80 lines
2.6 KiB
Haskell
80 lines
2.6 KiB
Haskell
{-# OPTIONS_HADDOCK ignore-exports #-}
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module Graphics.Diagram.Gtk where
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import Algebra.Vector
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import qualified Data.ByteString.Char8 as B
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import Data.List(find)
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import Diagrams.Backend.Cairo
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import Diagrams.Prelude
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import Graphics.Diagram.AlgoDiags
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import Graphics.Diagram.Core
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import Graphics.Diagram.Plotter
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import Parser.Meshparser
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-- |Data structure that holds an algorithm identifier and it's
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-- corresponding list of diagrams.
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newtype DiagAlgo = DiagAlgo { getDiagAlgo ::
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(Int -- the identifier for the algorithm
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, [Diag]) -- the diagrams making up this algorithm
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}
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-- |Introspective data structure holding all algorithms for the
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-- coordinate system.
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diagAlgos :: [DiagAlgo]
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diagAlgos =
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[DiagAlgo (0, [coordPointsText, coordPoints, plotterBG])
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,DiagAlgo (1, [convexHPText, convexHP, convexHLs, coordPoints, plotterBG])
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,DiagAlgo (2, [polyLines, coordPointsText, coordPoints, plotterBG])
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,DiagAlgo (3, [polyIntersectionText, polyIntersection,
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coordPoints, polyLines, plotterBG])
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,DiagAlgo (4, [quadPathSquare, squares, coordPointsText,
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coordPoints, plotterBG])
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,DiagAlgo (5, [kdRange, kdSquares, coordPointsText, coordPoints, plotterBG])
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,DiagAlgo (6, [monotonePolys, coordPointsText, polyTriCategorizedPoints,
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plotterBG])]
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-- |Introspective data structure holding all algorithms for the
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-- tree view.
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diagTreAlgos :: [DiagAlgo]
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diagTreAlgos =
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[DiagAlgo (4, [treePretty])
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,DiagAlgo (5, [kdTreeDiag])]
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-- |Create the Diagram from the points.
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diag :: DiagProp -> [DiagAlgo] -> [[P2 Double]] -> Diagram Cairo
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diag p das vts = maybe mempty (\x -> mkDiag x p vts)
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$ mconcat
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-- get the actual [Diag] array
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<$> (snd . getDiagAlgo)
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-- find the correct element from the [DiagAlgo] list
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-- which corresponds to the algorithm from DiagProp
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<$> find ((==) (algo p) . fst . getDiagAlgo) das
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-- |Create the Diagram from a String which is supposed to be the contents
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-- of an obj file.
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diagS :: DiagProp -> B.ByteString -> Diagram Cairo
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diagS p mesh =
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diag p diagAlgos
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. fmap (filterValidPT p)
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. (\x -> if null x then [meshToArr mesh] else x)
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. parseObj
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$ mesh
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-- |Create the tree diagram from a String which is supposed to be the contents
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-- of an obj file.
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diagTreeS :: DiagProp -> B.ByteString -> Diagram Cairo
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diagTreeS p mesh =
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diag p diagTreAlgos
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. fmap (filterValidPT p)
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. (\x -> if null x then [meshToArr mesh] else x)
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. parseObj
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$ mesh
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