(PECL imagick 2.0.0)
Imagick::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.
radiusThe radius of the operation.
Întoarce TRUE în caz de succes.
Emite ImagickException în caz de eroare.