Gmagick::setimagewhitepoint()
(PECL gmagick >= Unknown)
Sets the image chromaticity white point
说明
public Gmagick::setimagewhitepoint(float $x,float $y): Gmagick
Sets the image chromaticity white point.
参数
- $x
The white x-point.
- $y
The white y-point.
返回值
The Gmagick object on success.
错误/异常
错误时抛出GmagickException。