/* ===========================================================

 * JFreeChart : a free chart library for the Java(tm) platform

 * ===========================================================

 *

 * (C) Copyright 2000-2004, 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., 59 Temple Place, Suite 330,

 * Boston, MA 02111-1307, USA.

 *

 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.

 * in the United States and other countries.]

 *

 * -------------------

 * ChartUtilities.java

 * -------------------

 * (C) Copyright 2001-2004, by Object Refinery Limited and Contributors.

 *

 * Original Author:  David Gilbert (for Object Refinery Limited);

 * Contributor(s):   Wolfgang Irler;

 *                   Richard Atkinson;

 *                   Xavier Poinsard;

 *

 * $Id: ChartUtilities.java,v 1.1 2004/08/31 14:26:08 mungady Exp $

 *

 * Changes

 * -------

 * 11-Dec-2001 : Version 1.  The JPEG method comes from Wolfgang Irler's JFreeChartServletDemo

 *               class (DG);

 * 23-Jan-2002 : Changed saveChartAsXXX(...) methods to pass IOExceptions back to caller (DG);

 * 26-Jun-2002 : Added image map methods (DG);

 * 05-Aug-2002 : Added writeBufferedImage methods

 *               Modified writeImageMap method to support flexible image maps (RA);

 * 26-Aug-2002 : Added saveChartAsJPEG and writeChartAsJPEG methods with info objects (RA);

 * 05-Sep-2002 : Added writeImageMap(...) method to support OverLIB

 *               - http://www.bosrup.com/web/overlib (RA);

 * 26-Sep-2002 : Fixed errors reported by Checkstyle (DG);

 * 17-Oct-2002 : Exposed JPEG quality setting and PNG compression level as parameters (DG);

 * 25-Oct-2002 : Fixed writeChartAsJPEG(...) empty method bug (DG);

 * 13-Mar-2003 : Updated writeImageMap method as suggested by Xavier Poinsard (see

 *               Feature Request 688079) (DG);

 * 12-Aug-2003 : Added support for custom image maps using ToolTipTagFragmentGenerator and

 *               URLTagFragmentGenerator (RA);

 * 02-Sep-2003 : Separated PNG encoding from writing chart to an OutputStream (RA);

 * 04-Dec-2003 : Chart draw(...) method modified to include anchor point (DG);

 * 20-Feb-2004 : Edited Javadocs and added argument checking (DG);

 * 05-Apr-2004 : Fixed problem with buffered image type (DG);

 * 01-Aug-2004 : Modified to use EncoderUtil for all image encoding (RA);

 * 02-Aug-2004 : Delegated image map related functionality to ImageMapUtil (RA);

 *

 */



package org.jfree.chart;



import java.awt.Graphics2D;

import java.awt.geom.AffineTransform;

import java.awt.geom.Rectangle2D;

import java.awt.image.BufferedImage;

import java.io.BufferedOutputStream;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.OutputStream;

import java.io.PrintWriter;



import org.jfree.chart.imagemap.ImageMapUtil;

import org.jfree.chart.imagemap.OverLIBToolTipTagFragmentGenerator;

import org.jfree.chart.imagemap.StandardToolTipTagFragmentGenerator;

import org.jfree.chart.imagemap.StandardURLTagFragmentGenerator;

import org.jfree.chart.imagemap.ToolTipTagFragmentGenerator;

import org.jfree.chart.imagemap.URLTagFragmentGenerator;



import org.jfree.chart.encoders.EncoderUtil;

import org.jfree.chart.encoders.ImageFormat;



/**

 * A collection of utility methods for JFreeChart.  Includes methods for converting charts to

 * image formats (PNG and JPEG) plus creating simple HTML image maps.

 */

public abstract class ChartUtilities {



    /**

     * Writes a chart to an output stream in PNG format.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeChartAsPNG(OutputStream out,

                                       JFreeChart chart,

                                       int width,

                                       int height) throws IOException {



        // defer argument checking...

        writeChartAsPNG(out, chart, width, height, null);



    }



    /**

     * Writes a chart to an output stream in PNG format.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     * @param encodeAlpha  encode alpha?

