Php/docs/gmagick.charcoalimage
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Gmagick::charcoalimage
(PECL gmagick >= Unknown)
Gmagick::charcoalimage — Simulates 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。