Gmagick::edgeimage
(PECL gmagick >= Unknown)
Gmagick::edgeimage — Enhance edges within the image
说明
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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