OpenCV.Core.Types.Mat.Repa

Documentation

data M (shape :: [DS Nat]) (channels :: Nat)

Representation tag for Repa Arrays for OpenCV Mats.

Instances

Storable depth => Source (M shape channels) depth

Associated Types

data Array (M shape channels) sh depth :: *

Methods

extent :: Shape sh => Array (M shape channels) sh depth -> sh

index :: Shape sh => Array (M shape channels) sh depth -> sh -> depth

unsafeIndex :: Shape sh => Array (M shape channels) sh depth -> sh -> depth

linearIndex :: Shape sh => Array (M shape channels) sh depth -> Int -> depth

unsafeLinearIndex :: Shape sh => Array (M shape channels) sh depth -> Int -> depth

deepSeqArray :: Shape sh => Array (M shape channels) sh depth -> b -> b

(Shape sh, Storable depth) => NFData (Array (M shape channels) sh depth)

Methods

rnf :: Array (M shape channels) sh depth -> ()

data Array (M shape channels)

data Array (M shape channels) = Array !(Mat (S [DS Nat] shape) (S Nat channels) (S * depth)) !(Ptr Word8) ![Int] ![Int]

type family DIM (n :: Nat) :: * where ...

Equations

DIM 0 = Z

DIM n = DIM (n - 1) :. Int

toRepa

Arguments

:: forall (shape :: [DS Nat]) (channels :: Nat) (depth :: *) (dims :: Nat) (sh :: *). (Storable depth, KnownNat channels, KnownNat dims, dims ~ Length shape, sh ~ DIM (dims + 1))

=> Mat (S shape) (S channels) (S depth)

-> Array (M shape channels) sh depth

Converts an OpenCV Matrix into a Repa array.

This is a zero-copy operation.