The Imagick class
PHP Manual

Imagick::compareImageChannels

(PECL imagick 2.0.0)

Imagick::compareImageChannelsReturns the difference in one or more images

Описание

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

Към момента тази функция не е документирана; наличен е единствено списъкът с аргументите й.

Compares one or more images and returns the difference image.

Параметри

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.

Връщани стойности

Array consisting of new_wand and distortion.

Грешки/Изключения

Хвърля ImagickException при грешка.


The Imagick class
PHP Manual