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<a class="el" href="namespaceKIO.html">KIO</a>::<a class="el" href="classKIO_1_1PreviewJob.html">PreviewJob</a></div>
<h1>KIO::PreviewJob Class Reference</h1><!-- doxytag: class="KIO::PreviewJob" --><!-- doxytag: inherits="KIO::Job" --><code>#include &lt;<a class="el" href="previewjob_8h-source.html">previewjob.h</a>&gt;</code>
<p>
<p>Inheritance diagram for KIO::PreviewJob:
<p><center><img src="classKIO_1_1PreviewJob.png" usemap="#KIO::PreviewJob_map" border="0" alt=""></center>
<map name="KIO::PreviewJob_map">
<area href="classKIO_1_1Job.html" alt="KIO::Job" shape="rect" coords="0,56,106,80">
<area doxygen="qt.tag:" href="qobject.html" alt="QObject" shape="rect" coords="0,0,106,24">
</map>
<a href="classKIO_1_1PreviewJob-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
<a class="el" href="namespaceKIO.html">KIO</a> <a class="el" href="classKIO_1_1Job.html">Job</a> to get a thumbnail picture. 
<p>
This class catches a preview (thumbnail) for files.
<p>

<p>
Definition at line <a class="el" href="previewjob_8h-source.html#l00037">37</a> of file <a class="el" href="previewjob_8h-source.html">previewjob.h</a>.<table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Signals</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#l0">gotPreview</a> (const <a class="el" href="classKFileItem.html">KFileItem</a> *item, const <a class="elRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> &amp;preview)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#l1">failed</a> (const <a class="el" href="classKFileItem.html">KFileItem</a> *item)</td></tr>

<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#a0">PreviewJob</a> (const <a class="elRef" doxygen="qt.tag:" href="qptrlist.html">KFileItemList</a> &amp;items, int width, int height, int iconSize, int iconAlpha, bool scale, bool save, const <a class="elRef" doxygen="qt.tag:" href="qstringlist.html">QStringList</a> *enabledPlugins, bool deleteItems=false)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a1"></a><!-- doxytag: member="KIO::PreviewJob::~PreviewJob" ref="a1" args="()" -->
virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#a1">~PreviewJob</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#a2">removeItem</a> (const <a class="el" href="classKFileItem.html">KFileItem</a> *item)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#a3">setIgnoreMaximumSize</a> (bool ignoreSize=true)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#a4">kill</a> (bool quietly=true)</td></tr>

<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="elRef" doxygen="qt.tag:" href="qstringlist.html">QStringList</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#e0">availablePlugins</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top">static <a class="elRef" doxygen="qt.tag:" href="qstringlist.html">QStringList</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#e1">supportedMimeTypes</a> ()</td></tr>

<tr><td colspan="2"><br><h2>Protected Slots</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#j0">slotResult</a> (<a class="el" href="classKIO_1_1Job.html">KIO::Job</a> *job)</td></tr>

<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b0"></a><!-- doxytag: member="KIO::PreviewJob::getOrCreateThumbnail" ref="b0" args="()" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#b0">getOrCreateThumbnail</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b1"></a><!-- doxytag: member="KIO::PreviewJob::statResultThumbnail" ref="b1" args="()" -->
bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#b1">statResultThumbnail</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b2"></a><!-- doxytag: member="KIO::PreviewJob::createThumbnail" ref="b2" args="(QString)" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#b2">createThumbnail</a> (<a class="elRef" doxygen="qt.tag:" href="qstring.html">QString</a>)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b3"></a><!-- doxytag: member="KIO::PreviewJob::virtual_hook" ref="b3" args="(int id, void *data)" -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classKIO_1_1PreviewJob.html#b3">virtual_hook</a> (int id, void *data)</td></tr>

