(PECL imagick 2, PECL imagick 3)
Imagick::getImageRedPrimary — Returns the chromaticity red primary point
Returns the chromaticity red primary point as an array with the keys "x" and "y".
Returns the chromaticity red primary point as an array with the keys "x" and "y". 错误时抛出 ImagickException。
错误时抛出 ImagickException。