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image_to_pen.py

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+import cv2
+import sys
+import tkinter as tk
+from tkinter.filedialog import askopenfilename
+import inquirer
+from inquirer.themes import GreenPassion
+import time
+
+def main():
+    image_choice = askopenfilename()
+    image = cv2.imread(image_choice)
+    grayimage = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
+    grayimageInv = 255 - grayimage
+    grayimageInv = cv2.GaussianBlur(grayimageInv, (21, 21), 0)
+    output = cv2.divide(grayimage, 255-grayimageInv, scale=256.0)
+    cv2.namedWindow("image", cv2.WINDOW_AUTOSIZE)
+    cv2.namedWindow("pencilsketch", cv2.WINDOW_AUTOSIZE)
+    cv2.imshow("image", image)
+    cv2.imshow("pencilsketch", output)
+    cv2.waitKey(0)
+    cv2.destroyAllWindows()
+
+def intro():
+    print("""
+  ___                       _____      ___             _ _  
+ |_ _|_ __  __ _ __ _ ___  |_   _|__  | _ \___ _ _  __(_) | 
+  | || '  \/ _` / _` / -_)   | |/ _ \ |  _/ -_) ' \/ _| | | 
+ |___|_|_|_\__,_\__, \___|   |_|\___/ |_| \___|_||_\__|_|_| 
+                |___/                                       
+    Transformez vos images avec un style pencil / dessin
+
+    By Deucalion
+    github : https://github.com/deucalionn
+   
+    """)
+    time.sleep(1)
+
+    introd = [
+        inquirer.List('introd',
+        message="Que voulez vous faire ? ",
+        choices=['Transformer une image', 'Quitter'],
+        default='Transformer une image'),
+    ]
+    answers = inquirer.prompt(introd, theme=GreenPassion())
+    if answers.get('introd') == "Transformer une image":
+        main()
+    else:
+        quit()
+
+
+intro()