# writing_mode02.rb

    require 'rvg/rvg'

    Magick::RVG.dpi = 90

    TEXT_STYLES = {:writing_mode=>'lr',
                   :glyph_orientation_horizontal=>0,
                   :fill=>'red4',
                   :font_weight=>'bold',
                   :font_size=>16}

    TEXT_STYLES2 = {:writing_mode=>'lr',
                   :glyph_orientation_horizontal=>180,
                   :fill=>'green',
                   :font_weight=>'bold',
                   :font_size=>16}

    rvg = Magick::RVG.new(3.in, 1.in).viewbox(0,0,300,100) do |canvas|
        canvas.background_fill = 'white'

        canvas.text(15, 40, ":glyph_orientation_horizontal=0").styles(TEXT_STYLES)
        canvas.text(15, 80, ":glyph_orientation_horizontal=180").styles(TEXT_STYLES2)

        canvas.rect(299, 99).styles(:fill=>'none',:stroke=>'blue')
    end

    rvg.draw.write('writing_mode02.gif')

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