Java LegendTitle.setBackgroundPaint方法代码示例

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
protected final void addLegend() {
    if (chart == null) {
        throw new IllegalStateException("initChart() must be called first");
    }

    LegendTitle legend = new LegendTitle(chart.getPlot());
    legend.setItemFont(LEGEND_FONT);
    legend.setBorder(0, 0, 0, 0);
    legend.setBackgroundPaint(Color.WHITE);
    legend.setPosition(RectangleEdge.BOTTOM);

    RectangleInsets padding = new RectangleInsets(5, 5, 5, 5);
    legend.setItemLabelPadding(padding);

    chart.addLegend(legend);
}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
/**
 * Check that the equals() method distinguishes all fields.
 */
public void testEquals() {
    XYPlot plot1 = new XYPlot();
    LegendTitle t1 = new LegendTitle(plot1);
    LegendTitle t2 = new LegendTitle(plot1);
    assertEquals(t1, t2);
    
    t1.setBackgroundPaint(
        new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.yellow)
    );
    assertFalse(t1.equals(t2));
    t2.setBackgroundPaint(
        new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.yellow)
    );
    assertTrue(t1.equals(t2));
    
    t1.setLegendItemGraphicEdge(RectangleEdge.BOTTOM);
    assertFalse(t1.equals(t2));
    t2.setLegendItemGraphicEdge(RectangleEdge.BOTTOM);
    assertTrue(t1.equals(t2));
    
    t1.setLegendItemGraphicAnchor(RectangleAnchor.BOTTOM_LEFT);
    assertFalse(t1.equals(t2));
    t2.setLegendItemGraphicAnchor(RectangleAnchor.BOTTOM_LEFT);
    assertTrue(t1.equals(t2));
    
    t1.setLegendItemGraphicLocation(RectangleAnchor.TOP_LEFT);
    assertFalse(t1.equals(t2));
    t2.setLegendItemGraphicLocation(RectangleAnchor.TOP_LEFT);
    assertTrue(t1.equals(t2));
    
    t1.setItemFont(new Font("Dialog", Font.PLAIN, 19));
    assertFalse(t1.equals(t2));
    t2.setItemFont(new Font("Dialog", Font.PLAIN, 19));
    assertTrue(t1.equals(t2));
}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
/**
 * Applies the attributes of this theme to the specified title.
 *
 * @param title  the title.
 */
protected void applyToTitle(Title title) {
    if (title instanceof TextTitle) {
        TextTitle tt = (TextTitle) title;
        tt.setFont(this.largeFont);
        tt.setPaint(this.subtitlePaint);
    }
    else if (title instanceof LegendTitle) {
        LegendTitle lt = (LegendTitle) title;
        if (lt.getBackgroundPaint() != null) {
            lt.setBackgroundPaint(this.legendBackgroundPaint);
        }
        lt.setItemFont(this.regularFont);
        lt.setItemPaint(this.legendItemPaint);
        if (lt.getWrapper() != null) {
            applyToBlockContainer(lt.getWrapper());
        }
    }
    else if (title instanceof PaintScaleLegend) {
        PaintScaleLegend psl = (PaintScaleLegend) title;
        psl.setBackgroundPaint(this.legendBackgroundPaint);
        ValueAxis axis = psl.getAxis();
        if (axis != null) {
            applyToValueAxis(axis);
        }
    }
    else if (title instanceof CompositeTitle) {
        CompositeTitle ct = (CompositeTitle) title;
        BlockContainer bc = ct.getContainer();
        List blocks = bc.getBlocks();
        Iterator iterator = blocks.iterator();
        while (iterator.hasNext()) {
            Block b = (Block) iterator.next();
            if (b instanceof Title) {
                applyToTitle((Title) b);
            }
        }
    }
}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
private void incluirLegenda(final XYPlot plot) {
    if (isLegenda()) {
        LegendTitle lt = new LegendTitle(plot);
        lt.setItemFont(new Font("Dialog", Font.PLAIN, 11));
        lt.setBackgroundPaint(new Color(255, 255, 255, 100));
        lt.setBorder(new BlockBorder(new Color(180, 180, 180)));
        lt.setPosition(RectangleEdge.TOP);
        XYTitleAnnotation ta = new XYTitleAnnotation(0.01, 0.98, lt,
                RectangleAnchor.TOP_LEFT);
        ta.setMaxWidth(0.48);
        plot.addAnnotation(ta);
    }
}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
private void setLegend(JFreeChart chart, Plot plot, Font font) {
	if(!showlegend) return;
		
