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      <base href="https://bugs.documentfoundation.org/">
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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 - EDITING: Hovering through different font with preview enabled is slowish and CPU hogging"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=108611">108611</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>EDITING: Hovering through different font with preview enabled is slowish and CPU hogging
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>6.0.0.0.alpha0+ Master
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>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>Calc
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>telesto@surfxs.nl
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Description:
Hovering through different font with preview enabled is slowish and CPU hogging



Steps to Reproduce:
1. Open attached file
2. Select A1 A234
3. Hoover through the different font with font preview enabled
4. Monitor CPU consumption and snappiness

Actual Results:  
In 5.2.4.2 it feels snappy and fast (CPU usage around 10%)
With 6.0.0.0 preview is lagging a bit and CPU usage is around 20%)

Expected Results:
Behavior like 5.2.4.2


Reproducible: Always

User Profile Reset: No

Additional Info:
Found in
Version: 6.0.0.0.alpha0+
Build ID: cbf371e07fd5dea1ea08a1f299360d1273961ebd
CPU threads: 4; OS: Windows 6.19; UI render: default; 
TinderBox: Win-x86@42, Branch:master, Time: 2017-06-14_23:13:57
Locale: nl-NL (nl_NL); Calc: CL

but not in
Versie: 5.2.4.2 
Build ID: 3d5603e1122f0f102b62521720ab13a38a4e0eb0
CPU Threads: 4; Versie besturingssysteem:Windows 6.2; UI Render: standaard; 
Locale: nl-NL (nl_NL); Calc: CL

It's keeps trying a non available file:
Z:\LibreOfficeDev 6\program\OpenOffice\char_en.brk      
Z:\LibreOfficeDev 6\program\OpenOffice\char.brk 


User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:45.0) Gecko/20100101
Firefox/45.0</pre>
        </div>
      </p>


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