     * @param compression  the compression level (0-9).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeChartAsPNG(OutputStream out,

                                       JFreeChart chart,

                                       int width,

                                       int height,

                                       boolean encodeAlpha,

                                       int compression) throws IOException {



        // defer argument checking...

        ChartUtilities.writeChartAsPNG(out, chart, width, height, null, encodeAlpha, compression);



    }



    /**

     * Writes a chart to an output stream in PNG format.  This method allows you to pass in a

     * {@link ChartRenderingInfo} object, to collect information about the chart

     * dimensions/entities.  You will need this info if you want to create an HTML image map.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     * @param info  the chart rendering info (<code>null</code> permitted).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeChartAsPNG(OutputStream out,

                                       JFreeChart chart,

                                       int width,

                                       int height,

                                       ChartRenderingInfo info) throws IOException {



        if (chart == null) throw new IllegalArgumentException("Null 'chart' argument.");

        BufferedImage bufferedImage = chart.createBufferedImage(width, height, info);

        EncoderUtil.writeBufferedImage(bufferedImage, ImageFormat.PNG, out);

    }



    /**

     * Writes a chart to an output stream in PNG format.  This method allows you to pass in a

     * {@link ChartRenderingInfo} object, to collect information about the chart

     * dimensions/entities.  You will need this info if you want to create an HTML image map.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     * @param info  carries back chart rendering info (<code>null</code> permitted).

     * @param encodeAlpha  encode alpha?

     * @param compression  the PNG compression level (0-9).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeChartAsPNG(OutputStream out,

                                       JFreeChart chart,

                                       int width, int height,

                                       ChartRenderingInfo info,

                                       boolean encodeAlpha,

                                       int compression) throws IOException {



        if (out == null) {

            throw new IllegalArgumentException("Null 'out' argument.");

        }

        if (chart == null) {

            throw new IllegalArgumentException("Null 'chart' argument.");

        }

        BufferedImage chartImage = chart.createBufferedImage(

            width, height, BufferedImage.TYPE_INT_ARGB, info

        );

        ChartUtilities.writeBufferedImageAsPNG(out, chartImage, encodeAlpha, compression);



    }



    /**

     * Writes a scaled version of a chart to an output stream in PNG format.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the unscaled chart width.

     * @param height  the unscaled chart height.

     * @param widthScaleFactor  the horizontal scale factor.

     * @param heightScaleFactor  the vertical scale factor.

     *

     * @throws IOException if there are any I/O problems.

     */

    public static void writeScaledChartAsPNG(OutputStream out,

                                             JFreeChart chart,

                                             int width,

                                             int height,

                                             int widthScaleFactor,

                                             int heightScaleFactor) throws IOException {



        if (out == null) {

            throw new IllegalArgumentException("Null 'out' argument.");

        }

        if (chart == null) {

            throw new IllegalArgumentException("Null 'chart' argument.");

        }



        double desiredWidth = width * widthScaleFactor;

        double desiredHeight = height * heightScaleFactor;

        double defaultWidth = width;

        double defaultHeight = height;

        boolean scale = false;



        // get desired width and height from somewhere then...

        if ((widthScaleFactor != 1) || (heightScaleFactor != 1)) {

            scale = true;

        }



        double scaleX = desiredWidth / defaultWidth;

        double scaleY = desiredHeight / defaultHeight;



        BufferedImage image = new BufferedImage(

            (int) desiredWidth, (int) desiredHeight, BufferedImage.TYPE_INT_ARGB

        );

        Graphics2D g2 = image.createGraphics();



        if (scale) {

            AffineTransform saved = g2.getTransform();

            g2.transform(AffineTransform.getScaleInstance(scaleX, scaleY));

            chart.draw(g2, new Rectangle2D.Double(0, 0, defaultWidth, defaultHeight), null, null);

            g2.setTransform(saved);

            g2.dispose();

        }

        else {

            chart.draw(g2, new Rectangle2D.Double(0, 0, defaultWidth, defaultHeight), null, null);

        }

        out.write(encodeAsPNG(image));



    }



    /**

     * Saves a chart to the specified file in PNG format.

     *

     * @param file  the file name (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void saveChartAsPNG(File file,

                                      JFreeChart chart,

                                      int width,

                                      int height) throws IOException {



        // defer argument checking...

        saveChartAsPNG(file, chart, width, height, null);



    }



    /**

     * Saves a chart to a file in PNG format.  This method allows you to pass in a

     * {@link ChartRenderingInfo} object, to collect information about the chart

     * dimensions/entities.  You will need this info if you want to create an HTML image map.

