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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Fix read_png with libpng 1.6"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63487">63487</a>
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<th>Assignee</th>
<td>cworth@cworth.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>Fix read_png with libpng 1.6
</td>
</tr>
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<th>QA Contact</th>
<td>cairo-bugs@cairographics.org
</td>
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<th>Severity</th>
<td>major
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Reporter</th>
<td>krejzi@email.com
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>1.12.14
</td>
</tr>
<tr>
<th>Component</th>
<td>png functions
</td>
</tr>
<tr>
<th>Product</th>
<td>cairo
</td>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=77910" name="attach_77910" title="Fix read_png with libpng 1.6">attachment 77910</a> <a href="attachment.cgi?id=77910&action=edit" title="Fix read_png with libpng 1.6">[details]</a></span>
Fix read_png with libpng 1.6
With libpng 1.6, png_read_update_info() needs to be called after
transformations.
<a href="http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=blob;f=libpng-manual.txt;hb=HEAD#l4983">http://libpng.git.sourceforge.net/git/gitweb.cgi?p=libpng/libpng;a=blob;f=libpng-manual.txt;hb=HEAD#l4983</a>
The attached patch fixes it on my side.</pre>
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