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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
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<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Cairo 1.12+ very slow on Windows"
href="https://bugs.freedesktop.org/show_bug.cgi?id=71833">71833</a>
</td>
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<th>Assignee</th>
<td>cairo-bugs@cairographics.org
</td>
</tr>
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<th>Summary</th>
<td>Cairo 1.12+ very slow on Windows
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>cairo-bugs@cairographics.org
</td>
</tr>
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<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
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<th>Reporter</th>
<td>nicoduf@yahoo.fr
</td>
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<th>Hardware</th>
<td>x86 (IA32)
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>1.12.0
</td>
</tr>
<tr>
<th>Component</th>
<td>win32 backend
</td>
</tr>
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<th>Product</th>
<td>cairo
</td>
</tr></table>
<p>
<div>
<pre>I'm currently updating some libraries for Inkscape on win32, and notice a
serious UI slowdown when updating the Cairo libs. Everything works as expected
with Cairo-1.11.2 (the dll we provide with the latest stable Inkscape version,
0.48.4), but the Inkscape UI becomes very slow when drawing or moving objects
on canvas with a more recent Cairo version (tested with 1.12.0, 1.12.8,
1.12.14, 1.12.16 and yesterdays git version). I've also updated Pixman to
0.32.4, but noticed no regression with the Pixman update as long as I don't
update Cairo too.
I've tried with different compilers (TDM-GCC-4.5, TDM-GCC-4.6 and
TDM-GCC-4.8.1) with no difference.
Other operating systems are not affected (tested on Debian stable with
Cairo-1.12.2 and Pixman-0.26, but other Inkscape users confirmed it's ok with
recent Ubuntu and OS-X versions).</pre>
</div>
</p>
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