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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 href="http://www.imagemagick.org/api/MagickCore/monitor
_8c.html" target="source" 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></ol>
<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></ol>
<h5>image</h5>
<ol><p>the image.</p></ol>
<h5>progress_monitor</h5>
<ol><p>Specifies a pointer to a method to monitor progress of an image operation.</p></ol>
<h5>client_data</h5>
<ol><p>Specifies a pointer to any client data.</p></ol>
<div style="margin: auto;">
<h2><a href="http://www.imagemagick.org/api/MagickCore/monitor
_8c.html" target="source" 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></ol>
<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></ol>
<h5>image_info</h5>
<ol><p>the image info.</p></ol>
<h5>progress_monitor</h5>
<ol><p>Specifies a pointer to a method to monitor progress of an image operation.</p></ol>
<h5>client_data</h5>
<ol><p>Specifies a pointer to any client data.</p></ol>
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