Imagick::getImageChannelExtrema
(PECL imagick 2.0.0)
Imagick::getImageChannelExtrema — Gets the extrema for one or more image channels
설명
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".
인수
-
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.
반환값
성공시에 TRUE를 반환합니다.
오류/예외
오류시에 ImagickException이 발생합니다.
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