Imagick::contrastStretchImageImagick::convolveImage
(PECL imagick 2.0.0)
Imagick::convolveImage — Applies a custom convolution kernel to the image
Descrierea
bool Imagick::convolveImage
( array
$kernel
[, int $channel = Imagick::CHANNEL_ALL
] )Applies a custom convolution kernel to the image.
Parametri
-
kernel -
The convolution kernel
-
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.
Valorile întoarse
Întoarce TRUE în caz de succes.
Erori/Excepții
Emite ImagickException în caz de eroare.
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