Imagick::getImageChannelExtrema

Imagick::getImageChannelExtrema

(PECL imagick 2.0.0)

Imagick::getImageChannelExtremaGets the extrema for one or more image channels

Description

array Imagick::getImageChannelExtrema ( int $channel )

Gets the extrema for one or more image channels. Return value is an associative array with the keys "minima" and "maxima".

Parameters

channel

Provide any channel constant that is valid for your channel mode. To apply to more