     *

     * @param file  the file (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     * @param info  the chart rendering info (<code>null</code> permitted).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void saveChartAsPNG(File file,

                                      JFreeChart chart,

                                      int width,

                                      int height,

                                      ChartRenderingInfo info) throws IOException {



        if (file == null) {

            throw new IllegalArgumentException("Null 'file' argument.");

        }

        OutputStream out = new BufferedOutputStream(new FileOutputStream(file));

        ChartUtilities.writeChartAsPNG(out, chart, width, height, info);

        out.close();

    }



    /**

     * Saves a chart to a file in PNG format.  This method allows you to pass in a

     * {@link ChartRenderingInfo} object, to collect information about the chart

     * dimensions/entities.  You will need this info if you want to create an HTML image map.

     *

     * @param file  the file (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     * @param info  the chart rendering info (<code>null</code> permitted).

     * @param encodeAlpha  encode alpha?

     * @param compression  the PNG compression level (0-9).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void saveChartAsPNG(File file,

                                      JFreeChart chart,

                                      int width,

                                      int height,

                                      ChartRenderingInfo info,

                                      boolean encodeAlpha,

                                      int compression) throws IOException {



        if (file == null) throw new IllegalArgumentException("Null 'file' argument.");

        if (chart == null) throw new IllegalArgumentException("Null 'chart' argument.");



        OutputStream out = new BufferedOutputStream(new FileOutputStream(file));

        writeChartAsPNG(out, chart, width, height, info, encodeAlpha, compression);

        out.close();



    }



    /**

     * Writes a chart to an output stream in JPEG format.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeChartAsJPEG(OutputStream out,

                                        JFreeChart chart,

                                        int width,

                                        int height) throws IOException {



        // defer argument checking...

        writeChartAsJPEG(out, chart, width, height, null);



    }



    /**

     * Writes a chart to an output stream in JPEG format.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param quality  the quality setting.

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeChartAsJPEG(OutputStream out,

                                        float quality,

                                        JFreeChart chart,

                                        int width,

                                        int height) throws IOException {



        // defer argument checking...

        ChartUtilities.writeChartAsJPEG(out, quality, chart, width, height, null);



    }



    /**

     * Writes a chart to an output stream in JPEG format. This method allows you to pass in a

     * {@link ChartRenderingInfo} object, to collect information about the chart

     * dimensions/entities.  You will need this info if you want to create an HTML image map.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     * @param info  the chart rendering info (<code>null</code> permitted).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeChartAsJPEG(OutputStream out,

                                        JFreeChart chart,

                                        int width,

                                        int height,

                                        ChartRenderingInfo info) throws IOException {



        if (chart == null) throw new IllegalArgumentException("Null 'chart' argument.");

        BufferedImage image = chart.createBufferedImage(width, height, info);

        EncoderUtil.writeBufferedImage(image, ImageFormat.JPEG, out);



    }



    /**

     * Writes a chart to an output stream in JPEG format.  This method allows you to pass in a

     * {@link ChartRenderingInfo} object, to collect information about the chart

     * dimensions/entities.  You will need this info if you want to create an HTML image map.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param quality  the output quality (0.0f to 1.0f).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     * @param info  the chart rendering info (<code>null</code> permitted).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeChartAsJPEG(OutputStream out,

                                        float quality,

                                        JFreeChart chart,

                                        int width,

                                        int height,

                                        ChartRenderingInfo info) throws IOException {



        if (chart == null) throw new IllegalArgumentException("Null 'chart' argument.");

        BufferedImage image = chart.createBufferedImage(width, height, info);

        EncoderUtil.writeBufferedImage(image, ImageFormat.JPEG, out, quality);



    }



    /**

     * Saves a chart to a file in JPEG format.

     *

     * @param file  the file (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void saveChartAsJPEG(File file,

                                       JFreeChart chart,

                                       int width,

                                       int height) throws IOException {



        // defer argument checking...

        saveChartAsJPEG(file, chart, width, height, null);



    }



    /**

     * Saves a chart to a file in JPEG format.

