GmagickPixel::getcolorvalue

    (PECL gmagick >= Unknown)

    GmagickPixel::getcolorvalue — Gets the normalized value of the provided color channel

    说明

    public GmagickPixel::getcolorvalue(int $color): float

    Retrieves the value of the color channel specified, as a floating-point number between 0 and 1.

    参数

    color

    The channel to check, specified as one of the Gmagick channel constants.

    返回值

    The value of the channel, as a normalized floating-point number, throwing GmagickPixelException on error.

    改进此页面

    了解如何改进此页面 • 提交拉取请求 • 报告一个错误
    ＋添加备注

    用户贡献的备注

    此页面尚无用户贡献的备注。
    To Top