</table>
<hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="a0"></a><!-- doxytag: member="KIO::PreviewJob::PreviewJob" ref="a0" args="(const KFileItemList &amp;items, int width, int height, int iconSize, int iconAlpha, bool scale, bool save, const QStringList *enabledPlugins, bool deleteItems=false)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top">PreviewJob::PreviewJob           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="elRef" doxygen="qt.tag:" href="qptrlist.html">KFileItemList</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>items</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>width</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>height</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>iconSize</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>iconAlpha</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>bool&nbsp;</td>
          <td class="mdname" nowrap> <em>scale</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>bool&nbsp;</td>
          <td class="mdname" nowrap> <em>save</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const <a class="elRef" doxygen="qt.tag:" href="qstringlist.html">QStringList</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>enabledPlugins</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>bool&nbsp;</td>
          <td class="mdname" nowrap> <em>deleteItems</em> = <code>false</code></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
        </tr>
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    </td>
  </tr>
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    <td>
      &nbsp;
    </td>
    <td>

<p>
Creates a new <a class="el" href="classKIO_1_1PreviewJob.html">PreviewJob</a>. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>items</em>&nbsp;</td><td>a list of files to create previews for </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>width</em>&nbsp;</td><td>the desired width </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>height</em>&nbsp;</td><td>the desired height, 0 to use the <code>width</code> </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>iconSize</em>&nbsp;</td><td>the size of the mimetype icon to overlay over the preview or zero to not overlay an icon. This has no effect if the preview plugin that will be used doesn't use icon overlays. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>iconAlpha</em>&nbsp;</td><td>transparency to use for the icon overlay </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>scale</em>&nbsp;</td><td>if the image is to be scaled to the requested size or returned in its original size </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>save</em>&nbsp;</td><td>if the image should be cached for later use </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>enabledPlugins</em>&nbsp;</td><td>if non-zero, this points to a list containing the names of the plugins that may be used. </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>deleteItems</em>&nbsp;</td><td>true to delete the items when done</td></tr>
  </table>
</dl>

<p>
Definition at line <a class="el" href="previewjob_8cpp-source.html#l00118">118</a> of file <a class="el" href="previewjob_8cpp-source.html">previewjob.cpp</a>.    </td>
  </tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="e0"></a><!-- doxytag: member="KIO::PreviewJob::availablePlugins" ref="e0" args="()" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
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          <td class="md" nowrap valign="top"><a class="elRef" doxygen="qt.tag:" href="qstringlist.html">QStringList</a> PreviewJob::availablePlugins           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [static]</code></td>
        </tr>
      </table>
    </td>
  </tr>
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<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Returns a list of all available preview plugins. 
<p>
The list contains the basenames of the plugins' .desktop files (no path, no .desktop). <dl compact><dt><b>Returns:</b></dt><dd>the list of plugins</dd></dl>

<p>
Definition at line <a class="el" href="previewjob_8cpp-source.html#l00544">544</a> of file <a class="el" href="previewjob_8cpp-source.html">previewjob.cpp</a>.    </td>
  </tr>
</table>
<a class="anchor" name="l1"></a><!-- doxytag: member="KIO::PreviewJob::failed" ref="l1" args="(const KFileItem *item)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
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          <td class="md" nowrap valign="top">void KIO::PreviewJob::failed           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classKFileItem.html">KFileItem</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>item</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [signal]</code></td>
        </tr>
      </table>
    </td>
  </tr>
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<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Emitted when a thumbnail for <code>item</code> could not be created, either because a <a class="el" href="classThumbCreator.html">ThumbCreator</a> for its MIME type does not exist, or because something went wrong. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>item</em>&nbsp;</td><td>the file that failed</td></tr>
  </table>
</dl>
    </td>
  </tr>
</table>
<a class="anchor" name="l0"></a><!-- doxytag: member="KIO::PreviewJob::gotPreview" ref="l0" args="(const KFileItem *item, const QPixmap &amp;preview)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top">void KIO::PreviewJob::gotPreview           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classKFileItem.html">KFileItem</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>item</em>, </td>
        </tr>
        <tr>
          <td class="md" nowrap align="right"></td>
          <td class="md"></td>
          <td class="md" nowrap>const <a class="elRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>preview</em></td>
        </tr>
        <tr>
          <td class="md"></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [signal]</code></td>
        </tr>
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    </td>
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      &nbsp;
    </td>
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<p>
Emitted when a thumbnail picture for <code>item</code> has been successfully retrieved. 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>item</em>&nbsp;</td><td>the file of the preview </td></tr>
    <tr><td valign="top"></td><td valign="top"><em>preview</em>&nbsp;</td><td>the preview image</td></tr>
  </table>
</dl>
    </td>
  </tr>
</table>
<a class="anchor" name="a4"></a><!-- doxytag: member="KIO::PreviewJob::kill" ref="a4" args="(bool quietly=true)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top">void PreviewJob::kill           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">bool&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>quietly</em> = <code>true</code>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [virtual]</code></td>
        </tr>
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    </td>
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      &nbsp;
    </td>
    <td>

