org.encog.workbench.util.graph.EncogChartPanel.java Source code

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Here is the source code for org.encog.workbench.util.graph.EncogChartPanel.java

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/*
 * Encog(tm) Workbench v3.0
 * http://www.heatonresearch.com/encog/
 * http://code.google.com/p/encog-java/
     
 * Copyright 2008-2011 Heaton Research, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *   
 * For more information on Heaton Research copyrights, licenses 
 * and trademarks visit:
 * http://www.heatonresearch.com/copyright
 */
package org.encog.workbench.util.graph;

import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.geom.Rectangle2D;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;

import javax.swing.JFileChooser;

import org.apache.batik.dom.GenericDOMImplementation;
import org.apache.batik.svggen.SVGGraphics2D;
import org.encog.util.file.FileUtil;
import org.encog.workbench.EncogWorkBench;
import org.encog.workbench.WorkBenchError;
import org.encog.workbench.dialogs.SaveImageDialog;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.ui.ExtensionFileFilter;
import org.w3c.dom.DOMImplementation;

import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.FontMapper;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;

public class EncogChartPanel extends ChartPanel {

    public EncogChartPanel(JFreeChart chart) {
        super(chart);
    }

    public EncogChartPanel(JFreeChart chart, boolean properties, boolean save, boolean print, boolean zoom,
            boolean tooltips) {
        super(chart, properties, save, print, zoom, tooltips);
    }

    public EncogChartPanel(JFreeChart chart, boolean useBuffer) {
        super(chart, useBuffer);
    }

    public EncogChartPanel(JFreeChart chart, int width, int height, int minimumDrawWidth, int minimumDrawHeight,
            int maximumDrawWidth, int maximumDrawHeight, boolean useBuffer, boolean properties, boolean copy,
            boolean save, boolean print, boolean zoom, boolean tooltips) {
        super(chart, width, height, minimumDrawWidth, minimumDrawHeight, maximumDrawWidth, maximumDrawHeight,
                useBuffer, properties, copy, save, print, zoom, tooltips);
    }

    public EncogChartPanel(JFreeChart chart, int width, int height, int minimumDrawWidth, int minimumDrawHeight,
            int maximumDrawWidth, int maximumDrawHeight, boolean useBuffer, boolean properties, boolean save,
            boolean print, boolean zoom, boolean tooltips) {
        super(chart, width, height, minimumDrawWidth, minimumDrawHeight, maximumDrawWidth, maximumDrawHeight,
                useBuffer, properties, save, print, zoom, tooltips);
    }

    /**
     * Opens a file chooser and gives the user an opportunity to save the chart
     * in PNG format.
     *
     * @throws IOException if there is an I/O error.
     */
    public void doSaveAs() throws IOException {

        SaveImageDialog dialog = new SaveImageDialog(EncogWorkBench.getInstance().getMainWindow());

        dialog.getImageWidth().setValue(640);
        dialog.getImageHeight().setValue(480);

        if (dialog.process()) {

            File filename = new File(dialog.getTargetFile().getValue());
            int width = dialog.getImageWidth().getValue();
            int height = dialog.getImageHeight().getValue();

            switch (dialog.getFileType().getSelectedIndex()) {
            case 0:
                filename = new File(FileUtil.forceExtension(filename.toString(), "png"));
                ChartUtilities.saveChartAsPNG(filename, this.getChart(), width, height);
                break;
            case 1:
                filename = new File(FileUtil.forceExtension(filename.toString(), "jpg"));
                ChartUtilities.saveChartAsPNG(filename, this.getChart(), width, height);
                break;
            case 2:
                filename = new File(FileUtil.forceExtension(filename.toString(), "pdf"));
                DocumentPDF.savePDF(filename, getChart(), width, height);
                break;
            case 3:
                filename = new File(FileUtil.forceExtension(filename.toString(), "svg"));
                DocumentSVG.saveSVG(filename, getChart(), width, height);
                break;

            }
        }

    }
}