How to use

AreaRenderer

in

org.jfree.chart.renderer.category

/**
 * Checks this instance for equality with an arbitrary object.
 *
 * @param obj  the object ({@code null} not permitted).
 *
 * @return A boolean.
 */
@Override
public boolean equals(Object obj) {
  if (obj == this) {
    return true;
  }
  if (!(obj instanceof StackedAreaRenderer)) {
    return false;
  }
  StackedAreaRenderer that = (StackedAreaRenderer) obj;
  if (this.renderAsPercentages != that.renderAsPercentages) {
    return false;
  }
  return super.equals(obj);
}

/**
 * Sets a token that controls how the renderer draws the end points, and
 * sends a {@link RendererChangeEvent} to all registered listeners.
 *
 * @param type  the end type (<code>null</code> not permitted).
 *
 * @see #getEndType()
 */
public void setEndType(AreaRendererEndType type) {
  if (type == null) {
    throw new IllegalArgumentException("Null 'type' argument.");
  }
  this.endType = type;
  fireChangeEvent();
}

CategoryPlot cp = getPlot();
if (cp == null) {
  return null;
if (!isSeriesVisible(series) || !isSeriesVisibleInLegend(series)) {
  return null;
String label = getLegendItemLabelGenerator().generateLabel(dataset,
    series);
String description = label;
String toolTipText = null;
if (getLegendItemToolTipGenerator() != null) {
  toolTipText = getLegendItemToolTipGenerator().generateLabel(
      dataset, series);
if (getLegendItemURLGenerator() != null) {
  urlText = getLegendItemURLGenerator().generateLabel(dataset,
      series);
Shape shape = lookupLegendShape(series);
Paint paint = lookupSeriesPaint(series);
Paint outlinePaint = lookupSeriesOutlinePaint(series);
Stroke outlineStroke = lookupSeriesOutlineStroke(series);
result.setLabelFont(lookupLegendTextFont(series));
Paint labelPaint = lookupLegendTextPaint(series);
if (labelPaint != null) {
  result.setLabelPaint(labelPaint);

if (!getItemVisible(row, column)) {
  return;
    x0 = x1;
  else if (column == getColumnCount() - 1) {
    x2 = x1;
double labelXX = x1;
double labelYY = y1;
g2.setPaint(getItemPaint(row, column));
g2.setStroke(getItemStroke(row, column));
g2.setPaint(getItemPaint(row, column));
g2.fill(area);
if (isItemLabelVisible(row, column)) {
  drawItemLabel(g2, orientation, dataset, row, column, labelXX,
      labelYY, (value.doubleValue() < 0.0));
updateCrosshairValues(state.getCrosshairState(), 
    dataset.getRowKey(row), dataset.getColumnKey(column), yy1,
    datasetIndex, x1, y1, orientation);
  addItemEntity(entities, dataset, row, column, area);

private static JFreeChart createAreaChart( final CategoryDatasetChartDefinition chartDefinition ) {
 // TODO Make the following accessible from the chartDefinition
 String categoryAxisLabel = null;
 String valueAxisLabel = null;
 boolean tooltips = true;
 boolean urls = true;
 // -----------------------------------------------------------
 String title = chartDefinition.getTitle();
 boolean legend = chartDefinition.isLegendIncluded();
 CategoryAxis categoryAxis = new CategoryAxis( categoryAxisLabel );
 ValueAxis valueAxis = new NumberAxis( valueAxisLabel );
 AreaRenderer renderer = chartDefinition.isStacked() ? new StackedAreaRenderer() : new AreaRenderer();
 if ( tooltips ) {
  renderer.setBaseToolTipGenerator( new StandardCategoryToolTipGenerator() );
 }
 if ( urls ) {
  renderer.setBaseItemURLGenerator( new StandardCategoryURLGenerator() );
 }
 CategoryPlot plot = new CategoryPlot( chartDefinition, categoryAxis, valueAxis, renderer );
 JFreeChartEngine.updatePlot( plot, chartDefinition );
 JFreeChart chart = new JFreeChart( title, JFreeChart.DEFAULT_TITLE_FONT, plot, legend );
 return chart;
}

