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PHP - Manual: Gmagick::embossimage - 互联网笔记

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PHP - Manual: Gmagick::embossimage

2025-05-13

Gmagick::embossimage

(PECL gmagick >= Unknown)

Gmagick::embossimageReturns 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

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官方地址:https://www.php.net/manual/en/gmagick.embossimage.php

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