#!/usr/bin/python

    from gpiozero import Button as BTN
    from gpiozero import LED
    from picamera import PiCamera
    from time import gmtime, strftime, sleep
    from Tkinter import *
    from PIL import Image, ImageTk, ImageEnhance, ImageDraw, ImageFont
    from cups import *
    from io import BytesIO
    import os

    Exit_Program_btn = BTN(23)
    take_picture_btn = BTN(25)
    led = LED(8)
    output = " "
    latest_photo = '/home/pi/allseeingpi/latest.jpg'
    Temp_Pic = '/home/pi/allseeingpi/temp_pic.jpg'
    montage_file = '/home/pi/allseeingpi/montage.jpg'
    photo_banner = '/home/pi/allseeingpi/Photo_Bottom.jpg'
    Status = "Press button to start" #21

    def Exit_Program():
        camera.stop_preview()
        led.off()
        root.destroy()
        print("Tkinter window closed")

    def take_picture():
        global output
        global Temp_Pic
        global latest_photo
        global i

        #get the number from the text file and overwrite it to the next number
        num = open('/home/pi/allseeingpi/number.txt','r')
        numb = int(num.read())
        num.close()
        numbe = open('/home/pi/allseeingpi/number.txt','w')
        numbe.write(str(numb+1))
        numbe.close()

        #set the output file location and name
        output = "/home/pi/allseeingpi/image-" + str(numb) + ".png"

        #Capture picture and save to Temp_Pic
        camera.capture(Temp_Pic)
        if i==4:
            camera.stop_preview()
            led.off()

        #resize the image for keeps and montage
        tn_size = 516, 344
        #size = 1800, 1200
        jpg_img1 = Image.open(Temp_Pic)#, resize = tn_size)
        jpg_img = jpg_img1.crop((0,108,2592,1836))
        jpg_img1.close()
        #jpg_img.resize(size, Image.BICUBIC)
        jpg_tbn = jpg_img.resize(tn_size, Image.BICUBIC)
        jpg_tbn.save(latest_photo, 'jpeg')
        jpg_img.save(output, 'jpeg')
        jpg_img.close()
        jpg_tbn.close()


    def montage_pics():
        global montage_file
        global i
        global latest_photo

        #gap = 42, img_width = 516, img_height = 344
        x_offset = 687#42
        x_offset1 = 1287#642
        y_offset = 42*i+344*(i-1)
        y_offset1 = 42*(i+1)+344*i

        montage = Image.open(montage_file)
        latest_pic = Image.open(latest_photo)

        montage.paste(latest_pic, (x_offset, y_offset))
        montage.paste(latest_pic, (x_offset1, y_offset))
        if i==4:
            pic_bottom = Image.open(photo_banner)
            montage.paste(pic_bottom, (x_offset, y_offset1))
            montage.paste(pic_bottom, (x_offset1, y_offset1))
            enhancer = ImageEnhance.Brightness(montage)
            montage = enhancer.enhance(1.4)
        montage.save(montage_file)
        montage.close()

    def printPhoto():
        conn = Connection()
        printers = conn.getPrinters()
        printer_name = printers.keys()[0]
        conn.printFile(printer_name,montage_file,"TITLE",{})
        sleep(80)#should be 90sec
        #conn.cancelAllJobs(name = 'Canon_MG6100_series')
        os.system('/home/pi/allseeingpi/Restart_Cups.sh')
        sleep(5)

    def picture_sequence():
        global i
        global Status
        global var

        camera.start_preview()
        led.on()

        for x in range(4):
            i = int(x) + 1
            if x <= 2:
                pip = camera.add_overlay(Image.open('/home/pi/allseeingpi/3g.jpg').tobytes(), size = (128,192), window = (500, 150, 128, 192), format='rgb', layer = 3, alpha=128, fullscreen = False)#size=(840, 560),format='rgb', window = (100, 100, 128,192), fullscreen = False,
                Status = " Picture " + str(i) + " of 4" #22
                var.set(Status)
                sleep(0.5)
                pip.update((Image.open('/home/pi/allseeingpi/2g.jpg')).tobytes())
                #Status = " Picture " + str(i) + " of 4 in 2s " #22
                var.set(Status)
                sleep(0.5)
                pip.update((Image.open('/home/pi/allseeingpi/1g.jpg')).tobytes())
                #Status = " Picture " + str(i) + " of 4 in 1s " #22
                var.set(Status)
                sleep(0.5)
                camera.remove_overlay(pip)
                pip.close()
                Status = "    Processing...    "#21
                var.set(Status)
                take_picture()
                montage_pics()
            else:
                pip = camera.add_overlay(Image.open('/home/pi/allseeingpi/3g.jpg').tobytes(), size = (128,192), window = (500, 150, 128, 192), format='rgb', layer = 3, alpha=128, fullscreen = False)#size=(840, 560),format='rgb', window = (100, 100, 128,192), fullscreen = False,
                Status = " Picture " + str(i) + " of 4" #22
                var.set(Status)
                sleep(0.5)
                pip.update((Image.open('/home/pi/allseeingpi/2g.jpg')).tobytes())
                #Status = " Picture " + str(i) + " of 4 in 2s " #22
                var.set(Status)
                sleep(0.5)
                pip.update((Image.open('/home/pi/allseeingpi/1g.jpg')).tobytes())
                #Status = " Picture " + str(i) + " of 4 in 1s " #22
                var.set(Status)
                sleep(0.5)
                camera.remove_overlay(pip)
                pip.close()
                Status = "    Processing...    "#21
                var.set(Status)
                take_picture()
                Status = "Compiling and Printing" #22
                var.set(Status)
                montage_pics()
                printPhoto()
                Status = "Press button to start" #21
                var.set(Status)

    Exit_Program_btn.when_pressed = Exit_Program
    take_picture_btn.when_pressed = picture_sequence

    camera = PiCamera()
    camera.resolution = (2592, 1944) #Pic taken at full res to allow full preview
    camera.hflip = True
    camera.awb_mode = 'auto'
    camera.preview_fullscreen = False
    camera.preview_window = (155, 3, 840, 560)#825, 550)#(210, 150, 600, 400)

    class Window(Frame):

        # Define settings upon initialization. Here you can specify
        def __init__(self, master=None):

            # parameters that you want to send through the Frame class.
            Frame.__init__(self, master)

            #reference to the master widget, which is the tk window
            self.master = master

            #with that, we want to then run init_window, which doesn't yet exist
            self.init_window()

        def init_window(self):

            # changing the title of our master widget
            self.master.title("GUI")

            # allowing the widget to take the full space of the root window
            self.pack(fill=BOTH, expand=1)

            #Load and place background image
            load = Image.open("/home/pi/allseeingpi/background.jpg")
            render = ImageTk.PhotoImage(load)
            img = Label(self, image=render)
            img.image = render
            img.place(x=0, y=0)
            load.close()

            #Create text variable to update status to user
            txt = Label(root, textvariable=var, justify=RIGHT, bg="white", font=("Courier", 32))#, wraplength=398) anchor=S, padx = 1000, justify=CENTER,
            txt.place(x=290, y=550)
            #txt.pack()

            var.set(Status)

    root = Tk()
    root.geometry("1024x600")

    var = StringVar(root, value=" ")
    app = Window(root)
    root.overrideredirect(True) #no borders
    root.config(cursor="none")

    root.mainloop()