Imagick::convolveImage
(No version information available, might be only in CVS)
Imagick::convolveImage — Applies a custom convolution kernel to the image
Description
bool Imagick::convolveImage
( array $kernel
[, int $channel
] )
WarningThis function is
currently not documented; only its argument list is available.
Applies a custom convolution kernel to the image.
Parameters
-
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. Defaults to Imagick::CHANNEL_ALL. Refer to this
list of channel constants.
Return Values
Returns TRUE on success.
Errors/Exceptions
Throws ImagickException on error.
Imagick::contrastStretchImage
