Imagick::motionBlurImageImagick::negateImage
(PECL imagick 2.0.0)
Imagick::negateImage — Negates the colors in the reference image
Descrizione
bool Imagick::negateImage
( bool
$gray
[, int $channel = Imagick::CHANNEL_ALL
] )Negates the colors in the reference image. The Grayscale option means that only grayscale values within the image are negated.
Elenco dei parametri
-
gray -
Whether to only negate grayscale pixels within the image.
-
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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