43 lines
1.2 KiB
Haskell
43 lines
1.2 KiB
Haskell
{-# OPTIONS_HADDOCK ignore-exports #-}
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module Graphics.Diagram.Gif where
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import Algebra.VectorTypes
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import Codec.Picture.Gif
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import Diagrams.Backend.Cairo
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import Diagrams.Prelude
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import Graphics.Diagram.Plotter
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import Graphics.Diagram.Types
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import Parser.Meshparser
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-- |Return a list of tuples used by 'gifMain' to generate an animated gif.
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gifDiag :: DiagProp -> [PT] -> [(Diagram Cairo R2, GifDelay)]
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gifDiag p xs =
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fmap ((\x -> (x, 100)) . (<> nonChDiag)) .
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flip (++)
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[mkDiag (convexHPText `mappend`
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convexHP)
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p xs <> lastUpperHull <> lastLowerHull] $
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(lowerHullList ++ ((<> lastLowerHull) <$> upperHullList))
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where
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upperHullList = convexUHStepsLs p xs
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lastUpperHull = last upperHullList
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lowerHullList = convexLHStepsLs p xs
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lastLowerHull = last lowerHullList
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-- add the x-axis and the other default stuff
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nonChDiag =
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mconcat .
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fmap (\x -> mkDiag x p xs) $
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[coordPoints,
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xAxis,
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yAxis,
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grid,
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whiteRectB]
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-- |Same as gifDiag, except that it takes a string containing the
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-- mesh file content instead of the the points.
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gifDiagS :: DiagProp -> MeshString -> [(Diagram Cairo R2, GifDelay)]
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gifDiagS p = gifDiag p . meshToArr
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