= Unknown)Gmagick::edgeimage — Enhance edges within the image說明public Gmagick::edgeimage(float $radius): GmagickEnhan">

Gmagick::edgeimage

(PECL gmagick >= Unknown)

Gmagick::edgeimageEnhance edges within the image

說明

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.

參數(shù)

radius

The radius of the operation.

返回值

The Gmagick object with edges enhanced.

錯誤/異常

錯誤時拋出 GmagickException。