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63 lines
2.1 KiB
Haskell
Executable file
63 lines
2.1 KiB
Haskell
Executable file
#!/usr/bin/env stack
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-- stack runghc --package reanimate
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{-# LANGUAGE OverloadedStrings #-}
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module Main (main) where
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import Control.Lens
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import Graphics.SvgTree
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import Reanimate
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main :: IO ()
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main = reanimate $ playThenReverseA $ mkAnimation 5 $ \t ->
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let s = fromToS 0 1.5 $ curveS 2 t in
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mkGroup
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[ mkBackground "black"
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, FilterTree $ mkFilter "blur"
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[FEGaussianBlur $ defaultSvg
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& gaussianBlurStdDeviationX .~ Num dev
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& filterResult ?~ "blur"
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] & filterWidth .~ pure (Percent 3)
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& filterX .~ pure (Percent (-1))
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& filterHeight .~ pure (Percent 3)
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& filterY .~ pure (Percent (-1))
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, FilterTree $ mkFilter "goo"
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[FEGaussianBlur $ defaultSvg
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& gaussianBlurStdDeviationX .~ Num dev
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& filterResult ?~ "blur"
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,FEColorMatrix $ defaultSvg
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& colorMatrixType .~ Matrix
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& colorMatrixValues .~ "1 0 0 0 0 \
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\0 1 0 0 0 \
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\0 0 1 0 0 \
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\0 0 0 " ++ show (sharpness*2) ++ " -" ++ show sharpness
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& filterResult .~ pure "goo"
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,FEComposite $ defaultSvg
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& compositeIn .~ pure SourceGraphic
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& compositeIn2 .~ pure (SourceRef "goo")
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& compositeOperator .~ CompositeAtop
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] & filterWidth .~ pure (Percent 3)
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& filterX .~ pure (Percent (-1))
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& filterHeight .~ pure (Percent 3)
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& filterY .~ pure (Percent (-1))
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, translate 0 (radius*2.2) $ withFillColor "red" $ mkGroup
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[ translate (s*(-radius)) 0 circ
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, translate (s*radius) 0 circ
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]
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, withFillColor "red" $ mkGroup
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[ translate (s*(-radius)) 0 circ
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, translate (s*radius) 0 circ
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] & filterRef .~ pure (Ref "blur")
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, translate 0 (-radius*2.2) $ withFillColor "red" $ mkGroup
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[ translate (s*(-radius)) 0 circ
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, translate (s*radius) 0 circ
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] & filterRef .~ pure (Ref "goo")
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]
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where
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sharpness = 10 :: Integer
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dev = 0.2
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radius = 1
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circ = mkCircle radius
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mkFilter :: String -> [FilterElement] -> Filter
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mkFilter ident fe = defaultSvg & filterChildren .~ fe & attrId ?~ ident
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