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    Gmagick::charcoalimage

    (PECL gmagick >= Unknown)

    Gmagick::charcoalimage — Simulates a charcoal drawing

    说明

    public Gmagick::charcoalimage(float $radius, float $sigma): Gmagick

    Simulates a charcoal drawing.

    参数

    radius

    The radius of the Gaussian, in pixels, not counting the center pixel.

    sigma

    The standard deviation of the Gaussian, in pixels.

    返回值

    The Gmagick object with charcoal simulation.

    错误／异常

    错误时抛出 GmagickException。

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