ImagickPixel::getColorValue

(PECL imagick 2.0.0)

ImagickPixel::getColorValue — Gets the normalized value of the provided color channel

float ImagickPixel::getColorValue ( int $color )

Warning

本函数暂无文档，仅有参数列表。

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

color: The channel to check, specified as one of the Imagick channel constants.

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