(PECL gmagick >= Unknown)
Gmagick::getimagewhitepoint — Returns the chromaticity white point
Returns the chromaticity white point as an associative array with the keys "x" and "y".
�˺���û�в�����
Returns the chromaticity white point as an associative array with the keys "x" and "y".
����ʱ�׳� GmagickException��