Imagick
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Imagick::charcoalImage

(PECL imagick 2.0.0)

Imagick::charcoalImageSimulates a charcoal drawing

说明

bool Imagick::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

成功时返回 TRUE


Imagick
PHP 手册