(PECL imagick 2, PECL imagick 3)
Imagick::getImageGreenPrimary — Returns the chromaticy green primary point
Returns the chromaticity green primary point. Returns an array with the keys "x" and "y".
此函数没有参数。
Returns an array with the keys "x" and "y" on success, throws an ImagickException on failure.
错误时抛出 ImagickException。