Php/docs/gmagickpixel.setcolorvalue
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GmagickPixel::setcolorvalue
(PECL gmagick >= Unknown)
GmagickPixel::setcolorvalue — Sets the normalized value of one of the channels
说明
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.
参数
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 on success.
