RE: mismatch between pdf and png

XSL:FO acts like a template library similar to FreeMarker or Velocity substiuting in values for  attributes to FOP elements and then generating the PDF based on the parameters you supplied

so  blaming FOP for incorrect params  you supply in all probability wont solve this particular problem

if PDF is  generated from SVG then i would suggest concentrate on the SVG to PDF generation 

if after dissecting SVG to PDF generator you are  still calling No Joy for generating your PDF  then you can write your own converter

Martin Gainty 
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From: [email protected]
To: [email protected]
Subject: RE: mismatch between pdf and png
Date: Tue, 30 Apr 2013 19:12:57 +0000









I’ve done more research on this, (though I haven’t gotten a solid response from the list yet).  I’ve managed to upgrade to FOP 1.1 in order to nail down if it was a bug in the embedded version of FOP.
 
Here is what I mean.  The PDF and PNG were both generated from the SVG.  They don’t match.  The PNG matches what I see in Chrome.  The PDF does not.
 
https://docs.google.com/file/d/0B73ieqBa7GmsRlY0UjAzLWNqODA/edit?usp=sharing
https://docs.google.com/file/d/0B73ieqBa7GmscmFxMnpSQ2p3Z3c/edit?usp=sharing
https://docs.google.com/file/d/0B73ieqBa7GmsM3JlZC0wRTlCbHM/edit?usp=sharing
 
Is this a bug?  If it’s a bug, I’m happy to file…
--
Daniel
 
 


From: Rogers, Daniel


Sent: Monday, April 29, 2013 4:52 PM

To: '[email protected]'

Subject: mismatch between pdf and png


 
Hi,
 
I’m trying to produce a web-based renderer for SVG using batik 1.1.  I’d really like PDF output.  However when I render:
 
http://www.w3schools.com/svg/tryit.asp?filename=trysvg_path2
 
(after deleting the font=”sans-serif” attribute) to png, jpeg and pdf using batik-rasterizer.jar, PDF output is different and clearly NOT matching png, jpeg or browser output.  The blue curve touches the green line in all versions but PDF. 
 In PDF, the blue curve is below the green line.  Shouldn’t these be the same?
 
I thought it might be a bug in the version of FOP embedded in batik and tried replacing pdf-transcoder.jar, but it started dragging in a bunch of apache Avalon dependencies, and I didn’t dig further.
 
--
Daniel