1 files changed, 64 insertions, 0 deletions
diff --git a/app/Controller/File.php b/app/Controller/File.php
index 3255fe84..3963e2d7 100644
--- a/app/Controller/File.php
+++ b/app/Controller/File.php
@@ -102,6 +102,70 @@ class File extends Base
     }
 
     /**
+     * Return image thumbnails
+     *
+     * @access public
+     */
+    public function thumbnail()
+    {
+        $task = $this->getTask();
+        $file = $this->file->getById($this->request->getIntegerParam('file_id'));
+        $width_param = $this->request->getIntegerParam('width');
+        $height_param = $this->request->getIntegerParam('height');
+        $filename = FILES_DIR.$file['path'];
+
+        if ($file['task_id'] == $task['id'] && file_exists($filename)) {
+
+            // Get new sizes
+            list($width, $height) = getimagesize($filename);
+
+            if ($width_param == 0 && $height_param == 0) {
+                $newwidth = 100;
+                $newheight = 100;
+            } elseif ($width_param > 0 && $height_param == 0) {
+                $newwidth = $width_param;
+                $newheight = floor($height * ($width_param / $width));
+            } elseif ($width_param == 0 && $height_param > 0) {
+                $newwidth = floor($width * ($height_param / $height));
+                $newheight = $height_param;
+            } else {
+                $newwidth = $width_param;
+                $newheight = $height_param;
+            }
+
+            // Load
+            $thumb = imagecreatetruecolor($newwidth, $newheight);
+            $extension = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
+
+            switch ($extension) {
+                case 'jpeg':
+                case 'jpg':
+                    $source = imagecreatefromjpeg($filename);
+                    break;
+                case 'png':
+                    $source = imagecreatefrompng($filename);
+                    break;
+                case 'gif':
+                    $source = imagecreatefromgif($filename);
+                    break;
+                default:
+                    die('File "' . $filename . '" is not valid jpg, png or gif image.');
+                    break;
+            }
+
+            // Resize
+            imagecopyresampled($thumb, $source, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
+
+            $metadata = getimagesize($filename);
+
+            if (isset($metadata['mime'])) {
+                $this->response->contentType($metadata['mime']);
+                imagejpeg($thumb);
+            }
+        }
+    }
+
+    /**
      * Remove a file
      *
      * @access public