from Tkinter import *
import tkFileDialog
from picture import *
from PIL import ImageTk
import image_manipulation

def quit(window):
    window.destroy()
    
def save_file(window):
    photo = c_pic.save_pic.get_image()
    filename = tkFileDialog.asksaveasfilename()
    photo.save(filename + '.bmp')
    
def open_file(window):   
    pic = make_picture(pick_a_file())
    photo = ImageTk.PhotoImage(pic.get_image())

    w.create_image(320,400, image = photo)    

def rotate_callback():
    top = Toplevel()
    top.minsize(width=100, height=100)
    top.title("Rotate Image")
    rotate_method = StringVar()
    degrees = IntVar()
    cw = Radiobutton (top, text="cw", variable=rotate_method, \
                                   value="cw", justify=CENTER)
    cw.grid(row=0, column=0)
    ccw = Radiobutton (top, text="ccw", variable=rotate_method, \
                                   value="ccw", justify=CENTER)
    ccw.grid(row=0, column=1)  
    rotate_label = Label (top, text="Degrees")
    rotate_label.grid(row=1, column=0)
    rotate_entry = Entry(top, textvariable=degrees)
    rotate_entry.grid(row=1, column=1)
    ok_button = Button (top, text="Ok", command=lambda: process_rotate \
                        (rotate_method, degrees), padx=12)
    ok_button.grid(row=2, column=1)

def process_rotate(rotate_method, degrees):
    method = rotate_method.get()
    degrees = degrees.get()
    if method == "cw":
        degrees = degrees * -1
        
    pic = c_pic.save_pic.get_image() 
    new_pic = image_manipulation.rotate(pic, degrees)
    photo = ImageTk.PhotoImage(new_pic.get_image())
    c_pic.config(image=photo)
    c_pic.config(width=photo.width())
    c_pic.config(height=photo.height())
    c_pic.image = photo
    c_pic.save_pic = new_pic

def mirror_callback():
    pic = c_pic.save_pic
    new_pic = image_manipulation.mirror(pic)
    photo = ImageTk.PhotoImage(new_pic.get_image())
    c_pic.config(image=photo)
    c_pic.config(width=photo.width())
    c_pic.config(height=photo.height())
    c_pic.image = photo
    c_pic.save_pic = new_pic

def greyscale_callback():
    pic = c_pic.save_pic
    new_pic = image_manipulation.grey_scale(pic)
    photo = ImageTk.PhotoImage(new_pic.get_image())
    c_pic.config(image=photo)
    c_pic.config(width=photo.width())
    c_pic.config(height=photo.height())
    c_pic.image = photo
    c_pic.save_pic = new_pic
    
def redeye_callback():
    pic = c_pic.save_pic
    new_pic = image_manipulation.red_eye(pic)
    photo = ImageTk.PhotoImage(new_pic.get_image())
    c_pic.config(image=photo)
    c_pic.config(width=photo.width())
    c_pic.config(height=photo.height())
    c_pic.image = photo
    c_pic.save_pic = new_pic
    
def crop_callback():
    #Starts a new windows (TopLevel) and calls layout (see below)
    temp_win = Toplevel()
    temp_win.minsize(width=80, height=100)
    temp_win.title("Crop Image")
    crop_layout(temp_win)

def crop_layout(temp_win):
    # Builds layout of the window and sends info to "Process Crop" fn see below
    crop_left=IntVar()
    crop_right=IntVar()
    crop_top=IntVar()
    crop_bottom=IntVar()
    left_label = Label (temp_win, text="Left")
    left_label.grid(row=0, column=0)
    right_label = Label (temp_win, text="right")
    right_label.grid(row=1, column=0)
    top_label = Label (temp_win, text="Top")
    top_label.grid(row=2, column=0)
    bottom_label = Label (temp_win, text="Bottom")
    bottom_label.grid(row=3, column=0)
    left = Entry (temp_win, textvariable=crop_left)
    left.grid(row=0, column=1)
    right = Entry (temp_win, textvariable=crop_right)
    right.grid(row=1, column=1)
    top = Entry(temp_win, textvariable=crop_top)
    top.grid(row=2, column=1)
    bottom = Entry(temp_win,textvariable=crop_bottom)
    bottom.grid(row=3, column=1)
    ok_button = Button (temp_win, text="Ok", command=lambda: process_crop\
                        (crop_left,crop_right, crop_bottom,crop_top), padx=12)
    ok_button.grid(row=4, column=1)

def process_crop (crop_left, crop_right, crop_bottom, crop_top):
    pic = c_pic.save_pic
    new_pic = image_manipulation.crop_image(pic, crop_left, crop_right,\
                                            crop_top, crop_bottom)
    photo = ImageTk.PhotoImage(new_pic.get_image())
    c_pic.config(image=photo)
    c_pic.config(width=photo.width())
    c_pic.config(height=photo.height())
    c_pic.image = photo
    c_pic.save_pic = new_pic

