Python Tkinter.NW Examples

def Load_Flair(self, event=None):
        self.Flairfilename = filedialog.askopenfilename()
        nib_vol = nib.load(self.Flairfilename)
        self.affine = nib_vol.affine
        self.Flair_vol = nib_vol.get_data()

        mid_slice = self.Flair_vol.shape[2]//2

        true_size = self.Flair_vol.shape[:2]
        size = (self.Flair_canvas.winfo_width(), self.Flair_canvas.winfo_height())
        size = (size[0], int(true_size[0]/true_size[1])*size[1]) if size[0] < size[1] else (int(true_size[1]/true_size[0])*size[0], size[1])


        self.Flair_canvas_image = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(plot_normalize(self.Flair_vol[:,:,mid_slice].T)).resize(size))
        self.Flair_canvas.create_image(0, 0, image=self.Flair_canvas_image, anchor=tk.NW)
        self.update_main_view(self.Flair_vol, self.Flair_vol.shape[0]//2, self.Flair_vol.shape[1]//2, self.Flair_vol.shape[2]//2)
        self.init_scales(self.Flair_vol) 

def set_canvas_background(self, image):
        if self.background_label is None:
            # initialize background image label (first call)
            #img = self.current_state.screenshot_rs
            #bg_img_tk = numpy_to_tk_image(np.zeros(img.shape))
            img_heatmap = self._generate_heatmap()
            img_heatmap_rs = ia.imresize_single_image(img_heatmap, (img_heatmap.shape[0]*self.zoom_factor, img_heatmap.shape[1]*self.zoom_factor), interpolation="nearest")
            bg_img_tk = numpy_to_tk_image(img_heatmap_rs)
            self.background_label = Tkinter.Label(self.canvas, image=bg_img_tk)
            self.background_label.place(x=0, y=0, relwidth=1, relheight=1, anchor=Tkinter.NW)
            self.background_label.image = bg_img_tk

        #print("image size", image.shape)
        #print("image height, width", image.to_array().shape)
        image_rs = ia.imresize_single_image(image, (image.shape[0]*self.zoom_factor, image.shape[1]*self.zoom_factor), interpolation="nearest")
        image_tk = numpy_to_tk_image(image_rs)
        self.background_label.configure(image=image_tk)
        self.background_label.image = image_tk 

def set_canvas_background(self, image):
        if self.background_label is None:
            # initialize background image label (first call)
            #img = self.current_state.screenshot_rs
            #bg_img_tk = numpy_to_tk_image(np.zeros(img.shape))
            img_heatmap = self._generate_heatmap()
            img_heatmap_rs = ia.imresize_single_image(img_heatmap, (img_heatmap.shape[0]*self.zoom_factor, img_heatmap.shape[1]*self.zoom_factor), interpolation="nearest")
            bg_img_tk = numpy_to_tk_image(img_heatmap_rs)
            self.background_label = Tkinter.Label(self.canvas, image=bg_img_tk)
            self.background_label.place(x=0, y=0, relwidth=1, relheight=1, anchor=Tkinter.NW)
            self.background_label.image = bg_img_tk

        #print("image size", image.shape)
        #print("image height, width", image.to_array().shape)
        image_rs = ia.imresize_single_image(image, (image.shape[0]*self.zoom_factor, image.shape[1]*self.zoom_factor), interpolation="nearest")
        image_tk = numpy_to_tk_image(image_rs)
        self.background_label.configure(image=image_tk)
        self.background_label.image = image_tk 

def set_canvas_background(self, image):
        if self.background_label is None:
            # initialize background image label (first call)
            #img = self.current_state.screenshot_rs
            #bg_img_tk = numpy_to_tk_image(np.zeros(img.shape))
            img_heatmap = self._generate_heatmap()
            img_heatmap_rs = ia.imresize_single_image(img_heatmap, (img_heatmap.shape[0]*ZOOM_FACTOR, img_heatmap.shape[1]*ZOOM_FACTOR), interpolation="nearest")
            bg_img_tk = numpy_to_tk_image(img_heatmap_rs)
            self.background_label = Tkinter.Label(self.canvas, image=bg_img_tk)
            self.background_label.place(x=0, y=0, relwidth=1, relheight=1, anchor=Tkinter.NW)
            self.background_label.image = bg_img_tk

