Imagick::compareImageChannels
(PECL imagick 2, PECL imagick 3)
Imagick::compareImageChannels — Returns the difference in one or more images
Описание
public Imagick::compareImageChannels
( Imagick
$image
, int $channelType
, int $metricType
) : arrayCompares one or more images and returns the difference image.
Список параметров
-
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. Refer to this list of channel constants.
-
metricType -
One of the metric type constants.
Возвращаемые значения
Array consisting of new_wand and
distortion.
Ошибки
Вызывает ImagickException при ошибке.