75 lines
2.2 KiB
Haskell
75 lines
2.2 KiB
Haskell
{-# OPTIONS_HADDOCK ignore-exports #-}
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module Graphics.Diagram.Gtk where
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import Algebra.Vector(PT)
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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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data DiagAlgo = DiagAlgo {
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algoNum :: Int, -- the identifier for the algorithm
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getDiags :: [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, polyLines, plotterBG]
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,DiagAlgo 5 [kdRange, kdSquares, coordPointsText, coordPoints, 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] -> [[PT]] -> Diagram Cairo R2
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diag p das vts = maybe mempty (\x -> mkDiag x p vts)
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$ mconcat
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<$> getDiags
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<$> find (\(DiagAlgo x _) -> x == algo p) 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 R2
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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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. facesToArr
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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 R2
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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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. facesToArr
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$ mesh
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