        #print("image size", image.shape)
        #print("image height, width", image.to_array().shape)
        image_rs = ia.imresize_single_image(image, (image.shape[0]*ZOOM_FACTOR, image.shape[1]*ZOOM_FACTOR), interpolation="nearest")
        image_tk = numpy_to_tk_image(image_rs)
        self.background_label.configure(image=image_tk)
        self.background_label.image = image_tk 

def draw_image(self, imgpil):
    self.root.photo1 = _ImageTk.PhotoImage(image=imgpil)  # not file=imgpath
    (scrwide, scrhigh) = self.root.maxsize()  # wm screen size x,y
    scrhigh -= 200  # leave room for top display/button at max photo size
    imgwide = self.root.photo1.width()  # size in pixels
    imghigh = self.root.photo1.height()  # same as imgpil.size
    
    fullsize = (0, 0, imgwide, imghigh)  # scrollable
    viewwide = min(imgwide, scrwide)  # viewable
    viewhigh = min(imghigh, scrhigh)
    
    self.canvas1.delete('all')  # clear prior photo
    self.canvas1.config(height=viewhigh, width=viewwide)  # viewable window size
    self.canvas1.config(scrollregion=fullsize)  # scrollable area size
    
    self.root.img = self.canvas1.create_image(0, 0, image=self.root.photo1,
                                              anchor=_Tk.NW)
    
    if imgwide <= scrwide and imghigh <= scrhigh:  # too big for display?
      self.root.state('normal')  # no: win size per img
    elif (_sys.platform)[:3] == 'win':
      # do windows fullscreen
      self.root.state('zoomed')  # others use geometry( ) 

def _write(self, ch, fg, bg):
        if self.x == self.width:
            self.x = 0
            self.y+=1
            if self.y == self.height:
                [self.canvas.move(x,0,-fontHeight) for x in self.canvas.find_all()]
                self.y-=1
        canvasX = self.x*fontWidth + 1
        canvasY = self.y*fontHeight + 1
        items = self.canvas.find_overlapping(canvasX, canvasY, canvasX+2, canvasY+2)
        if items:
            [self.canvas.delete(item) for item in items]
        if bg:
            self.canvas.create_rectangle(canvasX, canvasY, canvasX+fontWidth-1, canvasY+fontHeight-1, fill=bg, outline=bg)
        self.canvas.create_text(canvasX, canvasY, anchor=Tkinter.NW, font=ttyFont, text=ch, fill=fg)
        self.x+=1 

def _write(self, ch, fg, bg):
        if self.x == self.width:
            self.x = 0
            self.y+=1
            if self.y == self.height:
                [self.canvas.move(x,0,-fontHeight) for x in self.canvas.find_all()]
                self.y-=1
        canvasX = self.x*fontWidth + 1
        canvasY = self.y*fontHeight + 1
        items = self.canvas.find_overlapping(canvasX, canvasY, canvasX+2, canvasY+2)
        if items:
            [self.canvas.delete(item) for item in items]
        if bg:
            self.canvas.create_rectangle(canvasX, canvasY, canvasX+fontWidth-1, canvasY+fontHeight-1, fill=bg, outline=bg)
        self.canvas.create_text(canvasX, canvasY, anchor=Tkinter.NW, font=ttyFont, text=ch, fill=fg)
        self.x+=1 

