PYTHON Imagick::getImageChannelExtrema

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PHP Imagick::getImageChannelExtrema

PHP original manual for Imagick::getImageChannelExtrema [ show | php.net ]

Imagick::getImageChannelExtrema

(PECL imagick 2.0.0)

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

Description

array Imagick::getImageChannelExtrema ( int $channel )
Warning

This function is currently not documented; only its argument list is available.

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 than one channel, combine channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.