Class CategoryStepRenderer
- java.lang.Object
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- org.jfree.chart.renderer.AbstractRenderer
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- org.jfree.chart.renderer.category.AbstractCategoryItemRenderer
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- org.jfree.chart.renderer.category.CategoryStepRenderer
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Cloneable
,LegendItemSource
,CategoryItemRenderer
,PublicCloneable
public class CategoryStepRenderer extends AbstractCategoryItemRenderer implements java.lang.Cloneable, PublicCloneable, java.io.Serializable
A "step" renderer similar toXYStepRenderer
but that can be used with theCategoryPlot
class. The example shown here is generated by theCategoryStepChartDemo1.java
program included in the JFreeChart Demo Collection:
- See Also:
- Serialized Form
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Nested Class Summary
Nested Classes Modifier and Type Class Description protected static class
CategoryStepRenderer.State
State information for the renderer.
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Field Summary
Fields Modifier and Type Field Description private static long
serialVersionUID
For serialization.private boolean
stagger
A flag that controls whether or not the steps for multiple series are staggered.static int
STAGGER_WIDTH
The stagger width.-
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
Constructors Constructor Description CategoryStepRenderer()
Creates a new renderer (stagger defaults tofalse
).CategoryStepRenderer(boolean stagger)
Creates a new renderer.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected CategoryItemRendererState
createState(PlotRenderingInfo info)
Creates a new state instance.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.protected void
drawLine(java.awt.Graphics2D g2, CategoryStepRenderer.State state, PlotOrientation orientation, double x0, double y0, double x1, double y1)
Draws a line taking into account the specified orientation.boolean
equals(java.lang.Object obj)
Tests this renderer for equality with an arbitrary object.LegendItem
getLegendItem(int datasetIndex, int series)
Returns a legend item for a series.boolean
getStagger()
Returns the flag that controls whether the series steps are staggered.void
setStagger(boolean shouldStagger)
Sets the flag that controls whether or not the series steps are staggered and sends aRendererChangeEvent
to all registered listeners.-
Methods inherited from class org.jfree.chart.renderer.category.AbstractCategoryItemRenderer
addEntity, addItemEntity, beginElementGroup, calculateDomainMarkerTextAnchorPoint, calculateRangeMarkerTextAnchorPoint, clone, drawBackground, drawDomainGridline, drawDomainMarker, drawItemLabel, drawOutline, drawRangeLine, drawRangeMarker, findRangeBounds, findRangeBounds, getColumnCount, getDefaultItemLabelGenerator, getDefaultItemURLGenerator, getDefaultToolTipGenerator, getDomainAxis, getDrawingSupplier, getItemLabelGenerator, getItemMiddle, getItemURLGenerator, getLegendItemLabelGenerator, getLegendItems, getLegendItemToolTipGenerator, getLegendItemURLGenerator, getPassCount, getPlot, getRangeAxis, getRowCount, getSeriesItemLabelGenerator, getSeriesItemURLGenerator, getSeriesToolTipGenerator, getToolTipGenerator, hashCode, initialise, setDefaultItemLabelGenerator, setDefaultItemLabelGenerator, setDefaultItemURLGenerator, setDefaultItemURLGenerator, setDefaultToolTipGenerator, setDefaultToolTipGenerator, setLegendItemLabelGenerator, setLegendItemToolTipGenerator, setLegendItemURLGenerator, setPlot, setSeriesItemLabelGenerator, setSeriesItemLabelGenerator, setSeriesItemURLGenerator, setSeriesItemURLGenerator, setSeriesToolTipGenerator, setSeriesToolTipGenerator, updateCrosshairValues
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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
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Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.jfree.chart.renderer.category.CategoryItemRenderer
addChangeListener, getDefaultCreateEntities, getDefaultFillPaint, getDefaultItemLabelFont, getDefaultItemLabelPaint, getDefaultItemLabelsVisible, getDefaultNegativeItemLabelPosition, getDefaultOutlinePaint, getDefaultOutlineStroke, getDefaultPaint, getDefaultPositiveItemLabelPosition, getDefaultSeriesVisible, getDefaultSeriesVisibleInLegend, getDefaultShape, getDefaultStroke, getItemCreateEntity, getItemFillPaint, getItemLabelFont, getItemLabelPaint, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getItemVisible, getNegativeItemLabelPosition, getPositiveItemLabelPosition, getSeriesCreateEntities, getSeriesFillPaint, getSeriesItemLabelFont, getSeriesItemLabelPaint, getSeriesNegativeItemLabelPosition, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesPositiveItemLabelPosition, getSeriesShape, getSeriesStroke, getSeriesVisible, getSeriesVisibleInLegend, isItemLabelVisible, isSeriesItemLabelsVisible, isSeriesVisible, isSeriesVisibleInLegend, removeChangeListener, setDefaultCreateEntities, setDefaultCreateEntities, setDefaultFillPaint, setDefaultItemLabelFont, setDefaultItemLabelFont, setDefaultItemLabelPaint, setDefaultItemLabelPaint, setDefaultItemLabelsVisible, setDefaultItemLabelsVisible, setDefaultNegativeItemLabelPosition, setDefaultNegativeItemLabelPosition, setDefaultOutlinePaint, setDefaultOutlinePaint, setDefaultOutlineStroke, setDefaultOutlineStroke, setDefaultPaint, setDefaultPaint, setDefaultPositiveItemLabelPosition, setDefaultPositiveItemLabelPosition, setDefaultSeriesVisible, setDefaultSeriesVisible, setDefaultSeriesVisibleInLegend, setDefaultSeriesVisibleInLegend, setDefaultShape, setDefaultShape, setDefaultStroke, setDefaultStroke, setSeriesCreateEntities, setSeriesCreateEntities, 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
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Methods inherited from interface org.jfree.chart.util.PublicCloneable
clone
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Field Detail
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serialVersionUID
private static final long serialVersionUID
For serialization.- See Also:
- Constant Field Values
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STAGGER_WIDTH
public static final int STAGGER_WIDTH
The stagger width.- See Also:
- Constant Field Values
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stagger
private boolean stagger
A flag that controls whether or not the steps for multiple series are staggered.
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Method Detail
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getStagger
public boolean getStagger()
Returns the flag that controls whether the series steps are staggered.- Returns:
- A boolean.
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setStagger
public void setStagger(boolean shouldStagger)
Sets the flag that controls whether or not the series steps are staggered and sends aRendererChangeEvent
to all registered listeners.- Parameters:
shouldStagger
- a boolean.
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getLegendItem
public LegendItem getLegendItem(int datasetIndex, int series)
Returns a legend item for a series.- Specified by:
getLegendItem
in interfaceCategoryItemRenderer
- Overrides:
getLegendItem
in classAbstractCategoryItemRenderer
- Parameters:
datasetIndex
- the dataset index (zero-based).series
- the series index (zero-based).- Returns:
- The legend item.
- See Also:
AbstractCategoryItemRenderer.getLegendItems()
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createState
protected CategoryItemRendererState createState(PlotRenderingInfo info)
Creates a new state instance. This method is called fromAbstractCategoryItemRenderer.initialise(Graphics2D, Rectangle2D, CategoryPlot, int, PlotRenderingInfo)
, and we override it to ensure that the state contains a working Line2D instance.- Overrides:
createState
in classAbstractCategoryItemRenderer
- Parameters:
info
- the plot rendering info (null
is permitted).- Returns:
- A new state instance.
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drawLine
protected void drawLine(java.awt.Graphics2D g2, CategoryStepRenderer.State state, PlotOrientation orientation, double x0, double y0, double x1, double y1)
Draws a line taking into account the specified orientation.In version 1.0.5, the signature of this method was changed by the addition of the 'state' parameter. This is an incompatible change, but is considered a low risk because it is unlikely that anyone has subclassed this renderer. If this *does* cause trouble for you, please report it as a bug.
- Parameters:
g2
- the graphics device.state
- the renderer state.orientation
- the plot orientation.x0
- the x-coordinate for the start of the line.y0
- the y-coordinate for the start of the line.x1
- the x-coordinate for the end of the line.y1
- the y-coordinate for the end of the line.
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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 interfaceCategoryItemRenderer
- Parameters:
g2
- the graphics device.state
- the renderer state.dataArea
- the area in which the data is drawn.plot
- the plot.domainAxis
- the domain axis.rangeAxis
- the range axis.dataset
- the dataset.row
- the row index (zero-based).column
- the column index (zero-based).pass
- the pass index.
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equals
public boolean equals(java.lang.Object obj)
Tests this renderer for equality with an arbitrary object.- Overrides:
equals
in classAbstractCategoryItemRenderer
- Parameters:
obj
- the object (null
permitted).- Returns:
- A boolean.
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