net.pickapack.chart.ChartPdfExporter.java Source code

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Here is the source code for net.pickapack.chart.ChartPdfExporter.java

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/*******************************************************************************
 * Copyright (c) 2010-2012 by Min Cai (min.cai.china@gmail.com).
 *
 * This file is part of the Archimulator multicore architectural simulator.
 *
 * Archimulator is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Archimulator 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Archimulator. If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package net.pickapack.chart;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Rectangle;
import com.itextpdf.awt.DefaultFontMapper;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfTemplate;
import com.itextpdf.text.pdf.PdfWriter;
import org.jfree.chart.JFreeChart;

import java.awt.*;
import java.awt.geom.Rectangle2D;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

/**
 * Chart to PDF exporter.
 *
 * @author Min Cai
 */
public class ChartPdfExporter {
    /**
     * Export the specified chart to the specified PDF file.
     *
     * @param chart the chart
     * @param width the width of the PDF file
     * @param height the height of the PDF file
     * @param fileName the PDF file name
     */
    public static void exportPdf(JFreeChart chart, int width, int height, String fileName) {
        try {
            Document document = new Document(new Rectangle(width, height));
            PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(fileName));
            document.open();
            PdfContentByte cb = writer.getDirectContent();
            PdfTemplate tp = cb.createTemplate(width, height);
            Graphics2D g2d = tp.createGraphics(width, height, new DefaultFontMapper());
            Rectangle2D r2d = new Rectangle2D.Double(0, 0, width, height);
            chart.draw(g2d, r2d);
            g2d.dispose();
            cb.addTemplate(tp, 0, 0);
            document.close();
        } catch (DocumentException e) {
            throw new RuntimeException(e);
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        }
    }
}