diff options
| -rw-r--r-- | lib/image.php | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/image.php b/lib/image.php index 53ffb24d18c..840b744ad72 100644 --- a/lib/image.php +++ b/lib/image.php @@ -496,8 +496,10 @@ class OC_Image { return false; } $this->resource = @imagecreatefromstring($str); - imagealphablending($this->resource, false); - imagesavealpha($this->resource, true); + if(is_resource($this->resource)) { + imagealphablending($this->resource, false); + imagesavealpha($this->resource, true); + } if(!$this->resource) { OC_Log::write('core', 'OC_Image->loadFromData, couldn\'t load', OC_Log::DEBUG); |