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 tspan01 - using tspan to change visual attributes'
  canvas.g.styles(:font_family=>'Verdana', :font_size=>45) do |grp|
    grp.text(200, 150, 'You are').styles(:fill=>'blue') do |txt|
      txt.tspan(' not').styles(:font_weight=>'bold', :fill=>'red')
      txt.tspan(' a banana')
    end
  end
  canvas.rect(997, 297).styles(:fill=>'none', :stroke=>'blue')
end

rvg.draw.write('tspan01.gif')