com.jrefinery.chart
Class XYStepRenderer

java.lang.Object
  extended by com.jrefinery.chart.AbstractXYItemRenderer
      extended by com.jrefinery.chart.XYStepRenderer
All Implemented Interfaces:
XYItemRenderer

public class XYStepRenderer
extends AbstractXYItemRenderer
implements XYItemRenderer

Line/Step item renderer for an XYPlot. This class draws lines between data points, only allowing horizontal or vertical lines (steps).


Field Summary
protected  java.awt.geom.Line2D line
          A working line (to save creating many instances).
 
Fields inherited from class com.jrefinery.chart.AbstractXYItemRenderer
info, listeners, toolTipGenerator
 
Constructor Summary
XYStepRenderer()
          Constructs a new renderer.
 
Method Summary
 void drawItem(java.awt.Graphics2D g2, java.awt.geom.Rectangle2D dataArea, ChartRenderingInfo info, XYPlot plot, ValueAxis horizontalAxis, ValueAxis verticalAxis, XYDataset data, int series, int item, CrosshairInfo crosshairInfo)
          Draws the visual representation of a single data item.
 
Methods inherited from class com.jrefinery.chart.AbstractXYItemRenderer
addPropertyChangeListener, firePropertyChanged, getToolTipGenerator, initialise, removePropertyChangeListener, setToolTipGenerator
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface com.jrefinery.chart.XYItemRenderer
addPropertyChangeListener, getToolTipGenerator, initialise, removePropertyChangeListener, setToolTipGenerator
 

Field Detail

line

protected java.awt.geom.Line2D line
A working line (to save creating many instances).

Constructor Detail

XYStepRenderer

public XYStepRenderer()
Constructs a new renderer.

Method Detail

drawItem

public void drawItem(java.awt.Graphics2D g2,
                     java.awt.geom.Rectangle2D dataArea,
                     ChartRenderingInfo info,
                     XYPlot plot,
                     ValueAxis horizontalAxis,
                     ValueAxis verticalAxis,
                     XYDataset data,
                     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).
horizontalAxis - The horizontal axis.
verticalAxis - The vertical axis.
data - The dataset.
series - The series index.
item - The item index.


Copyright © 2003 MBARI.

The Monterey Bay Aquarium Research Institute (MBARI) provides this documentation and code "as is", with no warranty, express or implied, of its quality or consistency. It is provided without support and without obligation on the part of MBARI to assist in its use, correction, modification, or enhancement.