Imagick::getImageChannelDistortionsImagick::getImageChannelExtrema
(PECL imagick 2.0.0)
Imagick::getImageChannelExtrema — Gets the extrema for one or more image channels
Descrição
array Imagick::getImageChannelExtrema
( int $channel
)
Aviso
Esta função não está documentada; somente a lista de argumentos está disponível.
Gets the extrema for one or more image channels. Return value is an associative array with the keys "minima" and "maxima".
Parâmetros
- 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.
Valor Retornado
Retorna TRUE em sucesso.
Erros
Dispara ImagickException em erro.
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