src/Intervention/Gif/Decoded.php
public function addOffset($left, $top)
    {
        $offset = new \StdClass;
        $offset->left = $left;
        $offset->top = $top;

        $this->addToFirstFrameWithoutProperty($offset, 'offset');
    }
public function addOffset($left, $top)
    {
        $offset = new \StdClass;
        $offset->left = $left;
        $offset->top = $top;

        $this->addToFirstFrameWithoutProperty($offset, 'offset');
    }
Adds offset to first frame without offset

@param integer $left
@param integer $top