(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".
此函數沒(méi)有參數。
Returns the chromaticity white point as an associative array with the keys "x" and "y".
錯誤時(shí)拋出 GmagickException。