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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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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 --- - pdftocairo sets image background to black instead of white/transparent"
href="https://bugs.freedesktop.org/show_bug.cgi?id=73901">73901</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>poppler-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>pdftocairo sets image background to black instead of white/transparent
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>korobkin+lpad@gmail.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>cairo backend
</td>
</tr>
<tr>
<th>Product</th>
<td>poppler
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=92547" name="attach_92547" title="transparent.pdf">attachment 92547</a> <a href="attachment.cgi?id=92547&action=edit" title="transparent.pdf">[details]</a></span>
transparent.pdf
There is a semi-transparent image in the attached PDF "transparent.pdf".
When converted with pdftocairo 0.24.5 based on cairo 1.12.16 with all the
recent patches from master branch, pdftocairo -ps -level3 transparent.pdf
transparent-cairo.ps, we get unexpected black background on that image.
When converted with pdftops 0.24.5, pdftops -level3 transparent.pdf
transparent-ps.ps, background is rendered properly, white.
transparent.pdf, transparent-cairo.ps, and transparent-ps.ps are attached.</pre>
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</p>
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