		
	Color bg = backgroundcolor==null?databackgroundcolor:backgroundcolor;
	if(font==null)font=getFont();
	
	
	
	LegendTitle legend = legendMultiLine?
       		new LegendTitle(plot,new ColumnArrangement(), new ColumnArrangement()):
       		new LegendTitle(plot);
       legend.setBackgroundPaint(bg);
       legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
       legend.setFrame(new LineBorder());
       legend.setPosition(RectangleEdge.BOTTOM);
       legend.setHorizontalAlignment(HorizontalAlignment.LEFT);
       
       legend.setWidth(chartwidth-20);// geht nicht
       legend.setItemFont(font);
	legend.setItemPaint(foregroundcolor);

	//RectangleInsets labelPadding;
	legend.setItemLabelPadding(new RectangleInsets(2,2,2,2));
	legend.setBorder(0,0,0,0); 
	legend.setLegendItemGraphicLocation(RectangleAnchor.TOP_LEFT);
	legend.setLegendItemGraphicPadding(new RectangleInsets(8,10,0,0));
	chart.addLegend(legend);
	
}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
/**
 * Check that the equals() method distinguishes all fields.
 */
public void testEquals() {
    XYPlot plot1 = new XYPlot();
    LegendTitle t1 = new LegendTitle(plot1);
    LegendTitle t2 = new LegendTitle(plot1);
    assertEquals(t1, t2);

    t1.setBackgroundPaint(
        new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.yellow)
    );
    assertFalse(t1.equals(t2));
    t2.setBackgroundPaint(
        new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.yellow)
    );
    assertTrue(t1.equals(t2));

    t1.setLegendItemGraphicEdge(RectangleEdge.BOTTOM);
    assertFalse(t1.equals(t2));
    t2.setLegendItemGraphicEdge(RectangleEdge.BOTTOM);
    assertTrue(t1.equals(t2));

    t1.setLegendItemGraphicAnchor(RectangleAnchor.BOTTOM_LEFT);
    assertFalse(t1.equals(t2));
    t2.setLegendItemGraphicAnchor(RectangleAnchor.BOTTOM_LEFT);
    assertTrue(t1.equals(t2));

    t1.setLegendItemGraphicLocation(RectangleAnchor.TOP_LEFT);
    assertFalse(t1.equals(t2));
    t2.setLegendItemGraphicLocation(RectangleAnchor.TOP_LEFT);
    assertTrue(t1.equals(t2));

    t1.setItemFont(new Font("Dialog", Font.PLAIN, 19));
    assertFalse(t1.equals(t2));
    t2.setItemFont(new Font("Dialog", Font.PLAIN, 19));
    assertTrue(t1.equals(t2));
}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
private static JFreeChart createBarChart(ADCDataset dataset) {
    AutoSubCategoryAxis categoryAxis = new AutoSubCategoryAxis(dataset);
    categoryAxis.setCategoryLabelPositionOffset(0);
    categoryAxis.setLabel(dataset.get(Attribute.X_AXIS_LABEL));
    CategoryDataset fixedDataset = categoryAxis.getFixedDataset();
    PartitionedNumberAxis vAxis = new PartitionedNumberAxis(
        dataset.get(Attribute.Y_AXIS_LABEL));
    CategoryPlot plot = new CategoryPlot(fixedDataset,
            categoryAxis, vAxis, new Renderer(fixedDataset));
    plot.setOrientation(PlotOrientation.VERTICAL);
    JFreeChart chart = new JFreeChart(dataset.get(Attribute.TITLE),
        JFreeChart.DEFAULT_TITLE_FONT, plot, false);
    final LegendItemCollection items = new LegendItemCollection();
    for(Condition c : Condition.values()) {
        if(c != Condition.NOT_EVALUATED) {
            items.add(new LegendItem(c.getLabel(), null, null, null,
                    new Rectangle2D.Double(-6.0, -6.0, 10.0,10.0), c.getColor()));
        }
    }
    LegendTitle legend = new LegendTitle(new LegendItemSource() {
        @Override
        public LegendItemCollection getLegendItems() {
            return items;
        }});
    legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
    legend.setBackgroundPaint(Color.white);
    legend.setPosition(RectangleEdge.BOTTOM);
    chart.addLegend(legend);
    new StandardChartTheme("JFree").apply(chart);
    return chart;
}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
/**
 * Creates a chart.
 * 
 * @param dataset  a dataset.
 * 
 * @return A chart.
 */
private static JFreeChart createChart(XYDataset dataset) {

