imagick_charcoal
(PECL)
imagick_charcoal -- Highlight edges
Description
bool
imagick_charcoal ( resource image, float radius, float sigma )
Warning |
This function is
currently not documented; only the argument list is
available. |
Parameters
image
Image handle
radius
Radius of the pixel neighborhood
sigma
Standard deviation of the Gaussian in pixels
Return Values
Returns TRUE on success or FALSE on failure.