1 files changed, 78 insertions, 0 deletions
diff --git a/classes/User_group.php b/classes/User_group.php
index 484b2fe0a..98ad77cc0 100755
--- a/classes/User_group.php
+++ b/classes/User_group.php
@@ -86,4 +86,82 @@ class User_group extends Memcached_DataObject
 
         return $members;
     }
+
+    function setOriginal($filename, $type)
+    {
+        $orig = clone($this);
+        $this->original_logo = common_avatar_url($filename);
+        $this->homepage_logo = common_avatar_url($this->scale($filename,
+                                                                      AVATAR_PROFILE_SIZE,
+                                                                      $type));
+        $this->stream_logo = common_avatar_url($this->scale($filename,
+                                                                    AVATAR_STREAM_SIZE,
+                                                                      $type));
+        $this->mini_logo = common_avatar_url($this->scale($filename,
+                                                                  AVATAR_MINI_SIZE,
+                                                                  $type));
+        common_debug(common_log_objstring($this));
+        return $this->update($orig);
+    }
+
+    function scale($filename, $size, $type)
+    {
+        $filepath = common_avatar_path($filename);
+
+        if (!file_exists($filepath)) {
+            $this->serverError(_('Lost our file.'));
+            return;
+        }
+
+        $info = @getimagesize($filepath);
+
+        switch ($type) {
+        case IMAGETYPE_GIF:
+            $image_src = imagecreatefromgif($filepath);
+            break;
+        case IMAGETYPE_JPEG:
+            $image_src = imagecreatefromjpeg($filepath);
+            break;
+        case IMAGETYPE_PNG:
+            $image_src = imagecreatefrompng($filepath);
+            break;
+         default:
+            $this->serverError(_('Unknown file type'));
+            return;
+        }
+
+        $image_dest = imagecreatetruecolor($size, $size);
+
+        $background = imagecolorallocate($image_dest, 0, 0, 0);
+        ImageColorTransparent($image_dest, $background);
+        imagealphablending($image_dest, false);
+
+        imagecopyresized($image_dest, $image_src, 0, 0, $x, $y, $size, $size, $info[0], $info[1]);
+
+        $cur = common_current_user();
+
+        $outname = common_avatar_filename($cur->id,
+                                          image_type_to_extension($type),
+                                          null,
+                                          common_timestamp());
+
+        $outpath = common_avatar_path($outname);
+
+        switch ($type) {
+        case IMAGETYPE_GIF:
+            imagegif($image_dest, $outpath);
+            break;
+        case IMAGETYPE_JPEG:
+            imagejpeg($image_dest, $outpath);
+            break;
+        case IMAGETYPE_PNG:
+            imagepng($image_dest, $outpath);
+            break;
+         default:
+            $this->serverError(_('Unknown file type'));
+            return;
+        }
+
+        return $outname;
+    }
 }