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JFreeChart is a class library, written in Java, for generating charts.
Utilising the Java2D APIs, it currently supports bar charts, pie charts,
line charts, XY-plots and time series plots.
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2013, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* ----------------------
* PolarItemRenderer.java
* ----------------------
* (C) Copyright 2004-2011, by Solution Engineering, Inc. and Contributors.
*
* Original Author: Daniel Bridenbecker, Solution Engineering, Inc.;
* Contributor(s): David Gilbert (for Object Refinery Limited);
*
* Changes
* -------
* 19-Jan-2004 : Version 1, contributed by DB with minor changes by DG (DG);
* 03-Oct-2011 : Added tooltip and URL generator support (MH);
*
*/
package org.jfree.chart.renderer;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.util.List;
import org.jfree.chart.LegendItem;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.event.RendererChangeEvent;
import org.jfree.chart.event.RendererChangeListener;
import org.jfree.chart.labels.XYToolTipGenerator;
import org.jfree.chart.plot.PlotRenderingInfo;
import org.jfree.chart.plot.PolarPlot;
import org.jfree.chart.urls.XYURLGenerator;
import org.jfree.data.xy.XYDataset;
/**
* The interface for a renderer that can be used by the {@link PolarPlot}
* class.
*/
public interface PolarItemRenderer {
/**
* Plots the data for a given series.
*
* @param g2 the drawing surface.
* @param dataArea the data area.
* @param info collects plot rendering info.
* @param plot the plot.
* @param dataset the dataset.
* @param seriesIndex the series index.
*/
public void drawSeries(Graphics2D g2, Rectangle2D dataArea,
PlotRenderingInfo info, PolarPlot plot, XYDataset dataset,
int seriesIndex);
/**
* Draw the angular gridlines - the spokes.
*
* @param g2 the drawing surface.
* @param plot the plot.
* @param ticks the ticks.
* @param dataArea the data area.
*/
public void drawAngularGridLines(Graphics2D g2, PolarPlot plot,
List ticks, Rectangle2D dataArea);
/**
* Draw the radial gridlines - the rings.
*
* @param g2 the drawing surface.
* @param plot the plot.
* @param radialAxis the radial axis.
* @param ticks the ticks.
* @param dataArea the data area.
*/
public void drawRadialGridLines(Graphics2D g2, PolarPlot plot,
ValueAxis radialAxis, List ticks, Rectangle2D dataArea);
/**
* Return the legend for the given series.
*
* @param series the series index.
*
* @return The legend item.
*/
public LegendItem getLegendItem(int series);
/**
* Returns the plot that this renderer has been assigned to.
*
* @return The plot.
*/
public PolarPlot getPlot();
/**
* Sets the plot that this renderer is assigned to. This method will be
* called by the plot class...you do not need to call it yourself.
*
* @param plot the plot.
*/
public void setPlot(PolarPlot plot);
/**
* Adds a change listener.
*
* @param listener the listener.
*/
public void addChangeListener(RendererChangeListener listener);
/**
* Removes a change listener.
*
* @param listener the listener.
*/
public void removeChangeListener(RendererChangeListener listener);
//// TOOL TIP GENERATOR ///////////////////////////////////////////////////
/**
* Returns the tool tip generator for a data item.
*
* @param row the row index (zero based).
* @param column the column index (zero based).
*
* @return The generator (possibly null).
*
* @since 1.0.14
*/
public XYToolTipGenerator getToolTipGenerator(int row, int column);
/**
* Returns the tool tip generator for a series.
*
* @param series the series index (zero based).
*
* @return The generator (possibly null).
*
* @see #setSeriesToolTipGenerator(int, XYToolTipGenerator)
*
* @since 1.0.14
*/
public XYToolTipGenerator getSeriesToolTipGenerator(int series);
/**
* Sets the tool tip generator for a series and sends a
* {@link RendererChangeEvent} to all registered listeners.
*
* @param series the series index (zero based).
* @param generator the generator (null permitted).
*
* @see #getSeriesToolTipGenerator(int)
*
* @since 1.0.14
*/
public void setSeriesToolTipGenerator(int series,
XYToolTipGenerator generator);
/**
* Returns the base tool tip generator.
*
* @return The generator (possibly null).
*
* @see #setBaseToolTipGenerator(XYToolTipGenerator)
*
* @since 1.0.14
*/
public XYToolTipGenerator getBaseToolTipGenerator();
/**
* Sets the base tool tip generator and sends a {@link RendererChangeEvent}
* to all registered listeners.
*
* @param generator the generator (null permitted).
*
* @see #getBaseToolTipGenerator()
*
* @since 1.0.14
*/
public void setBaseToolTipGenerator(XYToolTipGenerator generator);
//// URL GENERATOR ////////////////////////////////////////////////////////
/**
* Returns the URL generator for HTML image maps.
*
* @return The URL generator (possibly null).
*
* @since 1.0.14
*/
public XYURLGenerator getURLGenerator();
/**
* Sets the URL generator for HTML image maps.
*
* @param urlGenerator the URL generator (null permitted).
*
* @since 1.0.14
*/
public void setURLGenerator(XYURLGenerator urlGenerator);
}