Imagick::compareImages

(No version information available, might be only in CVS)

Imagick::compareImages — Compares an image to a reconstructed image

Description

array Imagick::compareImages ( Imagick $compare , int $metric )

Avertissement

Cette fonction n'est pas documentée et seule la liste des arguments est disponible.

Returns an array containing a reconstructed image and the difference between images.

Liste de paramètres

compare: An image to compare to.
metric: Provide a valid metric type constant. Refer to this list of metric constants.

Valeurs de retour

Returns TRUE on success.

Erreurs / Exceptions

Throws ImagickException on error.

Exemples

Exemple #1 Using Imagick::compareImages():

Compare images and display the reconstructed image


<?php

$image1 = new imagick("image1.png");
$image2 = new imagick("image2.png");

$result = $image1->compareImages($image2, Imagick::METRIC_MEANSQUAREERROR);
$result[0]->setImageFormat("png");

header("Content-Type: image/png");
echo $result[0];

?>