Gmagick::edgeimage

(PECL gmagick >= Unknown)

Gmagick::edgeimage — Enhance edges within the image

说明

public Gmagick::edgeimage ( float $radius ) : Gmagick

Enhance edges within the image with a convolution filter of the given radius. Use radius 0 and it will be auto-selected.

参数

radius

The radius of the operation.

返回值

The Gmagick object with edges enhanced.

错误／异常

错误时抛出 GmagickException。

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