<?php 
$idimg = (isset($_GET["idimg"])) ? $_GET["idimg"] : exit();
include 'acceso1bdatos.php';
$res = "SELECT imagen FROM libro_img WHERE id ='".$idimg."' UNION SELECT imagen FROM parametros limit 1";
$resultado = $conn->query($res);


$datos =$resultado->fetch_assoc();

$imagen = $datos['imagen'];

  
$dimensions = explode(",", $_REQUEST['resize']);
  
 header("Content-Type: image/png"); 
 
 
 
 
   $im = imagecreatefromstring($imagen);
    $new = imagecreatetruecolor($dimensions[0],$dimensions[1]) or exit("bad url");
    $x = imagesx($im);
    $y = imagesy($im);
    imagecopyresampled($new, $im, 0, 0, 0, 0, $dimensions[0], $dimensions[1], $x, $y) or exit("bad url");
    imagedestroy($im);
 imagepng($new); 


$conn -> close();





?>