Module platform
Package org.jfree.chart.renderer.xy

Class XYLineAndShapeRenderer

java.lang.Object
org.jfree.chart.renderer.AbstractRenderer
org.jfree.chart.renderer.xy.AbstractXYItemRenderer
org.jfree.chart.renderer.xy.XYLineAndShapeRenderer
All Implemented Interfaces:
Serializable, Cloneable, EventListener, AnnotationChangeListener, LegendItemSource, XYItemRenderer, PublicCloneable
Direct Known Subclasses:
DefaultXYItemRenderer, DeviationRenderer, XYErrorRenderer, XYSplineRenderer, XYStepRenderer
public class XYLineAndShapeRenderer extends AbstractXYItemRenderer implements XYItemRenderer, Cloneable, PublicCloneable, Serializable
A renderer that connects data points with lines and/or draws shapes at each data point. This renderer is designed for use with the XYPlot class. The example shown here is generated by the XYLineAndShapeRendererDemo2.java program included in the JFreeChart demo collection:

XYLineAndShapeRendererSample.png
See Also:

  • Constructor Details

    • XYLineAndShapeRenderer

      public XYLineAndShapeRenderer()
      Creates a new renderer with both lines and shapes visible.

    • XYLineAndShapeRenderer

      public XYLineAndShapeRenderer(boolean lines, boolean shapes)
      Creates a new renderer.
      Parameters:
      lines - lines visible?
      shapes - shapes visible?

  • Method Details

    • getDrawSeriesLineAsPath

      public boolean getDrawSeriesLineAsPath()
      Returns a flag that controls whether or not each series is drawn as a single path. The default value is false.
      Returns:
      A boolean.
      See Also:

    • setDrawSeriesLineAsPath

      public void setDrawSeriesLineAsPath(boolean flag)
      Sets the flag that controls whether or not each series is drawn as a single path and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      flag - the flag.
      See Also:

    • getPassCount

      public int getPassCount()
      Returns the number of passes through the data that the renderer requires in order to draw the chart. Most charts will require a single pass, but some require two passes.
      Specified by:
      getPassCount in interface XYItemRenderer
      Overrides:
      getPassCount in class AbstractXYItemRenderer
      Returns:
      The pass count.

    • getItemLineVisible

      public boolean getItemLineVisible(int series, int item)
      Returns the flag used to control whether or not the shape for an item is visible.
      Parameters:
      series - the series index (zero-based).
      item - the item index (zero-based).
      Returns:
      A boolean.

    • getSeriesLinesVisible

      public Boolean getSeriesLinesVisible(int series)
      Returns the flag used to control whether or not the lines for a series are visible.
      Parameters:
      series - the series index (zero-based).
      Returns:
      The flag (possibly null).
      See Also:

    • setSeriesLinesVisible

      public void setSeriesLinesVisible(int series, Boolean flag)
      Sets the 'lines visible' flag for a series and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      series - the series index (zero-based).
      flag - the flag (null permitted).
      See Also:

    • setSeriesLinesVisible

      public void setSeriesLinesVisible(int series, boolean visible)
      Sets the 'lines visible' flag for a series and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      series - the series index (zero-based).
      visible - the flag.
      See Also:

    • getDefaultLinesVisible

      public boolean getDefaultLinesVisible()
      Returns the default 'lines visible' attribute.
      Returns:
      The default flag.
      See Also:

    • setDefaultLinesVisible

      public void setDefaultLinesVisible(boolean flag)
      Sets the default 'lines visible' flag and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      flag - the flag.
      See Also:

    • getLegendLine

      public Shape getLegendLine()
      Returns the shape used to represent a line in the legend.
      Returns:
      The legend line (never null).
      See Also:

    • setLegendLine

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

    • getItemShapeVisible

      public boolean getItemShapeVisible(int series, int item)
      Returns the flag used to control whether or not the shape for an item is visible.

      The default implementation passes control to the getSeriesShapesVisible() method. You can override this method if you require different behaviour.

      Parameters:
      series - the series index (zero-based).
      item - the item index (zero-based).
      Returns:
      A boolean.

    • getSeriesShapesVisible

      public Boolean getSeriesShapesVisible(int series)
      Returns the flag used to control whether or not the shapes for a series are visible.
      Parameters:
      series - the series index (zero-based).
      Returns:
      A boolean.
      See Also:

    • setSeriesShapesVisible

      public void setSeriesShapesVisible(int series, boolean visible)
      Sets the 'shapes visible' flag for a series and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      series - the series index (zero-based).
      visible - the flag.
      See Also:

    • setSeriesShapesVisible

      public void setSeriesShapesVisible(int series, Boolean flag)
      Sets the 'shapes visible' flag for a series and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      series - the series index (zero-based).
      flag - the flag.
      See Also:

    • getDefaultShapesVisible

      public boolean getDefaultShapesVisible()
      Returns the default 'shape visible' attribute.
      Returns:
      The default flag.
      See Also:

    • setDefaultShapesVisible

      public void setDefaultShapesVisible(boolean flag)
      Sets the default 'shapes visible' flag and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      flag - the flag.
      See Also:

    • getItemShapeFilled

      public boolean getItemShapeFilled(int series, int item)
      Returns the flag used to control whether or not the shape for an item is filled.

      The default implementation passes control to the getSeriesShapesFilled method. You can override this method if you require different behaviour.

      Parameters:
      series - the series index (zero-based).
      item - the item index (zero-based).
      Returns:
      A boolean.