     *

     * @param file  the file (<code>null</code> not permitted).

     * @param quality  the JPEG quality setting.

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void saveChartAsJPEG(File file,

                                       float quality,

                                       JFreeChart chart,

                                       int width,

                                       int height) throws IOException {



        // defer argument checking...

        saveChartAsJPEG(file, quality, chart, width, height, null);



    }



    /**

     * Saves a chart to a file in JPEG format.  This method allows you to pass in a

     * {@link ChartRenderingInfo} object, to collect information about the chart

     * dimensions/entities.  You will need this info if you want to create an HTML image map.

     *

     * @param file  the file name (<code>null</code> not permitted).

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     * @param info  the chart rendering info (<code>null</code> permitted).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void saveChartAsJPEG(File file,

                                       JFreeChart chart,

                                       int width,

                                       int height,

                                       ChartRenderingInfo info) throws IOException {



        if (file == null) throw new IllegalArgumentException("Null 'file' argument.");

        if (chart == null) throw new IllegalArgumentException("Null 'chart' argument.");

        OutputStream out = new BufferedOutputStream(new FileOutputStream(file));

        writeChartAsJPEG(out, chart, width, height, info);

        out.close();



    }



    /**

     * Saves a chart to a file in JPEG format.  This method allows you to pass in a

     * {@link ChartRenderingInfo} object, to collect information about the chart

     * dimensions/entities.  You will need this info if you want to create an HTML image map.

     *

     * @param file  the file name (<code>null</code> not permitted).

     * @param quality  the quality setting.

     * @param chart  the chart (<code>null</code> not permitted).

     * @param width  the image width.

     * @param height  the image height.

     * @param info  the chart rendering info (<code>null</code> permitted).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void saveChartAsJPEG(File file,

                                       float quality,

                                       JFreeChart chart,

                                       int width,

                                       int height,

                                       ChartRenderingInfo info) throws IOException {



        if (file == null) throw new IllegalArgumentException("Null 'file' argument.");

        if (chart == null) throw new IllegalArgumentException("Null 'chart' argument.");

        OutputStream out = new BufferedOutputStream(new FileOutputStream(file));

        writeChartAsJPEG(out, quality, chart, width, height, info);

        out.close();



    }



    /**

     * Writes a {@link BufferedImage} to an output stream in JPEG format.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param image  the image (<code>null</code> not permitted).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeBufferedImageAsJPEG(OutputStream out, BufferedImage image)

        throws IOException {



        // defer argument checking...

        writeBufferedImageAsJPEG(out, 0.75f, image);



    }



    /**

     * Writes a {@link BufferedImage} to an output stream in JPEG format.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param quality  the image quality (0.0f to 1.0f).

     * @param image  the image (<code>null</code> not permitted).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeBufferedImageAsJPEG(OutputStream out, float quality,

                                                BufferedImage image) throws IOException {



        EncoderUtil.writeBufferedImage(image, ImageFormat.JPEG, out, quality);



    }



    /**

     * Writes a {@link BufferedImage} to an output stream in PNG format.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param image  the image (<code>null</code> not permitted).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeBufferedImageAsPNG(OutputStream out, BufferedImage image)

        throws IOException {



        EncoderUtil.writeBufferedImage(image, ImageFormat.PNG, out);



    }



    /**

     * Writes a {@link BufferedImage} to an output stream in PNG format.

     *

     * @param out  the output stream (<code>null</code> not permitted).

     * @param image  the image (<code>null</code> not permitted).

     * @param encodeAlpha  encode alpha?

     * @param compression  the compression level (0-9).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeBufferedImageAsPNG(OutputStream out,

                                               BufferedImage image,

                                               boolean encodeAlpha,

                                               int compression) throws IOException {



        EncoderUtil.writeBufferedImage(image, ImageFormat.PNG, out, compression, encodeAlpha);

    }



    /**

     * Encodes a {@link BufferedImage} to PNG format.

     *

     * @param image  the image (<code>null</code> not permitted).

     *

     * @return A byte array in PNG format.

     * 

     * @throws IOException if there is an I/O problem.

     */

    public static byte[] encodeAsPNG(BufferedImage image) throws IOException {

        return EncoderUtil.encode(image, ImageFormat.PNG);

    }



    /**

     * Encodes a {@link BufferedImage} to PNG format.

