Not correct generalized SPLIT_N_X_N due to imageWithoutPrnuNpArrayTile

algorithms/image_utils/image_utils.py

@@ -23,9 +23,11 @@ def getPrnuShownAsSuch(size):
 
     image = Image.new('L', size)
     draw = ImageDraw.Draw(image)
-    # I guess that the maximal character height is higher than the maximal character width. Hence, the `TEXT` may not be spanned on the full width.
-    fontSize = min(HEIGHT, WIDTH // len(TEXT))
-    font = ImageFont.truetype(os.path.expanduser('~/.local/share/fonts/impact.ttf'), fontSize)
+    fontPath = os.path.expanduser('~/.local/share/fonts/impact.ttf')
+    for fontSize in range(1, HEIGHT + 1):
+        font = ImageFont.truetype(fontPath, fontSize)
+        if font.getlength(TEXT) > WIDTH:
+            break
     # Center vertically, especially in the case `HEIGHT` > `WIDTH`.
     draw.text((0, HEIGHT // 2 - fontSize // 2), TEXT, 255, font = font)
     return np.array(image)