org.jfree.chart.plot.MeterInterval Java Examples

/**
 * Converts a JasperReports meter interval to one that JFreeChart understands.
 *
 * @param interval the JasperReports definition of an interval
 * @param evaluation current evaluation time
 * @return the JFreeChart version of the same interval
 * @throws JRException thrown when the interval contains an invalid range
 */
protected MeterInterval convertInterval(JRMeterInterval interval, byte evaluation) throws JRException
{
	String label = interval.getLabel();
	if (label == null)
	{
		label = "";
	}

	Range range = convertRange(interval.getDataRange(), evaluation);

	Color color = interval.getBackgroundColor();
	float[] components = color.getRGBColorComponents(null);
	float alpha = (float)(interval.getAlphaDouble() == null ? JRMeterInterval.DEFAULT_TRANSPARENCY : interval.getAlphaDouble());

	Color alphaColor = new Color(components[0], components[1], components[2], alpha);

	return new MeterInterval(label, range, alphaColor, null, alphaColor);
}
 

/**
 * Converts a JasperReports meter interval to one that JFreeChart understands.
 *
 * @param interval the JasperReports definition of an interval
 * @return the JFreeChart version of the same interval
 * @throws JRException thrown when the interval contains an invalid range
 */
protected MeterInterval convertInterval(JRMeterInterval interval) throws JRException
{
	String label = interval.getLabel();
	if (label == null)
	{
		label = "";
	}

	Range range = convertRange(interval.getDataRange());

	Color color = interval.getBackgroundColor() == null ? getChart().getBackcolor() : interval.getBackgroundColor();//FIXMETHEME check this null protection
	float[] components = color.getRGBColorComponents(null);

	float alpha = (float)(interval.getAlphaDouble() == null ? JRMeterInterval.DEFAULT_TRANSPARENCY : interval.getAlphaDouble());
	Color alphaColor = new Color(components[0], components[1], components[2], alpha);

	return new MeterInterval(label, range, alphaColor, null, alphaColor);
}
 

/**
 * Converts a JasperReports meter interval to one that JFreeChart understands.
 *
 * @param interval the JasperReports definition of an interval
 * @return the JFreeChart version of the same interval
 * @throws JRException thrown when the interval contains an invalid range
 */
protected MeterInterval convertInterval(JRMeterInterval interval) throws JRException
{
	String label = interval.getLabel();
	if (label == null)
		label = "";

	Range range = convertRange(interval.getDataRange());

	Color color = interval.getBackgroundColor() != null ? interval.getBackgroundColor() : (Color)ChartThemesConstants.TRANSPARENT_PAINT;
	float[] components = color.getRGBColorComponents(null);

	float alpha = (float)(interval.getAlphaDouble() == null ? JRMeterInterval.DEFAULT_TRANSPARENCY : interval.getAlphaDouble());
	Color alphaColor = new Color(components[0], components[1], components[2], alpha);

	return new MeterInterval(label, range, alphaColor, null, alphaColor);
}
 

/**
 * Converts a JasperReports meter interval to one that JFreeChart understands.
 *
 * @param interval the JasperReports definition of an interval
 * @return the JFreeChart version of the same interval
 * @throws JRException thrown when the interval contains an invalid range
 */
protected MeterInterval convertInterval(JRMeterInterval interval) throws JRException
{
	String label = interval.getLabel();
	if (label == null)
		label = "";

	Range range = convertRange(interval.getDataRange());

	Color color = interval.getBackgroundColor() != null ? interval.getBackgroundColor() : (Color)ChartThemesConstants.TRANSPARENT_PAINT;
	float[] components = color.getRGBColorComponents(null);

	float alpha = (float)(interval.getAlphaDouble() == null ? JRMeterInterval.DEFAULT_TRANSPARENCY : interval.getAlphaDouble());
	Color alphaColor = new Color(components[0], components[1], components[2], alpha);

	return new MeterInterval(label, range, alphaColor, null, alphaColor);
}
 

/**
 * Draws the chart with a single range.  At one point, this caused a null
 * pointer exception (fixed now).
 */
public void testDrawWithNullInfo() {
    boolean success = false;
    MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
    JFreeChart chart = new JFreeChart(plot);
    try {
        BufferedImage image = new BufferedImage(200, 100,
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
        g2.dispose();
        success = true;
    }
    catch (Exception e) {
        success = false;
    }
    assertTrue(success);
}
 