def update_preview(self, psize):
        # Safety check: Ignore calls during construction/destruction.
        if not self.init_done: return
        # Copy latest user settings to the lens object.
        self.lens.fov_deg = self.f.get()
        self.lens.radius_px = self.r.get()
        self.lens.center_px[0] = self.x.get()
        self.lens.center_px[1] = self.y.get()
        # Re-scale the image to match the canvas size.
        # Note: Make a copy first, because thumbnail() operates in-place.
        self.img_sc = self.img.copy()
        self.img_sc.thumbnail(psize, Image.NEAREST)
        self.img_tk = ImageTk.PhotoImage(self.img_sc)
        # Re-scale the x/y/r parameters to match the preview scale.
        pre_scale = float(psize[0]) / float(self.img.size[0])
        x = self.x.get() * pre_scale
        y = self.y.get() * pre_scale
        r = self.r.get() * pre_scale
        # Clear and redraw the canvas.
        self.preview.delete('all')
        self.preview.create_image(0, 0, anchor=tk.NW, image=self.img_tk)
        self.preview.create_oval(x-r, y-r, x+r, y+r,
                                 outline='#C00000', width=3)

    # Make a combined label/textbox/slider for a given variable: 

def Load_T1(self, event=None):
        self.T1filename = filedialog.askopenfilename()
        nib_vol = nib.load(self.T1filename)
        self.affine = nib_vol.affine
        self.T1_vol = nib_vol.get_data()

        mid_slice = self.T1_vol.shape[2]//2

        true_size = self.T1_vol.shape[:2]
        size = (self.T1_canvas.winfo_width(), self.T1_canvas.winfo_height())
        size = (size[0], int(true_size[0]/true_size[1])*size[1]) if size[0] < size[1] else (int(true_size[1]/true_size[0])*size[0], size[1])


        self.T1_canvas_image = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(plot_normalize(self.T1_vol[:,:,mid_slice].T)).resize(size))
        self.T1_canvas.create_image(0, 0, image=self.T1_canvas_image, anchor=tk.NW)
        self.update_main_view(self.T1_vol, self.T1_vol.shape[0]//2, self.T1_vol.shape[1]//2, self.T1_vol.shape[2]//2)
        self.init_scales(self.T1_vol) 

def Load_T2(self, event=None):
        """
        """
        self.T2filename = filedialog.askopenfilename()
        nib_vol = nib.load(self.T2filename)
        self.affine = nib_vol.affine
        self.T2_vol = nib_vol.get_data()

        mid_slice = self.T2_vol.shape[2]//2

        true_size = self.T2_vol.shape[:2]
        size = (self.T2_canvas.winfo_width(), self.T2_canvas.winfo_height())
        size = (size[0], int(true_size[0]/true_size[1])*size[1]) if size[0] < size[1] else (int(true_size[1]/true_size[0])*size[0], size[1])

        self.T2_canvas_image = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(plot_normalize(self.T2_vol[:,:,mid_slice].T)).resize(size))
        self.T2_canvas.create_image(0, 0, image=self.T2_canvas_image, anchor=tk.NW)
        self.update_main_view(self.T2_vol, self.T2_vol.shape[0]//2, self.T2_vol.shape[1]//2, self.T2_vol.shape[2]//2)
        self.init_scales(self.T2_vol) 

def __init__(self, master, image):
        tkinter.Canvas.__init__(self, master,
                                width=image.size[0], height=image.size[1])

        # fill the canvas
        self.tile = {}
        self.tilesize = tilesize = 32
        xsize, ysize = image.size
        for x in range(0, xsize, tilesize):
            for y in range(0, ysize, tilesize):
                box = x, y, min(xsize, x+tilesize), min(ysize, y+tilesize)
                tile = ImageTk.PhotoImage(image.crop(box))
                self.create_image(x, y, image=tile, anchor=tkinter.NW)
                self.tile[(x, y)] = box, tile

        self.image = image

        self.bind("<B1-Motion>", self.paint) 

def __init__(self, master, im, value=128):
        tkinter.Frame.__init__(self, master)

        self.image = im
        self.value = value

        self.canvas = tkinter.Canvas(self, width=im.size[0], height=im.size[1])
        self.backdrop = ImageTk.PhotoImage(im)
        self.canvas.create_image(0, 0, image=self.backdrop, anchor=tkinter.NW)
        self.canvas.pack()

        scale = tkinter.Scale(self, orient=tkinter.HORIZONTAL, from_=0, to=255,
                              resolution=1, command=self.update_scale,
                              length=256)
        scale.set(value)
        scale.bind("<ButtonRelease-1>", self.redraw)
        scale.pack()

