Gmagick::setimagechanneldepth

    (PECL gmagick >= Unknown)

    Gmagick::setimagechanneldepth — Sets the depth of a particular image channel

    说明

    publicGmagick::setimagechanneldepth(int$channel, int$depth): Gmagick

    Sets the depth of a particular image channel.

    参数

    channel

    One of the Channel constant (Gmagick::CHANNEL_*).

    depth

    The image depth in bits.

    返回值

    The Gmagick object.

    错误／异常

    错误时抛出 GmagickException。

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