Imagick::compareImages
(No version information available, might be only in CVS)
Imagick::compareImages — Compares an image to a reconstructed image
설명
array Imagick::compareImages
( Imagick $compare
, int $metric
)
Warning
This function is currently not documented; only the argument list is available.
Warning
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.
Returns an array containing a reconstructed image and the difference between images.
매개변수
- compare
-
An image to compare to.
- metric
-
Provide a valid metric type constant. Refer to this list of metic constants.
반환값
성공시에 TRUE를 반환합니다.
예제
Example#1 Using Imagick::compareImages():
Compare images and display the reconstructed image
<?php
$image1 = new imagick("image1.png");
$image2 = new imagick("image2.png");
$result = $image1->compareImage($image2, Imagick::METRIC_MEANSQUAREERROR);
$result[0]->setImageFormat("png");
header("Content-Type: image/png");
echo $result[0];
?>