X-Git-Url: http://git.polytechnique.org/?a=blobdiff_plain;f=classes%2Fplimage.php;h=6769f4de9c8455d1422bc3d325256fb2a13d9a2e;hb=e92ecb8c24421ca1dd4f87ad7478d0d8277e1f60;hp=c4b3e05056bd3d342d69d47d50cb1d08c3346864;hpb=2ab75571bf840471fa9559292b75852bfce004d3;p=platal.git

diff --git a/classes/plimage.php b/classes/plimage.php
index c4b3e05..6769f4d 100644
--- a/classes/plimage.php
+++ b/classes/plimage.php
@@ -1,6 +1,6 @@
 <?php
 /***************************************************************************
- *  Copyright (C) 2003-2010 Polytechnique.org                              *
+ *  Copyright (C) 2003-2011 Polytechnique.org                              *
  *  http://opensource.polytechnique.org/                                   *
  *                                                                         *
  *  This program is free software; you can redistribute it and/or modify   *
@@ -20,19 +20,23 @@
  ***************************************************************************/
 
 class PlImage {
-    private $mime = null;
-    private $x = null;
-    private $y = null;
+    protected $mime = null;
+    protected $x = null;
+    protected $y = null;
+    protected $ts = null;
 
-    private $data = null;
-    private $file = null;
+    protected $data = null;
+    protected $file = null;
 
-    private function __construct()
+    protected function __construct()
     {
     }
 
     public function send()
     {
+        if (!is_null($this->ts)) {
+            header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $this->ts) . ' GMT');
+        }
         pl_cached_dynamic_content_headers($this->mime);
         if (empty($this->data)) {
             readfile($this->file);
@@ -68,23 +72,25 @@ class PlImage {
         return $this->mime;
     }
 
-    public static function fromData($data, $mime, $x = null, $y = null)
+    public static function fromData($data, $mime, $x = null, $y = null, $ts = null)
     {
         $image = new PlImage();
         $image->data = $data;
         $image->mime = $mime;
         $image->x    = $x;
         $image->y    = $y;
+        $image->ts   = $ts;
         return $image;
     }
 
-    public static function fromFile($path, $mime, $x = null, $y = null)
+    public static function fromFile($path, $mime, $x = null, $y = null, $ts = null)
     {
         $image = new PlImage();
         $image->file = $path;
         $image->mime = $mime;
         $image->x    = $x;
         $image->y    = $y;
+        $image->ts   = $ts;
         return $image;
     }
 }