        # uncomment the following line for instant feedback (might
        # be too slow on some platforms)
        # self.redraw() 

def _write(self, ch, fg, bg):
        if self.x == self.width:
            self.x = 0
            self.y+=1
            if self.y == self.height:
                [self.canvas.move(x,0,-fontHeight) for x in self.canvas.find_all()]
                self.y-=1
        canvasX = self.x*fontWidth + 1
        canvasY = self.y*fontHeight + 1
        items = self.canvas.find_overlapping(canvasX, canvasY, canvasX+2, canvasY+2)
        if items:
            [self.canvas.delete(item) for item in items]
        if bg:
            self.canvas.create_rectangle(canvasX, canvasY, canvasX+fontWidth-1, canvasY+fontHeight-1, fill=bg, outline=bg)
        self.canvas.create_text(canvasX, canvasY, anchor=Tkinter.NW, font=ttyFont, text=ch, fill=fg)
        self.x+=1 

def _write(self, ch, fg, bg):
        if self.x == self.width:
            self.x = 0
            self.y+=1
            if self.y == self.height:
                [self.canvas.move(x,0,-fontHeight) for x in self.canvas.find_all()]
                self.y-=1
        canvasX = self.x*fontWidth + 1
        canvasY = self.y*fontHeight + 1
        items = self.canvas.find_overlapping(canvasX, canvasY, canvasX+2, canvasY+2)
        if items:
            [self.canvas.delete(item) for item in items]
        if bg:
            self.canvas.create_rectangle(canvasX, canvasY, canvasX+fontWidth-1, canvasY+fontHeight-1, fill=bg, outline=bg)
        self.canvas.create_text(canvasX, canvasY, anchor=Tkinter.NW, font=ttyFont, text=ch, fill=fg)
        self.x+=1 

def update_main_view(self, vol, slice1, slice2, slice3):
        """
        """
        self.main_vol = vol
        true_size = vol.shape[:2]
        size = (self.AxialCanvas.winfo_width(), self.AxialCanvas.winfo_height())
        size = (size[0], int(true_size[0]/true_size[1])*size[1]) if size[0] < size[1] else (int(true_size[1]/true_size[0])*size[0], size[1])
    
        self.AxialCanvas_image = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(plot_normalize(vol[:,:,slice3].T)).resize(size))
        self.AxialCanvas.create_image(0, 0, image=self.AxialCanvas_image, anchor=tk.NW)


        true_size = (vol.shape[0], vol.shape[2])
        size = (self.AxialCanvas.winfo_width(), self.AxialCanvas.winfo_height())
        size = (size[0], int(true_size[0]/true_size[1])*size[1]) if size[0] < size[1] else (int(true_size[1]/true_size[0])*size[0], size[1])
    
        self.SagitalCanvas_image = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(plot_normalize(np.flipud(vol[:, slice2, :].T))).resize(size))
        self.SagitalCanvas.create_image(0, 0, image=self.SagitalCanvas_image, anchor=tk.NW)


        true_size = (vol.shape[1], vol.shape[2])
        size = (self.AxialCanvas.winfo_width(), self.AxialCanvas.winfo_height())
        size = (size[0], int(true_size[0]/true_size[1])*size[1]) if size[0] < size[1] else (int(true_size[1]/true_size[0])*size[0], size[1])
    
        self.CorronalCanvas_image = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(plot_normalize(np.flipud(vol[slice1, :, :].T))).resize(size))
        self.CorronalCanvas.create_image(0, 0, image=self.CorronalCanvas_image, anchor=tk.NW) 

def redraw(self, event=None):

