Add Chinese text and logo as overlay picture via mini_magick

add_text_picture.rb

# encoding: utf-8
require 'mini_magick'
image = MiniMagick::Image.open('origin.jpg')
image.combine_options do |c|
  c.font '/Library/Fonts/Songti.ttc'
  c.pointsize 38
  c.draw "text 360,145 'Ruby语言'"
  c.fill 'red'
end
outimage = image.composite(MiniMagick::Image.open('overlay.jpg')) do |c|
  c.compose 'Over'
  c.geometry '+246+90'
end
outimage.write('origin_output.jpg')
puts 'ok'