How to use

initialise

method

in

org.jfree.chart.renderer.xy.AbstractXYItemRenderer

@Override
public XYItemRendererState initialise(
    Graphics2D g2,
    Rectangle2D dataArea,
    XYPlot plot,
    XYDataset data,
    PlotRenderingInfo info) {
  return super.initialise(g2, dataArea, plot, data, info);
}

@Override
public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea, XYPlot plot,
    XYDataset data, PlotRenderingInfo info) {
  
  return super.initialise(g2, dataArea, plot, data, info);
}

/**
 * Initialises the renderer and returns a state object that should be
 * passed to subsequent calls to the drawItem() method.  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.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area inside the axes.
 * @param plot  the plot.
 * @param data  the data.
 * @param info  an optional info collection object to return data back to
 *              the caller.
 *
 * @return A state object.
 */
@Override
public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea,
    XYPlot plot, XYDataset data, PlotRenderingInfo info) {
  XYItemRendererState state = super.initialise(g2, dataArea, plot, data,
      info);
  state.setProcessVisibleItemsOnly(false);
  return state;
}

/**
 * Initialises the renderer.  Here we calculate the Java2D y-coordinate for
 * zero, since all the bars have their bases fixed at zero.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area inside the axes.
 * @param plot  the plot.
 * @param data  the data.
 * @param info  an optional info collection object to return data back to
 *              the caller.
 *
 * @return The number of passes required by the renderer.
 */
@Override
public XYItemRendererState initialise(Graphics2D g2, Rectangle2D dataArea,
    XYPlot plot, XYDataset data, PlotRenderingInfo info) {
  XYItemRendererState state = super.initialise(g2, dataArea, plot, data,
      info);
  // disable visible items optimisation - it doesn't work for this
  // renderer...
  state.setProcessVisibleItemsOnly(false);
  return state;
}

/**
 * Initialises the renderer.  Here we calculate the Java2D y-coordinate for
 * zero, since all the bars have their bases fixed at zero.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area inside the axes.
 * @param plot  the plot.
 * @param data  the data.
 * @param info  an optional info collection object to return data back to
 *              the caller.
 *
 * @return The number of passes required by the renderer.
 */
public XYItemRendererState initialise(Graphics2D g2,
                   Rectangle2D dataArea,
                   XYPlot plot,
                   XYDataset data,
                   PlotRenderingInfo info) {
  XYItemRendererState state = super.initialise(g2, dataArea, plot, data,
      info);
  // disable visible items optimisation - it doesn't work for this
  // renderer...
  state.setProcessVisibleItemsOnly(false);
  return state;
}

/**
 * Initialises the renderer and returns a state object that should be
 * passed to subsequent calls to the drawItem() method.  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.
 *
 * @param g2  the graphics device.
 * @param dataArea  the area inside the axes.
 * @param plot  the plot.
 * @param data  the data.
 * @param info  an optional info collection object to return data back to
 *              the caller.
 *
 * @return A state object.
 */
public XYItemRendererState initialise(Graphics2D g2,
                   Rectangle2D dataArea,
                   XYPlot plot,
                   XYDataset data,
                   PlotRenderingInfo info) {
  XYItemRendererState state = super.initialise(g2, dataArea, plot, data,
      info);
  state.setProcessVisibleItemsOnly(false);
  return state;
}