        # create overlay (note the explicit conversion to mode "1")
        im = self.image.point(lambda v, t=self.value: v >= t, "1")
        self.overlay = ImageTk.BitmapImage(im, foreground="green")

        # update canvas
        self.canvas.delete("overlay")
        self.canvas.create_image(0, 0, image=self.overlay, anchor=tkinter.NW,
                                 tags="overlay")

# --------------------------------------------------------------------
# main 

def Get_Segmentation(self, event=None):
        try:
            if (self.T1_vol != None) and (self.T2_vol != None) and (self.T1ce_vol != None) and (self.Flair_vol != None):
                pass
            else:
                pass
        except:
            ValueError 

        self.prediction = get_brainsegmentation.get_segmentation(self.T1filename, 
                                                                self.T2filename, 
                                                                self.T1cefilename, 
                                                                self.Flairfilename)

        # self.prediction = nib.load(os.path.join(os.path.dirname(self.T2filename), 'seg.nii.gz')).get_data()

        mid_slice = self.prediction.shape[2]//2

        true_size = self.T1ce_vol.shape[:2]
        size = (self.T1ce_canvas.winfo_width(), self.T1ce_canvas.winfo_height())
        size = (size[0], int(true_size[0]/true_size[1])*size[1]) if size[0] < size[1] else (int(true_size[1]/true_size[0])*size[0], size[1])

        self.seg_canvas_image = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(plot_normalize(self.prediction[:,:,mid_slice].T)).resize(size))
        self.seg_canvas.create_image(0, 0, image=self.seg_canvas_image, anchor=tk.NW)
        self.update_main_view(self.prediction, self.prediction.shape[0]//2, self.prediction.shape[1]//2, self.prediction.shape[2]//2)

        pass 

def draw_image(self, image):
        self._image = image
        self._size = (width, height) = image.size
        w, h = int(width*self._ratio), int(height*self._ratio)
        image = image.copy()
        image.thumbnail((w, h), Image.ANTIALIAS)
        tkimage = ImageTk.PhotoImage(image)
        self._tkimage = tkimage # keep a reference
        self.canvas.config(width=w, height=h)
        self.canvas.create_image(0, 0, anchor=tk.NW, image=tkimage) 

def draw_image(self, image):
        self._image = image
        self._size = (width, height) = image.size
        w, h = int(width*self._ratio), int(height*self._ratio)
        # print w, h
        image = image.copy()
        image.thumbnail((w, h), Image.ANTIALIAS)
        tkimage = ImageTk.PhotoImage(image)
        self._tkimage = tkimage # keep a reference
        self.canvas.config(width=w, height=h)
        self.canvas.create_image(0, 0, anchor=tk.NW, image=tkimage) 

def showMap(img1):
    global IMG
    IMG = img1
    if(img1 != None):
        can.create_image(0,0,anchor=NW,image = img1) 

def addPathFrame(self):
        frame=Frame(self)
        frame.pack(fill=tk.X,expand=0,side=tk.TOP,padx=8,pady=5)

        frame.columnconfigure(1,weight=1)

        #------------------Database file------------------
        label=tk.Label(frame,text='Mendeley Data file:',\
                bg='#bbb')
        label.grid(row=0,column=0,\
                sticky=tk.W,padx=8)

        self.db_entry=tk.Entry(frame)
        self.db_entry.grid(row=0,column=1,sticky=tk.W+tk.E,padx=8)

        self.db_button=tk.Button(frame,text='Open',command=self.openFile)
        self.db_button.grid(row=0,column=2,padx=8,sticky=tk.E)

        hint='''
Default location on Linux:
~/.local/share/data/Mendeley\ Ltd./Mendeley\ Desktop/your_email@www.mendeley.com.sqlite
Default location on Windows:
C:\Users\Your_name\AppData\Local\Mendeley Ltd\Mendeley Desktop\your_email@www.mendeley.com.sqlite'''

        hint_label=tk.Label(frame,text=hint,\
                justify=tk.LEFT,anchor=tk.NW)
        hint_label.grid(row=1,column=0,columnspan=3,\
                sticky=tk.W,padx=8)

