generate sequential images of numbers

gistfile1.rb

require 'RMagick'
include Magick

width       = 500
height      = 500

start_color = "#333"
end_color   = "#000"
fill = Magick::GradientFill.new(0, 0, height, height, start_color, end_color)

100.times do |t|
  img  = Magick::Image.new(width, height, fill)
  title = Draw.new
  title.annotate(img, 0, 0, 0, 0, t.to_s) {
      self.gravity      = CenterGravity
      self.pointsize    = 250
      self.fill         = 'white'
  }
  img.write("#{t}.png")
  
end