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Bug#572995: marked as forwarded (white lines at bottom/right of display

Subject: Bug#572995: marked as forwarded white lines at bottom/right of display
From: Debian Bug Tracking System
Date: Mon, 08 Mar 2010 16:45:13 +0000
Your message dated Mon, 8 Mar 2010 11:40:06 -0500
with message-id <[email protected]>
has caused the   report #572995,
regarding white lines at bottom/right of display
to be marked as having been forwarded to the upstream software
author(s) Martin Fiedler <[email protected]>

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572995: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=572995
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--- Begin Message ---
Subject: Re: Bug#572995: white lines at bottom/right of display
From: Yaroslav Halchenko
Date: Mon, 8 Mar 2010 11:40:06 -0500

On Mon, 08 Mar 2010, Jim Paris wrote:

> Package: impressive
> Version: 0.10.2r-5
> Severity: normal

> When passing a resolution with "-r" to the pdftoppm program, a white
> line may appear at the bottom or right side of the screen, if the
> given resolution doesn't result in an image with an integer number of
> pixels.

> Impressive uses pdftoppm in this way, and so many PDFs show this
> artifact, depending on the resolution.  For example, the Beamer
> document
>   \documentclass{beamer}
>   \beamersetaveragebackground{black}
>   \setbeamertemplate{navigation symbols}{}
>   \begin{document}
>   \begin{frame}
>   \end{frame}
>   \end{document}
> should be all black, but shows a white line at the bottom.

> This may be a bug in pdftoppm and has been reported upstream [1], but it
> also seems that it would make more sense for Impressive to simply pass
> the target width and height to pdftoppm, rather than trying to compute
> an approximate "resolution".  Would there be interest in such a patch?

> -jim

> [1] https://bugs.freedesktop.org/show_bug.cgi?id=26944

> -- System Information:
> Debian Release: squeeze/sid
>   APT prefers testing
>   APT policy: (250, 'testing'), (200, 'stable'), (50, 'unstable'), (1, 
> 'experimental')
> Architecture: amd64 (x86_64)

> Kernel: Linux 2.6.33-2-amd64 (SMP w/2 CPU cores)
> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/bash

> Versions of packages impressive depends on:
> ii  perl                 5.10.1-11           Larry Wall's Practical 
> Extraction 
> ii  poppler-utils        0.12.2-2.1          PDF utilitites (based on 
> libpopple
> ii  python               2.5.4-9             An interactive high-level 
> object-o
> ii  python-imaging       1.1.7-1+b1          Python Imaging Library
> ii  python-opengl        3.0.1~b2-1          Python bindings to OpenGL
> ii  python-pygame        1.8.1release-1.1+b1 SDL bindings for games 
> development
> ii  python-support             automated rebuilding support for 
> P
> ii  xpdf-reader          3.02-1.4+lenny1     Portable Document Format (PDF) 
> sui

> Versions of packages impressive recommends:
> ii  ghostscript-x                8.71~dfsg-1 The GPL Ghostscript 
> PostScript/PDF
> ii  pdftk                        1.41-3      useful tool for manipulating PDF 
> d

> Versions of packages impressive suggests:
> ii  latex-beamer                  3.07-2     LaTeX class to produce 
> presentatio

> -- no debconf information

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