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    <title>ImageMagick: MagickCore, C API for ImageMagick: Monitor the Progress of an Image Operation</title>
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<p class="text-center"><a href="monitor.html#SetImageProgressMonitor">SetImageProgressMonitor</a> &#8226; <a href="monitor.html#SetImageInfoProgressMonitor">SetImageInfoProgressMonitor</a></p>

<h2><a href="http://www.imagemagick.org/api/MagickCore/monitor_8c.html" id="SetImageProgressMonitor">SetImageProgressMonitor</a></h2>

<p>SetImageProgressMonitor() sets the image progress monitor to the specified method and returns the previous progress monitor if any.  The progress monitor method looks like this:</p>

<pre class="text">
    MagickBooleanType MagickProgressMonitor(const char *text,
const MagickOffsetType offset,const MagickSizeType extent,
void *client_data)
</pre>

<p>If the progress monitor returns MagickFalse, the current operation is interrupted.</p>

<p>The format of the SetImageProgressMonitor method is:</p>

<pre class="text">
MagickProgressMonitor SetImageProgressMonitor(Image *image,
  const MagickProgressMonitor progress_monitor,void *client_data)
</pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image</dt>
<dd>the image. </dd>

<dd> </dd>
<dt>progress_monitor</dt>
<dd>Specifies a pointer to a method to monitor progress of an image operation. </dd>

<dd> </dd>
<dt>client_data</dt>
<dd>Specifies a pointer to any client data. </dd>

<dd>  </dd>
</dl>
<h2><a href="http://www.imagemagick.org/api/MagickCore/monitor_8c.html" id="SetImageInfoProgressMonitor">SetImageInfoProgressMonitor</a></h2>

<p>SetImageInfoProgressMonitor() sets the image_info progress monitor to the specified method and returns the previous progress monitor if any.  The progress monitor method looks like this:</p>

<pre class="text">
    MagickBooleanType MagickProgressMonitor(const char *text,
const MagickOffsetType offset,const MagickSizeType extent,
void *client_data)
</pre>

<p>If the progress monitor returns MagickFalse, the current operation is interrupted.</p>

<p>The format of the SetImageInfoProgressMonitor method is:</p>

<pre class="text">
MagickProgressMonitor SetImageInfoProgressMonitor(ImageInfo *image_info,
  const MagickProgressMonitor progress_monitor,void *client_data)
</pre>

<p>A description of each parameter follows:</p>

<dd>
</dd>

<dd> </dd>
<dl class="dl-horizontal">
<dt>image_info</dt>
<dd>the image info. </dd>

<dd> </dd>
<dt>progress_monitor</dt>
<dd>Specifies a pointer to a method to monitor progress of an image operation. </dd>

<dd> </dd>
<dt>client_data</dt>
<dd>Specifies a pointer to any client data. </dd>

<dd>  </dd>
</dl>
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