Yes, I was aware and do make use of that functionality. I was trying to
shrink the individual PDF as much as possible. I'm also struggling with
image formats and their affect on file size. I'm adding two images: a
logo and an advertisement.
The logo is a 1MB tif file and the ad is an 800KB tif. If I eliminate
the logo and just add the ad.tif the PDF ends up about 200KB. If I
convert ad.tif to ad.png (which shrinks the ad to 60KB) the PDF now
becomes 250KB. My guess was the TIF is uncompressed and the PDF
compression gives better results than trying to compress an already
compressed PNG file.
But then I added my logo.tif the PDF exploded to 990KB. If I convert
logo.tif to logo.png (which shrinks the logo to 20KB), the PDF ends up
210KB.
So sometimes the TIF format gives better results and other times not so
much. Obviously it has something to do with the specifics of the
image....
jason
From: 1T3XT BVBA [mailto:i...@1t3xt.info]
Sent: Thursday, March 17, 2011 12:02 PM
To: itext-questions@lists.sourceforge.net
Subject: Re: [iText-questions] same image, two absolute positions
Op 17/03/2011 16:54, Jason Berk schreef:
I'll have to test, but I think I figured it out...I added my logo to the
doc at location A. Then I close and stamp a "page x of y" and a logo in
the header at location B. Same logo, two writers....that's probably my
issue.
Note that PdfSmartCopy can detect redundant streams.
So if you concatenate documents somewhere in your process,
using PdfSmartCopy could significantly reduce the file size.
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