Php/docs/gmagick.embossimage

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• Gmagick
• Returns a grayscale image with a three-dimensional effect

Gmagick::embossimage

(PECL gmagick >= Unknown)

Gmagick::embossimage — Returns a grayscale image with a three-dimensional effect

说明

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

Returns a grayscale image with a three-dimensional effect. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and it will choose a suitable radius for you.

参数

radius

The radius of the effect

sigma

The sigma of the effect

返回值

The embossed Gmagick object.

错误／异常

错误时抛出 GmagickException。