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      <base href="https://bugs.freedesktop.org/" />
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - Artifact in blur rendering with Antialias enabled"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=82391">82391</a>
          </td>
        </tr>

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

        <tr>
          <th>Summary</th>
          <td>Artifact in blur rendering with Antialias enabled
          </td>
        </tr>

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

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>box0@gmx.us
          </td>
        </tr>

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

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>general
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>poppler
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=104347" name="attach_104347" title="rendering artifacts with antialias enabled">attachment 104347</a> <a href="attachment.cgi?id=104347&action=edit" title="rendering artifacts with antialias enabled">[details]</a></span>
rendering artifacts with antialias enabled

With Antialias enabled some PDFs show rendering artifacts. Please see the
attached pictures for a comparison (the picture are from okular).

The artifacts go away if the option is disabled (however that means poor
general rendering quality). 

Readers not based on poppler are not affected (e.g. mupdf).

The problem is in the slight darker outline that can be seen at the end of the
blurred region. It should be easy to spot the problem if you open the test pdf
in okular first and then with mupdf</pre>
        </div>
      </p>
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