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    Imagick::getImageChannelExtrema

    (PECL imagick 2, PECL imagick 3)

    Imagick::getImageChannelExtrema — Gets the extrema for one or more image channels

    Avviso

    This function has been DEPRECATED as of Imagick 3.4.4. Relying on this function is highly discouraged.

    Descrizione

    public Imagick::getImageChannelExtrema(int $channel): array

    Gets the extrema for one or more image channels. Return value is an associative array with the keys "minima" and "maxima".

    Elenco dei parametri

    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.

    Valori restituiti

    Restituisce true in caso di successo.

    Errori/Eccezioni

    Lancia una ImagickException in caso di errore.

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