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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PECL gmagick >= Unknown)
Gmagick::spreadimage — Randomly displaces each pixel in a block
$radius
)Special effects method that randomly displaces each pixel in a block defined by the radius parameter.
radius
Choose a random pixel in a neighborhood of this extent.
The Gmagick object on success
错误时抛出 GmagickException。