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<base href="https://bugs.freedesktop.org/" />
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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 --- - [PATCH] GIMP's color picker of color dialog not work, returns black"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69617">69617</a>
</td>
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<th>Assignee</th>
<td>cairo-bugs@cairographics.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[PATCH] GIMP's color picker of color dialog not work, returns black
</td>
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<th>QA Contact</th>
<td>cairo-bugs@cairographics.org
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Windows (All)
</td>
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<tr>
<th>Reporter</th>
<td>sixtysix@inwind.it
</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>win32 backend
</td>
</tr>
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<th>Product</th>
<td>cairo
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=86200" name="attach_86200" title="quick hack">attachment 86200</a> <a href="attachment.cgi?id=86200&action=edit" title="quick hack">[details]</a></span>
quick hack
I've investigated GIMP's <a href="https://bugzilla.gnome.org/show_bug.cgi?id=676708">https://bugzilla.gnome.org/show_bug.cgi?id=676708</a>,
on Windows XP, and the cause is that 'GetClipBox', on XP, for desktop's hdc
returns NULLREGION and an empty rect. That produces an empty win32 surface
which then, used as a source, paints nothing (do_nothing returns true).
With the attached patch GIMP's color dialog color picker returns the color
under the pointer also on XP.</pre>
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