Auslagern der Scrollbar-Funktion und Einfügen von Beispielbildern

Code/Dyschromasie-Applikation.py

@@ -5,6 +5,7 @@ from tkinter import filedialog, messagebox
 import cv2
 import numpy as np
 from Farbaenderung import gammaCorrection, reverseGammaCorrection
+from Scrollbar import ScrollFrame
 
 root = tk.Tk()
 simGrad = tk.IntVar(root)
@@ -66,64 +67,6 @@ class Dyschromasie:
 
         return self.sim_image
 
-class AutoScrollbar(tk.Scrollbar):
-   # A scrollbar that hides itself if it's not needed.
-   # Only works if you use the grid geometry manager!
-    def set(self, lo, hi):
-        if float(lo) <= 0.0 and float(hi) >= 1.0:
-            # grid_remove is currently missing from Tkinter!
-            self.tk.call("grid", "remove", self)
-        else:
-            self.grid()
-        tk.Scrollbar.set(self, lo, hi)
-    def pack(self, **kw):
-        raise TclError("cannot use pack with this widget")
-    def place(self, **kw):
-        raise TclError("cannot use place with this widget")
-
-class ScrollFrame:
-    def __init__(self, master):
-
-        self.vscrollbar = AutoScrollbar(master)
-        self.vscrollbar.grid(row=0, column=1, sticky='ns')
-        self.hscrollbar = AutoScrollbar(master, orient='horizontal')
-        self.hscrollbar.grid(row=1, column=0, sticky='ew')
-
-        self.canvas = tk.Canvas(master, yscrollcommand=self.vscrollbar.set,
-                        xscrollcommand=self.hscrollbar.set)
-        self.canvas.grid(row=0, column=0, sticky='nsew')
-
-        self.vscrollbar.config(command=self.canvas.yview)
-        self.hscrollbar.config(command=self.canvas.xview)
-
-        # make the canvas expandable
-        master.grid_rowconfigure(0, weight=1)
-        master.grid_columnconfigure(0, weight=1)
-
-        # create frame inside canvas
-        self.frame = tk.Frame(self.canvas)
-        self.frame.rowconfigure(1, weight=1)
-        self.frame.columnconfigure(1, weight=1)
-
-        # update the frame
-        self.frame.bind("<Configure>", self.reset_scrollregion)
-
-    def reset_scrollregion(self, event):
-        self.canvas.configure(scrollregion=self.canvas.bbox('all'))
-
-    def update(self):
-        self.canvas.create_window(0, 0, anchor='nw', window=self.frame)
-        self.frame.update_idletasks()
-        self.canvas.config(scrollregion=self.canvas.bbox("all"))
-
-        if self.frame.winfo_reqwidth() != self.canvas.winfo_width():
-            # update the canvas's width to fit the inner frame
-            self.canvas.config(width = self.frame.winfo_reqwidth())
-        if self.frame.winfo_reqheight() != self.canvas.winfo_height():
-            # update the canvas's width to fit the inner frame
-            self.canvas.config(height = self.frame.winfo_reqheight())
-
-
 root.title("Projekt Dyschromasie")
 
 SB = ScrollFrame(root)
@@ -143,7 +86,7 @@ simulationsGradient.grid(column= 0, row = 1, columnspan=10)
 def browse():
     # Auswahl des FilePaths
     try:
-        path = tk.filedialog.askopenfilename(filetypes=[("Image File", '.jpg')])
+        path = tk.filedialog.askopenfilename(filetypes=[("Image File", '.jpg'),("Image File", '.png')])
         im = Image.open(path)
     except:
         tk.messagebox.showerror(title='Datenfehler', message='Kein Bild gefunden/ausgewählt')
@@ -161,6 +104,7 @@ def browse():
         global img, rows, cols, kanaele
         img = cv2.imread(path)
         img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
+        #img = cv2.GaussianBlur(img, (3, 3), 0)
         rows, cols, kanaele = img.shape
 
 

Code/Farbaenderung.py

@@ -10,3 +10,8 @@ def reverseGammaCorrection(v_reverse):
         return round(255 * (12.92 * v_reverse))
     elif v_reverse > 0.0031308:
         return round(255 * (1.055 * v_reverse ** 0.41666 - 0.055))
+
+
+
+
+

Code/Scrollbar.py

@@ -0,0 +1,59 @@
+import tkinter as tk
+from tkinter import filedialog, messagebox
+
+class AutoScrollbar(tk.Scrollbar):
+   # A scrollbar that hides itself if it's not needed.
+   # Only works if you use the grid geometry manager!
+    def set(self, lo, hi):
+        if float(lo) <= 0.0 and float(hi) >= 1.0:
+            # grid_remove is currently missing from Tkinter!
+            self.tk.call("grid", "remove", self)
+        else:
+            self.grid()
+        tk.Scrollbar.set(self, lo, hi)
+    def pack(self, **kw):
+        raise TclError("cannot use pack with this widget")
+    def place(self, **kw):
+        raise TclError("cannot use place with this widget")
+
+class ScrollFrame:
+    def __init__(self, master):
+
+        self.vscrollbar = AutoScrollbar(master)
+        self.vscrollbar.grid(row=0, column=1, sticky='ns')
+        self.hscrollbar = AutoScrollbar(master, orient='horizontal')
+        self.hscrollbar.grid(row=1, column=0, sticky='ew')
+
+        self.canvas = tk.Canvas(master, yscrollcommand=self.vscrollbar.set,
+                        xscrollcommand=self.hscrollbar.set)
+        self.canvas.grid(row=0, column=0, sticky='nsew')
+
+        self.vscrollbar.config(command=self.canvas.yview)
+        self.hscrollbar.config(command=self.canvas.xview)
+
+        # make the canvas expandable
+        master.grid_rowconfigure(0, weight=1)
+        master.grid_columnconfigure(0, weight=1)
+
+        # create frame inside canvas
+        self.frame = tk.Frame(self.canvas)
+        self.frame.rowconfigure(1, weight=1)
+        self.frame.columnconfigure(1, weight=1)
+
+        # update the frame
+        self.frame.bind("<Configure>", self.reset_scrollregion)
+
+    def reset_scrollregion(self, event):
+        self.canvas.configure(scrollregion=self.canvas.bbox('all'))
+
+    def update(self):
+        self.canvas.create_window(0, 0, anchor='nw', window=self.frame)
+        self.frame.update_idletasks()
+        self.canvas.config(scrollregion=self.canvas.bbox("all"))
+
+        if self.frame.winfo_reqwidth() != self.canvas.winfo_width():
+            # update the canvas's width to fit the inner frame
+            self.canvas.config(width = self.frame.winfo_reqwidth())
+        if self.frame.winfo_reqheight() != self.canvas.winfo_height():
+            # update the canvas's width to fit the inner frame
+            self.canvas.config(height = self.frame.winfo_reqheight())