Gmagick::charcoalimage

(PECL gmagick >= Unknown)

Gmagick::charcoalimage — Simulates a charcoal drawing

说明

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

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。