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    Gmagick::getimagematte

    (PECL gmagick >= Unknown)

    Gmagick::getimagematte — Check if the image has a matte channel

    说明

    public Gmagick::getimagematte(): int

    Returns true if the image has a matte channel, otherwise false.

    参数

    此函数没有参数。

    返回值

    Returns true if the image has a matte channel, otherwise false.

    错误／异常

    错误时抛出 GmagickException。

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