Convert TIF to PDFTag(s): AWT IO IO Open Source


This HowTo is based on the iText package. You need a recent version (ex. 2.*)

This a command line utility. You pass one or many tif files as argument and corresponding PDF are produced. Multipage TIF are supported. TIF are resized to fit a letter-page dimension.

import java.io.FileOutputStream;

import com.lowagie.text.Document;
import com.lowagie.text.Image;
import com.lowagie.text.PageSize;
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;

public class TiffToPDF {
  public static void main(String[] args) {
    if (args.length < 1) {
      System.out
         .println("Usage: Tiff2Pdf file1.tif [file2.tif ... fileN.tif]");
      System.exit(1);
    }
    String tiff;
    String pdf;
    for (int i = 0; i < args.length; i++) {
       tiff = args[i];
       pdf = tiff.substring(0, tiff.lastIndexOf('.') + 1) + "pdf";
       Document document = new Document(PageSize.LETTER, 0, 0, 0, 0);
       try {
          PdfWriter writer = PdfWriter.getInstance(document,
             new FileOutputStream(pdf));
          int pages = 0;
          document.open();
          PdfContentByte cb = writer.getDirectContent();
          RandomAccessFileOrArray ra = null;
          int comps = 0;
          try {
             ra = new RandomAccessFileOrArray(tiff);
             comps = TiffImage.getNumberOfPages(ra);
          } 
          catch (Throwable e) {
             System.out.println("Exception in " + tiff + " "
               + e.getMessage());
             continue;
          }
          System.out.println("Processing: " + tiff);
          for (int c = 0; c < comps; ++c) {
             try {
                Image img = TiffImage.getTiffImage(ra, c + 1);
                if (img != null) {
                  System.out.println("page " + (c + 1));
                  img.scalePercent
                     (7200f / img.getDpiX(), 7200f / img.getDpiY());
                  document.setPageSize
                     (new Rectangle(img.getScaledWidth(), img.getScaledHeight()));
                  img.setAbsolutePosition(0, 0);
                  cb.addImage(img);
                  document.newPage();
                  ++pages;
                }
              } 
              catch (Throwable e) {
                System.out.println("Exception " + tiff + " page "
                  + (c + 1) + " " + e.getMessage());
              }
          }
          ra.close();
          document.close();
          } 
          catch (Throwable e) {
             e.printStackTrace();
          }
          System.out.println("done");
       }
    }
}

blog comments powered by Disqus