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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - poppler doesn't cache heavy objects"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66938">66938</a>
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<th>Assignee</th>
<td>poppler-bugs@lists.freedesktop.org
</td>
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<th>Summary</th>
<td>poppler doesn't cache heavy objects
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>OS</th>
<td>Windows (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>pignatoff@mail.ru
</td>
</tr>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Component</th>
<td>general
</td>
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<th>Product</th>
<td>poppler
</td>
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<p>
<div>
<pre>When displaying huge pages they are usually rendered piece by piece using calls
to the page_renderer::render_page() with appropriately calculated resolution
and coordinates. When for example a pdf-page contains a huge jpeg 2000 imgage
it can take several dozens of seconds to render. It seems it because on every
render poppler restores a bitmap for this jpeg 2000 from scratch. As a result,
when the viewer which renders big pages piece by piece spends dozens of seconds
on every page scroll.</pre>
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</p>
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