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Imagick::convolveImage

Applies a custom convolution kernel to the image ()
bool Imagick::convolveImage ( array kernel [, int channel] )

Warning:

This function is currently not documented; only the argument list is available.

Warning:

This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

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.