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    Gmagick::getimagecolors

    (PECL gmagick >= Unknown)

    Gmagick::getimagecolors — Returns the color of the specified colormap index

    说明

    public Gmagick::getimagecolors(): int

    Returns the color of the specified colormap index.

    参数

    此函数没有参数。

    返回值

    The number of colors in image.

    错误／异常

    错误时抛出 GmagickException。

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