The image may be very big. Try img.scalePercent(10).
Paulo
> -----Original Message-----
> From: vojtik [mailto:[email protected]]
> Sent: Wednesday, November 18, 2009 8:51 AM
> To: [email protected]
> Subject: [iText-questions] PDF generated from TIFF is blank - vol.2
>
> Hi,
>
> sorry but I don't know what is 'media box'. To generate PDF
> from TIFF, I use this code:
>
> public IDfDocument tiffToPdf(IDfDocument doc) throws DfException {
> if (!doc.getContentType().equals("tiff")) {
> System.out.println("Doc isn't tiff document");
> return null;
> }
> String tiff_file = doc.getObjectName();
> String pdf_file;
> if (tiff_file.lastIndexOf('.') >= 0) {
> pdf_file = tiff_file.substring(0,
> tiff_file.lastIndexOf('.') + 1) + "pdf";
> }
> else {
> pdf_file = tiff_file + ".pdf";
> }
> Document document = null;
> PdfWriter writer = null;
> PdfContentByte cb = null;
> ByteArrayInputStream bais = doc.getContent();
> ByteArrayOutputStream baos = new ByteArrayOutputStream();
> try {
> int pages = 0;
> RandomAccessFileOrArray ra = null;
> int comps = 0;
> try {
> ra = new RandomAccessFileOrArray(bais);
> comps = TiffImage.getNumberOfPages(ra);
> }
> catch (Throwable e) {
> System.out.println("Exception in " + tiff_file + " "
> + e.getMessage());
> return null;
> }
> System.out.println("Processing: " + tiff_file);
> 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.setAbsolutePosition(0, 0);
> if (document == null) {
> document = new Document(new
> Rectangle(img.getWidth(), img.getHeight()));
> writer = PdfWriter.getInstance(document, baos);
> document.open();
> cb = writer.getDirectContent();
> }
> cb.addImage(img);
> document.newPage();
> ++pages;
> }
> }
> catch (Throwable e) {
> System.out.println("Exception " + tiff_file + "
> page " + (c + 1) + " " + e.getMessage());
> }
> }
> ra.close();
> document.close();
>
> IDfId newDocId = doc.saveAsNew(true);
> IDfDocument newDoc = (IDfDocument)
> doc.getSession().getObject(newDocId);
>
> newDoc.setContentEx(baos, "pdf", 0);
> newDoc.setObjectName(pdf_file);
> newDoc.save();
> return newDoc;
> }
> catch (Throwable e) {
> e.printStackTrace();
> return null;
> }
> }
>
>
> Thanks for any help.
>
> Vojta
>
> ______________________________________________________________
> _________
> Message: 3
> Date: Sun, 15 Nov 2009 10:53:20 +0100
> From: 1T3XT info <[email protected]>
> Subject: Re: [iText-questions] PDF generated from TIFF is blank
> To: Post all your questions about iText here
> <[email protected]>
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> vojtik wrote:
> > Hi all,
> >
> > i have little problem - i try to generate PDF file from
> large TIFF (zipped TIFF
> > has aprox. 2 MB, unzipped has about 50MB) a the problem is
> that the final PDF
> > file is blank. Document has correct page size, but its
> blank, white page in PDF.
> >
> > Please, do you have any idea what's the reason?
>
> Maybe you've added the image outside the media box.
> Without more info, we can't help you.
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