Imagick::getSamplingFactors
(PECL imagick 2, PECL imagick 3)
Imagick::getSamplingFactors — Gets the horizontal and vertical sampling factor
说明
public Imagick::getSamplingFactors
(
) : array
Gets the horizontal and vertical sampling factor.
返回值
Returns an associative array with the horizontal and vertical sampling factors of the image.
错误／异常
错误时抛出 ImagickException。