Imagick::setImageBackgroundColorImagick::setImageBias
(PECL imagick 2.0.0)
Imagick::setImageBias — Sets the image bias for any method that convolves an image
说明
bool Imagick::setImageBias
( float
$bias
)Sets the image bias for any method that convolves an image (e.g. Imagick::ConvolveImage()).
参数
-
bias -
返回值
成功时返回 TRUE。
错误／异常
错误时抛出 ImagickException。
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