
 */
protected JFreeChart createGraph() {
    // Create chart.
    JFreeChart chart = ChartFactory.createStackedAreaChart(null, null, yLabel, dataset, PlotOrientation.VERTICAL, true, true, false);
    chart.setBackgroundPaint(Color.WHITE);

    // Create chart legend.
    LegendTitle legend = chart.getLegend();
    legend.setPosition(RectangleEdge.RIGHT);

    // Create chart plot.
    CategoryPlot plot = (CategoryPlot) chart.getPlot();
    plot.setForegroundAlpha(0.7f);
    plot.setBackgroundPaint(Color.WHITE);
    plot.setRangeGridlinePaint(Color.darkGray);

    // Create domain (x) axis.
    CategoryAxis domain = new ShiftedCategoryAxis(xLabel);
    domain.setCategoryLabelPositions(CategoryLabelPositions.UP_45);
    domain.setLowerMargin(0.0);
    domain.setUpperMargin(0.0);
    domain.setCategoryMargin(0.0);
    plot.setDomainAxis(domain);

    // Create range (y) axis.
    NumberAxis range = (NumberAxis) plot.getRangeAxis();
    range.setAutoRange(true);
    range.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

    // Create renderer and paint the chart.
    CategoryItemRenderer renderer = plot.getRenderer();
    plot.setInsets(new RectangleInsets(5.0, 0, 0, 5.0));

    // Set chart colors for sections.
    for (int i = 0; i < colors.length; i++) {
        renderer.setSeriesPaint(i, colors[i]);
    }
    return chart;
}
 

/**
 * A test for a bug where setting the renderer doesn't register the plot
 * as a RendererChangeListener.
 */
@Test
public void testSetRenderer() {
    CategoryPlot plot = new CategoryPlot();
    CategoryItemRenderer renderer = new LineAndShapeRenderer();
    plot.setRenderer(renderer);
    // now make a change to the renderer and see if it triggers a plot
    // change event...
    MyPlotChangeListener listener = new MyPlotChangeListener();
    plot.addChangeListener(listener);
    renderer.setSeriesPaint(0, Color.black);
    assertTrue(listener.getEvent() != null);
}
 

/**
 * A test for a bug where setting the renderer doesn't register the plot
 * as a RendererChangeListener.
 */
public void testSetRenderer() {
    CategoryPlot plot = new CategoryPlot();
    CategoryItemRenderer renderer = new LineAndShapeRenderer();
    plot.setRenderer(renderer);
    // now make a change to the renderer and see if it triggers a plot
    // change event...
    MyPlotChangeListener listener = new MyPlotChangeListener();
    plot.addChangeListener(listener);
    renderer.setSeriesPaint(0, Color.black);
    assertTrue(listener.getEvent() != null);
}
 

/**
 * A test for a bug where setting the renderer doesn't register the plot
 * as a RendererChangeListener.
 */
public void testSetRenderer() {
    CategoryPlot plot = new CategoryPlot();
    CategoryItemRenderer renderer = new LineAndShapeRenderer();
    plot.setRenderer(renderer);
    // now make a change to the renderer and see if it triggers a plot
    // change event...
    MyPlotChangeListener listener = new MyPlotChangeListener();
    plot.addChangeListener(listener);
    renderer.setSeriesPaint(0, Color.black);
    assertTrue(listener.getEvent() != null);
}
 

/**
 * A test for a bug where setting the renderer doesn't register the plot
 * as a RendererChangeListener.
 */
@Test
public void testSetRenderer() {
    CategoryPlot plot = new CategoryPlot();
    CategoryItemRenderer renderer = new LineAndShapeRenderer();
    plot.setRenderer(renderer);
    // now make a change to the renderer and see if it triggers a plot
    // change event...
    MyPlotChangeListener listener = new MyPlotChangeListener();
    plot.addChangeListener(listener);
    renderer.setSeriesPaint(0, Color.black);
    assertTrue(listener.getEvent() != null);
}
 

public void writeToFile(String outName) throws FileNotFoundException, UnsupportedEncodingException, IOException
{
    calcMeans();
    calcAvgRulesBySeed();
    
    // Create JFreeChart Dataset
    DefaultCategoryDataset dataset = new DefaultCategoryDataset( );
    
    
    HashMap<String, Double> measuresFirst = algorithmMeasures.entrySet().iterator().next().getValue();
    for (Map.Entry<String, Double> measure : measuresFirst.entrySet())
    {
        String measureName = measure.getKey();
        //Double measureValue = measure.getValue();
        dataset.clear();
        
        for (Map.Entry<String, HashMap<String, Double>> entry : algorithmMeasures.entrySet())
        {
            String alg = entry.getKey();
            Double measureValue = entry.getValue().get(measureName);
            
