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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 - Slow scrolling through preview pages with large complex file"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=133344">133344</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Slow scrolling through preview pages with large complex file
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>4.0.0.3 release
          </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>Draw
          </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:
Slow scrolling through preview pages with large complex file

Steps to Reproduce:
1. Open <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=161226" name="attach_161226" title="Example file bit smaller">attachment 161226</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=161226&action=edit" title="Example file bit smaller">[details]</a></span>
2. Increase the preview size of the page
3. Scroll down in the preview panel

Actual Results:
Have to wait for every image being generated

Expected Results:
In LibreOffice 3.5.7.2 you can simply scroll. the preview is little high
quality.. but speed is great


Reproducible: Always


User Profile Reset: No



Additional Info:
Found in
Version: 7.0.0.0.alpha1+ (x64)
Build ID: b587de60d4e6aa96238766272d94f1499b22f696
CPU threads: 4; OS: Windows 6.3 Build 9600; UI render: Skia/Raster; VCL: win; 
Locale: nl-NL (nl_NL); UI: en-US
Calc: CL

and in
4.0

but not in
LibreOffice 3.5.7.2 
Build ID: 3215f89-f603614-ab984f2-7348103-1225a5b</pre>
        </div>
      </p>


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