<?
include_once("backend/includes/db_config.inc.php");

error_reporting(E_ALL);
ini_set("display_errors", 1);

	if(!isset($_GET["id"])) {
		echo "ERROR!!!!";
	} else {
		if(isset($_GET['src'])){
			if($_GET['src'] == "ml"){
				$strSQL="SELECT img FROM mail_artikelen WHERE id=".intval($_GET["id"]);
				$row=mysql_fetch_array(mysql_query($strSQL));
	    	    header('Content-Control: cache');
	        	header('Content-Type: image/jpeg');
				echo $row["img"];
			}
			
		}else{
			
			$strSQL="SELECT content,mime,filename FROM cms_content WHERE id=".intval($_GET["id"]);
			$row=mysql_fetch_array(mysql_query($strSQL));
			if(!isset($_GET['h']) && !isset($_GET['b']) && !isset($_GET['maxh']) && !isset($_GET['maxb'])){
				header('Content-Control: cache');
		        header("Content-Type: '".$row['mime']."'");
				echo $row["content"];
			}else{
				$filewrite = "webCache/file_php_ID".$_GET['id'];
				if(isset($_GET['h'])){$filewrite .= "_h".$_GET['h'];}
				if(isset($_GET['b'])){$filewrite .= "_b".$_GET['b'];}
				if(isset($_GET['mode'])){$filewrite .= "_mode".$_GET['mode'];}
				$filewrite .= ".dat";
			
				
				if(file_exists($filewrite)){
					header('Content-Control: cache');
					header('Content-type: '.$row['mime'].'');
					header('Content-Disposition: attachment; filename="'.$row['filename'].'"');
					echo file_get_contents($filewrite);
					exit;
				}
				

				// ***********
				// Get current params	
				
				$size = getJPEGImageXY($row['content']);
				$height = $size[1];
				$width = $size[0];
				
				if(isset($_GET['h']) || isset($_GET['b'])){
					$newwidth = 0;
					$newheight = 0;
					
					if(isset($_GET["h"])) {
						if(!intval($_GET['h'])){
							echo "ERROR!!!!";
							exit;
						}else{
							$newheight = $_GET['h'];
						} 
					}
					if(isset($_GET["b"])) {
						if(!intval($_GET['b'])){
							echo "ERROR!!!!";
							exit;
						}else{
							$newwidth = $_GET['b'];
						} 
					}
					if(isset($_GET['mode'])){
						if($_GET['mode'] == 'crop'){
							if($width > $height){
								$newwidth = 0;
							}else{
								$newheight = 0;
							}
						}
					}
					
					// ***********
					if($newwidth == 0 && $newheight == 0){
						echo "ERROR!!!!";
						exit;
					}elseif($newwidth != 0 && $newheight == 0){
						$ratio = $width / $newwidth;
						$newheight = $height / $ratio;
					}elseif($newwidth == 0 && $newheight != 0){
						$ratio = $height / $newheight;
						$newwidth = $width / $ratio;
					}else{
						// NOP
					}
				}

				/***/
				if(isset($_GET['maxh']) || isset($_GET['maxb'])){
					$maxwidth = 0;
					$maxheight = 0;
					$newwidth = 0;
					$newheight = 0;
					if(isset($_GET["maxh"])) {
						if(!intval($_GET['maxh'])){
							echo "ERROR!!!!";
							exit;
						}else{
							$maxheight = $_GET['maxh'];
						} 
					}
					if(isset($_GET["maxb"])) {
						if(!intval($_GET['maxb'])){
							echo "ERROR!!!!";
							exit;
						}else{
							$maxwidth = $_GET['maxb'];
						} 
					}
					/*if($width > $height){
						$newwidth = $maxwidth;
					}else{*/
					$newheight = $maxheight;
					//}
					// ***********
					$ratio = $height / $newheight;
					$newwidth = $width / $ratio;
					
					if($newwidth > $maxwidth){
						
						$ratio = $newwidth / $maxwidth;
						$newheight = $newheight / $ratio;
						
						$newwidth = $maxwidth;
						
					}
					
				}
				
				header("Content-Type: '".$row['mime']."'");
				// Load
				$thumb = imagecreatetruecolor($newwidth, $newheight);
				$source = imagecreatefromstring($row['content']);
/*
				if($row['mime'] == "image/jpeg"){
					$source = imagecreatefromjpeg($filename);
				}elseif($row['mime'] == "image/gif"){
					$source = imagecreatefromgif($filename);
				}elseif($row['mime'] == "image/png" || $row['mime'] == "image/x-png"){
					$source = imagecreatefrompng($filename);
				}else{
					$source = imagecreatefromjpeg($filename);
				}
*/
				// Resize
				/*				
				echo('['.$width.']');
				echo('['.$height.']');
				echo('['.$newwidth.']');
				echo('['.$newheight.']');
				*/
				if(!isset($_GET['mode'])){
					imagecopyresampled($thumb, $source, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
				}else{
					if($_GET['mode'] == 'crop'){
						// linear scale first
						imagecopyresampled($thumb, $source, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
						// Crop
						if($width > $height){
							$offset = floor(($newwidth - $_GET['b']) / 2);
							$stop = $offset + $_GET['b'];
							$thumbt = $thumb;
							$thumb = imagecreatetruecolor($_GET['b'], $_GET['h']);
							imagecopyresampled($thumb, $thumbt, 0, 0, $offset, 0, $_GET['b'], $_GET['h'], $stop, $newheight);
						}else{
							$offset = floor(($newheight - $_GET['h']) / 2);
							$stop = $offset + $_GET['h'];
							$thumbt = $thumb;
							$thumb = imagecreatetruecolor($_GET['b'], $_GET['h']);
							imagecopyresampled($thumb, $thumbt, 0, 0, 0, $offset, $_GET['b'], $_GET['h'], $newwidth, $_GET['h']);
						}
					}
				}
				/*
				echo('['.$offset.']');
				echo('['.$stop.']');
				exit;
				*/
				// Output
				
				header('Content-Control: cache');
				header('Content-type: '.$row['mime'].'');
				header('Content-Disposition: attachment; filename="'.$row['filename'].'"');
				
				if($row['mime'] == "image/jpeg"){
					imagejpeg($thumb);
					imagejpeg($thumb,$filewrite);
				}elseif($row['mime'] == "image/gif"){
					imagegif($thumb);
					imagegif($thumb,$filewrite);
				}elseif($row['mime'] == "image/png" || $row['mime'] == "image/x-png"){
					imagepng($thumb);
					imagepng($thumb,$filewrite);
				}else{
					imagejpeg($thumb);
					imagejpeg($thumb,$filewrite);
				}
				
				imagedestroy($thumb);
				
			}
		}
	}
function getJPEGImageXY($data) {
        $soi = unpack('nmagic/nmarker', $data);
        if ($soi['magic'] != 0xFFD8) return false;
        $marker = $soi['marker'];
        $data   = substr($data, 4);
        $done   = false;

        while(1) {
                if (strlen($data) === 0) return false;
                switch($marker) {
                        case 0xFFC0:
                                $info = unpack('nlength/Cprecision/nY/nX', $data);
                                return array($info['X'], $info['Y']);
                                break;

                        default:
                                $info   = unpack('nlength', $data);
                                $data   = substr($data, $info['length']);
                                $info   = unpack('nmarker', $data);
                                $marker = $info['marker'];
                                $data   = substr($data, 2);
                                break;
                }
        }
}
?>