            // Parse algorithm name to show it correctly
            String aName = alg.substring(0, alg.length()-1);
            int startAlgName = aName.lastIndexOf("/");
            aName = aName.substring(startAlgName + 1);
            
            dataset.addValue(measureValue, aName, measureName);
            
            ChartFactory.setChartTheme(StandardChartTheme.createLegacyTheme());
            JFreeChart barChart = ChartFactory.createBarChart("Assotiation Rules Measures", measureName, measureName, dataset, PlotOrientation.VERTICAL, true, true, false);
            StandardChartTheme.createLegacyTheme().apply(barChart);
            
            CategoryItemRenderer renderer = barChart.getCategoryPlot().getRenderer();
            
            // Black and White
            int numItems = algorithmMeasures.size();
            for(int i=0;i<numItems;i++)
            {
                Color color = Color.DARK_GRAY;
                if(i%2 == 1)
                {
                    color = Color.LIGHT_GRAY;
                }
                renderer.setSeriesPaint(i, color);
                renderer.setSeriesOutlinePaint(i, Color.BLACK);
            }
            
            
            int width = 640 * 2; /* Width of the image */
            int height = 480 * 2; /* Height of the image */ 
            
            // JPEG
            File BarChart = new File( outName + "_" + measureName + "_barchart.jpg" );
            ChartUtilities.saveChartAsJPEG( BarChart , barChart , width , height );
            
            // SVG
            SVGGraphics2D g2 = new SVGGraphics2D(width, height);
            Rectangle r = new Rectangle(0, 0, width, height);
            barChart.draw(g2, r);
            File BarChartSVG = new File( outName + "_" + measureName + "_barchart.svg" );
            SVGUtils.writeToSVG(BarChartSVG, g2.getSVGElement());
        }
    }
    /*
    for (Map.Entry<String, HashMap<String, Double>> entry : algorithmMeasures.entrySet())
    {
        String alg = entry.getKey();
        HashMap<String, Double> measures = entry.getValue();
        
        for (Map.Entry<String, Double> entry1 : measures.entrySet())
        {
            String measureName = entry1.getKey();
            Double measureValue = entry1.getValue();
            
            dataset.addValue(measureValue, alg, measureName);
        }
    }
            */
    
}
 

@SuppressWarnings("deprecation")
private void customizeChart(JFreeChart chart) {
    chart.setBackgroundPaint(Color.white);
    chart.setBorderVisible(settings.isBorder());

    TextTitle chartTitle = chart.getTitle();
    customizeTitle(chartTitle, DEFAULT_TITLE_FONT);

    addSubTitle(chart, settings.getSubTitle(), DEFAULT_SUBTITLE_FONT);
    addSubTitle(chart, settings.getSubTitle2(), DEFAULT_SUBTITLE2_FONT);

    CategoryPlot plot = ( CategoryPlot ) chart.getPlot();
    plot.setNoDataMessage(ldUtil.getText("livingdoc.historic.nodata"));

    CategoryItemRenderer renderer = plot.getRenderer();

    int index = 0;
    renderer.setSeriesPaint(index ++ , GREEN_COLOR);
    if (settings.isShowIgnored()) {
        renderer.setSeriesPaint(index ++ , Color.yellow);
    }
    renderer.setSeriesPaint(index, Color.red);

    renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
    renderer.setItemURLGenerator(new CategoryURLGenerator() {

        @Override
        public String generateURL(CategoryDataset data, int series, int category) {
            Comparable< ? > valueKey = data.getColumnKey(category);
            ChartLongValue value = ( ChartLongValue ) valueKey;
            return "javascript:" + settings.getExecutionUID() + "_showExecutionResult('" + value.getId() + "');";
        }
    });

    CategoryAxis domainAxis = plot.getDomainAxis();
    customizeAxis(domainAxis);
    domainAxis.setCategoryLabelPositions(CategoryLabelPositions.DOWN_90);

    ValueAxis rangeAxis = plot.getRangeAxis();
    customizeAxis(rangeAxis);
    rangeAxis.setLowerBound(0);

    if (rangeAxis instanceof NumberAxis) {
        ( ( NumberAxis ) rangeAxis ).setTickUnit(new NumberTickUnit(1));
    }

    plot.setForegroundAlpha(0.8f);
}
 

private byte[] generateStackedAreaChart (CategoryDataset dataset, int width, int height)
{
	JFreeChart chart = ChartFactory.createStackedAreaChart (null, // chart title
			null, // domain axis label
			null, // range axis label
			dataset, // data
			PlotOrientation.VERTICAL, // the plot orientation
			true, // legend
			true, // tooltips
			false // urls
			);

