OR Blend Mode

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--result := a OR b;
-- ******* OR mode *************
on ORBlendMode (image1, image2)
  theWidth = image1.width - 1
  theHeight = image1.height - 1
  theImage = image(theWidth + 1, theHeight + 1, 32)
  repeat with x = 0 to theWidth
    repeat with y = 0 to theHeight
      theColour1 = image1.getPixel(point(x,y), #integer)
      theColour2 = image2.getPixel(point(x,y), #integer)
      theNewColour = bitOr(theColour1, theColour2)
      theImage.setPixel(point(x, y), theNewColour)  
    end repeat
  end repeat
  return theImage
end