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(PECL gmagick >= Unknown)
Gmagick::getimageredprimary — Returns the chromaticity red primary point
Returns the chromaticity red primary point as an array with the keys "x" and "y".
此函数没有参数。
Returns the chromaticity red primary point as an array with the keys "x" and "y".
错误时抛出 GmagickException。
