Imagick::getImageChannelExtrema
(PECL imagick 2, PECL imagick 3)
Imagick::getImageChannelExtrema — Gets the extrema for one or more image channels
Warning
This function has been DEPRECATED as of Imagick 3.4.4. Relying on this function is highly discouraged.
Description
public Imagick::getImageChannelExtrema(int
$channel): arrayGets 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 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.
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