Gmagick
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Gmagick::edgeimage

(PECL gmagick >= Unknown)

Gmagick::edgeimageEnhance edges within the image

说明

public Gmagick Gmagick::edgeimage ( float $radius )

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


Gmagick
PHP 手册