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    Gmagick::getsamplingfactors

    (PECL gmagick >= Unknown)

    Gmagick::getsamplingfactors — Gets the horizontal and vertical sampling factor

    说明

    public Gmagick::getsamplingfactors(): array

    Gets the horizontal and vertical sampling factor.

    参数

    此函数没有参数。

    返回值

    Returns an associative array with the horizontal and vertical sampling factors of the image.

    错误／异常

    错误时抛出 GmagickException。

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