Debian Bug report logs - #590857
fig export has wrong threshold for linewidth mapping

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Heine Larsen <heine@skjulhoj.dk>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: fig export has wrong threshold for linewidth mapping

Date: Thu, 29 Jul 2010 19:49:35 +0200

[Message part 1 (text/plain, inline)]

Package: dia
Version: 0.97.1-6

When exporting to fig format, small linewidths from 2-10 (in XFig 1/80 inch 
units) can not be generated and all gets mapped to width 1.

This is handled in plug-ins/xfig/xfig-export.c by the following:
...
   if (renderer->linewidth <= 0.3175) width = 1;
   else width = (int)((renderer->linewidth / 2.54) * 80.0);
...

Inserting the threshold-value in the scaling expression gives:
  0.3175/2.54*80 = 10

Changing the threshold to 0.03175 makes it possible to generate fig-files with
linewidths between 1 and 10.
See attached patch.

lines.dia shows some lines of different widths and lines.fig shows the result
of exporting to fig after applying the patch to dia.

--
Heine Larsen

[dia-linewidth-threshold.diff (text/plain, attachment)]

[lines.dia (application/x-dia-diagram, attachment)]

[lines.fig (application/x-xfig, attachment)]

Message #20 received at 590857-close@bugs.debian.org (full text, mbox, reply):

From: Roland Stigge <stigge@antcom.de>

To: 590857-close@bugs.debian.org

Subject: Bug#590857: fixed in dia 0.97.1-7

Date: Sat, 31 Jul 2010 20:47:35 +0000

Source: dia
Source-Version: 0.97.1-7

We believe that the bug you reported is fixed in the latest version of
dia, which is due to be installed in the Debian FTP archive:

dia-common_0.97.1-7_all.deb
  to main/d/dia/dia-common_0.97.1-7_all.deb
dia-gnome_0.97.1-7_i386.deb
  to main/d/dia/dia-gnome_0.97.1-7_i386.deb
dia-libs_0.97.1-7_i386.deb
  to main/d/dia/dia-libs_0.97.1-7_i386.deb
dia_0.97.1-7.debian.tar.gz
  to main/d/dia/dia_0.97.1-7.debian.tar.gz
dia_0.97.1-7.dsc
  to main/d/dia/dia_0.97.1-7.dsc
dia_0.97.1-7_i386.deb
  to main/d/dia/dia_0.97.1-7_i386.deb



A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 590857@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Roland Stigge <stigge@antcom.de> (supplier of updated dia package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Format: 1.8
Date: Sat, 31 Jul 2010 19:22:35 +0200
Source: dia
Binary: dia-common dia-libs dia dia-gnome
Architecture: source all i386
Version: 0.97.1-7
Distribution: unstable
Urgency: low
Maintainer: Debian Dia Team <pkg-dia-team@lists.alioth.debian.org>
Changed-By: Roland Stigge <stigge@antcom.de>
Description: 
 dia        - Diagram editor
 dia-common - Diagram editor (common files)
 dia-gnome  - Diagram editor (GNOME version)
 dia-libs   - Diagram editor (library files)
Closes: 590857
Changes: 
 dia (0.97.1-7) unstable; urgency=low
 .
   * Added patch from Heine Larsen <heine@skjulhoj.dk> to fix linewidth
     threshold for fig export (Closes: #590857)
   * debian/control: Standards-Version: 3.9.1
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