[*] PDF : PDF could now be returned as a string

classes/pdf/PDF.php

@@ -52,7 +52,7 @@ class PDFCore
 			$this->objects = array($objects);
 	}
 
-	public function render()
+	public function render($display = true)
 	{
 		$render =  false;
 		$this->pdf_renderer->setFontForLang('fr');
@@ -81,7 +81,7 @@ class PDFCore
 		}
 
 		if ($render)
-	      $this->pdf_renderer->render($this->filename);
+            return $this->pdf_renderer->render($this->filename, $display);
 	}
 
     public function getTemplateObject($object)

classes/pdf/PDFGenerator.php

@@ -121,15 +121,18 @@ class PDFGeneratorCore extends TCPDF
 	 * Render the pdf file
 	 *
 	 * @param string $filename
+     * @param boolean $inline
 	 * @throws PrestashopException
 	 */
-	public function render($filename)
+	public function render($filename, $display = true)
 	{
 		if (empty($filename))
 			throw new PrestashopException('Missing filename.');
 
 		$this->lastPage();
-		$this->output($filename, 'I');
+
+        $output = $display ? 'I' : 'S';
+        return $this->output($filename, $output);
 	}
 
 	/**