Php/docs/imagick.getimagedistortion
来自菜鸟教程
Imagick::getImageDistortion
(PECL imagick 2, PECL imagick 3)
Imagick::getImageDistortion — Compares an image to a reconstructed image
说明
public Imagick::getImageDistortion
( MagickWand $reference
, int $metric
) : float
Compares an image to a reconstructed image and returns the specified distortion metric.
返回值
Returns the distortion metric used on the image (or the best guess thereof).
错误/异常
错误时抛出 ImagickException。