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    Gmagick::normalizeimage

    (PECL gmagick >= Unknown)

    Gmagick::normalizeimage — Enhances the contrast of a color image

    说明

    public Gmagick::normalizeimage(int $channel = ?): Gmagick

    Enhances the contrast of a color image by adjusting the pixels color to span the entire range of colors available.

    参数

    channel

    Identify which channel to normalize.

    返回值

    The Gmagick object.

    错误／异常

    错误时抛出 GmagickException。

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