/**
 * Draws the chart with a single range.  At one point, this caused a null
 * pointer exception (fixed now).
 */
public void testDrawWithNullInfo() {
    boolean success = false;
    MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
    JFreeChart chart = new JFreeChart(plot);
    try {
        BufferedImage image = new BufferedImage(200, 100, 
                BufferedImage.TYPE_INT_RGB);
        Graphics2D g2 = image.createGraphics();
        chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
        g2.dispose();
        success = true;
    }
    catch (Exception e) {
        success = false;   
    }
    assertTrue(success);
}
 

/**
 * Draws the chart with a single range.  At one point, this caused a null
 * pointer exception (fixed now).
 */
@Test
public void testDrawWithNullInfo() {
    MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
    JFreeChart chart = new JFreeChart(plot);
    BufferedImage image = new BufferedImage(200, 100,
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
    g2.dispose();
    //FIXME we should really assert a value here
}
 

/**
 * Draws the chart with a single range.  At one point, this caused a null
 * pointer exception (fixed now).
 */
@Test
public void testDrawWithNullInfo() {
    MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
    JFreeChart chart = new JFreeChart(plot);
    BufferedImage image = new BufferedImage(200, 100,
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
    g2.dispose();
    //FIXME we should really assert a value here
}
 

/**
 * Draws the chart with a single range.  At one point, this caused a null
 * pointer exception (fixed now).
 */
@Test
public void testDrawWithNullInfo() {
    MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
    JFreeChart chart = new JFreeChart(plot);
    BufferedImage image = new BufferedImage(200, 100,
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
    g2.dispose();
    //FIXME we should really assert a value here
}
 

private JFreeChart getGaugeChart( BaseChart chart, ValueDataset dataSet )
{
    MeterPlot meterPlot = new MeterPlot( dataSet );

    meterPlot.setUnits( "" );
    meterPlot.setRange( new Range( 0.0d, 100d ) );

    for ( int i = 0; i < 10; i++ )
    {
        double start = i * 10d;
        double end = start + 10d;
        String label = String.valueOf( start );

        meterPlot.addInterval( new MeterInterval( label, new Range( start, end ), COLOR_LIGHT_GRAY, null, COLOR_LIGHT_GRAY ) );
    }

    meterPlot.setMeterAngle( 180 );
    meterPlot.setDialBackgroundPaint( COLOR_LIGHT_GRAY );
    meterPlot.setDialShape( DialShape.CHORD );
    meterPlot.setNeedlePaint( COLORS[0] );
    meterPlot.setTickLabelsVisible( true );
    meterPlot.setTickLabelFont( LABEL_FONT );
    meterPlot.setTickLabelPaint( Color.BLACK );
    meterPlot.setTickPaint( COLOR_LIGHTER_GRAY );
    meterPlot.setValueFont( TITLE_FONT );
    meterPlot.setValuePaint( Color.BLACK );

    JFreeChart meterChart = new JFreeChart( chart.getName(), meterPlot );
    setBasicConfig( meterChart, chart );
    meterChart.removeLegend();

    return meterChart;
}
 

private JFreeChart getGaugeChart( final Visualization visualization, ValueDataset dataSet )
{
    MeterPlot meterPlot = new MeterPlot( dataSet );

    meterPlot.setUnits( "" );
    meterPlot.setRange( new Range( 0.0d, 100d ) );

    for ( int i = 0; i < 10; i++ )
    {
        double start = i * 10d;
        double end = start + 10d;
        String label = String.valueOf( start );

        meterPlot.addInterval( new MeterInterval( label, new Range( start, end ), COLOR_LIGHT_GRAY, null, COLOR_LIGHT_GRAY ) );
    }

    meterPlot.setMeterAngle( 180 );
    meterPlot.setDialBackgroundPaint( COLOR_LIGHT_GRAY );
    meterPlot.setDialShape( DialShape.CHORD );
    meterPlot.setNeedlePaint( COLORS[0] );
    meterPlot.setTickLabelsVisible( true );
    meterPlot.setTickLabelFont( LABEL_FONT );
    meterPlot.setTickLabelPaint( Color.BLACK );
    meterPlot.setTickPaint( COLOR_LIGHTER_GRAY );
    meterPlot.setValueFont( TITLE_FONT );
    meterPlot.setValuePaint( Color.BLACK );

