TYPO3 / TYPO3.CMS

        $align = explode(',', $conf['align']);

        $align[0] = strtolower(substr(trim($align[0]), 0, 1));

        $align[1] = strtolower(substr(trim($align[1]), 0, 1));

        switch ($align[0]) {

            case 'r':

                $result[0] = $w - $result[2];

                break;

            case 'c':

                $result[0] = round(($w - $result[2]) / 2);

                break;

            default:

                $result[0] = 0;

        }

        switch ($align[1]) {

            case 'b':

                // y pos

            default:

                $result[0] = 0;

        }

        switch ($align[1]) {

            case 'b':

                // y pos

                $result[1] = $h - $result[3];

                break;

            case 'c':

                $result[1] = round(($h - $result[3]) / 2);

                break;

            default:

                $result[1] = 0;

        }

        $result = $this->applyOffset($result, GeneralUtility::intExplode(',', $conf['offset']));

        $result = $this->applyOffset($result, $workArea);

        return $result;