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Ce document utilise Manuel du site Web PHP chinois Libérer
(PECL gmagick >= Unknown)
Gmagick::setimagewhitepoint — Sets the image chromaticity white point.
$x
, float $y
)Sets the image chromaticity white point.
x
The white x-point.
y
The white y-point.
The Gmagick object on success.
错误时抛出 GmagickException。