grayscaleBars.frink

View or download grayscaleBars.frink in plain text format


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

fakewidth =!= dummy

g = new graphics
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
   }
}


View or download 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 17592 days, 15 hours, 43 minutes ago.