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From Matthias Reischenbacher <matthias8...@gmx.at>
Subject Re: PNG vs JPG in performance
Date Fri, 13 Aug 2010 12:37:44 GMT
Hi Adam,

I think the cause of the 30sec delay is that PNGs aren't embedded 
natively into the PDF and they must be transcoded first.
It would be really nice, if the FOP-Team could fix this issue, since 
this problem also occurs when using PNGs inside SVGs and converting PNGs 
to JPEGs isn't so easy in this case.


On 13.08.2010 08:41, Adam Kovacs wrote:
> Hi there!
> Im currently having a strange effect. I use PNG images in my XSL to
> create PDFs.
> I have real performance problems (the XSL is quite complex and looks
> fancy with many images)
> If I use PNGs it takes 30s to create a PDF.
> If I use JPGs it takes only 2,5s to create the same PDF (JPGs created
> from the PNGs)
> Im creating the PDFs over the FOP_IF and with concatenation of more
> FOP_IF files.
> Can anybody explain this to me? I would need to use PNGs as the printer
> likes them more.
> Is there any other format which is even more faster? (Giff or anything
> else?)
> Thanks in advance!!!
> *Adam *
> *Using FOP 1.0*
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