Package org.jfree.chart.renderer.xy
Class StackedXYAreaRenderer2
java.lang.Object
org.jfree.chart.renderer.AbstractRenderer
org.jfree.chart.renderer.xy.AbstractXYItemRenderer
org.jfree.chart.renderer.xy.XYAreaRenderer2
org.jfree.chart.renderer.xy.StackedXYAreaRenderer2
- All Implemented Interfaces:
Serializable
,Cloneable
,EventListener
,AnnotationChangeListener
,LegendItemSource
,XYItemRenderer
,PublicCloneable
public class StackedXYAreaRenderer2
extends XYAreaRenderer2
implements Cloneable, PublicCloneable, Serializable
A stacked area renderer for the

XYPlot
class.
The example shown here is generated by the
StackedXYAreaChartDemo2.java
program included in the
JFreeChart demo collection:

- See Also:
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate boolean
This flag controls whether or not the x-coordinates (in Java2D space) are rounded to integers.private static final long
For serialization.Fields inherited from class org.jfree.chart.renderer.AbstractRenderer
DEFAULT_ITEM_LABEL_INSETS, DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, DEFAULT_PAINT, DEFAULT_SHAPE, DEFAULT_STROKE, DEFAULT_VALUE_LABEL_FONT, DEFAULT_VALUE_LABEL_PAINT, ZERO
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Constructor Summary
ConstructorsConstructorDescriptionCreates a new renderer.StackedXYAreaRenderer2
(XYToolTipGenerator labelGenerator, XYURLGenerator urlGenerator) Constructs a new renderer. -
Method Summary
Modifier and TypeMethodDescriptionprivate double[]
adjustedStackValues
(double[] stack1, double[] stack2) Calculates adjusted stack values from the supplied values.private double[]
averageStackValues
(double[] stack1, double[] stack2) Returns a pair of "stack" values calculated as the mean of the two specified stack value pairs.clone()
Returns a clone of the renderer.void
drawItem
(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) Draws the visual representation of a single data item.boolean
Tests this renderer for equality with an arbitrary object.findRangeBounds
(XYDataset dataset) Returns the range of values the renderer requires to display all the items from the specified dataset.int
Returns the number of passes required by the renderer.boolean
Returns the flag that controls whether or not the x-coordinates (in Java2D space) are rounded to integer values.private double[]
getStackValues
(TableXYDataset dataset, int series, int index) Calculates the stacked values (one positive and one negative) of all series up to, but not including,series
for the specified item.void
setRoundXCoordinates
(boolean round) Sets the flag that controls whether or not the x-coordinates (in Java2D space) are rounded to integer values, and sends aRendererChangeEvent
to all registered listeners.Methods inherited from class org.jfree.chart.renderer.xy.XYAreaRenderer2
getLegendArea, getLegendItem, isOutline, setLegendArea, setOutline
Methods inherited from class org.jfree.chart.renderer.xy.AbstractXYItemRenderer
addAnnotation, addAnnotation, addEntity, annotationChanged, beginElementGroup, calculateDomainMarkerTextAnchorPoint, drawAnnotations, drawDomainLine, drawDomainMarker, drawItemLabel, drawRangeLine, drawRangeMarker, fillDomainGridBand, fillRangeGridBand, findDomainBounds, findDomainBounds, findRangeBounds, getAnnotations, getDefaultItemLabelGenerator, getDefaultToolTipGenerator, getDrawingSupplier, getItemLabelGenerator, getLegendItemLabelGenerator, getLegendItems, getLegendItemToolTipGenerator, getLegendItemURLGenerator, getPlot, getSeriesItemLabelGenerator, getSeriesToolTipGenerator, getToolTipGenerator, getURLGenerator, hashCode, initialise, lineTo, moveTo, removeAnnotation, removeAnnotations, setDefaultItemLabelGenerator, setDefaultToolTipGenerator, setLegendItemLabelGenerator, setLegendItemToolTipGenerator, setLegendItemURLGenerator, setPlot, setSeriesItemLabelGenerator, setSeriesToolTipGenerator, setURLGenerator, updateCrosshairValues
Methods inherited from class org.jfree.chart.renderer.AbstractRenderer
addChangeListener, beginElementGroup, calculateLabelAnchorPoint, clearSeriesPaints, clearSeriesStrokes, endElementGroup, fireChangeEvent, getAutoPopulateSeriesFillPaint, getAutoPopulateSeriesOutlinePaint, getAutoPopulateSeriesOutlineStroke, getAutoPopulateSeriesPaint, getAutoPopulateSeriesShape, getAutoPopulateSeriesStroke, getDataBoundsIncludesVisibleSeriesOnly, getDefaultCreateEntities, getDefaultEntityRadius, getDefaultFillPaint, getDefaultItemLabelFont, getDefaultItemLabelPaint, getDefaultItemLabelsVisible, getDefaultLegendShape, getDefaultLegendTextFont, getDefaultLegendTextPaint, getDefaultNegativeItemLabelPosition, getDefaultOutlinePaint, getDefaultOutlineStroke, getDefaultPaint, getDefaultPositiveItemLabelPosition, getDefaultSeriesVisible, getDefaultSeriesVisibleInLegend, getDefaultShape, getDefaultStroke, getItemCreateEntity, getItemFillPaint, getItemLabelAnchorOffset, getItemLabelFont, getItemLabelInsets, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getLegendShape, getLegendTextFont, getLegendTextPaint, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisibleInLegend, getTreatLegendShapeAsLine, hasListener, isComputeItemLabelContrastColor, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, lookupLegendShape, lookupLegendTextFont, lookupLegendTextPaint, lookupSeriesFillPaint, lookupSeriesOutlinePaint, lookupSeriesOutlineStroke, lookupSeriesPaint, lookupSeriesShape, lookupSeriesStroke, notifyListeners, removeChangeListener, setAutoPopulateSeriesFillPaint, setAutoPopulateSeriesOutlinePaint, setAutoPopulateSeriesOutlineStroke, setAutoPopulateSeriesPaint, setAutoPopulateSeriesShape, setAutoPopulateSeriesStroke, setComputeItemLabelContrastColor, setDataBoundsIncludesVisibleSeriesOnly, setDefaultCreateEntities, setDefaultCreateEntities, setDefaultEntityRadius, setDefaultFillPaint, setDefaultFillPaint, setDefaultItemLabelFont, setDefaultItemLabelFont, setDefaultItemLabelPaint, setDefaultItemLabelPaint, setDefaultItemLabelsVisible, setDefaultItemLabelsVisible, setDefaultLegendShape, setDefaultLegendTextFont, setDefaultLegendTextPaint, setDefaultNegativeItemLabelPosition, setDefaultNegativeItemLabelPosition, setDefaultOutlinePaint, setDefaultOutlinePaint, setDefaultOutlineStroke, setDefaultOutlineStroke, setDefaultPaint, setDefaultPaint, setDefaultPositiveItemLabelPosition, setDefaultPositiveItemLabelPosition, setDefaultSeriesVisible, setDefaultSeriesVisible, setDefaultSeriesVisibleInLegend, setDefaultSeriesVisibleInLegend, setDefaultShape, setDefaultShape, setDefaultStroke, setDefaultStroke, setItemLabelAnchorOffset, setItemLabelInsets, setLegendShape, setLegendTextFont, setLegendTextPaint, 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, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setTreatLegendShapeAsLine
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.jfree.chart.LegendItemSource
getLegendItems
Methods inherited from interface org.jfree.chart.renderer.xy.XYItemRenderer
addAnnotation, addAnnotation, addChangeListener, drawAnnotations, drawDomainLine, drawDomainMarker, drawRangeLine, drawRangeMarker, fillDomainGridBand, fillRangeGridBand, findDomainBounds, getDefaultCreateEntities, getDefaultFillPaint, getDefaultItemLabelFont, getDefaultItemLabelGenerator, getDefaultItemLabelPaint, getDefaultItemLabelsVisible, getDefaultNegativeItemLabelPosition, getDefaultOutlinePaint, getDefaultOutlineStroke, getDefaultPaint, getDefaultPositiveItemLabelPosition, getDefaultSeriesVisible, getDefaultSeriesVisibleInLegend, getDefaultShape, getDefaultStroke, getDefaultToolTipGenerator, getItemCreateEntity, getItemFillPaint, getItemLabelFont, getItemLabelGenerator, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getLegendItemLabelGenerator, getNegativeItemLabelPosition, getPlot, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelGenerator, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesToolTipGenerator, getSeriesVisible, getSeriesVisibleInLegend, getToolTipGenerator, getURLGenerator, initialise, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, removeAnnotation, removeAnnotations, removeChangeListener, setDefaultCreateEntities, setDefaultCreateEntities, setDefaultFillPaint, setDefaultFillPaint, setDefaultItemLabelFont, setDefaultItemLabelGenerator, setDefaultItemLabelPaint, setDefaultItemLabelsVisible, setDefaultItemLabelsVisible, setDefaultNegativeItemLabelPosition, setDefaultNegativeItemLabelPosition, setDefaultOutlinePaint, setDefaultOutlinePaint, setDefaultOutlineStroke, setDefaultOutlineStroke, setDefaultPaint, setDefaultPaint, setDefaultPositiveItemLabelPosition, setDefaultPositiveItemLabelPosition, setDefaultSeriesVisible, setDefaultSeriesVisible, setDefaultSeriesVisibleInLegend, setDefaultSeriesVisibleInLegend, setDefaultShape, setDefaultShape, setDefaultStroke, setDefaultStroke, setDefaultToolTipGenerator, setLegendItemLabelGenerator, setPlot, setSeriesCreateEntities, setSeriesCreateEntities, setSeriesFillPaint, setSeriesFillPaint, setSeriesItemLabelFont, setSeriesItemLabelGenerator, setSeriesItemLabelPaint, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesItemLabelsVisible, setSeriesNegativeItemLabelPosition, setSeriesNegativeItemLabelPosition, setSeriesOutlinePaint, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesOutlineStroke, setSeriesPaint, setSeriesPaint, setSeriesPositiveItemLabelPosition, setSeriesPositiveItemLabelPosition, setSeriesShape, setSeriesShape, setSeriesStroke, setSeriesStroke, setSeriesToolTipGenerator, setSeriesVisible, setSeriesVisible, setSeriesVisibleInLegend, setSeriesVisibleInLegend, setURLGenerator
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Field Details
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serialVersionUID
private static final long serialVersionUIDFor serialization.- See Also:
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roundXCoordinates
private boolean roundXCoordinatesThis flag controls whether or not the x-coordinates (in Java2D space) are rounded to integers. When set to true, this can avoid the vertical striping that anti-aliasing can generate. However, the rounding may not be appropriate for output in high resolution formats (for example, vector graphics formats such as SVG and PDF).