        #--------------------Output dir--------------------
        label2=tk.Label(frame,text='Output folder:',\
                bg='#bbb')
        label2.grid(row=2,column=0,\
                sticky=tk.W,padx=8)

        self.out_entry=tk.Entry(frame)
        self.out_entry.grid(row=2,column=1,sticky=tk.W+tk.E,padx=8)
        self.out_button=tk.Button(frame,text='Choose',command=self.openDir)
        self.out_button.grid(row=2,column=2,padx=8,sticky=tk.E) 

def __init__(self, root, rect, frame_color, screen_cap):
        """ Accepts rect as (x,y,w,h) """
        self.root = root
        tk.Toplevel.__init__(self, self.root, bg="red", bd=0)

        ## Set toplevel geometry, remove borders, and push to the front
        self.geometry("{2}x{3}+{0}+{1}".format(*rect))
        self.overrideredirect(1)
        self.attributes("-topmost", True)

        ## Create canvas and fill it with the provided image. Then draw rectangle outline
        self.canvas = tk.Canvas(
            self,
            width=rect[2],
            height=rect[3],
            bd=0,
            bg="blue",
            highlightthickness=0)
        self.tk_image = ImageTk.PhotoImage(Image.fromarray(screen_cap[..., [2, 1, 0]]))
        self.canvas.create_image(0, 0, image=self.tk_image, anchor=tk.NW)
        self.canvas.create_rectangle(
            2,
            2,
            rect[2]-2,
            rect[3]-2,
            outline=frame_color,
            width=4)
        self.canvas.pack(fill=tk.BOTH, expand=tk.YES)

        ## Lift to front if necessary and refresh.
        self.lift()
        self.update() 

def __init__(self, root, rect, frame_color, screen_cap, queue):
        """ Accepts rect as (x,y,w,h) """
        self.root = root
        self.root.tk.call('tk', 'scaling', 0.5)
        tk.Toplevel.__init__(self, self.root, bg="red", bd=0)

        self.queue = queue
        self.check_close_after = None

        ## Set toplevel geometry, remove borders, and push to the front
        self.geometry("{2}x{3}+{0}+{1}".format(*rect))
        self.overrideredirect(1)
        self.attributes("-topmost", True)

        ## Create canvas and fill it with the provided image. Then draw rectangle outline
        self.canvas = tk.Canvas(
            self,
            width=rect[2],
            height=rect[3],
            bd=0,
            bg="blue",
            highlightthickness=0)
        self.tk_image = ImageTk.PhotoImage(Image.fromarray(screen_cap))
        self.canvas.create_image(0, 0, image=self.tk_image, anchor=tk.NW)
        self.canvas.create_rectangle(
            2,
            2,
            rect[2]-2,
            rect[3]-2,
            outline=frame_color,
            width=4)
        self.canvas.pack(fill=tk.BOTH, expand=tk.YES)

        ## Lift to front if necessary and refresh.
        self.lift()
        self.update() 

def update_main_view_overlay(self, vol, prediction, slice1, slice2, slice3, alpha_val=0.5):
        """
        """
        self.main_vol = vol
        pred = prediction[:,:,slice3].T
        alpha = np.zeros_like(pred).astype("float")
        alpha[pred > 0] = alpha_val
        alpha = alpha[..., None]
        print (np.unique(alpha))

        true_size = vol.shape[:2]
        size = (self.AxialCanvas.winfo_width(), self.AxialCanvas.winfo_height())
        size = (size[0], int(true_size[0]/true_size[1])*size[1]) if size[0] < size[1] else (int(true_size[1]/true_size[0])*size[0], size[1])
        
        img = (1 - alpha)*plot_normalize(create_img(vol[:,:,slice3].T)) + alpha*create_mask(pred)
        self.AxialCanvas_image = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(plot_normalize(img)).resize(size))
        self.AxialCanvas.create_image(0, 0, image=self.AxialCanvas_image, anchor=tk.NW)


