iText doesn't support transparency in TIFF. Unless you need CMYK images use PNG instead. (I must add transparency to TIFFs one of these days...)
> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of Ruud Huynen > Sent: Thursday, March 03, 2005 12:26 PM > To: [email protected]; [EMAIL PROTECTED] > Subject: Re: [iText-questions] Printing takes 5 times longer > when using a PdfTransparencyGroup > > Paulo and Leonard, thank you for your replies. > > We use HP Postscript printer. > Can I use PdfStamper were the background TIFF and TIFF > document have a > white background ? Using my OPTION 1 overwrites the other. > > Can you point me to a tool to add transparency to a TIFF. > I have Photoshop, does somebody now how to accomplish transparency. > > Thanks for all replies > Ruud > > >>> Leonard Rosenthol <[EMAIL PROTECTED]> 02.03.2005 19:25:34 >>> > At 12:09 PM 3/2/2005, Ruud Huynen wrote: > > gs.setBlendMode(PdfGState.BM_MULTIPLY); > > cb.setGState(gs); > > PdfTransparencyGroup group = new PdfTransparencyGroup(); > > pageBG.setGroup(group); > > You are creating a VERY complex transparency situation, which > (for > some printers) may have to be rendered entirely as raster > image instead > of > text/vectors. That is most likely what is causing the problem. > > Are you using Postscript printers? PCL? Other? > > > > - cannot create a PDF with a document containing a TIFF (overlay > > background) > > Why not add transparency to the TIFF? That would > allow you to > use > it as an overlay. > > > Leonard > > -------------------------------------------------------------- > ------------- > Leonard Rosenthol > <mailto:[EMAIL PROTECTED]> > Chief Technical Officer <http://www.pdfsages.com> > PDF Sages, Inc. 215-938-7080 (voice) > 215-938-0880 (fax) > > > > -------------------------------------------------------------- > ----------- > This message is intended for the addressee only and may > contain confidential or privileged information. If you > are not the intended receiver, any disclosure, copying > to any person or any action taken or omitted to be taken > in reliance on this e-mail, is prohibited and may be un- > lawful. You must therefore delete this e-mail. > Internet communications may not be secure or error-free > and may contain viruses. They may be subject to possible > data corruption, accidental or on purpose. This e-mail is > not and should not be construed as an offer or the > solicitation of an offer to purchase or subscribe or sell > or redeem any investments. > -------------------------------------------------------------- > ----------- > > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT Products from > real users. > Discover which products truly live up to the hype. Start reading now. > http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click > _______________________________________________ > iText-questions mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/itext-questions > ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_ide95&alloc_id396&op=click _______________________________________________ iText-questions mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/itext-questions
