grayscaleBars.frink

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// Solution for RosettaCode program "Greyscale bars/Display"
// http://rosettacode.org/wiki/Greyscale_bars/Display

fakewidth =!= dummy

g = new graphics
g.antialiased[false]
drawBars[g, 0, 1, 0, 1/4, 8]
drawBars[g, 1, 0, 1/4, 1/2, 16]
drawBars[g, 0, 1, 1/2, 3/4, 32]
drawBars[g, 1, 0, 3/4, 1, 64]
g.show[100 percent]  // No portable fullscreen mode; user must maximize window.

drawBars[g is graphics, leftColor, rightColor, top, bottom, steps] :=
{
   colorStep = (rightColor - leftColor) / steps
   color = leftColor
   for i=0 to steps-1
   {
      g.color[color, color, color]
      g.fillRectSides[i/dummy/steps, top, (i+1)/dummy/steps, bottom]
      color = color + colorStep
   }
}


Download or view grayscaleBars.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 19965 days, 22 hours, 26 minutes ago.