Imagick::convolveImage
(No version information available, might be only in CVS)
Imagick::convolveImage — Applies a custom convolution kernel to the image
說明
bool Imagick::convolveImage
( array $kernel
[, int $channel
] )
Warning
此函式目前沒有參考文件;只有引數列表。
Warning
本函式是實驗性的。這個函式的行為、名稱、和關於此函式的任何其他文件在未來PHP的發行中可能會在不通知的情況下改變。 使用此函式需自行承擔風險。
Applies a custom convolution kernel to the image.
參數
- 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值
Returns TRUE on success.