     *

     * @param image  the image (<code>null</code> not permitted).

     * @param encodeAlpha  encode alpha?

     * @param compression  the PNG compression level (0-9).

     *

     * @return The byte array in PNG format.

     * 

     * @throws IOException if there is an I/O problem.

     */

    public static byte[] encodeAsPNG(BufferedImage image, boolean encodeAlpha, int compression) throws IOException {

        return EncoderUtil.encode(image, ImageFormat.PNG, compression, encodeAlpha);

    }



    /**

     * Writes an image map to an output stream.

     *

     * @param writer  the writer (<code>null</code> not permitted).

     * @param name  the map name (<code>null</code> not permitted).

     * @param info  the chart rendering info (<code>null</code> not permitted).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeImageMap(PrintWriter writer, String name, ChartRenderingInfo info)

        throws IOException {



        // defer argument checking...

        ImageMapUtil.writeImageMap(

            writer, name, info,

            new StandardToolTipTagFragmentGenerator(),

            new StandardURLTagFragmentGenerator()

        );



    }



    /**

     * Writes an image map to an output stream.

     *

     * @param writer  the writer (<code>null</code> not permitted).

     * @param name  the map name (<code>null</code> not permitted).

     * @param info  the chart rendering info (<code>null</code> not permitted).

     * @param useOverLibForToolTips  whether to use OverLIB for tooltips

     *                               (http://www.bosrup.com/web/overlib/).

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeImageMap(PrintWriter writer,

                                     String name,

                                     ChartRenderingInfo info,

                                     boolean useOverLibForToolTips) throws IOException {



        ToolTipTagFragmentGenerator toolTipTagFragmentGenerator = null;

        if (useOverLibForToolTips) {

            toolTipTagFragmentGenerator = new OverLIBToolTipTagFragmentGenerator();

        }

        else {

            toolTipTagFragmentGenerator = new StandardToolTipTagFragmentGenerator();

        }

        ImageMapUtil.writeImageMap(

            writer, name, info, toolTipTagFragmentGenerator, new StandardURLTagFragmentGenerator()

        );



    }



    /**

     * Writes an image map to an output stream.

     *

     * @param writer  the writer (<code>null</code> not permitted).

     * @param name  the map name (<code>null</code> not permitted).

     * @param info  the chart rendering info (<code>null</code> not permitted).

     * @param toolTipTagFragmentGenerator  the tool tip generator.

     * @param urlTagFragmentGenerator  the url generator.

     *

     * @throws IOException if there are any I/O errors.

     */

    public static void writeImageMap(PrintWriter writer, String name, ChartRenderingInfo info,

                                     ToolTipTagFragmentGenerator toolTipTagFragmentGenerator,

                                     URLTagFragmentGenerator urlTagFragmentGenerator)

                                     throws IOException {



        writer.println(

            ImageMapUtil.getImageMap(

                name, info, toolTipTagFragmentGenerator, urlTagFragmentGenerator

            )

        );

    }



    /**

     * Creates an HTML image map.

     *

     * @param name  the map name (<code>null</code> not permitted).

     * @param info  the chart rendering info (<code>null</code> not permitted).

     *

     * @return the map tag.

     */

    public static String getImageMap(String name, ChartRenderingInfo info) {

        return ImageMapUtil.getImageMap(

            name,

            info,

            new StandardToolTipTagFragmentGenerator(),

            new StandardURLTagFragmentGenerator()

        );

    }



    /**

     * Creates an HTML image map.

     *

     * @param name  the map name (<code>null</code> not permitted).

     * @param info  the chart rendering info (<code>null</code> not permitted).

     * @param toolTipTagFragmentGenerator  the tool tip generator.

     * @param urlTagFragmentGenerator  the url generator.

     *

     * @return the map tag.

     */

    public static String getImageMap(String name,

                                     ChartRenderingInfo info,

                                     ToolTipTagFragmentGenerator toolTipTagFragmentGenerator,

                                     URLTagFragmentGenerator urlTagFragmentGenerator) {



        return ImageMapUtil.getImageMap(name, info, toolTipTagFragmentGenerator, urlTagFragmentGenerator);

    }



}

