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    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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