    JFreeChart chart = ChartFactory.createTimeSeriesChart(
        "Legal & General Unit Trust Prices",  // title
        "Date",             // x-axis label
        "Price Per Unit",   // y-axis label
        dataset,            // data
        false,               // create legend?
        true,               // generate tooltips?
        false               // generate URLs?
    );

    chart.setBackgroundPaint(Color.white);

    XYPlot plot = (XYPlot) chart.getPlot();
    plot.setBackgroundPaint(Color.lightGray);
    plot.setDomainGridlinePaint(Color.white);
    plot.setRangeGridlinePaint(Color.white);
    plot.setAxisOffset(new RectangleInsets(5.0, 5.0, 5.0, 5.0));
    plot.setDomainCrosshairVisible(true);
    plot.setRangeCrosshairVisible(true);

    LegendTitle lt = new LegendTitle(plot);
    lt.setItemFont(new Font("Dialog", Font.PLAIN, 9));
    lt.setBackgroundPaint(new Color(200, 200, 255, 100));
    lt.setBorder(new BlockBorder(Color.white));
    lt.setPosition(RectangleEdge.BOTTOM);
    XYTitleAnnotation ta = new XYTitleAnnotation(0.98, 0.02, lt, 
            RectangleAnchor.BOTTOM_RIGHT);
    
    ta.setMaxWidth(0.48);
    plot.addAnnotation(ta);

    XYItemRenderer r = plot.getRenderer();
    if (r instanceof XYLineAndShapeRenderer) {
        XYLineAndShapeRenderer renderer = (XYLineAndShapeRenderer) r;
        renderer.setBaseShapesVisible(true);
        renderer.setBaseShapesFilled(true);
    }
    
    DateAxis axis = (DateAxis) plot.getDomainAxis();
    axis.setDateFormatOverride(new SimpleDateFormat("MMM-yyyy"));
    
    ValueAxis yAxis = plot.getRangeAxis();
    yAxis.setLowerMargin(0.35);
    return chart;

}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
/**
 * Creates a new chart with the given title and plot.  The 
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.  
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range 
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title 
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data 
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should   
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot, 
                  boolean createLegend) {

    if (plot == null) {
        throw new NullPointerException("Null 'plot' argument.");
    }

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the 
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING, 
            RenderingHints.VALUE_ANTIALIAS_ON);

    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;
    
    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setFrame(new LineBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
/**
 * Creates a new chart with the given title and plot.  The
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot,
                  boolean createLegend) {

    ParamChecks.nullNotPermitted(plot, "plot");

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);
    // added the following hint because of 
    // http://stackoverflow.com/questions/7785082/
    this.renderingHints.put(RenderingHints.KEY_STROKE_CONTROL,
            RenderingHints.VALUE_STROKE_PURE);
    
    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;

    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setFrame(new LineBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
        legend.addChangeListener(this);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
/**
 * Creates a new chart with the given title and plot.  The
 * {@code createLegend} argument specifies whether or not a legend
 * should be added to the chart.
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title ({@code null} permitted).
 * @param titleFont  the font for displaying the chart title
 *                   ({@code null} permitted).
 * @param plot  controller of the visual representation of the data
 *              ({@code null} not permitted).
 * @param createLegend  a flag indicating whether or not a legend should
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot,
                  boolean createLegend) {

    Args.nullNotPermitted(plot, "plot");
    this.id = null;
    plot.setChart(this);
    
    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);
    // added the following hint because of 
    // http://stackoverflow.com/questions/7785082/
    this.renderingHints.put(RenderingHints.KEY_STROKE_CONTROL,
            RenderingHints.VALUE_STROKE_PURE);
    
    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.BLACK;

    this.padding = RectangleInsets.ZERO_INSETS;

    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setBackgroundPaint(Color.WHITE);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
        legend.addChangeListener(this);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;
}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
protected void setChartLegend(JFreeChart jfreeChart, Integer baseFontSize)
{

	//The legend visibility is already taken into account in the jfreeChart object's constructor
	
	LegendTitle legend = jfreeChart.getLegend();
	if (legend != null)
	{
		Font themeLegendFont = getFont((JRFont)getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.LEGEND_FONT), getChart().getLegendFont(), baseFontSize);
		legend.setItemFont(themeLegendFont);

