Gmagick::charcoalimage
(PECL gmagick >= Unknown)
Gmagick::charcoalimage — Simulates a charcoal drawing
说明
Simulates a charcoal drawing.
参数
-
radius
-
The radius of the Gaussian, in pixels, not counting the center pixel
-
sigma
-
The standard deviation of the Gaussian, in pixels
返回值
The Gmagick object with charcoal simulation
错误/异常
错误时抛出 GmagickException。