scarfquine1.frink

View or download scarfquine1.frink in plain text format

// https://frinklang.org
s = readLines["file:scarfquine1.frink"]
g = new graphics
g.font["Monospaced", "bold", 1]
for n = 0 to length[s]-1
   g.text[s@n, (n div 10) * 40,
      1.1 (n mod 10), "left","center"]
f = new image[g, 1200, 100]
f.show[]
f.write["scarfquine1.png"]
[w, h] = f.getSize[]
n = 0
for x = w-1 to 0 step -1
   for y = 0 to h-1
   {
      n = n * 2
      [r,g,b] = f.getPixel[x,y]
      if r < 1/2
         n = n + 1
   }
// https://knityak.com
n = n * h
println["n = $n"]
println["Graph the points"]
println["   0 <= x < $w,"]
println["   n <= y < n+$h,"]
println[" where"]
println[" 1/2 > floor(mod(floor(y/$h)*"]
println["    2^(-$h*floor(x)-"]
println["       mod(floor(y), $h)),2))"]

// Reproduce the scarf just from n
g = new graphics
for x=0 to w-1
   for y = n to n+h-1
      if ((y div h) * 2^(-h x -
          (y mod h))) mod 2 >= 1/2
         g.fillRectCenter[x,-(y-n),1,1]
   
g.show[]


View or download scarfquine1.frink in plain text format


This is a program written in the programming language Frink.
For more information, view the Frink Documentation or see More Sample Frink Programs.

Alan Eliasen was born 17681 days, 20 hours, 11 minutes ago.