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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - Impress crash or frezzes the desktop when use zoom"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=108552">108552</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Impress crash or frezzes the desktop  when use zoom
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>5.3.3.2 release
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>UNCONFIRMED
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Impress
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>libreoffice-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>f.redshift72@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Description:
On a slide where there is a rectangular figures, when you zoom in a lot,
Impress crashes or the desktop (Unity) slows down or stops for a whole few
minutes. It also happens if you increase and decrease a few times zoom
repeatedly

Steps to Reproduce:
1.create slide with a few rectangular
2.increase a lot the zoom and decrease a lot 
3.may repeat point 2. 


Actual Results:  
4.Impress crash 
5.If Impress dont crash destktop slows down or stops to work for few minutes 

Expected Results:
Simply zooming the slide increases and decreases


Reproducible: Always

User Profile Reset: No

Additional Info:
I test in 
-OS :  ubuntu 16.04 with Unity 
-kernel : 4.8.0-54-generic #57~16.04.1-Ubuntu SMP Wed May 24 16:22:28 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux

-CPU : Intel® Core™ i7-6700 CPU @ 3.40GHz × 8 
-GPU : Intel® HD Graphics 530 (Skylake GT2) 


User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like
Gecko) Chrome/59.0.3071.86 Safari/537.36</pre>
        </div>
      </p>


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