<?
	$tmp_pic	= $_REQUEST["pic"];
	$w 			= isset($_REQUEST['w']) 		? $_REQUEST['w'] 	: 400;
	$h 			= isset($_REQUEST['h']) 		? $_REQUEST['h'] 	: 300;
	
	$pos = strrpos($tmp_pic, ".");
  	$extension = substr($tmp_pic, $pos + 1);
	
	
	if (file_exists($tmp_pic)) {
   		$tmp_pic = $tmp_pic;
		$extension = strtolower($extension);
		if ($extension == "jpg" || $extension == "jpeg") {
			header("Content-type: image/" . "JPEG");
			$src_img = ImageCreateFromJPEG($tmp_pic);
		}
		if ($extension == "gif") {
			header("Content-type: image/" . "GIF");
			$src_img = ImageCreateFromGIF($tmp_pic);
		}
		if ($extension == "png") {
			header("Content-type: image/" . "PNG");
			$src_img = ImageCreateFromPNG($tmp_pic);
		}
	} 
	else {
   		$tmp_pic = "images/no_pic.jpg";
		$src_img = ImageCreateFromJPEG($tmp_pic);
	}
	
	$foo = getimagesize($tmp_pic); 
	$width=$foo[0]; 
	$height=$foo[1];
	
	$def_w = $w;
	$def_h = $h;
	
	if ($width < $def_w && $height < $def_h) {
		$def_w = $width;
		$def_h = $height;
	}
										
	if ($height >= $width) {
		$width = ($def_h * $width) / $height;
		$height = $def_h;
	}
	if ($width >= $height) {
		$height = ($def_w * $height) / $width;
		$width = $def_w;
	}

	//$height = ($w / $width) * $height;
	//$width = $w;
	
	
	
	$dst_img = ImageCreatetruecolor($width, $height);
	imagecopyresampled ($dst_img, $src_img, 0, 0, 0, 0, $width, $height, ImageSX($src_img), ImageSY($src_img));
	
	
	if ($extension == "jpg" || $extension == "jpeg") {
		ImageJPEG($dst_img, '', 100);
	}
	if ($extension == "gif") {
		ImageGIF($dst_img, '', 100);
	}
	
	if ($extension == "png") {
		ImagePNG($dst_img, '', 100);
	}
	
	ImageDestroy($dst_img);
	ImageDestroy($src_img);
?>