Imagick::embossImage
(No version information available, might be only in CVS)
Imagick::embossImage — Returns a grayscale image with a three-dimensional effect
說明
bool Imagick::embossImage
( float $radius
, float $sigma
)
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。
Returns a grayscale image with a three-dimensional effect. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and it will choose a suitable radius for you.
參數
- radius
-
- sigma
-
Return值
Returns TRUE on success.