# Use02.rb

    require 'rvg/rvg'

    Magick::RVG.dpi = 90

    rvg = Magick::RVG.new(10.cm, 3.5.cm).viewbox(0, 0, 100, 35) do |canvas|
        canvas.background_fill = 'white'
        canvas.desc = "Example Use02 - Chain 'styles' to 'use'"
        r = Magick::RVG::Group.new do |grp|
                grp.rect(60, 10).styles(:fill=>'yellow')
            end
        canvas.rect(99.6, 34.6, 0.1, 0.1).styles(:fill=>'none', :stroke=>'blue', :stroke_width=>0.2)

        # Since the rectangle specified the fill color the :fill style is ignored here.
        # However, since the rectangle did not specify a stroke color, the :stroke style
        # specified here is respected.
        canvas.use(r, 20, 5).styles(:fill=>'green', :stroke=>'red')
        canvas.use(r, 20, 20).styles(:fill=>'green', :stroke=>'blue')
    end

    rvg.draw.write('Use02.gif')

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