<?PHP

class BSResizeImage
{
	var $webappcfg;
	function BSResizeImage()
	{
		global $webappcfg;
		$this->webappcfg = $webappcfg;
	}

	function resizeimage($_request, $_response)
	{
		// Required Request parameter
		// $_request['towidth'] = ??? px
		// $_request['toheight'] = ??? px
		// $_request['constraint'] = true / false

		
		if (isset($_request['imglist']))
		{
			for ($i=0; $i<count($_request['imglist']); $i++)
			{
				// $_request['imglist'] -> 
				//	['filename'], ['contenttype']
				// Calculate new size

				$timage = $_request['imglist'][$i];

				if (!isset($timage['contenttype'])
					|| !isset($timage['filename']))
				{
					continue;
				}

				$tfiledirdb = $timage['filedirdb'];
				$tobj = $tfiledirdb->getobj();


				if (!is_dir($this->webappcfg['filestorage'] . 
						"/".$this->webappcfg['thumbnail']))
					mkdir($this->webappcfg['filestorage'] . 
								"/".$this->webappcfg['thumbnail']);

				if (!is_dir($this->webappcfg['filestorage'] . 
					"/".$this->webappcfg['thumbnail'] . "/" .$tfiledirdb->getownerid()))
					mkdir($this->webappcfg['filestorage'] . 
					"/".$this->webappcfg['thumbnail'] . "/" .$tfiledirdb->getownerid());
	
				list($img_type, $img_ext) = explode("/",
					$timage['contenttype']);

				if (!is_file($this->webappcfg['filestorage'] . 
						"/".$this->webappcfg['thumbnail']."/".
						$tobj->getlocation()))
				{

					list($orgwidth, $orgheight) = getimagesize($timage['filename']);
					if ($_request['constraint']==true)
					{
						if ($_request['towidth']/$orgwidth*$orgheight<$_request['toheight'])
						{
							$newwidth = $_request['towidth'];
							$newheight = $_request['towidth']/$orgwidth*$orgheight;
						}
						else
						{
							$newheight = $_request['toheight'];
							$newwidth = $_request['toheight']/$orgheight*$orgwidth;
						}
					}
					else
					{
						$newwidth = $_request['towidth'];
						$newheight = $_request['toheight'];
					}


					switch ($img_ext)
					{
						case 'gif':
						case 'jpeg':
						case 'jpg':
						case 'pjpeg':
						case 'png':
						{
							$command = $this->webappcfg['imagemagickpath'].
								"/convert -sample ".$newwidth."x".$newheight." ".
								$this->webappcfg['filestorage'] . "/".
								$tobj->getlocation() . " " .
								$this->webappcfg['filestorage'] . "/".
								$this->webappcfg['thumbnail'] . "/" .
								$tobj->getlocation();

							exec($command);
							break;

						}
						default:
						{
							$_response['result'][$i] = false;
							$_response['error'][$i] = "INVALIDIMAGETYPE";

							return $_response;
							break;
						}
					}

				}
				// save to $_response['resizedimglist']


				$_response['resizedimglist'][$i]['filepath'] = $this->webappcfg['filestorage'] . 
						"/".$this->webappcfg['thumbnail']."/".
						$tobj->getlocation();
				$_response['resizedimglist'][$i]['contenttype'] = $timage['contenttype'];
				$_response['result'][$i] = true;
			}

			return $_response;
		}
	}
}

?>