SimpleImage::load PHP Method

    function load($filename)
    {
        // Require GD library
        if (!extension_loaded('gd')) {
            throw new Exception('Required extension GD is not loaded.');
        }
        $this->filename = $filename;
        return $this->get_meta_data();
    }

 function imageDualResize($filename, $cleanFilename, $wtarget, $htarget)
 {
     if (!file_exists($cleanFilename)) {
         $dims = getimagesize($filename);
         $width = $dims[0];
         $height = $dims[1];
         while ($width > $wtarget || $height > $htarget) {
             if ($width > $wtarget) {
                 $percentage = $wtarget / $width;
             }
             if ($height > $htarget) {
                 $percentage = $htarget / $height;
             }
             /*if($width > $height)
             		{
             			$percentage = ($target / $width);
             		}
             		else
             		{
             			$percentage = ($target / $height);
             		}*/
             //gets the new value and applies the percentage, then rounds the value
             $width = round($width * $percentage);
             $height = round($height * $percentage);
         }
         $image = new SimpleImage();
         $image->load($filename);
         $image->resize($width, $height);
         $image->save($cleanFilename);
         $image = null;
     }
     //returns the new sizes in html image tag format...this is so you can plug this function inside an image tag and just get the
     return "src=\"{$baseurl}/{$cleanFilename}\"";
 }