Imagick::getImageChannelExtrema
Gets the extrema for one or more image channels
WarningThis function has been DEPRECATED as of Imagick 3.4.4. Relying on this function is highly discouraged.
Description
public array Imagick::getImageChannelExtrema(int $channel
)
Parameters
-
channel
-
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.
Return Values
Returns true
on success.
Errors/Exceptions
Throws ImagickException on error.