PHP 5.4.31 Released

Imagick::getImageChannelDistortion

(PECL imagick 2.0.0)

Imagick::getImageChannelDistortionCompares image channels of an image to a reconstructed image

Descrierea

float Imagick::getImageChannelDistortion ( Imagick $reference , int $channel , int $metric )

Compares one or more image channels of an image to a reconstructed image and returns the specified distortion metric.

Parametri

reference

Imagick object to compare to.

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Refer to this list of channel constants.

metric

One of the metric type constants.

Valorile întoarse

Întoarce TRUE în caz de succes.

Erori/Excepții

Emite ImagickException în caz de eroare.

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