Imagick::charcoalImage

(PECL imagick 2.0.0)

Imagick::charcoalImage — Simulates a charcoal drawing

bool Imagick::charcoalImage ( float $radius , float $sigma )

Warning

本函数还未编写文档，仅有参数列表。

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

Returns TRUE on success.