		Color legendForecolor = getChart().getOwnLegendColor() != null ? 
				getChart().getOwnLegendColor() :
				(getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.LEGEND_FORECOLOR) != null ? 
						(Color)getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.LEGEND_FORECOLOR) :
						getChart().getLegendColor());
		if (legendForecolor != null)
			legend.setItemPaint(legendForecolor);

		Color legendBackcolor = getChart().getOwnLegendBackgroundColor() != null ? 
				getChart().getOwnLegendBackgroundColor() :
				(getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.LEGEND_BACKCOLOR) != null ? 
						(Color)getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.LEGEND_BACKCOLOR) :
						getChart().getLegendBackgroundColor());
		if (legendBackcolor != null)
			legend.setBackgroundPaint(legendBackcolor);
		
		BlockFrame frame = (BlockFrame)getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.LEGEND_FRAME);
		if (frame != null)
			legend.setFrame(frame);
		
		HorizontalAlignment defaultLegendHAlignment = (HorizontalAlignment)getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.LEGEND_HORIZONTAL_ALIGNMENT);
		if (defaultLegendHAlignment != null)
			legend.setHorizontalAlignment(defaultLegendHAlignment);
		
		VerticalAlignment defaultLegendVAlignment = (VerticalAlignment)getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.LEGEND_VERTICAL_ALIGNMENT);
		if (defaultLegendVAlignment != null)
			legend.setVerticalAlignment(defaultLegendVAlignment);
		
		RectangleInsets defaultLegendPadding = (RectangleInsets)getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.LEGEND_PADDING);
		RectangleInsets legendPadding = legend.getPadding() != null ? legend.getPadding() : defaultLegendPadding;
		if (legendPadding != null)
			legend.setPadding(legendPadding);

		RectangleEdge defaultLegendPosition = (RectangleEdge)getDefaultValue(defaultChartPropertiesMap, ChartThemesConstants.LEGEND_POSITION);
		if (getEdge(getChart().getLegendPositionValue(), defaultLegendPosition) != null)
			legend.setPosition(getEdge(getChart().getLegendPositionValue(), defaultLegendPosition));
		
	}
}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
/**
 *
 */
protected void configureChart(JFreeChart jfreeChart) throws JRException
{
	if (getChart().getModeValue() == ModeEnum.OPAQUE)
	{
		jfreeChart.setBackgroundPaint(getChart().getBackcolor());
	}
	else
	{
		jfreeChart.setBackgroundPaint(null);
	}
	
	RectangleEdge titleEdge = getEdge(getChart().getTitlePositionValue(), RectangleEdge.TOP);
	
	if (jfreeChart.getTitle() != null)
	{
		TextTitle title = jfreeChart.getTitle();
		title.setPaint(getChart().getTitleColor());

		title.setFont(fontUtil.getAwtFont(getFont(getChart().getTitleFont()), getLocale()));
		title.setPosition(titleEdge);
	}

	String subtitleText = evaluateTextExpression(getChart().getSubtitleExpression());
	if (subtitleText != null)
	{
		TextTitle subtitle = new TextTitle(subtitleText);
		subtitle.setPaint(getChart().getSubtitleColor());

		subtitle.setFont(fontUtil.getAwtFont(getFont(getChart().getSubtitleFont()), getLocale()));
		subtitle.setPosition(titleEdge);

		jfreeChart.addSubtitle(subtitle);
	}

	// Apply all of the legend formatting options
	LegendTitle legend = jfreeChart.getLegend();
	if (legend != null)
	{
		legend.setItemPaint(getChart().getLegendColor());

		if (getChart().getOwnLegendBackgroundColor() == null)// in a way, legend backcolor inheritance from chart is useless
		{
			legend.setBackgroundPaint(null);
		}
		else
		{
			legend.setBackgroundPaint(getChart().getLegendBackgroundColor());
		}

		legend.setItemFont(fontUtil.getAwtFont(getFont(getChart().getLegendFont()), getLocale()));
		legend.setPosition(getEdge(getChart().getLegendPositionValue(), RectangleEdge.BOTTOM));
	}
	
