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     59 <p class="text-center"><a href="compare.html#CompareImagesCommand">CompareImagesCommand</a></p>
     60 
     61 <h2><a href="http://www.imagemagick.org/api/MagickWand/compare_8c.html" id="CompareImagesCommand">CompareImagesCommand</a></h2>
     62 
     63 <p>CompareImagesCommand() compares two images and returns the difference between them as a distortion metric and as a new image visually annotating their differences.</p>
     64 
     65 <p>The format of the CompareImagesCommand method is:</p>
     66 
     67 <pre class="text">
     68 MagickBooleanType CompareImagesCommand(ImageInfo *image_info,int argc,
     69   char **argv,char **metadata,ExceptionInfo *exception)
     70 </pre>
     71 
     72 <p>A description of each parameter follows:</p>
     73 
     74 <dd>
     75 </dd>
     76 
     77 <dd> </dd>
     78 <dl class="dl-horizontal">
     79 <dt>image_info</dt>
     80 <dd>the image info. </dd>
     81 
     82 <dd> </dd>
     83 <dt>argc</dt>
     84 <dd>the number of elements in the argument vector. </dd>
     85 
     86 <dd> </dd>
     87 <dt>argv</dt>
     88 <dd>A text array containing the command line arguments. </dd>
     89 
     90 <dd> </dd>
     91 <dt>metadata</dt>
     92 <dd>any metadata is returned here. </dd>
     93 
     94 <dd> </dd>
     95 <dt>exception</dt>
     96 <dd>return any errors or warnings in this structure. </dd>
     97 
     98 <dd>  </dd>
     99 </dl>
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