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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(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".
此函数没有参数。
Returns an array with the keys "x" and "y" on success.
错误时抛出 GmagickException。