PHP - Manual: GmagickPixel::setcolorvalue
2024-11-13
(PECL gmagick >= Unknown)
GmagickPixel::setcolorvalue — Sets the normalized value of one of the channels
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.
color
One of the Gmagick channel color constants.
value
The value to set this channel to, ranging from 0 to 1.
The GmagickPixel object.
官方地址:https://www.php.net/manual/en/gmagickpixel.setcolorvalue.php