(PECL gmagick >= Unknown)
Gmagick::spreadimage — Randomly displaces each pixel in a block
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
锟斤拷锟斤拷时锟阶筹拷 GmagickException锟斤拷