Imagick::getImageChannelRange
Gets channel range
Description
public array Imagick::getImageChannelRange(int $channel)
Parameters
-
channel
-
Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. Defaults to Imagick::CHANNEL_DEFAULT. Refer to this list of channel constants
Return Values
Returns an array containing minima and maxima values of the channel(s).
Errors/Exceptions
Throws ImagickException on error.