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java.lang.Objectorg.jfree.chart.renderer.AbstractRenderer
org.jfree.chart.renderer.AbstractXYItemRenderer
org.jfree.chart.renderer.XYDifferenceRenderer
A renderer for an XYPlot
that highlights the differences between two
series. The renderer expects a dataset that:
null
values;
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 | |
XYDifferenceRenderer(java.awt.Paint positivePaint,
java.awt.Paint negativePaint,
boolean shapes)
Creates a new renderer. |
Method Summary | |
java.lang.Object |
clone()
Returns a clone of the renderer. |
void |
drawItem(java.awt.Graphics2D g2,
XYItemRendererState state,
java.awt.geom.Rectangle2D dataArea,
PlotRenderingInfo info,
XYPlot plot,
ValueAxis domainAxis,
ValueAxis rangeAxis,
XYDataset dataset,
int series,
int item,
CrosshairInfo crosshairInfo,
int pass)
Draws the visual representation of a single data item. |
java.awt.Paint |
getNegativePaint()
Returns the paint used to highlight negative differences. |
int |
getPassCount()
Returns 2 , the number of passes required by the renderer. |
java.awt.Paint |
getPositivePaint()
Returns the paint used to highlight positive differences. |
XYItemRendererState |
initialise(java.awt.Graphics2D g2,
java.awt.geom.Rectangle2D dataArea,
XYPlot plot,
XYDataset data,
PlotRenderingInfo info)
Initialises the renderer then returns the number of 'passes' through the data that the renderer will require (usually just one). |
Methods inherited from class org.jfree.chart.renderer.AbstractXYItemRenderer |
drawDomainGridLine, drawDomainMarker, drawRangeGridLine, drawRangeMarker, equals, fillDomainGridBand, fillRangeGridBand, getDrawingSupplier, getLegendItem, getPlot, getRangeType, getToolTipGenerator, getURLGenerator, setPlot, setToolTipGenerator, setURLGenerator |
Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.jfree.chart.renderer.XYItemRenderer |
addPropertyChangeListener, drawDomainGridLine, drawDomainMarker, drawRangeGridLine, drawRangeMarker, fillDomainGridBand, fillRangeGridBand, getBaseStroke, getItemOutlinePaint, getItemPaint, getItemShape, getItemStroke, getLegendItem, getPlot, getRangeType, getSeriesOutlinePaint, getSeriesPaint, getSeriesShape, getSeriesStroke, getToolTipGenerator, getURLGenerator, removePropertyChangeListener, setBaseStroke, setPlot, setSeriesPaint, setSeriesStroke, setStroke, setToolTipGenerator, setURLGenerator |
Constructor Detail |
public XYDifferenceRenderer(java.awt.Paint positivePaint, java.awt.Paint negativePaint, boolean shapes)
positivePaint
- the highlight color for positive differences;negativePaint
- the highlight color for negative differences;shapes
- draw shapes?Method Detail |
public XYItemRendererState initialise(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, XYPlot plot, XYDataset data, PlotRenderingInfo info)
initialise
in interface XYItemRenderer
initialise
in class AbstractXYItemRenderer
g2
- the graphics device.dataArea
- the area inside the axes.plot
- the plot.data
- the data.info
- an optional info collection object to return data back to the caller.
public int getPassCount()
2
, the number of passes required by the renderer. The XYPlot
will run through the dataset this number of times.
getPassCount
in interface XYItemRenderer
getPassCount
in class AbstractXYItemRenderer
public java.awt.Paint getPositivePaint()
public java.awt.Paint getNegativePaint()
public void drawItem(java.awt.Graphics2D g2, XYItemRendererState state, java.awt.geom.Rectangle2D dataArea, PlotRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int series, int item, CrosshairInfo crosshairInfo, int pass)
drawItem
in interface XYItemRenderer
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 (horizontal) axis.rangeAxis
- the range (vertical) axis.dataset
- the dataset.series
- the series index (zero-based).item
- the item index (zero-based).crosshairInfo
- information about crosshairs on a plot.pass
- the pass index.public java.lang.Object clone() throws java.lang.CloneNotSupportedException
clone
in interface org.jfree.util.PublicCloneable
clone
in class AbstractXYItemRenderer
java.lang.CloneNotSupportedException
- if the renderer cannot be cloned.
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