require 'rvg/rvg'

Magick::RVG.dpi = 90

rvg = Magick::RVG.new(10.cm, 3.cm).viewbox(0,0,1000,300) do |canvas|
  canvas.background_fill = 'white'
  canvas.desc = "Example text01 - 'Hello, out there' in blue"
  canvas.text(250, 150, 'Hello, out there')
    .styles(:font_family=>'Verdana', :font_size=>55, :fill=>'blue', :font_weight=>'normal', :font_style=>'normal')
  canvas.circle(5, 250, 150).styles(:fill=>'red')

  # Show outline of canvas using 'rect' element
  canvas.rect(997, 297).styles(:fill=>'none', :stroke=>'blue')
end

rvg.draw.write('text01.gif')