Gmagick::charcoalimage

(PECL gmagick >= Unknown)

Gmagick::charcoalimageSimulates a charcoal drawing

˵��

public Gmagick::charcoalimage ( float $radius , float $sigma ) : Gmagick

Simulates a charcoal drawing.

����

radius

The radius of the Gaussian, in pixels, not counting the center pixel

sigma

The standard deviation of the Gaussian, in pixels

����ֵ

The Gmagick object with charcoal simulation

�����쳣

����ʱ�׳� GmagickException��