Update app.py

app.py

@@ -3,7 +3,7 @@ import os
 import zipfile
 from PIL import Image, ImageDraw, ImageFont
 
-def draw_ruler(image, dpi=72, unit="in", color="black"):
+def draw_ruler(image, dpi=300, unit="in", color="black"):
     """
     Draws a ruler on the top and left edges of an image.
 
@@ -16,20 +16,21 @@ def draw_ruler(image, dpi=72, unit="in", color="black"):
 
     draw = ImageDraw.Draw(image)
     width, height = image.size
+    font = ImageFont.load_default(size=100)
 
     # Draw top ruler
     for i in range(0, width, int(dpi)):
         x = i
         draw.line((x, 0, x, 10), fill=color)
         if i % int(dpi) == 0:
-            draw.text((x, 12), str(i // dpi), fill=color)
+            draw.text((x, 12), str(i // dpi), fill=color, font=font)
 
     # Draw left ruler
     for i in range(0, height, int(dpi)):
         y = i
         draw.line((0, y, 10, y), fill=color)
         if i % int(dpi) == 0:
-            draw.text((12, y), str(i // dpi), fill=color)
+            draw.text((12, y), str(i // dpi), fill=color, font=font)
 
     return image