    JFreeChart meterChart = new JFreeChart( visualization.getName(), meterPlot );
    setBasicConfig( meterChart, visualization );
    meterChart.removeLegend();

    return meterChart;
}
 

/**
 * Draws the chart with a single range.  At one point, this caused a null
 * pointer exception (fixed now).
 */
@Test
public void testDrawWithNullInfo() {
    MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
    JFreeChart chart = new JFreeChart(plot);
    BufferedImage image = new BufferedImage(200, 100,
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
    g2.dispose();
    //FIXME we should really assert a value here
}
 

/**
 * Draws the chart with a single range.  At one point, this caused a null
 * pointer exception (fixed now).
 */
@Test
public void testDrawWithNullInfo() {
    MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
    plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
    JFreeChart chart = new JFreeChart(plot);
    BufferedImage image = new BufferedImage(200, 100,
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
    g2.dispose();
    //FIXME we should really assert a value here
}
 

/**
 * Creates the chart .
 * 
 * @param chartTitle  the chart title.
 * @param dataset  the dataset.
 * 
 * @return A chart .
 */

public JFreeChart createChart(DatasetMap datasets) {

	Dataset dataset=(Dataset)datasets.getDatasets().get("1");

	MeterPlot plot = new MeterPlot((ValueDataset)dataset);
	plot.setRange(new Range(lower, upper));


	for (Iterator iterator = intervals.iterator(); iterator.hasNext();) {
		KpiInterval interval = (KpiInterval) iterator.next();

		plot.addInterval(new MeterInterval(interval.getLabel(), new Range(interval.getMin(), interval.getMax()), 
				Color.lightGray, new BasicStroke(2.0f), 
				interval.getColor()));
	}

	plot.setNeedlePaint(Color.darkGray);
	plot.setDialBackgroundPaint(Color.white);
	plot.setDialOutlinePaint(Color.gray);
	plot.setDialShape(DialShape.CHORD);
	plot.setMeterAngle(260);
	plot.setTickLabelsVisible(true);
	//set tick label style
	Font tickLabelsFont = new Font(labelsTickStyle.getFontName(), Font.PLAIN, labelsTickStyle.getSize());
	plot.setTickLabelFont(tickLabelsFont);
	plot.setTickLabelPaint(labelsTickStyle.getColor());
	plot.setTickSize(5.0);
	plot.setTickPaint(Color.lightGray);
	if(units!=null){
		plot.setUnits(units);
	}

	plot.setValuePaint(labelsValueStyle.getColor());
	plot.setValueFont(new Font(labelsValueStyle.getFontName(), Font.PLAIN, labelsValueStyle.getSize()));

	JFreeChart chart = new JFreeChart(name, 
			JFreeChart.DEFAULT_TITLE_FONT, plot, legend);
	chart.setBackgroundPaint(color);
	
	TextTitle title = setStyleTitle(name, styleTitle);
	chart.setTitle(title);
	if(subName!= null && !subName.equals("")){
		TextTitle subTitle =setStyleTitle(subName, styleSubTitle);
		chart.addSubtitle(subTitle);
	}

	return chart;
}
 

/**
 * This class is immutable so cloning isn't required.
 */
public void testCloning() {
    MeterInterval m1 = new MeterInterval("X", new Range(1.0, 2.0));
    assertFalse(m1 instanceof Cloneable);
}
 

/**
 * This class is immutable so cloning isn't required.
 */
public void testCloning() {
    MeterInterval m1 = new MeterInterval("X", new Range(1.0, 2.0));
    assertFalse(m1 instanceof Cloneable);
}