AreaRenderer renderer = new AreaRenderer();
if (tooltips) {
  renderer.setDefaultToolTipGenerator(
      new StandardCategoryToolTipGenerator());
  renderer.setDefaultItemURLGenerator(
      new StandardCategoryURLGenerator());

renderer = new AreaRenderer();

CategoryPlot cp = getPlot();
if (cp == null) {
  return null;
if (!isSeriesVisible(series) || !isSeriesVisibleInLegend(series)) {
  return null;
String label = getLegendItemLabelGenerator().generateLabel(dataset,
    series);
String description = label;
String toolTipText = null;
if (getLegendItemToolTipGenerator() != null) {
  toolTipText = getLegendItemToolTipGenerator().generateLabel(
      dataset, series);
if (getLegendItemURLGenerator() != null) {
  urlText = getLegendItemURLGenerator().generateLabel(dataset,
      series);
Shape shape = lookupLegendShape(series);
Paint paint = lookupSeriesPaint(series);
Paint outlinePaint = lookupSeriesOutlinePaint(series);
Stroke outlineStroke = lookupSeriesOutlineStroke(series);
result.setLabelFont(lookupLegendTextFont(series));
Paint labelPaint = lookupLegendTextPaint(series);
if (labelPaint != null) {
  result.setLabelPaint(labelPaint);

if (!getItemVisible(row, column)) {
  return;
    x0 = x1;
  else if (column == getColumnCount() - 1) {
    x2 = x1;
double labelXX = x1;
double labelYY = y1;
g2.setPaint(getItemPaint(row, column));
g2.setStroke(getItemStroke(row, column));
g2.setPaint(getItemPaint(row, column));
g2.fill(area);
if (isItemLabelVisible(row, column)) {
  drawItemLabel(g2, orientation, dataset, row, column, labelXX,
      labelYY, (value.doubleValue() < 0.0));
updateCrosshairValues(state.getCrosshairState(), 
    dataset.getRowKey(row), dataset.getColumnKey(column), yy1,
    datasetIndex, x1, y1, orientation);
  addItemEntity(entities, dataset, row, column, area);

AreaRenderer renderer = new AreaRenderer();
if (tooltips) {
  renderer.setBaseToolTipGenerator(
      new StandardCategoryToolTipGenerator());
  renderer.setBaseItemURLGenerator(
      new StandardCategoryURLGenerator());

@Override
protected Plot getPlot(ChartParameters params) {
 DefaultCategoryDataset dataset = createDataset(params);
 CategoryAxis domainAxis = new CategoryAxis();
 domainAxis.setCategoryMargin(0.0);
 domainAxis.setLowerMargin(0.0);
 domainAxis.setUpperMargin(0.0);
 NumberAxis rangeAxis = new NumberAxis();
 rangeAxis.setNumberFormatOverride(NumberFormat.getIntegerInstance(params.getLocale()));
 rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
 AreaRenderer renderer = new AreaRenderer();
 CategoryPlot plot = new CategoryPlot(dataset, domainAxis, rangeAxis, renderer);
 plot.setForegroundAlpha(0.5f);
 plot.setDomainGridlinesVisible(true);
 configureColors(dataset, plot, params.getValues(PARAM_COLORS, ","));
 return plot;
}

/**
 * Sets a token that controls how the renderer draws the end points, and
 * sends a {@link RendererChangeEvent} to all registered listeners.
 *
 * @param type  the end type ({@code null} not permitted).
 *
 * @see #getEndType()
 */
public void setEndType(AreaRendererEndType type) {
  Args.nullNotPermitted(type, "type");
  this.endType = type;
  fireChangeEvent();
}

/**
 * Checks this instance for equality with an arbitrary object.
 *
 * @param obj  the object (<code>null</code> not permitted).
 *
 * @return A boolean.
 */
public boolean equals(Object obj) {
  if (obj == this) {
    return true;
  }
  if (!(obj instanceof StackedAreaRenderer)) {
    return false;
  }
  StackedAreaRenderer that = (StackedAreaRenderer) obj;
  if (this.renderAsPercentages != that.renderAsPercentages) {
    return false;
  }
  return super.equals(obj);
}