{-# OPTIONS -Wall #-}

module TableChains where


import Wumpus.Basic.Kernel
import Wumpus.Drawing.Chains
import Wumpus.Drawing.Colour.SVGColours

import Wumpus.Core                              -- package: wumpus-core

import System.Directory


main :: IO ()
main = do 
    createDirectoryIfMissing True "./out/"
    let pic1 = runCtxPictureU std_ctx table_drawing
    writeEPS "./out/table_chains01.eps" pic1
    writeSVG "./out/table_chains01.svg" pic1

table_drawing :: CtxPicture Double
table_drawing = drawTracing $ tableGraphic


tableGraphic :: (Real u, Floating u, FromPtSize u) 
             => TraceDrawing u ()
tableGraphic = do 
    draw $ filledDisk 3  `at` dstart
    draw $ filledDisk 3  `at` rstart
    zipchainWith (textline . show) [1..20::Int] downs
    zipchainWith (textline . show) [1..20::Int] rights
  where
    downs   = tableDown  4 (36,24) dstart
    rights  = tableRight 5 (36,24) rstart

    dstart  = P2 0   480
    rstart  = P2 240 480

 
std_ctx :: DrawingContext
std_ctx = fillColour peru $ standardContext 18