Imagick::contrastStretchImageImagick::convolveImage
(PECL imagick 2.0.0)
Imagick::convolveImage — Applies a custom convolution kernel to the image
Opis
bool Imagick::convolveImage
( array
$kernel
[, int $channel = Imagick::CHANNEL_ALL
] )Applies a custom convolution kernel to the image.
Parametry
-
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.
Zwracane wartości
Zwraca TRUE w przypadku sukcesu.
Błędy/Wyjątki
Zgłasza wyjątek ImagickException w przypadku błędu.
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