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GmagickPixel::setcolorvalue

(PECL gmagick >= Unknown)

GmagickPixel::setcolorvalue — Sets the normalized value of one of the channels

說(shuō)明

public GmagickPixel::setcolorvalue(int $color, float $value): GmagickPixel

Sets the value of the specified channel of this object to the provided value, which should be between 0 and 1. This function can be used to provide an opacity channel to a GmagickPixel object.

參數

color

One of the Gmagick channel color constants.

value

The value to set this channel to, ranging from 0 to 1.

返回值

The GmagickPixel object.

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