sugar_png

  SugarPNG.new do
    text "Hello\nWorld!", color: 'red'
    save "out.png"
  end

  SugarPNG.new do
    background 'red' # or :blue, or #ffee00, or :transparent (default)
    width 100
    height 50
    text "Hello World!", color: '#ffffff'
    save "out.png"
  end

  SugarPNG.new do
    border 1, :red
    border 1, :green
    border 1, :blue
    text '水水水'
    zoom 4

    save "out.png"
  end

  SugarPNG.new do
    bg :black  # shortcut for 'background'
    fg :white  # ditto
    width  100
    height 100
    200.times{ pixel(rand(100), rand(100)) }

    save "out.png"
  end

  SugarPNG.new do |img|
    img.depth = 16

    100.times do |y|
      100.times do |x|
        img[x, y] = [0, 65536*x/100, 0, 65535*y/100] # RGBA
      end
    end

    # 'export' returns PNG image data suitable for streaming to client
    # or manually saving to a file or do whatever you want 
    @data = img.export
  end

  SugarPNG.new do |img|
    # Ranges
    img[10...50, 10..20] = :blue
    # Array + Enumerator
    img[[1, 2, 4, 8, 16, 32], 0.step(50, 2)] = :red
    img.zoom = 2 
  end.save("out.png")