45 lines
1.1 KiB
Haskell
45 lines
1.1 KiB
Haskell
module Diagram where
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import Defaults
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import Diagrams.Prelude
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import Diagrams.Backend.Cairo
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import Meshparser
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import Util
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instance Def DiagProp where
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def = defaultProp
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-- |Holds the properties for a Diagram, like thickness of 2d points etc.
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data DiagProp = MkProp {
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-- |Get the thickness of the dot.
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t :: Double
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}
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-- |The default properties of the Diagram.
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defaultProp :: DiagProp
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defaultProp = MkProp 2
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-- |Create the Diagram from the VTable.
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diagFromVTable :: DiagProp -> VTable -> Diagram Cairo R2
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diagFromVTable prop vt
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= position (zip (map mkPoint . filter (inRange 0 500) $ vt)
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(repeat dot)) # moveTo (p2(-250, -250))
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`atop` hrule 500 # centerX # moveTo (p2(0, -250))
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`atop` vrule 500 # centerY # moveTo (p2(-250, 0))
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`atop` square 550 # lwG 0.00 # bg white
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where dot = (circle $
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t prop :: Diagram Cairo R2) # fc black
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mkPoint (x,y) = p2 (x,y)
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-- |Create the Diagram from a String.
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diagFromString :: DiagProp -> String -> Diagram Cairo R2
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diagFromString prop mesh
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= diagFromVTable prop .
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meshToArr $
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mesh
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