com.eteks.sweethome3d.swing.HomePDFPrinter.java Source code

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Here is the source code for com.eteks.sweethome3d.swing.HomePDFPrinter.java

Source

/*
 * HomePDFPrinter.java 7 sept. 07
 *
 * Sweet Home 3D, Copyright (c) 2007 Emmanuel PUYBARET / eTeks <info@eteks.com>
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package com.eteks.sweethome3d.swing;

import java.awt.Font;
import java.awt.Graphics;
import java.awt.print.PageFormat;
import java.awt.print.PrinterException;
import java.io.IOException;
import java.io.InterruptedIOException;
import java.io.OutputStream;

import com.eteks.sweethome3d.model.Home;
import com.eteks.sweethome3d.model.UserPreferences;
import com.eteks.sweethome3d.viewcontroller.ContentManager;
import com.eteks.sweethome3d.viewcontroller.HomeController;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;

/**
 * Home PDF printer. PDF creation is implemented with iText. 
 * @author Emmanuel Puybaret
 */
public class HomePDFPrinter {
    private final Home home;
    private final UserPreferences preferences;
    private final HomeController controller;
    private final Font defaultFont;

    /**
     * Creates a PDF printer able to write to an output stream. 
     */
    public HomePDFPrinter(Home home, UserPreferences preferences, HomeController controller, Font defaultFont) {
        this.home = home;
        this.preferences = preferences;
        this.controller = controller;
        this.defaultFont = defaultFont;
    }

    /**
     * Writes to <code>outputStream</code> the print of a home in PDF format.
     */
    public void write(OutputStream outputStream) throws IOException {
        PageFormat pageFormat = HomePrintableComponent.getPageFormat(this.home.getPrint());
        Document pdfDocument = new Document(
                new Rectangle((float) pageFormat.getWidth(), (float) pageFormat.getHeight()));
        try {
            // Get a PDF writer that will write to the given PDF output stream
            PdfWriter pdfWriter = PdfWriter.getInstance(pdfDocument, outputStream);
            pdfDocument.open();

            // Set PDF document description
            pdfDocument.addAuthor(System.getProperty("user.name", ""));
            String pdfDocumentCreator = this.preferences.getLocalizedString(HomePDFPrinter.class,
                    "pdfDocument.creator");
            pdfDocument.addCreator(pdfDocumentCreator);
            pdfDocument.addCreationDate();
            String homeName = this.home.getName();
            if (homeName != null) {
                pdfDocument.addTitle(this.controller.getContentManager().getPresentationName(homeName,
                        ContentManager.ContentType.PDF));
            }

            PdfContentByte pdfContent = pdfWriter.getDirectContent();
            HomePrintableComponent printableComponent = new HomePrintableComponent(this.home, this.controller,
                    this.defaultFont);
            // Print each page
            for (int page = 0, pageCount = printableComponent.getPageCount(); page < pageCount; page++) {
                // Check current thread isn't interrupted
                if (Thread.interrupted()) {
                    throw new InterruptedIOException();
                }
                PdfTemplate pdfTemplate = pdfContent.createTemplate((float) pageFormat.getWidth(),
                        (float) pageFormat.getHeight());
                Graphics g = pdfTemplate.createGraphicsShapes((float) pageFormat.getWidth(),
                        (float) pageFormat.getHeight());

                printableComponent.print(g, pageFormat, page);

                pdfContent.addTemplate(pdfTemplate, 0, 0);
                g.dispose();

                if (page != pageCount - 1) {
                    pdfDocument.newPage();
                }
            }
            pdfDocument.close();
        } catch (DocumentException ex) {
            IOException exception = new IOException("Couldn't print to PDF");
            exception.initCause(ex);
            throw exception;
        } catch (InterruptedPrinterException ex) {
            throw new InterruptedIOException("Print to PDF interrupted");
        } catch (PrinterException ex) {
            IOException exception = new IOException("Couldn't print to PDF");
            exception.initCause(ex);
            throw exception;
        }
    }
}