Imagick::getImageGamma
(PECL imagick 2, PECL imagick 3)
Imagick::getImageGamma — Gets the image gamma
说明
public Imagick::getImageGamma(): float
Gets the image gamma.
参数
此函数没有参数。
返回值
Returns the image gamma on success.
错误／异常
错误时抛出 ImagickException。
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