Imagick::getImageExtrema

    (PECL imagick 2, PECL imagick 3)

    Imagick::getImageExtrema — Gets the extrema for the image

    警告

    此函数在 Imagick 3.4.4 中被 废弃，强烈建议不要应用此函数。

    说明

    public Imagick::getImageExtrema(): array

    Gets the extrema for the image. Returns an associative array with the keys "min" and "max".

    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 ImagickException。

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