	configurePlot(jfreeChart.getPlot());
}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
/**
 * Creates a new chart with the given title and plot.  The
 * <code>createLegend</code> argument specifies whether or not a legend
 * should be added to the chart.
 * <br><br>
 * Note that the  {@link ChartFactory} class contains a range
 * of static methods that will return ready-made charts, and often this
 * is a more convenient way to create charts than using this constructor.
 *
 * @param title  the chart title (<code>null</code> permitted).
 * @param titleFont  the font for displaying the chart title
 *                   (<code>null</code> permitted).
 * @param plot  controller of the visual representation of the data
 *              (<code>null</code> not permitted).
 * @param createLegend  a flag indicating whether or not a legend should
 *                      be created for the chart.
 */
public JFreeChart(String title, Font titleFont, Plot plot,
                  boolean createLegend) {

    if (plot == null) {
        throw new NullPointerException("Null 'plot' argument.");
    }

    // create storage for listeners...
    this.progressListeners = new EventListenerList();
    this.changeListeners = new EventListenerList();
    this.notify = true;  // default is to notify listeners when the
                         // chart changes

    this.renderingHints = new RenderingHints(
            RenderingHints.KEY_ANTIALIASING,
            RenderingHints.VALUE_ANTIALIAS_ON);

    this.borderVisible = false;
    this.borderStroke = new BasicStroke(1.0f);
    this.borderPaint = Color.black;

    this.padding = RectangleInsets.ZERO_INSETS;

    this.plot = plot;
    plot.addChangeListener(this);

    this.subtitles = new ArrayList();

    // create a legend, if requested...
    if (createLegend) {
        LegendTitle legend = new LegendTitle(this.plot);
        legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));
        legend.setFrame(new LineBorder());
        legend.setBackgroundPaint(Color.white);
        legend.setPosition(RectangleEdge.BOTTOM);
        this.subtitles.add(legend);
        legend.addChangeListener(this);
    }

    // add the chart title, if one has been specified...
    if (title != null) {
        if (titleFont == null) {
            titleFont = DEFAULT_TITLE_FONT;
        }
        this.title = new TextTitle(title, titleFont);
        this.title.addChangeListener(this);
    }

    this.backgroundPaint = DEFAULT_BACKGROUND_PAINT;

    this.backgroundImage = DEFAULT_BACKGROUND_IMAGE;
    this.backgroundImageAlignment = DEFAULT_BACKGROUND_IMAGE_ALIGNMENT;
    this.backgroundImageAlpha = DEFAULT_BACKGROUND_IMAGE_ALPHA;

}
 

import org.jfree.chart.title.LegendTitle; //导入方法依赖的package包/类
private void setLegend(JFreeChart chart, boolean bShowLegend, Font font, Color foregroundColor, Color backgroundColor, cfCHARTLEGENDData legendData) throws cfmRunTimeException {
	LegendTitle legend = new LegendTitle(chart.getPlot());
	legend.setMargin(new RectangleInsets(1.0, 1.0, 1.0, 1.0));

	// If a CFCHARTLEGEND tag was used then use it's attributes to configure the
	// legend
	if (legendData != null) {
		// A CFCHARTLEGEND tag is present so use its attributes to configure the
		// legend
		legend.setItemFont(getFont(legendData.getFont(), legendData.getFontBold(), legendData.getFontItalic(), legendData.getFontSize()));
		legend.setItemPaint(convertStringToColor(legendData.getLabelColor()));
		legend.setBackgroundPaint(convertStringToColor(legendData.getBackgroundColor()));

		String pos = legendData.getPosition();
		if (pos.equals("top"))
			legend.setPosition(RectangleEdge.TOP);
		else if (pos.equals("bottom"))
			legend.setPosition(RectangleEdge.BOTTOM);
		else if (pos.equals("left"))
			legend.setPosition(RectangleEdge.LEFT);
		else if (pos.equals("right"))
			legend.setPosition(RectangleEdge.RIGHT);

		if (!legendData.getShowBorder())
			legend.setBorder(BlockBorder.NONE);
		else
			legend.setBorder(new BlockBorder());
	} else {
		// A CFCHARTLEGEND tag is NOT present so use the attributes from the
		// CFCHART tag to configure the legend
		if (!bShowLegend)
			return;

		legend.setItemFont(font);
		legend.setItemPaint(foregroundColor);
		legend.setBackgroundPaint(backgroundColor);

		// By default CFMX 7 places the legend at the top with no border
		legend.setPosition(RectangleEdge.TOP);
		legend.setBorder(BlockBorder.NONE);
	}

	// Add the legend to the chart
	chart.addSubtitle(legend);
}