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Constructor Details
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StackedXYAreaRenderer2
public StackedXYAreaRenderer2()Creates a new renderer. -
StackedXYAreaRenderer2
Constructs a new renderer.- Parameters:
labelGenerator
- the tool tip generator to use (null
permitted).urlGenerator
- the URL generator (null
permitted).
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Method Details
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getRoundXCoordinates
public boolean getRoundXCoordinates()Returns the flag that controls whether or not the x-coordinates (in Java2D space) are rounded to integer values.- Returns:
- The flag.
- See Also:
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setRoundXCoordinates
public void setRoundXCoordinates(boolean round) Sets the flag that controls whether or not the x-coordinates (in Java2D space) are rounded to integer values, and sends aRendererChangeEvent
to all registered listeners.- Parameters:
round
- the new flag value.- See Also:
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findRangeBounds
Returns the range of values the renderer requires to display all the items from the specified dataset.- Specified by:
findRangeBounds
in interfaceXYItemRenderer
- Overrides:
findRangeBounds
in classAbstractXYItemRenderer
- Parameters:
dataset
- the dataset (null
permitted).- Returns:
- The range (or
null
if the dataset isnull
or empty). - See Also:
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getPassCount
public int getPassCount()Returns the number of passes required by the renderer.- Specified by:
getPassCount
in interfaceXYItemRenderer
- Overrides:
getPassCount
in classAbstractXYItemRenderer
- Returns:
- 1.
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drawItem
public void drawItem(Graphics2D g2, XYItemRendererState state, Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairState crosshairState, int pass) Draws the visual representation of a single data item.- Specified by:
drawItem
in interfaceXYItemRenderer
- Overrides:
drawItem
in classXYAreaRenderer2
- Parameters:
g2
- the graphics device.state
- the renderer state.dataArea
- the area within which the data is being drawn.info
- collects information about the drawing.plot
- the plot (can be used to obtain standard color information etc).domainAxis
- the domain axis.rangeAxis
- the range axis.dataset
- the dataset.series
- the series index (zero-based).item
- the item index (zero-based).crosshairState
- information about crosshairs on a plot.pass
- the pass index.
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getStackValues
Calculates the stacked values (one positive and one negative) of all series up to, but not including,series
for the specified item. It returns [0.0, 0.0] ifseries
is the first series.- Parameters:
dataset
- the dataset (null
not permitted).series
- the series index.index
- the item index.- Returns:
- An array containing the cumulative negative and positive values
for all series values up to but excluding
series
forindex
.
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averageStackValues
private double[] averageStackValues(double[] stack1, double[] stack2) Returns a pair of "stack" values calculated as the mean of the two specified stack value pairs.- Parameters:
stack1
- the first stack pair.stack2
- the second stack pair.- Returns:
- A pair of average stack values.
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adjustedStackValues
private double[] adjustedStackValues(double[] stack1, double[] stack2) Calculates adjusted stack values from the supplied values. The value is the mean of the supplied values, unless either of the supplied values is zero, in which case the adjusted value is zero also.- Parameters:
stack1
- the first stack pair.stack2
- the second stack pair.- Returns:
- A pair of average stack values.
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equals
Tests this renderer for equality with an arbitrary object.- Overrides:
equals
in classXYAreaRenderer2
- Parameters:
obj
- the object (null
permitted).- Returns:
- A boolean.
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clone
Returns a clone of the renderer.- Specified by:
clone
in interfacePublicCloneable
- Overrides:
clone
in classXYAreaRenderer2
- Returns:
- A clone.
- Throws:
CloneNotSupportedException
- if the renderer cannot be cloned.
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