# text_align.rb

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

    # Demonstrate the Draw#text_align method

    canvas = Magick::Image.new(200, 100)
    gc = Magick::Draw.new

    # Draw three samples of text, each using
    # a different alignment constant. Put the
    # samples on different points on the y-axis
    # so we can tell them apart.
    gc.stroke('transparent')
    gc.pointsize(16)
    gc.fill('red')
    gc.text_align(Magick::RightAlign)
    gc.text(100, 30,  'RightAlign')
    gc.fill('blue')
    gc.text_align(Magick::CenterAlign)
    gc.text(100, 50, 'CenterAlign')
    gc.fill('green')
    gc.text_align(Magick::LeftAlign)
    gc.text(100, 70, 'LeftAlign')

    # Now draw lines to show the points
    # to which each sample is aligned.
    gc.stroke('gray50')
    gc.line(100, 10, 100, 90)
    gc.line( 98, 30, 102, 30)
    gc.line( 98, 50, 102, 50)
    gc.line( 98, 70, 102, 70)

    gc.draw(canvas)
    canvas.border!(1,1,'gray50')
    canvas.write('text_align.gif')
    exit

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