    • getSeriesShapesFilled

      public Boolean getSeriesShapesFilled(int series)
      Returns the flag used to control whether or not the shapes for a series are filled.
      Parameters:
      series - the series index (zero-based).
      Returns:
      A boolean.
      See Also:

    • setSeriesShapesFilled

      public void setSeriesShapesFilled(int series, boolean flag)
      Sets the 'shapes filled' flag for a series and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      series - the series index (zero-based).
      flag - the flag.
      See Also:

    • setSeriesShapesFilled

      public void setSeriesShapesFilled(int series, Boolean flag)
      Sets the 'shapes filled' flag for a series and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      series - the series index (zero-based).
      flag - the flag.
      See Also:

    • getDefaultShapesFilled

      public boolean getDefaultShapesFilled()
      Returns the default 'shape filled' attribute.
      Returns:
      The default flag.
      See Also:

    • setDefaultShapesFilled

      public void setDefaultShapesFilled(boolean flag)
      Sets the default 'shapes filled' flag and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      flag - the flag.
      See Also:

    • getDrawOutlines

      public boolean getDrawOutlines()
      Returns true if outlines should be drawn for shapes, and false otherwise.
      Returns:
      A boolean.
      See Also:

    • setDrawOutlines

      public void setDrawOutlines(boolean flag)
      Sets the flag that controls whether outlines are drawn for shapes, and sends a RendererChangeEvent to all registered listeners.

      In some cases, shapes look better if they do NOT have an outline, but this flag allows you to set your own preference.

      Parameters:
      flag - the flag.
      See Also:

    • getUseFillPaint

      public boolean getUseFillPaint()
      Returns true if the renderer should use the fill paint setting to fill shapes, and false if it should just use the regular paint.

      Refer to XYLineAndShapeRendererDemo2.java to see the effect of this flag.

      Returns:
      A boolean.
      See Also:

    • setUseFillPaint

      public void setUseFillPaint(boolean flag)
      Sets the flag that controls whether the fill paint is used to fill shapes, and sends a RendererChangeEvent to all registered listeners.
      Parameters:
      flag - the flag.
      See Also:

    • getUseOutlinePaint

      public boolean getUseOutlinePaint()
      Returns true if the renderer should use the outline paint setting to draw shape outlines, and false if it should just use the regular paint.
      Returns:
      A boolean.
      See Also:

    • setUseOutlinePaint

      public void setUseOutlinePaint(boolean flag)
      Sets the flag that controls whether the outline paint is used to draw shape outlines, and sends a RendererChangeEvent to all registered listeners.

      Refer to XYLineAndShapeRendererDemo2.java to see the effect of this flag.

      Parameters:
      flag - the flag.
      See Also:

    • initialise

      public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea, XYPlot plot, XYDataset data, PlotRenderingInfo info)
      Initialises the renderer.

      This method will be called before the first item is rendered, giving the renderer an opportunity to initialise any state information it wants to maintain. The renderer can do nothing if it chooses.

      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.
      Returns:
      The renderer state.

    • 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.

    • isLinePass

      protected boolean isLinePass(int pass)
      Returns true if the specified pass is the one for drawing lines.
      Parameters:
      pass - the pass.
      Returns:
      A boolean.

    • isItemPass

      protected boolean isItemPass(int pass)
      Returns true if the specified pass is the one for drawing items.
      Parameters:
      pass - the pass.
      Returns:
      A boolean.

    • drawPrimaryLine

      protected void drawPrimaryLine(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea)
      Draws the item (first pass). This method draws the lines connecting the items.
      Parameters:
      g2 - the graphics device.
      state - the renderer state.
      dataArea - the area within which the data is being drawn.
      plot - the plot (can be used to obtain standard color information etc).
      domainAxis - the domain axis.
      rangeAxis - the range axis.
      dataset - the dataset.
      pass - the pass.
      series - the series index (zero-based).
      item - the item index (zero-based).

    • drawFirstPassShape

      protected void drawFirstPassShape(Graphics2D g2, int pass, int series, int item, Shape shape)
      Draws the first pass shape.
      Parameters:
      g2 - the graphics device.
      pass - the pass.
      series - the series index.
      item - the item index.
      shape - the shape.

    • drawPrimaryLineAsPath

      protected void drawPrimaryLineAsPath(XYItemRendererState state, Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, ValueAxis domainAxis, ValueAxis rangeAxis, Rectangle2D dataArea)
      Draws the item (first pass). This method draws the lines connecting the items. Instead of drawing separate lines, a GeneralPath is constructed and drawn at the end of the series painting.
      Parameters:
      g2 - the graphics device.
      state - the renderer state.
      plot - the plot (can be used to obtain standard color information etc).
      dataset - the dataset.
      pass - the pass.
      series - the series index (zero-based).
      item - the item index (zero-based).
      domainAxis - the domain axis.
      rangeAxis - the range axis.
      dataArea - the area within which the data is being drawn.

    • drawSecondaryPass

      protected void drawSecondaryPass(Graphics2D g2, XYPlot plot, XYDataset dataset, int pass, int series, int item, ValueAxis domainAxis, Rectangle2D dataArea, ValueAxis rangeAxis, CrosshairState crosshairState, EntityCollection entities)
      Draws the item shapes and adds chart entities (second pass). This method draws the shapes which mark the item positions. If entities is not null it will be populated with entity information for points that fall within the data area.
      Parameters:
      g2 - the graphics device.
      plot - the plot (can be used to obtain standard color information etc).
      domainAxis - the domain axis.
      dataArea - the area within which the data is being drawn.
      rangeAxis - the range axis.
      dataset - the dataset.
      pass - the pass.
      series - the series index (zero-based).
      item - the item index (zero-based).
      crosshairState - the crosshair state.
      entities - the entity collection.

    • getLegendItem

      public LegendItem getLegendItem(int datasetIndex, int series)
      Returns a legend item for the specified series.
      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 (possibly null).

    • 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 clone cannot be created.

    • 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 permitted).
      Returns:
      true or false.