The Imagick class
PHP 手册

Imagick::charcoalImage

(PECL imagick 2.0.0)

Imagick::charcoalImage — Simulates a charcoal drawing

说明

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

本函数暂无文档，仅有参数列表。

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

Returns TRUE on success.

The Imagick class
PHP 手册