org.jfree.chart.renderer
Class VerticalXYBarRenderer

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

All Implemented Interfaces:

Renderer, java.io.Serializable, XYItemRenderer

Direct Known Subclasses:

ClusteredXYBarRenderer

public class VerticalXYBarRenderer

extends AbstractXYItemRenderer

implements XYItemRenderer, java.io.Serializable

A renderer that draws bars on an XYPlot (requires an IntervalXYDataset).

Author:

David Gilbert

See Also:

Serialized Form

Field Summary

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

DEFAULT_OUTLINE_PAINT, DEFAULT_OUTLINE_STROKE, DEFAULT_PAINT, DEFAULT_SHAPE, DEFAULT_STROKE

Constructor Summary

VerticalXYBarRenderer()
The default constructor.

VerticalXYBarRenderer(double margin)
Constructs a new renderer.

VerticalXYBarRenderer(double margin, 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.
void	initialise(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, XYPlot plot, XYDataset data, ChartRenderingInfo info) Initialises the renderer.
void	setMargin(double margin) Sets the percentage amount by which the bars are trimmed.

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

Constructor Detail

VerticalXYBarRenderer

public VerticalXYBarRenderer()

The default constructor.

VerticalXYBarRenderer

public VerticalXYBarRenderer(double margin)

Constructs a new renderer.

Parameters:

margin - the percentage amount to trim from the width of each bar.

VerticalXYBarRenderer

public VerticalXYBarRenderer(double margin,
                             XYToolTipGenerator toolTipGenerator,
                             XYURLGenerator urlGenerator)

Constructs a new renderer.

Parameters:

margin - the percentage amount to trim from the width of each bar.

toolTipGenerator - the tool tip generator (null permitted).

urlGenerator - the URL generator (null permitted).

Method Detail

setMargin

public void setMargin(double margin)

Sets the percentage amount by which the bars are trimmed.

Fires a property change event.

Parameters:

margin - the new margin.

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 plot 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 - collects information about crosshairs.