# text_styles.rb

    #!/usr/local/bin/ruby18 -w
    require 'rvg/rvg'

    rvg = Magick::RVG.new(200, 100) do |canvas|
        canvas.background_fill = 'white'

        canvas.g.styles(:font_size=>16, :font_weight=>'normal', :font_style=>'normal') do |grp|
            grp.text( 30, 30, ":text_anchor=>'start'").styles(:text_anchor=>'start')
            grp.circle(1, 30, 30).styles(:stroke=>'red')
            grp.text(100, 50, ":text_anchor=>'middle'").styles(:text_anchor=>'middle')
            grp.circle(1, 100, 50).styles(:stroke=>'red')
            grp.text(170, 70, ":text_anchor=>'end'").styles(:text_anchor=>'end')
            grp.circle(1, 170, 70).styles(:stroke=>'red')
        end

        canvas.rect(199, 99).styles(:fill=>'none', :stroke=>'blue')
    end

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

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