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java.lang.Objectorg.jfree.chart.renderer.AbstractRenderer
org.jfree.chart.renderer.xy.AbstractXYItemRenderer
org.jfree.chart.renderer.xy.XYDifferenceRenderer
public class XYDifferenceRenderer
A renderer for an XYPlot that highlights the differences between two
series.
| 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()
Creates a new renderer with default attributes. |
|
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,
CrosshairState crosshairState,
int pass)
Draws the visual representation of a single data item. |
protected void |
drawItemPass0(java.awt.Graphics2D x_graphics,
java.awt.geom.Rectangle2D x_dataArea,
PlotRenderingInfo x_info,
XYPlot x_plot,
ValueAxis x_domainAxis,
ValueAxis x_rangeAxis,
XYDataset x_dataset,
int x_series,
int x_item,
CrosshairState x_crosshairState)
Draws the visual representation of a single data item, first pass. |
protected void |
drawItemPass1(java.awt.Graphics2D x_graphics,
java.awt.geom.Rectangle2D x_dataArea,
PlotRenderingInfo x_info,
XYPlot x_plot,
ValueAxis x_domainAxis,
ValueAxis x_rangeAxis,
XYDataset x_dataset,
int x_series,
int x_item,
CrosshairState x_crosshairState)
Draws the visual representation of a single data item, second pass. |
boolean |
equals(java.lang.Object obj)
Tests this renderer for equality with an arbitrary object. |
LegendItem |
getLegendItem(int datasetIndex,
int series)
Returns a default legend item for the specified series. |
java.awt.Shape |
getLegendLine()
Returns the shape used to represent a line in the legend. |
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. |
boolean |
getRoundXCoordinates()
Returns the flag that controls whether or not the x-coordinates (in Java2D space) are rounded to integer values. |
boolean |
getShapesVisible()
Returns a flag that controls whether or not shapes are drawn for each data value. |
XYItemRendererState |
initialise(java.awt.Graphics2D g2,
java.awt.geom.Rectangle2D dataArea,
XYPlot plot,
XYDataset data,
PlotRenderingInfo info)
Initialises the renderer and returns a state object that should be passed to subsequent calls to the drawItem() method. |
void |
setLegendLine(java.awt.Shape line)
Sets the shape used as a line in each legend item and sends a RendererChangeEvent to all registered listeners. |
void |
setNegativePaint(java.awt.Paint paint)
Sets the paint used to highlight negative differences. |
void |
setPositivePaint(java.awt.Paint paint)
Sets the paint used to highlight positive differences and sends a RendererChangeEvent to all registered listeners. |
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 a RendererChangeEvent to all registered listeners. |
void |
setShapesVisible(boolean flag)
Sets a flag that controls whether or not shapes are drawn for each data value, and sends a RendererChangeEvent to all registered
listeners. |
| Methods inherited from class java.lang.Object |
|---|
finalize, getClass, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface org.jfree.chart.LegendItemSource |
|---|
getLegendItems |
| Constructor Detail |
|---|
public XYDifferenceRenderer()
public XYDifferenceRenderer(java.awt.Paint positivePaint,
java.awt.Paint negativePaint,
boolean shapes)
positivePaint - the highlight color for positive differences
(null not permitted).negativePaint - the highlight color for negative differences
(null not permitted).shapes - draw shapes?| Method Detail |
|---|
public java.awt.Paint getPositivePaint()
null).setPositivePaint(Paint)public void setPositivePaint(java.awt.Paint paint)
RendererChangeEvent to all registered listeners.
paint - the paint (null not permitted).getPositivePaint()public java.awt.Paint getNegativePaint()
null).setNegativePaint(Paint)public void setNegativePaint(java.awt.Paint paint)
paint - the paint (null not permitted).getNegativePaint()public boolean getShapesVisible()
setShapesVisible(boolean)public void setShapesVisible(boolean flag)
RendererChangeEvent to all registered
listeners.
flag - the flag.getShapesVisible()public java.awt.Shape getLegendLine()
null).setLegendLine(Shape)public void setLegendLine(java.awt.Shape line)
RendererChangeEvent to all registered listeners.
line - the line (null not permitted).getLegendLine()public boolean getRoundXCoordinates()
setRoundXCoordinates(boolean)public void setRoundXCoordinates(boolean round)
RendererChangeEvent to all registered listeners.
round - the new flag value.getRoundXCoordinates()
public XYItemRendererState initialise(java.awt.Graphics2D g2,
java.awt.geom.Rectangle2D dataArea,
XYPlot plot,
XYDataset data,
PlotRenderingInfo info)
initialise in interface XYItemRendererinitialise in class AbstractXYItemRendererg2 - 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 XYItemRenderergetPassCount in class AbstractXYItemRenderer
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,
CrosshairState crosshairState,
int pass)
drawItem in interface XYItemRendererg2 - 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).crosshairState - crosshair information for the plot
(null permitted).pass - the pass index.
protected void drawItemPass0(java.awt.Graphics2D x_graphics,
java.awt.geom.Rectangle2D x_dataArea,
PlotRenderingInfo x_info,
XYPlot x_plot,
ValueAxis x_domainAxis,
ValueAxis x_rangeAxis,
XYDataset x_dataset,
int x_series,
int x_item,
CrosshairState x_crosshairState)
x_graphics - the graphics device.x_dataArea - the area within which the data is being drawn.x_info - collects information about the drawing.x_plot - the plot (can be used to obtain standard color
information etc).x_domainAxis - the domain (horizontal) axis.x_rangeAxis - the range (vertical) axis.x_dataset - the dataset.x_series - the series index (zero-based).x_item - the item index (zero-based).x_crosshairState - crosshair information for the plot
(null permitted).
protected void drawItemPass1(java.awt.Graphics2D x_graphics,
java.awt.geom.Rectangle2D x_dataArea,
PlotRenderingInfo x_info,
XYPlot x_plot,
ValueAxis x_domainAxis,
ValueAxis x_rangeAxis,
XYDataset x_dataset,
int x_series,
int x_item,
CrosshairState x_crosshairState)
x_graphics - the graphics device.x_dataArea - the area within which the data is being drawn.x_info - collects information about the drawing.x_plot - the plot (can be used to obtain standard color
information etc).x_domainAxis - the domain (horizontal) axis.x_rangeAxis - the range (vertical) axis.x_dataset - the dataset.x_series - the series index (zero-based).x_item - the item index (zero-based).x_crosshairState - crosshair information for the plot
(null permitted).
public LegendItem getLegendItem(int datasetIndex,
int series)
getLegendItem in interface XYItemRenderergetLegendItem in class AbstractXYItemRendererdatasetIndex - the dataset index (zero-based).series - the series index (zero-based).
public boolean equals(java.lang.Object obj)
equals in class AbstractXYItemRendererobj - the object (null permitted).
public java.lang.Object clone()
throws java.lang.CloneNotSupportedException
clone in interface org.jfree.util.PublicCloneableclone in class AbstractXYItemRendererjava.lang.CloneNotSupportedException - if the renderer cannot be cloned.
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