001/* ===========================================================
002 * Orson Charts : a 3D chart library for the Java(tm) platform
003 * ===========================================================
004 * 
005 * (C)opyright 2013-2022, by David Gilbert.  All rights reserved.
006 * 
007 * https://github.com/jfree/orson-charts
008 * 
009 * This program is free software: you can redistribute it and/or modify
010 * it under the terms of the GNU General Public License as published by
011 * the Free Software Foundation, either version 3 of the License, or
012 * (at your option) any later version.
013 *
014 * This program is distributed in the hope that it will be useful,
015 * but WITHOUT ANY WARRANTY; without even the implied warranty of
016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
017 * GNU General Public License for more details.
018 *
019 * You should have received a copy of the GNU General Public License
020 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
021 * 
022 * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
023 * Other names may be trademarks of their respective owners.]
024 * 
025 * If you do not wish to be bound by the terms of the GPL, an alternative
026 * commercial license can be purchased.  For details, please see visit the
027 * Orson Charts home page:
028 * 
029 * http://www.object-refinery.com/orsoncharts/index.html
030 * 
031 */
032
033package org.jfree.chart3d.graphics3d.swing;
034
035import java.awt.Graphics2D;
036import java.awt.Rectangle;
037import java.awt.event.ActionEvent;
038import java.awt.geom.Dimension2D;
039import java.awt.image.BufferedImage;
040import java.io.File;
041import java.io.IOException;
042
043import javax.imageio.ImageIO;
044import javax.swing.AbstractAction;
045import javax.swing.JFileChooser;
046import javax.swing.filechooser.FileNameExtensionFilter;
047
048import org.jfree.chart3d.Resources;
049import org.jfree.chart3d.internal.Args;
050
051/**
052 * An action that handles saving the content of a panel to a JPEG image.
053 * <br><br>
054 * NOTE: This class is serializable, but the serialization format is subject 
055 * to change in future releases and should not be relied upon for persisting 
056 * instances of this class. 
057 * 
058 * @since 1.2
059 */
060@SuppressWarnings("serial")
061public class ExportToJPEGAction extends AbstractAction {
062
063    /** The panel to which this action applies. */
064    private final Panel3D panel;
065  
066    /**
067     * Creates a new action instance.
068     * 
069     * @param panel  the panel ({@code null} not permitted).
070     */
071    public ExportToJPEGAction(Panel3D panel) {
072        super(Resources.localString("JPG_MENU_LABEL"));
073        Args.nullNotPermitted(panel, "panel");
074        this.panel = panel;
075    }
076
077    /**
078     * Writes the content of the panel to a PNG image, using Java's ImageIO.
079     * 
080     * @param e  the event.
081     */
082    @Override
083    public void actionPerformed(ActionEvent e) {
084        JFileChooser fileChooser = new JFileChooser();
085        FileNameExtensionFilter filter = new FileNameExtensionFilter(
086                Resources.localString("JPG_FILE_FILTER_DESCRIPTION"), "jpg");
087        fileChooser.addChoosableFileFilter(filter);
088        fileChooser.setFileFilter(filter);
089
090        int option = fileChooser.showSaveDialog(this.panel);
091        if (option == JFileChooser.APPROVE_OPTION) {
092            String filename = fileChooser.getSelectedFile().getPath();
093            if (!filename.endsWith(".jpg")) {
094                filename = filename + ".jpg";
095            }
096            Dimension2D size = this.panel.getSize();
097            int w = (int) size.getWidth();
098            int h = (int) size.getHeight();
099            BufferedImage image = new BufferedImage(w, h, 
100                    BufferedImage.TYPE_INT_RGB);
101            Graphics2D g2 = image.createGraphics();
102            this.panel.getDrawable().draw(g2, new Rectangle(w, h));
103            try {
104                ImageIO.write(image, "jpeg", new File(filename));
105            } catch (IOException ex) {
106                throw new RuntimeException(ex);
107            }
108        }
109    }
110    
111}