<?

require("server.inc");

$dir_base = serverpath;

$tndir = serverpath . "thumb/generate/";

$i = $_GET['i'];
$ad = $_GET['ad'];
$d = $_GET['d'];
$w = $_GET['w'];

function ImageAbort(){

	echo "b";

	//header("Content-Type: image/gif"); 

	//$openit = serverpath . "images/logo.gif";
	
	//$fint=fopen($openit,"rb");
	
	//@fpassthru($fint);
	
	//@fclose($fint);

}

if($i||$ad){
 
	if($ad){
	
		$dir = $dir_base . "upload/class/" . $ad;
		
		$d = "class";
		
		$temp = explode(".",$ad);
		
		$i = $temp[0];
		
	} else {
	
		if($d){
	
			$dir = $dir_base . "images/" . $d . "/" . $i . ".jpg";
			
		} else {
		
			$dir = $dir_base . "images/" . $i . ".jpg";
			
		}

	}

	if(file_exists($dir)){
		
		//$imfile = fopen($dir,"rb");
		
		$imtype = getimagesize($dir);
		
		$imtype = $imtype[2];
		
		if($imtype == IMAGETYPE_JPEG){

			$im = ImageCreateFromJPEG($dir);
	
		} else if ($imtype == IMAGETYPE_GIF) {
		
			$im = ImageCreateFromGIF($dir);
			
		} else if ($imtype == IMAGETYPE_PNG) {
		
			$im = ImageCreateFromPNG($dir);
			
		} else if ($imtype == IMAGETYPE_BMP) {
		
			$im = ImageCreateFromBMP($dir);
			
		}

		$im_x = ImageSX($im);

		if(!$w){
	
			$w=120;
		
		}
		
		if(!file_exists($tndir . "$d/$i/$w" . ".jpg")){
	
			if($im_x>$w){
	
				$im_y = ImageSY($im);
		
				$new_x = $w;
		
				$new_y = (int)($new_x/($im_x/$im_y));
		
				$new = ImageCreateTrueColor($new_x,$new_y);
		
				ImageCopyResampled ($new, $im, 0, 0, 0, 0, $new_x, $new_y, $im_x, $im_y);
				
				$im = $new;
				
			}
				
			if(!file_exists($tndir . $d . "/")){
				
				mkdir($tndir . $d . "/",0775);
					
			}
		
			if(!file_exists($tndir . $d . "/" . $i . "/")){

				mkdir($tndir . $d . "/" . $i . "/",0775);
			
			}

			ImageJPEG($im, $tndir . $d . "/" . $i . "/" . $w . ".jpg", 75);
			
			//chmod($tndir . $d . "/" . $i . "/" . $w . ".jpg",0777);
			
		} // end if !file_exists(thumbnail)
		
		header("Content-Type: image/jpeg"); 
			
		$openit = $tndir . "$d/$i/$w" . ".jpg";
	
		$fint=fopen($openit,"rb");
	
		@fpassthru($fint);
	
		@fclose($fint);
		
	} else {
		echo $dir;
		ImageAbort();
		
	}

} else {
		
	echo "c";
	ImageAbort();

}