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require 'rvg/rvg'
Magick::RVG.dpi = 90
rvg = Magick::RVG.new(12.cm, 4.cm) do |canvas|
canvas.viewbox(0, 0, 1200, 400)
canvas.background_fill = 'white'
canvas.desc = 'Example circle01 - circle filled with red and stroked with blue'
# Show outline of canvas using the 'rect' method
canvas.rect(1195, 395, 1, 1).styles(fill: 'none', stroke: 'blue', stroke_width: 2)
canvas.circle(100, 600, 200).styles(fill: 'red', stroke: 'blue', stroke_width: 10)
end
rvg.draw.write('circle01.gif')
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