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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="navigation-index">[ <a href="#SetImageProgressMonitor">SetImageProgressMonitor</a> | <a href="#SetImageInfoProgressMonitor">SetImageInfoProgressMonitor</a> ]</p>

<div style="margin: auto;">
  <h2><a name="SetImageProgressMonitor">SetImageProgressMonitor</a></h2>
</div>

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

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

<h4>image</h4>
<p>The image.</p>

<h4>progress_monitor</h4>
<p>Specifies a pointer to a method to monitor progress of an image operation.</p>

<h4>client_data</h4>
<p>Specifies a pointer to any client data.</p>

<div style="margin: auto;">
  <h2><a name="SetImageInfoProgressMonitor">SetImageInfoProgressMonitor</a></h2>
</div>

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

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

<h4>image_info</h4>
<p>The image info.</p>

<h4>progress_monitor</h4>
<p>Specifies a pointer to a method to monitor progress of an image operation.</p>

<h4>client_data</h4>
<p>Specifies a pointer to any client data.</p>

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