        pred = np.flipud(prediction[:,slice2, :].T)
        alpha = np.zeros_like(pred).astype("float")
        alpha[pred > 0] = alpha_val
        alpha = alpha[..., None]
        true_size = (vol.shape[0], vol.shape[2])
        size = (self.AxialCanvas.winfo_width(), self.AxialCanvas.winfo_height())
        size = (size[0], int(true_size[0]/true_size[1])*size[1]) if size[0] < size[1] else (int(true_size[1]/true_size[0])*size[0], size[1])
    
        img = (1 - alpha)*plot_normalize(create_img(np.flipud(vol[:,slice2,:].T))) + alpha*create_mask(pred)
        self.SagitalCanvas_image = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(plot_normalize(img)).resize(size))
        self.SagitalCanvas.create_image(0, 0, image=self.SagitalCanvas_image, anchor=tk.NW)
    

        pred = np.flipud(prediction[slice1,:,:].T)
        alpha = np.zeros_like(pred).astype("float")
        alpha[pred > 0] = alpha_val
        alpha = alpha[..., None]
        true_size = (vol.shape[1], vol.shape[2])
        size = (self.AxialCanvas.winfo_width(), self.AxialCanvas.winfo_height())
        size = (size[0], int(true_size[0]/true_size[1])*size[1]) if size[0] < size[1] else (int(true_size[1]/true_size[0])*size[0], size[1])

        img = (1 - alpha)*plot_normalize(create_img(np.flipud(vol[slice1, :, :].T))) + alpha*create_mask(pred)
        self.CorronalCanvas_image = PIL.ImageTk.PhotoImage(image = PIL.Image.fromarray(plot_normalize(img)).resize(size))
        self.CorronalCanvas.create_image(0, 0, image=self.CorronalCanvas_image, anchor=tk.NW)


    # ================================================================= 

def _init_items(self):
        """
        .---------------.
        | Ctrl | Screen |
        |------|        |
        | Code |        |
        |      |        |
        """
        root = self._root
        root.resizable(0, 0)

        frm_control = tk.Frame(root, bg='#bbb')
        frm_control.grid(column=0, row=0, padx=5, sticky=tk.NW)
        frm_screen = tk.Frame(root, bg='#aaa')
        frm_screen.grid(column=1, row=0)

        frm_screenshot = tk.Frame(frm_control)
        frm_screenshot.grid(column=0, row=0, sticky=tk.W)
        tk.Label(frm_control, text='-'*30).grid(column=0, row=1, sticky=tk.EW)
        frm_code = tk.Frame(frm_control)
        frm_code.grid(column=0, row=2, sticky=tk.EW)

        self._btn_refresh = tk.Button(frm_screenshot, textvariable=self._refresh_text, command=self._refresh_screen)
        self._btn_refresh.grid(column=0, row=0, sticky=tk.W)
        # tk.Button(frm_screenshot, text="Wakeup", command=self._device.wakeup).grid(column=0, row=1, sticky=tk.W)
        tk.Button(frm_screenshot, text=u"保存选中区域", command=self._save_crop).grid(column=0, row=1, sticky=tk.W)
        
        # tk.Button(frm_screenshot, text="保存截屏", command=self._save_screenshot).grid(column=0, row=2, sticky=tk.W)
        frm_checkbtns = tk.Frame(frm_screenshot)
        frm_checkbtns.grid(column=0, row=3, sticky=(tk.W, tk.E))
        tk.Checkbutton(frm_checkbtns, text="Auto refresh", variable=self._auto_refresh_var, command=self._run_check_refresh).grid(column=0, row=0, sticky=tk.W)
        tk.Checkbutton(frm_checkbtns, text="UI detect", variable=self._uiauto_detect_var).grid(column=1, row=0, sticky=tk.W)

