org.jfree.chart.renderer
Class AreaXYRenderer

java.lang.Object
  |
  +--org.jfree.chart.renderer.AbstractRenderer
        |
        +--org.jfree.chart.renderer.AbstractXYItemRenderer
              |
              +--org.jfree.chart.renderer.AreaXYRenderer

All Implemented Interfaces:

Renderer, java.io.Serializable, XYItemRenderer

public class AreaXYRenderer

extends AbstractXYItemRenderer

implements XYItemRenderer, java.io.Serializable

Area item renderer for an XYPlot. This class can draw (a) shapes at each point, or (b) lines between points, or (c) both shapes and lines, or (d) filled areas, or (e) filled areas and shapes.

Author:

Hari

See Also:

Serialized Form

Field Summary

static int	AREA Useful constant for specifying the type of rendering (area only).
static int	AREA_AND_SHAPES Useful constant for specifying the type of rendering (area and shapes).
static int	LINES Useful constant for specifying the type of rendering (lines only).
static int	SHAPES Useful constant for specifying the type of rendering (shapes only).
static int	SHAPES_AND_LINES Useful constant for specifying the type of rendering (shapes and lines).

Fields inherited from class org.jfree.chart.renderer.AbstractRenderer

DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, DEFAULT_PAINT, DEFAULT_SHAPE, DEFAULT_STROKE

Constructor Summary

AreaXYRenderer()
Constructs a new renderer.

AreaXYRenderer(int type)
Constructs a new renderer.

AreaXYRenderer(int type, XYToolTipGenerator toolTipGenerator, XYURLGenerator urlGenerator)
Constructs a new renderer.

Method Summary

void	drawItem(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, ChartRenderingInfo info, XYPlot plot, ValueAxis domainAxis, ValueAxis rangeAxis, XYDataset dataset, int datasetIndex, int series, int item, CrosshairInfo crosshairInfo) Draws the visual representation of a single data item.
boolean	getPlotArea() Returns true if Area is being plotted by the renderer.
boolean	getPlotLines() Returns true if lines are being plotted by the renderer.
boolean	getPlotShapes() Returns true if shapes are being plotted by the renderer.
void	initialise(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, XYPlot plot, XYDataset data, ChartRenderingInfo info) Initialises the renderer.
boolean	isOutline() Returns a flag that controls whether or not outlines of the areas are drawn.
void	setOutline(boolean show) Sets a flag that controls whether or not outlines of the areas are drawn.

Methods inherited from class org.jfree.chart.renderer.AbstractXYItemRenderer

drawDomainGridLine, drawDomainMarker, drawRangeGridLine, drawRangeMarker, equals, getLegendItem, getToolTipGenerator, getURLGenerator, setToolTipGenerator, setURLGenerator

Methods inherited from class org.jfree.chart.renderer.AbstractRenderer

addPropertyChangeListener, createTransformedShape, firePropertyChanged, getDefaultOutlinePaint, getDefaultOutlineStroke, getDefaultPaint, getDefaultShape, getDefaultStroke, getDrawingSupplier, getInfo, getItemOutlinePaint, getItemOutlineStroke, getItemPaint, getItemShape, getItemStroke, getPlot, getSeriesOutlinePaint, getSeriesOutlineStroke, getSeriesPaint, getSeriesShape, getSeriesStroke, isOutlinePaintTableActive, isOutlineStrokeTableActive, isPaintTableActive, isShapeTableActive, isStrokeTableActive, removePropertyChangeListener, setDefaultOutlinePaint, setDefaultOutlineStroke, setDefaultPaint, setDefaultShape, setDefaultStroke, setDrawingSupplier, setInfo, setOutlinePaintTableActive, setOutlineStrokeTableActive, setPaintTableActive, setPlot, setSeriesOutlinePaint, setSeriesOutlinePaint, setSeriesOutlineStroke, setSeriesOutlineStroke, setSeriesPaint, setSeriesPaint, setSeriesShape, setSeriesShape, setSeriesStroke, setSeriesStroke, setShapeTableActive, setStrokeTableActive

