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com.jrefinery.chart
Class PiePlot  

java.lang.Object
  Plot
      com.jrefinery.chart.PiePlot

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public class PiePlot

extends Plot

A plot that displays data in the form of a pie chart, using data from any class that implements the CategoryDataSource interface.

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Field Summary
(package private)  boolean	drawCircle           Flag determining whether to draw an ellipse or a perfect circle.
(package private)  boolean	drawWedgeLabels           Flag determining whether to draw wedge labels.
(package private)  int	interiorSpacing           Interior spacing - that is the room between the plot border and a rectangle that will be considered for drawing the pie.
(package private)  java.awt.Font	wedgeLabelFont
(package private)  java.awt.Paint	wedgePaint

 

Constructor Summary

PiePlot(JFreeChart chart)           Standard constructor - builds a PiePlot with mostly default attributes.

PiePlot(JFreeChart chart, java.awt.Insets insets)           Standard constructor: returns a PiePlot with attributes specified by the caller.

 

Method Summary
void	draw(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D drawArea)           Draws the plot on a Java 2D graphics device (such as the screen or a printer).
java.util.List	getCategories()           A convenience method that returns a lit of the categories in the data source.
CategoryDataSource	getDataSource()           A convenience method that returns the data source for the plot, cast as a CategoryDataSource.
boolean	getDrawCircle()           Returns true if this pie chart is configured to draw a perfect circle in the available chart area, and false otherwise.
boolean	getDrawWedgeLabels()           Returns true if this pie chart is configured to draw wedge labels, and false otherwise.
java.lang.String	getPlotType()           Returns a short string describing the type of plot.
java.awt.Font	getWedgeLabelFont()
java.awt.Paint	getWedgeLabelPaint()
boolean	isCompatibleHorizontalAxis(Axis axis)           Checks the compatibility of a horizontal axis, returning true if the axis is compatible with the plot, and false otherwise.
boolean	isCompatibleVerticalAxis(Axis axis)           Checks the compatibility of a vertical axis, returning true if the axis is compatible with the plot, and false otherwise.
void	setDrawCircle(boolean circle)           Sets this chart's property that causes it to draw the shape as either a perfect circle or an ellipse.
void	setDrawWedgeLabels(boolean wedge)           Sets this chart's property that causes it to draw wedge labels.
void	setInteriorSpacing(int i)
void	setWedgeLabelFont(java.awt.Font f)
void	setWedgeLabelPaint(java.awt.Paint p)

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

drawCircle

boolean drawCircle

Flag determining whether to draw an ellipse or a perfect circle.

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drawWedgeLabels

boolean drawWedgeLabels

Flag determining whether to draw wedge labels.

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interiorSpacing

int interiorSpacing

Interior spacing - that is the room between the plot border and a rectangle that will be considered for drawing the pie.

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wedgeLabelFont

java.awt.Font wedgeLabelFont

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wedgePaint

java.awt.Paint wedgePaint

Constructor Detail

PiePlot

public PiePlot(JFreeChart chart,
               java.awt.Insets insets)
        throws AxisNotCompatibleException

Standard constructor: returns a PiePlot with attributes specified by the caller.

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PiePlot

public PiePlot(JFreeChart chart)
        throws AxisNotCompatibleException

Standard constructor - builds a PiePlot with mostly default attributes.

Method Detail

getDataSource

public CategoryDataSource getDataSource()

A convenience method that returns the data source for the plot, cast as a CategoryDataSource.

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getCategories

public java.util.List getCategories()

A convenience method that returns a lit of the categories in the data source.

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isCompatibleHorizontalAxis

public boolean isCompatibleHorizontalAxis(Axis axis)

Checks the compatibility of a horizontal axis, returning true if the axis is compatible with the plot, and false otherwise.

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isCompatibleVerticalAxis

public boolean isCompatibleVerticalAxis(Axis axis)

Checks the compatibility of a vertical axis, returning true if the axis is compatible with the plot, and false otherwise.

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setInteriorSpacing

public void setInteriorSpacing(int i)

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draw

public void draw(java.awt.Graphics2D g2,
                 java.awt.geom.Rectangle2D drawArea)

Draws the plot on a Java 2D graphics device (such as the screen or a printer).

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getPlotType

public java.lang.String getPlotType()

Returns a short string describing the type of plot.

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getDrawCircle

public boolean getDrawCircle()

Returns true if this pie chart is configured to draw a perfect circle in the available chart area, and false otherwise.

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setDrawCircle

public void setDrawCircle(boolean circle)

Sets this chart's property that causes it to draw the shape as either a perfect circle or an ellipse.

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getDrawWedgeLabels

public boolean getDrawWedgeLabels()

Returns true if this pie chart is configured to draw wedge labels, and false otherwise.

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setDrawWedgeLabels

public void setDrawWedgeLabels(boolean wedge)

Sets this chart's property that causes it to draw wedge labels.

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setWedgeLabelFont

public void setWedgeLabelFont(java.awt.Font f)

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getWedgeLabelFont

public java.awt.Font getWedgeLabelFont()

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setWedgeLabelPaint

public void setWedgeLabelPaint(java.awt.Paint p)

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getWedgeLabelPaint

public java.awt.Paint getWedgeLabelPaint()

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> jrefinery >> [ chart overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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