protected function getImagine($driver = null)
    {
        if (null === $driver) {
            switch (true) {
                case function_exists('gd_info'):
                    $driver = 'gd';
                    break;
                case class_exists('Gmagick'):
                    $driver = 'gmagick';
                    break;
                case class_exists('Imagick'):
                    $driver = 'imagick';
                    break;
            }
        }

        if (!in_array($driver, array('gd', 'gmagick', 'imagick'))) {
            throw new \RuntimeException(sprintf('Driver "%s" does not exist.', $driver));
        }

        switch (strtolower($driver)) {
            case 'gd':
                return new Gd\Imagine();
            case 'gmagick':
                return new Gmagick\Imagine();
            case 'imagick':
                return new Imagick\Imagine();
        }
    }
protected function getImagine($driver = null)
    {
        if (null === $driver) {
            switch (true) {
                case function_exists('gd_info'):
                    $driver = 'gd';
                    break;
                case class_exists('Gmagick'):
                    $driver = 'gmagick';
                    break;
                case class_exists('Imagick'):
                    $driver = 'imagick';
                    break;
            }
        }

        if (!in_array($driver, array('gd', 'gmagick', 'imagick'))) {
            throw new \RuntimeException(sprintf('Driver "%s" does not exist.', $driver));
        }

        switch (strtolower($driver)) {
            case 'gd':
                return new Gd\Imagine();
            case 'gmagick':
                return new Gmagick\Imagine();
            case 'imagick':
                return new Imagick\Imagine();
        }
    }
protected function getImagine ( $ driver = null ) { if ( null === $ driver ) { switch ( true ) { case function_exists ( 'gd_info' ) : $ driver = 'gd' ; break ; case class_exists ( 'Gmagick' ) : $ driver = 'gmagick' ; break ; case class_exists ( 'Imagick' ) : $ driver = 'imagick' ; break ; } } if ( ! in_array ( $ driver , array ( 'gd' , 'gmagick' , 'imagick' ) ) ) { throw new \ RuntimeException ( sprintf ( 'Driver "%s" does not exist.' , $ driver ) ) ; } switch ( strtolower ( $ driver ) ) { case 'gd' : return new Gd \ Imagine ( ) ; case 'gmagick' : return new Gmagick \ Imagine ( ) ; case 'imagick' : return new Imagick \ Imagine ( ) ; } }
Returns an ImagineInterface instance.

@param  string            $driver (optional)
@return ImagineInterface
@throws \RuntimeException
Returns an ImagineInterface instance .