org.jfree.chart.renderer.category
Class StackedAreaRenderer

java.lang.Object
  extended byorg.jfree.chart.renderer.AbstractRenderer
      extended byorg.jfree.chart.renderer.category.AbstractCategoryItemRenderer
          extended byorg.jfree.chart.renderer.category.AreaRenderer
              extended byorg.jfree.chart.renderer.category.StackedAreaRenderer
All Implemented Interfaces:
CategoryItemRenderer, java.lang.Cloneable, LegendItemSource, java.io.Serializable

public class StackedAreaRenderer
extends AreaRenderer
implements java.lang.Cloneable, java.io.Serializable

A renderer that draws stacked area charts for a CategoryPlot.

Author:
Dan Rivett
See Also:
Serialized Form

Field Summary
 
Fields inherited from class org.jfree.chart.renderer.AbstractRenderer
DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, DEFAULT_PAINT, DEFAULT_SHAPE, DEFAULT_STROKE, DEFAULT_VALUE_LABEL_FONT, DEFAULT_VALUE_LABEL_PAINT, ZERO
 
Constructor Summary
StackedAreaRenderer()
          Creates a new renderer.
 
Method Summary
 void drawItem(java.awt.Graphics2D g2, CategoryItemRendererState state, java.awt.geom.Rectangle2D dataArea, CategoryPlot plot, CategoryAxis domainAxis, ValueAxis rangeAxis, CategoryDataset dataset, int row, int column, int pass)
          Draw a single data item.
 Range findRangeBounds(CategoryDataset dataset)
          Returns the range of values the renderer requires to display all the items from the specified dataset.
protected  double getPreviousHeight(CategoryDataset data, int series, int category)
          Calculates the stacked value of the all series up to, but not including series for the specified category, category.
 
Methods inherited from class org.jfree.chart.renderer.category.AreaRenderer
clone, getEndType, getLegendItem, setEndType
 
Methods inherited from class org.jfree.chart.renderer.category.AbstractCategoryItemRenderer
drawBackground, drawDomainGridline, drawItemLabel, drawOutline, drawRangeGridline, drawRangeMarker, equals, getBaseItemURLGenerator, getBaseLabelGenerator, getBaseToolTipGenerator, getColumnCount, getDomainAxis, getDrawingSupplier, getItemURLGenerator, getLabelGenerator, getLegendItems, getPassCount, getPlot, getRangeAxis, getRowCount, getSeriesItemURLGenerator, getSeriesLabelGenerator, getSeriesToolTipGenerator, getToolTipGenerator, getToolTipGenerator, hashCode, initialise, setBaseItemURLGenerator, setBaseLabelGenerator, setBaseToolTipGenerator, setItemURLGenerator, setLabelGenerator, setPlot, setSeriesItemURLGenerator, setSeriesLabelGenerator, setSeriesToolTipGenerator, setToolTipGenerator
 
