Imagick::convolveImage

(PECL imagick 2.0.0)

Imagick::convolveImage — Applies a custom convolution kernel to the image

bool Imagick::convolveImage ( array $kernel [, int $channel=Imagick::CHANNEL_ALL ] )

Warning

本函数暂无文档，仅有参数列表。

Applies a custom convolution kernel to the image.

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.

Returns TRUE on success.

Throws ImagickException on error.