GmagickPixel::setcolorvalue
(PECL gmagick >= Unknown)
GmagickPixel::setcolorvalue — Sets the normalized value of one of the channels
説明
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.
パラメータ
-
color -
One of the Gmagick channel color constants.
-
value -
The value to set this channel to, ranging from 0 to 1.
返り値
The GmagickPixel object on success.