Package com.lowagie.tools.plugins

Source Code of com.lowagie.tools.plugins.KnitTiff

/*
* $Id: KnitTiff.java 45 2007-05-15 22:02:53Z chammer $
* Copyright (c) 2005-2007 Bruno Lowagie, Carsten Hammer
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/

/*
* This class was originally published under the MPL by Bruno Lowagie
* and Carsten Hammer.
* It was a part of iText, a Java-PDF library. You can now use it under
* the MIT License; for backward compatibility you can also use it under
* the MPL version 1.1: http://www.mozilla.org/MPL/
* A copy of the MPL license is bundled with the source code FYI.
*/

package com.lowagie.tools.plugins;

import java.io.File;
import java.io.FileOutputStream;

import javax.swing.JInternalFrame;

import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.RandomAccessFileOrArray;
import com.lowagie.text.pdf.codec.TiffImage;
import com.lowagie.tools.AbstractTool;
import com.lowagie.tools.arguments.FileArgument;
import com.lowagie.tools.arguments.StringArgument;
import com.lowagie.tools.arguments.filters.ImageFilter;
import com.lowagie.tools.arguments.filters.PdfFilter;

/**
* Knits two TIFF files, one with the even pages and another with the odd pages, together.
*/
public class KnitTiff extends AbstractTool {

  static {
    addVersion("$Id: KnitTiff.java 45 2007-05-15 22:02:53Z chammer $");
  }
  /**
   * Constructs a KnitTiff object.
   */
  public KnitTiff() {
    menuoptions = MENU_EXECUTE | MENU_EXECUTE_SHOW;
    arguments.add(new FileArgument(this, "odd", "The tiff file with the odd pages", false, new ImageFilter(false, false, false, false, false, true)));
    arguments.add(new FileArgument(this, "even", "The tiff file with the even pages", false, new ImageFilter(false, false, false, false, false, true)));
    arguments.add(new FileArgument(this, "destfile", "The file to which the converted TIFF has to be written", true, new PdfFilter()));
  }

  /**
   * @see com.lowagie.tools.AbstractTool#createFrame()
   */
  protected void createFrame() {
    internalFrame = new JInternalFrame("KnitTiff", true, false, true);
    internalFrame.setSize(300, 80);
    internalFrame.setJMenuBar(getMenubar());
    System.out.println("=== KnitTiff OPENED ===");
  }

  /**
   * @see com.lowagie.tools.AbstractTool#execute()
   */
  public void execute() {
    try {
      if (getValue("odd") == null) throw new InstantiationException("You need to choose a sourcefile for the odd pages");
      File odd_file = (File)getValue("odd");
      if (getValue("even") == null) throw new InstantiationException("You need to choose a sourcefile for the even pages");
      File even_file = (File)getValue("even");
      if (getValue("destfile") == null) throw new InstantiationException("You need to choose a destination file");
      File pdf_file = (File)getValue("destfile");
      RandomAccessFileOrArray odd = new RandomAccessFileOrArray(odd_file.getAbsolutePath());
      RandomAccessFileOrArray even = new RandomAccessFileOrArray(even_file.getAbsolutePath());
      Image img = TiffImage.getTiffImage(odd, 1);
      Document document = new Document(new Rectangle(img.scaledWidth(),
          img.scaledHeight()));
      PdfWriter writer = PdfWriter.getInstance(document,
          new FileOutputStream(pdf_file));
      document.open();
      PdfContentByte cb = writer.getDirectContent();
      int count = Math.max(TiffImage.getNumberOfPages(odd), TiffImage
          .getNumberOfPages(even));
      for (int c = 0; c < count; ++c) {
        try {
          Image imgOdd = TiffImage.getTiffImage(odd, c + 1);
          Image imgEven = TiffImage.getTiffImage(even, count - c);
          document.setPageSize(new Rectangle(imgOdd.scaledWidth(),
              imgOdd.scaledHeight()));
          document.newPage();
          imgOdd.setAbsolutePosition(0, 0);
          cb.addImage(imgOdd);
          document.setPageSize(new Rectangle(imgEven.scaledWidth(),
              imgEven.scaledHeight()));
          document.newPage();
          imgEven.setAbsolutePosition(0, 0);
          cb.addImage(imgEven);

        } catch (Exception e) {
          System.out.println("Exception page " + (c + 1) + " "
              + e.getMessage());
        }
      }
      odd.close();
      even.close();
      document.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

    /**
     *
     * @see com.lowagie.tools.AbstractTool#valueHasChanged(com.lowagie.tools.arguments.StringArgument)
     * @param arg StringArgument
     */
    public void valueHasChanged(StringArgument arg) {
    if (internalFrame == null) {
      // if the internal frame is null, the tool was called from the commandline
      return;
    }
    // represent the changes of the argument in the internal frame
  }


    /**
     * Converts a tiff file to PDF.
     *
     * @param args String[]
     */
    public static void main(String[] args) {
      KnitTiff tool = new KnitTiff();
      if (args.length < 3) {
        System.err.println(tool.getUsage());
      }
      tool.setMainArguments(args);
        tool.execute();
  }

    /**
     *
     * @see com.lowagie.tools.AbstractTool#getDestPathPDF()
     * @throws InstantiationException
     * @return File
     */
    protected File getDestPathPDF() throws InstantiationException {
    return (File)getValue("destfile");
  }
}
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