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    <body><span class="vcard"><a class="email" href="mailto:peter.hutterer@who-t.net" title="Peter Hutterer <peter.hutterer@who-t.net>"> <span class="fn">Peter Hutterer</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Cannot rotate input touchscreen with Xorg + libinput"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90007">bug 90007</a>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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           <td style="text-align:right;">CC</td>
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           <td>peter.hutterer@who-t.net
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Cannot rotate input touchscreen with Xorg + libinput"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90007#c1">Comment # 1</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Cannot rotate input touchscreen with Xorg + libinput"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=90007">bug 90007</a>
              from <span class="vcard"><a class="email" href="mailto:peter.hutterer@who-t.net" title="Peter Hutterer <peter.hutterer@who-t.net>"> <span class="fn">Peter Hutterer</span></a>
</span></b>
        <pre>the coordinate transformation matrix is what you want, but when you rotate you
also need to take the offset after rotation into account.

<a href="https://wiki.ubuntu.com/X/InputCoordinateTransformation">https://wiki.ubuntu.com/X/InputCoordinateTransformation</a> is the first link I
found here.</pre>
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