def sharpness_callback():
    top = Toplevel()
    top.minsize(width=100, height=100)
    top.title("Sharpness Mod")
    factor_label = Label (top, text="factor")
    factor_label.grid(row=0,column=0)
    factor = DoubleVar()
    factor_entry = Entry (top, textvariable=factor)
    factor_entry.grid(row=0, column=1)
    ok_button = Button
    ok_button = Button (top, text="Ok", command=lambda: process_sharpness \
                        (factor), padx=12)
    ok_button.grid(row=1, column=1)
    
def process_sharpness(factor):
    pic = c_pic.save_pic
    new_pic = image_manipulation.sharpness(pic,factor.get())
    photo = ImageTk.PhotoImage(new_pic.get_image())
    c_pic.config(image=photo)
    c_pic.config(width=photo.width())
    c_pic.config(height=photo.height())
    c_pic.image = photo
    c_pic.save_pic = new_pic     

def contrast_callback():
    top = Toplevel()
    top.minsize(width=100, height=100)
    top.title("Contrast Mod")
    factor_label = Label (top, text="factor")
    factor_label.grid(row=0,column=0)
    factor = DoubleVar()
    factor_entry = Entry (top, textvariable=factor)
    factor_entry.grid(row=0, column=1)
    ok_button = Button
    ok_button = Button (top, text="Ok", command=lambda: process_sharpness \
                        (factor), padx=12)
    ok_button.grid(row=1, column=1)

def contrast_process():
    pic = c_pic.save_pic
    new_pic = image_manipulation.contrast(pic,factor.get())
    photo = ImageTk.PhotoImage(new_pic.get_image())
    c_pic.config(image=photo)
    c_pic.config(width=photo.width())
    c_pic.config(height=photo.height())
    c_pic.image = photo
    c_pic.save_pic = new_pic     

def resize_callback():
    temp_win = Toplevel()
    temp_win.minsize(width=100, height=100)
    temp_win.title("Resize Image")
    width=IntVar()
    height=IntVar()
    width_label = Label (temp_win, text="width")
    width_label.grid(row=0, column=0)
    height_label = Label (temp_win, text="heights")
    height_label.grid(row=1, column=0)
    width_entry = Entry(temp_win, textvariable=width)
    width_entry.grid(row=0, column=1)
    height_entry = Entry(temp_win,textvariable=height)
    height_entry.grid(row=1, column=1)
    ok_button = Button (temp_win, text="Ok", command=lambda: process_resize\
                        (width, height), padx=12)
    ok_button.grid(row=2, column=1)
    
def process_resize(width, height):
    pic = c_pic.save_pic
    new_pic = image_manipulation.resize(pic, width.get(), height.get())
    photo = ImageTk.PhotoImage(new_pic.get_image())
    c_pic.config(image=photo)
    c_pic.config(width=photo.width())
    c_pic.config(height=photo.height())
    c_pic.image = photo
    c_pic.save_pic = new_pic
    
if __name__ == '__main__':
    window = Tk()
    window.minsize(740,640)
    window.title("Image Tweak v1.0")
    frame = Frame (window)
    frame.pack(side=TOP, fill=X)
    
    menubar = Menu(window)
    filemenu = Menu(menubar)
    open_command = lambda : open_file(window)
    filemenu.add_command(label="Open", command=open_command)
    save_command = lambda : save_file(window)
    filemenu.add_command(label="Save", command=save_command)
    quit_command = lambda : quit(window)
    filemenu.add_command(label="Quit", command=quit_command)
    menubar.add_cascade(label="File", menu=filemenu)
        
    window.config(menu=menubar)
    
    b1 = Button(frame, text="rotate", width=6, command=rotate_callback)
    b1.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b2 = Button(frame, text="Grey Scale", width=6, command=greyscale_callback)
    b2.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b3 = Button(frame, text="Mirror Image", width=6, command=mirror_callback)
    b3.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b4 = Button(frame, text="Remove RedEye", width=6, command=redeye_callback)
    b4.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b5 = Button(frame, text="Crop", width=6, command=crop_callback)
    b5.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b6 = Button(frame, text="Resize", width=6, command=resize_callback)
    b6.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b7 = Button(frame, text="Sharpness", width=6, command=sharpness_callback)
    b7.pack(side=LEFT, padx=1, fill=BOTH, expand=1)
    b8 = Button(frame, text="Contrast", width=6, command=contrast_callback)
    b8.pack(side=LEFT, padx=1, fill=BOTH, expand=1)

    w = Canvas(window, width=200, height=100)
    w.pack()
   
    scrollbar_y = Scrollbar (window)
    scrollbar_y.pack(side=RIGHT, fill=Y)
    scrollbar_x = Scrollbar (window)
    scrollbar_x.pack(side=BOTTOM, fill=X)    
    scrollbar_x.config(orient=HORIZONTAL)
    window.config(menu=menubar)
    
    window.mainloop()