(PECL gmagick >= Unknown)
Gmagick::getimagegreenprimary — Returns the chromaticy green primary point
Returns the chromaticity green primary point. Returns an array with the keys "x" and "y".
이 함수는 인수가 없습니다.
Returns an array with the keys "x" and "y" on success.
Throws an GmagickException on error.