SunshinePHP Developer Conference 2015

Imagick::getImageChannelDistortion

(PECL imagick 2.0.0)

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

Descrição

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.

Parâmetros

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.

Valor Retornado

Returns TRUE on success.

Erros

Throws ImagickException on error.

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