Class XYAreaRenderer2

All Implemented Interfaces:
Serializable, Cloneable, EventListener, AnnotationChangeListener, LegendItemSource, XYItemRenderer, PublicCloneable
Direct Known Subclasses:
StackedXYAreaRenderer2

public class XYAreaRenderer2 extends AbstractXYItemRenderer implements XYItemRenderer, PublicCloneable
Area item renderer for an XYPlot. The example shown here is generated by the XYAreaRenderer2Demo1.java program included in the JFreeChart demo collection:

XYAreaRenderer2Sample.png
See Also:
  • Field Details

    • serialVersionUID

      private static final long serialVersionUID
      For serialization.
      See Also:
    • showOutline

      private boolean showOutline
      A flag that controls whether or not the outline is shown.
    • legendArea

      private transient Shape legendArea
      The shape used to represent an area in each legend item (this should never be null).
  • Constructor Details

    • XYAreaRenderer2

      public XYAreaRenderer2()
      Constructs a new renderer.
    • XYAreaRenderer2

      public XYAreaRenderer2(XYToolTipGenerator labelGenerator, XYURLGenerator urlGenerator)
      Constructs a new renderer.
      Parameters:
      labelGenerator - the tool tip generator to use (null permitted).
      urlGenerator - the URL generator (null permitted).
  • Method Details

    • isOutline

      public boolean isOutline()
      Returns a flag that controls whether or not outlines of the areas are drawn.
      Returns:
      The flag.
      See Also:
    • setOutline

      public void setOutline(boolean show)
      Sets a flag that controls whether or not outlines of the areas are drawn, and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      show - the flag.
      See Also:
    • getLegendArea

      public Shape getLegendArea()
      Returns the shape used to represent an area in the legend.
      Returns:
      The legend area (never null).
      See Also:
    • setLegendArea

      public void setLegendArea(Shape area)
      Sets the shape used as an area in each legend item and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      area - the area (null not permitted).
      See Also:
    • getLegendItem

      public LegendItem getLegendItem(int datasetIndex, int series)
      Returns a default legend item for the specified series. Subclasses should override this method to generate customised items.
      Specified by:
      getLegendItem in interface XYItemRenderer
      Overrides:
      getLegendItem in class AbstractXYItemRenderer
      Parameters:
      datasetIndex - the dataset index (zero-based).
      series - the series index (zero-based).
      Returns:
      A legend item for the series.
    • drawItem

      public void drawItem(Graphics2D g2, XYItemRendererState state, 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.
      Specified by:
      drawItem in interface XYItemRenderer
      Parameters:
      g2 - 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 axis.
      rangeAxis - the range 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.
    • equals

      public boolean equals(Object obj)
      Tests this renderer for equality with an arbitrary object.
      Overrides:
      equals in class AbstractXYItemRenderer
      Parameters:
      obj - the object (null not permitted).
      Returns:
      A boolean.
    • clone

      public Object clone() throws CloneNotSupportedException
      Returns a clone of the renderer.
      Specified by:
      clone in interface PublicCloneable
      Overrides:
      clone in class AbstractXYItemRenderer
      Returns:
      A clone.
      Throws:
      CloneNotSupportedException - if the renderer cannot be cloned.
    • readObject

      private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException
      Provides serialization support.
      Parameters:
      stream - the input stream.
      Throws:
      IOException - if there is an I/O error.
      ClassNotFoundException - if there is a classpath problem.
    • writeObject

      private void writeObject(ObjectOutputStream stream) throws IOException
      Provides serialization support.
      Parameters:
      stream - the output stream.
      Throws:
      IOException - if there is an I/O error.