	// set background
	chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));

	// set chart border
	chart.setPadding (new RectangleInsets (10, 5, 5, 5));
	chart.setBorderVisible (true);
	chart.setBorderPaint (parseColor ("#cccccc"));

	// set anti alias
	chart.setAntiAlias (true);

	CategoryPlot plot = (CategoryPlot) chart.getPlot ();

	// set transparency
	plot.setForegroundAlpha (0.7f);
	plot.setAxisOffset (new RectangleInsets (5.0, 5.0, 5.0, 5.0));
	plot.setBackgroundPaint (Color.lightGray);
	plot.setDomainGridlinesVisible (true);
	plot.setDomainGridlinePaint (Color.white);
	plot.setRangeGridlinesVisible (true);
	plot.setRangeGridlinePaint (Color.white);

	// set colour of regular users using Karate belt colour: white, green, blue, brown, black/gold
	CategoryItemRenderer renderer = plot.getRenderer ();
	renderer.setSeriesPaint (0, new Color (205, 173, 0)); // gold users
	renderer.setSeriesPaint (1, new Color (139, 69, 19));
	renderer.setSeriesPaint (2, Color.BLUE);
	renderer.setSeriesPaint (3, Color.GREEN);
	renderer.setSeriesPaint (4, Color.WHITE);

	// set the range axis to display integers only...
	NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis ();
	rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());

	CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
	domainAxis.setCategoryLabelPositions (CategoryLabelPositions.DOWN_45);
       domainAxis.setLowerMargin(0.0);
       domainAxis.setUpperMargin(0.0);

       BufferedImage img = chart.createBufferedImage (width, height);
	final ByteArrayOutputStream out = new ByteArrayOutputStream();
	try{
		ImageIO.write(img, "png", out);
	}catch(IOException e){
		log.warn("Error occurred while generating SiteStats chart image data", e);
	}
	return out.toByteArray();
}
 

private byte[] generateStackedAreaChart (CategoryDataset dataset, int width, int height)
{
	JFreeChart chart = ChartFactory.createStackedAreaChart (null, // chart title
			null, // domain axis label
			null, // range axis label
			dataset, // data
			PlotOrientation.VERTICAL, // the plot orientation
			true, // legend
			true, // tooltips
			false // urls
			);

	// set background
	chart.setBackgroundPaint (parseColor (statsManager.getChartBackgroundColor ()));

	// set chart border
	chart.setPadding (new RectangleInsets (10, 5, 5, 5));
	chart.setBorderVisible (true);
	chart.setBorderPaint (parseColor ("#cccccc"));

	// set anti alias
	chart.setAntiAlias (true);

	CategoryPlot plot = (CategoryPlot) chart.getPlot ();

	// set transparency
	plot.setForegroundAlpha (0.7f);
	plot.setAxisOffset (new RectangleInsets (5.0, 5.0, 5.0, 5.0));
	plot.setBackgroundPaint (Color.lightGray);
	plot.setDomainGridlinesVisible (true);
	plot.setDomainGridlinePaint (Color.white);
	plot.setRangeGridlinesVisible (true);
	plot.setRangeGridlinePaint (Color.white);

	// set colour of regular users using Karate belt colour: white, green, blue, brown, black/gold
	CategoryItemRenderer renderer = plot.getRenderer ();
	renderer.setSeriesPaint (0, new Color (205, 173, 0)); // gold users
	renderer.setSeriesPaint (1, new Color (139, 69, 19));
	renderer.setSeriesPaint (2, Color.BLUE);
	renderer.setSeriesPaint (3, Color.GREEN);
	renderer.setSeriesPaint (4, Color.WHITE);

	// set the range axis to display integers only...
	NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis ();
	rangeAxis.setStandardTickUnits (NumberAxis.createIntegerTickUnits ());

	CategoryAxis domainAxis = (CategoryAxis) plot.getDomainAxis ();
	domainAxis.setCategoryLabelPositions (CategoryLabelPositions.DOWN_45);
       domainAxis.setLowerMargin(0.0);
       domainAxis.setUpperMargin(0.0);

       BufferedImage img = chart.createBufferedImage (width, height);
	final ByteArrayOutputStream out = new ByteArrayOutputStream();
	try{
		ImageIO.write(img, "png", out);
	}catch(IOException e){
		log.warn("Error occurred while generating SiteStats chart image data", e);
	}
	return out.toByteArray();
}