[FPDF] Afficher image BLOB (stockée dans BDD) dans un pdf

$image = file_get_contents('http://monsite.fr/afficheimmage.php?var=1'); //vérifier que allow_url_fopen = On dans php.ini
$pdf->Image('var://image', 60, 30, 90, 0, 'JPEG');

$image = $imgbdd;

$image = file_get_contents('http://monsite.fr/afficheimmage.php?var=1');

file_put_contents('mon-image.jpg',$imgbdd);
$pdf->Image('mon-image.jpg',60,30,90,0,'JPG');

$pdf->Image('http://monsite.fr/afficheimmage.php?var=1',60,30,90,0,'JPG'); 

$pdf->Image('afficheimmage.php?var=1',60,30,90,0,'JPG'); 

<?php
require_once("fpdf.php");

class FPDF2 extends FPDF {

function _parsejpg($file)
{
$a = getimagesizefromstring($file);
 if(!$a)
  $this->Error('Missing or incorrect image file: '.$file);
 if($a[2]!=2)
  $this->Error('Not a JPEG file: '.$file);
 if(!isset($a['channels']) || $a['channels']==3)
  $colspace = 'DeviceRGB';
 elseif($a['channels']==4)
  $colspace = 'DeviceCMYK';
 else
  $colspace = 'DeviceGray';
 $bpc = isset($a['bits']) ? $a['bits'] : 8;
 $data = $file;
 return array('w'=>$a[0], 'h'=>$a[1], 'cs'=>$colspace, 'bpc'=>$bpc, 'f'=>'DCTDecode', 'data'=>$data);
}
}
?>

require('fpdf2.php');
$pdf = new FPDF2();
.
.
.
$pdf->Image($imagebdd,60,30,90,0,'JPG');