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jfree.chart.renderer.XYItemRenderer

addPropertyChangeListener, drawDomainGridLine, drawDomainMarker, drawRangeGridLine, drawRangeMarker, getItemOutlinePaint, getItemPaint, getItemShape, getItemStroke, getLegendItem, getPlot, getSeriesOutlinePaint, getSeriesPaint, getSeriesShape, getSeriesStroke, getToolTipGenerator, getURLGenerator, removePropertyChangeListener, setDrawingSupplier, setPlot, setSeriesPaint, setSeriesPaint, setToolTipGenerator, setURLGenerator

Methods inherited from interface org.jfree.chart.renderer.Renderer

getDefaultOutlinePaint, getDefaultOutlineStroke, getDefaultPaint, getDefaultShape, getDefaultStroke, getDrawingSupplier, isOutlinePaintTableActive, isOutlineStrokeTableActive, isPaintTableActive, isShapeTableActive, isStrokeTableActive, setDefaultOutlinePaint, setDefaultOutlineStroke, setDefaultPaint, setDefaultShape, setDefaultStroke, setOutlinePaintTableActive, setOutlineStrokeTableActive, setPaintTableActive, setSeriesStroke, setSeriesStroke, setShapeTableActive, setStrokeTableActive

Field Detail

SHAPES

public static final int SHAPES

Useful constant for specifying the type of rendering (shapes only).

See Also:

Constant Field Values

LINES

public static final int LINES

Useful constant for specifying the type of rendering (lines only).

See Also:

Constant Field Values

SHAPES_AND_LINES

public static final int SHAPES_AND_LINES

Useful constant for specifying the type of rendering (shapes and lines).

See Also:

Constant Field Values

AREA

public static final int AREA

Useful constant for specifying the type of rendering (area only).

See Also:

Constant Field Values

AREA_AND_SHAPES

public static final int AREA_AND_SHAPES

Useful constant for specifying the type of rendering (area and shapes).

See Also:

Constant Field Values

Constructor Detail

AreaXYRenderer

public AreaXYRenderer()

Constructs a new renderer.

AreaXYRenderer

public AreaXYRenderer(int type)

Constructs a new renderer.

Parameters:

type - the type of the renderer.

AreaXYRenderer

public AreaXYRenderer(int type,
                      XYToolTipGenerator toolTipGenerator,
                      XYURLGenerator urlGenerator)

Constructs a new renderer.

To specify the type of renderer, use one of the constants: SHAPES, LINES, SHAPES_AND_LINES, AREA or AREA_AND_SHAPES.

Parameters:

type - the type of renderer.

toolTipGenerator - the tool tip generator to use. null is none.

urlGenerator - the URL generator (null permitted).

Method Detail

isOutline

public boolean isOutline()

Returns a flag that controls whether or not outlines of the areas are drawn.

Returns:

the flag.

setOutline

public void setOutline(boolean show)

Sets a flag that controls whether or not outlines of the areas are drawn.

Parameters:

show - the flag.

getPlotShapes

public boolean getPlotShapes()

Returns true if shapes are being plotted by the renderer.

Returns:

true if shapes are being plotted by the renderer.

getPlotLines

public boolean getPlotLines()

Returns true if lines are being plotted by the renderer.

Returns:

true if lines are being plotted by the renderer.

getPlotArea

public boolean getPlotArea()

Returns true if Area is being plotted by the renderer.

Returns:

true if Area is being plotted by the renderer.

initialise

public void initialise(java.awt.Graphics2D g2,
                       java.awt.geom.Rectangle2D dataArea,
                       XYPlot plot,
                       XYDataset data,
                       ChartRenderingInfo info)

Initialises the renderer. Here we calculate the Java2D y-coordinate for zero, since all the bars have their bases fixed at zero.

Specified by:

initialise in interface XYItemRenderer

Overrides:

initialise in class AbstractXYItemRenderer

Parameters:

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.

drawItem

public void drawItem(java.awt.Graphics2D g2,
                     java.awt.geom.Rectangle2D dataArea,
                     ChartRenderingInfo info,
                     XYPlot plot,
                     ValueAxis domainAxis,
                     ValueAxis rangeAxis,
                     XYDataset dataset,
                     int datasetIndex,
                     int series,
                     int item,
                     CrosshairInfo crosshairInfo)

Draws the visual representation of a single data item.

Specified by:

drawItem in interface XYItemRenderer

Parameters:

g2 - the graphics device.

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.

datasetIndex - the dataset index (zero-based).

series - the series index (zero-based).

item - the item index (zero-based).

crosshairInfo - information about crosshairs on a plot.