script

#!/usr/bin/env ruby

require 'net/http'
require 'twitter'

client = Twitter::REST::Client.new do |config|
  config.consumer_key        = "YOUR_CONSUMER_KEY"
  config.consumer_secret     = "YOUR_CONSUMER_SECRET"
  config.access_token        = "YOUR_ACCESS_TOKEN"
  config.access_token_secret = "YOUR_ACCESS_SECRET"
end

# get id
user = IO.popen("whoami", "r+").gets.chomp
program = ARGV[0].to_s
idfile = "/Users/#{user}/Library/Gyazo/id"
old_idfile = File.dirname(program) + "/gyazo.app/Contents/Resources/id"

id = ''
if File.exist?(idfile) then
  id = File.read(idfile).chomp
elsif File.exist?(old_idfile) then
  id = File.read(old_idfile).chomp
end

# capture png file
tmpfile = "/tmp/image_upload#{$$}.png"
imagefile = ARGV[1]
sound_file = File.dirname(program) + "/shutter.aiff"

if imagefile && File.exist?(imagefile) then
  system "sips -s format png \"#{imagefile}\" --out \"#{tmpfile}\""
else
  system "screencapture -x -i \"#{tmpfile}\""
  if File.exist?(tmpfile) then
    system "afplay #{sound_file}"
    system "sips -d profile --deleteColorManagementProperties \"#{tmpfile}\""  
    dpiWidth    = `sips -g dpiWidth "#{tmpfile}" | awk '/:/ {print $2}'`
    dpiHeight   = `sips -g dpiHeight "#{tmpfile}" | awk '/:/ {print $2}'`
    pixelWidth  = `sips -g pixelWidth "#{tmpfile}" | awk '/:/ {print $2}'`
    pixelHeight = `sips -g pixelHeight "#{tmpfile}" | awk '/:/ {print $2}'`
    if (dpiWidth.to_f > 72.0 and dpiHeight.to_f > 72.0) then
        width  =  pixelWidth.to_f * 72.0 / dpiWidth.to_f
        height =  pixelHeight.to_f* 72.0 / dpiHeight.to_f
        system "sips -s dpiWidth 72 -s dpiHeight 72 -z #{height} #{width} \"#{tmpfile}\""
    end
  end
end

if !File.exist?(tmpfile) then
  exit
end

res = client.update_with_media('', File.open(tmpfile))
display_url = res.attrs[:entities][:media][0][:display_url]
url = "http://#{display_url}"
File.delete(tmpfile)

IO.popen("pbcopy","r+") do |io|
  io.write url
  io.close
end

system "open #{url}"