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Gmagick::charcoalimage

(PECL gmagick >= Unknown)

Gmagick::charcoalimageSimulates a charcoal drawing

说明

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

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

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