Imagick::compareImageChannels

(PECL imagick 2.0.0)

Imagick::compareImageChannels — Returns the difference in one or more images

array Imagick::compareImageChannels ( Imagick $image , int $channelType , int $metricType )

Warning

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Compares one or more images and returns the difference image.

image: Imagick object containing the image to compare.
channelType: Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.
metricType: One of the metric type constants.

Array consisting of new_wand and distortion.

오류시에 ImagickException이 발생합니다.