Methods inherited from class org.jfree.chart.renderer.AbstractRenderer
addChangeListener, calculateLabelAnchorPoint, getBaseCreateEntities, getBaseFillPaint, getBaseItemLabelFont, getBaseItemLabelPaint, getBaseItemLabelsVisible, getBaseNegativeItemLabelPosition, getBaseOutlinePaint, getBaseOutlineStroke, getBasePaint, getBasePositiveItemLabelPosition, getBaseSeriesVisible, getBaseSeriesVisibleInLegend, getBaseShape, getBaseStroke, getCreateEntities, getItemCreateEntity, getItemFillPaint, getItemLabelAnchorOffset, getItemLabelFont, getItemLabelFont, getItemLabelPaint, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getNegativeItemLabelPosition, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisible, getSeriesVisibleInLegend, getSeriesVisibleInLegend, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisibleInLegend, notifyListeners, removeChangeListener, setBaseCreateEntities, setBaseCreateEntities, setBaseFillPaint, setBaseFillPaint, setBaseItemLabelFont, setBaseItemLabelFont, setBaseItemLabelPaint, setBaseItemLabelPaint, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseNegativeItemLabelPosition, setBaseNegativeItemLabelPosition, setBaseOutlinePaint, setBaseOutlinePaint, setBaseOutlineStroke, setBaseOutlineStroke, setBasePaint, setBasePaint, setBasePositiveItemLabelPosition, setBasePositiveItemLabelPosition, setBaseSeriesVisible, setBaseSeriesVisible, setBaseSeriesVisibleInLegend, setBaseSeriesVisibleInLegend, setBaseShape, setBaseShape, setBaseStroke, setBaseStroke, setCreateEntities, setCreateEntities, setFillPaint, setFillPaint, setItemLabelAnchorOffset, setItemLabelFont, setItemLabelFont, setItemLabelPaint, setItemLabelPaint, setItemLabelsVisible, setItemLabelsVisible, setItemLabelsVisible, setNegativeItemLabelPosition, setNegativeItemLabelPosition, setOutlinePaint, setOutlinePaint, setOutlineStroke, setOutlineStroke, setPaint, setPaint, setPositiveItemLabelPosition, setPositiveItemLabelPosition, setSeriesCreateEntities, setSeriesCreateEntities, setSeriesFillPaint, setSeriesFillPaint, setSeriesItemLabelFont, setSeriesItemLabelFont, setSeriesItemLabelPaint, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesOutlineStroke, setSeriesPaint, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesShape, setSeriesStroke, setSeriesStroke, setSeriesVisible, setSeriesVisible, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setShape, setShape, setStroke, setStroke
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.jfree.chart.renderer.category.CategoryItemRenderer
addChangeListener, getBaseItemLabelFont, getBaseItemLabelPaint, getBaseItemLabelsVisible, getBaseNegativeItemLabelPosition, getBaseOutlinePaint, getBaseOutlineStroke, getBasePaint, getBasePositiveItemLabelPosition, getBaseShape, getBaseStroke, getItemLabelFont, getItemLabelFont, getItemLabelPaint, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getNegativeItemLabelPosition, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getPositiveItemLabelPosition, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, isItemLabelVisible, isSeriesItemLabelsVisible, removeChangeListener, setBaseItemLabelFont, setBaseItemLabelPaint, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseItemLabelsVisible, setBaseNegativeItemLabelPosition, setBaseNegativeItemLabelPosition, setBaseOutlinePaint, setBaseOutlineStroke, setBasePaint, setBasePositiveItemLabelPosition, setBasePositiveItemLabelPosition, setBaseShape, setBaseStroke, setItemLabelFont, setItemLabelPaint, setItemLabelsVisible, setItemLabelsVisible, setItemLabelsVisible, setNegativeItemLabelPosition, setNegativeItemLabelPosition, setOutlinePaint, setOutlineStroke, setPaint, setPositiveItemLabelPosition, setPositiveItemLabelPosition, setSeriesItemLabelFont, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesStroke, setShape, setStroke
 

Constructor Detail

StackedAreaRenderer

public StackedAreaRenderer()
Creates a new renderer.

Method Detail

findRangeBounds

public Range findRangeBounds(CategoryDataset dataset)
Returns the range of values the renderer requires to display all the items from the specified dataset.

Specified by:
findRangeBounds in interface CategoryItemRenderer
Overrides:
findRangeBounds in class AbstractCategoryItemRenderer
Parameters:
dataset - the dataset (null not permitted).
Returns:
The range (or null if the dataset is empty).

drawItem

public void drawItem(java.awt.Graphics2D g2,
                     CategoryItemRendererState state,
                     java.awt.geom.Rectangle2D dataArea,
                     CategoryPlot plot,
                     CategoryAxis domainAxis,
                     ValueAxis rangeAxis,
                     CategoryDataset dataset,
                     int row,
                     int column,
                     int pass)
Draw a single data item.

Specified by:
drawItem in interface CategoryItemRenderer
Overrides:
drawItem in class AreaRenderer
Parameters:
g2 - the graphics device.
state - the renderer state.
dataArea - the data plot area.
plot - the plot.
domainAxis - the domain axis.
rangeAxis - the range axis.
dataset - the data.
row - the row index (zero-based).
column - the column index (zero-based).
pass - the pass index.

getPreviousHeight

protected double getPreviousHeight(CategoryDataset data,
                                   int series,
                                   int category)
Calculates the stacked value of the all series up to, but not including series for the specified category, category. It returns 0.0 if series is the first series, i.e. 0.

Parameters:
data - the data.
series - the series.
category - the category.
Returns:
double returns a cumulative value for all series' values up to but excluding series for Object category.