[Poppler-bugs] [Bug 26243] New: PDF renders incorrectly

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=26243

           Summary: PDF renders incorrectly
           Product: poppler
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: splash backend
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: harry at ecmp.co.uk


Created an attachment (id=32823)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=32823)
Problem PDF

I've been trying to rasterize this document, however in Poppler I've ended up
with rather strange output.

XPDF renders it .. nearly correctly, I'm trying to figure out if it's a bug
regression or if it's something new from Poppler.

And as always Photoshop seems to render flawlessly.

In both cases i'm using the Splash backend and the pdftopnm application

Poppler (from custom app) output:
http://midnight-labs.org/cal/wd164/page_0076_large.png
Poppler pdftoppm output:
http://midnight-labs.org/cal/wd164/page_0076_large.png-1.png
XPDF 3.02 pdftoppm output: http://midnight-labs.org/cal/wd164/-000001.jpg
Photoshop CS3 'reference' output: http://i.imgur.com/iu8MW.jpg (ignore the
colour space differences)

I'm using poppler from git, last revision in my clone is: 
commit 6c61a457e9a8ec10945bc1e0700c8e4d121faa58
Author: Albert Astals Cid <aacid at kde.org>
Date:   Wed Jan 20 21:59:05 2010 +0000

with pdftoppm I was using `-aa yes -aaVector no -freetype yes`, though there's
little difference with different options.

with the custom application I'm rendering at 2-3x original size without vector
antialiasing but *with* freetype antialiasing, this gets rid of the weird issue
with small white lines around boxes and after downsampling it looks nearly as
good as the vector-antialiased version.

Many regards,
 - Harry Roberts


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