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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Bitmap-Midpoint-circle-algorithm/Haskell/bitmap-midpoint-circle-algorithm-3.hs Normal file
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module CircleBitmapExample where
import Circle
import Bitmap
import Control.Monad.ST
drawCircle :: (Color c) => Image s c -> c -> Point -> Int -> ST s (Image s c)
drawCircle image colour center radius = do
let pixels = map Pixel (generateCirclePoints center radius)
forM_ pixels $ \pixel -> setPix image pixel colour
return image