Imagick::getImageChannelMeanImagick::getImageChannelRange
(PECL imagick 2.2.1)
Imagick::getImageChannelRange — Gets channel range
Descrição
array Imagick::getImageChannelRange
( int $channel
)
Gets the range for one or more image channels. This method is available if Imagick has been compiled against ImageMagick version 6.4.0 or newer.
Parâmetros
- 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
Valor Retornado
Returns an array containing minima and maxima values of the channel(s).
Erros
Dispara ImagickException em erro.
User Contributed Notes
Imagick::getImageChannelRange
Imagick::getImageChannelRange
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