        frm_code_editor = tk.Frame(frm_code)
        frm_code_editor.grid(column=0, row=0, sticky=(tk.W, tk.E))
        tk.Label(frm_code_editor, text='Generated code').grid(column=0, row=0, sticky=tk.W)
        tk.Entry(frm_code_editor, textvariable=self._gencode_text, width=30).grid(column=0, row=1, sticky=tk.W)
        tk.Label(frm_code_editor, text='Save file name').grid(column=0, row=2, sticky=tk.W)
        tk.Entry(frm_code_editor, textvariable=self._genfile_name, width=30).grid(column=0, row=3, sticky=tk.W)
        tk.Label(frm_code_editor, text='Extention name').grid(column=0, row=4, sticky=tk.W)
        tk.Entry(frm_code_editor, textvariable=self._fileext_text, width=30).grid(column=0, row=5, sticky=tk.W)
        
        frm_code_btns = tk.Frame(frm_code)
        frm_code_btns.grid(column=0, row=2, sticky=(tk.W, tk.E))
        tk.Button(frm_code_btns, text='Run', command=self._run_code).grid(column=0, row=0, sticky=tk.W)
        self._btn_runedit = tk.Button(frm_code_btns, state=tk.DISABLED, text='Insert and Run', command=self._run_and_insert)
        self._btn_runedit.grid(column=1, row=0, sticky=tk.W)
        tk.Button(frm_code, text='Select File', command=self._run_selectfile).grid(column=0, row=4, sticky=tk.W)
        tk.Label(frm_code, textvariable=self._attachfile_text).grid(column=0, row=5, sticky=tk.W)
        tk.Button(frm_code, text='Reset', command=self._reset).grid(column=0, row=6, sticky=tk.W)

        self.canvas = tk.Canvas(frm_screen, bg="blue", bd=0, highlightthickness=0, relief='ridge')
        self.canvas.grid(column=0, row=0, padx=10, pady=10)
        self.canvas.bind("<Button-1>", self._stroke_start)
        self.canvas.bind("<B1-Motion>", self._stroke_move)
        self.canvas.bind("<B1-ButtonRelease>", self._stroke_done)
        self.canvas.bind("<Motion>", self._mouse_move) 

def test():
    root = tk.Tk()

    scrollbar = simultaneousScrollbar(root, orient=tk.HORIZONTAL)
    scrollbar.pack(side=tk.TOP, fill=tk.X)

    emptySpace = tk.Frame(root, height=18)
    emptySpace.pack()

    tk.Label(root, text='First scrolled frame:').pack(anchor=tk.W)
    canvas1 = tk.Canvas(root, width=300, height=100)
    canvas1.pack(anchor=tk.NW)

    frame1= tk.Frame(canvas1)
    frame1.pack()

    for i in range(20):
        tk.Label(frame1, text="Label "+str(i)).pack(side=tk.LEFT)

    canvas1.create_window(0, 0, window=frame1, anchor='nw')

    canvas1.update_idletasks()

    canvas1['scrollregion'] = (0,0,frame1.winfo_reqwidth(), frame1.winfo_reqheight())

    tk.Label(root, text='Second scrolled frame:').pack(anchor=tk.W)
    canvas2 = tk.Canvas(root,width=300, height=100)
    canvas2.pack(anchor=tk.NW)

    frame2= tk.Frame(canvas2)
    frame2.pack()

    for i in range(20):
        tk.Label(frame2, text="Label "+str(i)).pack(side=tk.LEFT)

    canvas2.create_window(0, 0, window=frame2, anchor='nw')

    canvas2.update_idletasks()
    canvas2['scrollregion'] = (0,0,frame2.winfo_reqwidth(), frame2.winfo_reqheight())

    scrollbar.add_ScrollableArea(canvas1,canvas2)

    MouseWheel(root).add_scrolling(canvas1, xscrollbar=scrollbar)
    MouseWheel(root).add_scrolling(canvas2, xscrollbar=scrollbar)

    root.mainloop()