# polygon.rb

    #!/usr/local/bin/ruby18 -w
    require 'RMagick'

    imgl = Magick::ImageList.new
    imgl.new_image(290, 200, Magick::HatchFill.new('white','lightcyan2'))

    gc = Magick::Draw.new
    gc.stroke('blue').stroke_width(3)

    # Draw red 5-pointed star
    gc.fill('red')
    gc.polygon( 75,37.5,     89.5,80.5, 134.5,80.5,   98.5,107.5,
               111.5,150.5,  75,125,    38.5,150.5,   51.5,107.5,
               15.5,80.5,    60.5,80.5)
    # Draw green hexagon
    gc.fill('lime')
    gc.polygon(225,37.5,  279,68.75, 279,131.25,
               225,162.5, 171,131.3, 171,68.75)

    gc.draw(imgl)
    imgl.border!(1,1, "lightcyan2")

    imgl.write("polygon.gif")

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