require 'rvg/rvg'
rvg = Magick::RVG.new(300, 100) do |canvas|
canvas.desc = "Example InitialCoords - SVG's initial coordinate system"
canvas.background_fill = 'white'
canvas.g.styles(:fill=>'none', :stroke=>'black', :stroke_width=>3) do |grp|
grp.line(0, 1.5, 300, 1.5)
grp.line(1.5, 0, 1.5, 100)
end
canvas.g.styles(:fill=>'red', :stroke=>'none') do |grp|
grp.rect(3, 3)
grp.rect(3, 3, 297, 0)
grp.rect(3, 3, 0, 97)
end
canvas.g.styles(:font_size=>14, :font_family=>'Verdana', :font_weight=>'normal', :font_style=>'normal') do |grp|
grp.text(10, 20, '(0,0)')
grp.text(240, 20, '(300,0)')
grp.text(10, 90, '(0,100)')
end
end
rvg.draw.write('InitialCoords.gif')