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Dieses Dokument verwendet PHP-Handbuch für chinesische Websites Freigeben
(PECL gmagick >= Unknown)
Gmagick::edgeimage — Enhance edges within the image
$radius
)Enhance edges within the image with a convolution filter of the given radius. Use radius 0 and it will be auto-selected.
radius
The radius of the operation.
The Gmagick object with edges enhanced.
错误时抛出 GmagickException。