Gmagick::charcoalimage
Simulates a charcoal drawing
Description
public Gmagick Gmagick::charcoalimage
( float $radius
, float $sigma
)
Parameters
-
radius
-
The radius of the Gaussian, in pixels, not counting the center pixel
-
sigma
-
The standard deviation of the Gaussian, in pixels
Return Values
The Gmagick object with charcoal simulation
Errors/Exceptions
Throws an
GmagickException on error.