<p>
Reimplemented for internal reasons. 
<p>

<p>
Reimplemented from <a class="el" href="classKIO_1_1Job.html#a1">KIO::Job</a>.
<p>
Definition at line <a class="el" href="previewjob_8cpp-source.html#l00563">563</a> of file <a class="el" href="previewjob_8cpp-source.html">previewjob.cpp</a>.    </td>
  </tr>
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<a class="anchor" name="a2"></a><!-- doxytag: member="KIO::PreviewJob::removeItem" ref="a2" args="(const KFileItem *item)" --><p>
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          <td class="md" nowrap valign="top">void PreviewJob::removeItem           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classKFileItem.html">KFileItem</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>item</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
        </tr>
      </table>
    </td>
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    <td>
      &nbsp;
    </td>
    <td>

<p>
Removes an item from preview processing. 
<p>
Use this if you passed an item to filePreview and want to delete it now.<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>item</em>&nbsp;</td><td>the item that should be removed from the preview queue</td></tr>
  </table>
</dl>

<p>
Definition at line <a class="el" href="previewjob_8cpp-source.html#l00256">256</a> of file <a class="el" href="previewjob_8cpp-source.html">previewjob.cpp</a>.    </td>
  </tr>
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<a class="anchor" name="a3"></a><!-- doxytag: member="KIO::PreviewJob::setIgnoreMaximumSize" ref="a3" args="(bool ignoreSize=true)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top">void PreviewJob::setIgnoreMaximumSize           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">bool&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>ignoreSize</em> = <code>true</code>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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      &nbsp;
    </td>
    <td>

<p>
If <code>ignoreSize</code> is true, then the preview is always generated regardless of the settings. 
<p>
<dl compact><dt><b>Since:</b></dt><dd>KDE 3.4</dd></dl>

<p>
Definition at line <a class="el" href="previewjob_8cpp-source.html#l00273">273</a> of file <a class="el" href="previewjob_8cpp-source.html">previewjob.cpp</a>.    </td>
  </tr>
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<a class="anchor" name="j0"></a><!-- doxytag: member="KIO::PreviewJob::slotResult" ref="j0" args="(KIO::Job *job)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top">void PreviewJob::slotResult           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classKIO_1_1Job.html">KIO::Job</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>job</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [protected, virtual, slot]</code></td>
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<p>
Called whenever a subjob finishes. 
<p>
Default implementation checks for errors and propagates to parent job, then calls removeSubjob. Override if you don't want subjobs errors to be propagated. <dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>job</em>&nbsp;</td><td>the subjob </td></tr>
  </table>
</dl>
<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="classKIO_1_1Job.html#l0">result()</a></dd></dl>

<p>
Reimplemented from <a class="el" href="classKIO_1_1Job.html#j0">KIO::Job</a>.
<p>
Definition at line <a class="el" href="previewjob_8cpp-source.html#l00308">308</a> of file <a class="el" href="previewjob_8cpp-source.html">previewjob.cpp</a>.    </td>
  </tr>
</table>
<a class="anchor" name="e1"></a><!-- doxytag: member="KIO::PreviewJob::supportedMimeTypes" ref="e1" args="()" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"><a class="elRef" doxygen="qt.tag:" href="qstringlist.html">QStringList</a> PreviewJob::supportedMimeTypes           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [static]</code></td>
        </tr>
      </table>
    </td>
  </tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Returns a list of all supported MIME types. 
<p>
The list can contain entries like text/ * (without the space). <dl compact><dt><b>Returns:</b></dt><dd>the list of mime types</dd></dl>

<p>
Definition at line <a class="el" href="previewjob_8cpp-source.html#l00554">554</a> of file <a class="el" href="previewjob_8cpp-source.html">previewjob.cpp</a>.    </td>
  </tr>
</table>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="previewjob_8h-source.html">previewjob.h</a><li><a class="el" href="previewjob_8cpp-source.html">previewjob.cpp</a></ul>
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