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    Gmagick::getimageextrema

    (PECL gmagick >= Unknown)

    Gmagick::getimageextrema — Gets the extrema for the image

    说明

    public Gmagick::getimageextrema(): array

    Returns an associative array with the keys "min" and "max". 错误时抛出 GmagickException。

    参数

    此函数没有参数。

    返回值

    Returns an associative array with the keys "min" and "max".

    错误／异常

    错误时抛出 GmagickException。

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