update scaling

app.py

@@ -15,7 +15,10 @@ CHAR_LEN = len(CHAR_ARRAY)
 GRAYSCALE_LEVEL = CHAR_LEN / 256
 
 # Scaling factor to resize the image
-SCALE = 0.15
+SCALE = 0.2
+
+# Target number of characters per row
+TARGET_WIDTH = 200
 
 # Character dimensions (width and height in pixels) used to match image aspect ratio to character aspect ratio
 CHAR_W = 6
@@ -30,11 +33,33 @@ def getChar(inputInt, gamma=1.8):
     return CHAR_ARRAY[math.floor(inputInt * GRAYSCALE_LEVEL)]
 
 
+# def load_and_preprocess_image(image):
+#     """Resize and preprocess the input image, adjusting contrast and blurring for better ASCII conversion."""
+#     width, height = image.size
+#     # Resize image, adjusting aspect ratio to fit ASCII character dimensions
+#     im = image.resize((int(SCALE * width), int(SCALE * height * (CHAR_W / CHAR_H))))
+
+#     # Enhance contrast to bring out more detail in the ASCII representation
+#     im = ImageOps.equalize(im, mask=None)
+
+#     # Apply a slight blur to reduce noise and simplify pixel values
+#     im = im.filter(ImageFilter.GaussianBlur(radius=0.5))
+
+#     return im
+
 def load_and_preprocess_image(image):
     """Resize and preprocess the input image, adjusting contrast and blurring for better ASCII conversion."""
     width, height = image.size
-    # Resize image, adjusting aspect ratio to fit ASCII character dimensions
-    im = image.resize((int(SCALE * width), int(SCALE * height * (CHAR_W / CHAR_H))))
+    
+    # Calculate the scaling factor to match the target character width (300 characters per row)
+    scale_factor = TARGET_WIDTH / width
+    
+    # Resize the image, maintaining the aspect ratio considering the character dimensions
+    new_width = TARGET_WIDTH
+    new_height = int(scale_factor * height * (CHAR_W / CHAR_H))  # Adjust height to maintain aspect ratio
+    
+    # Resize the image based on the calculated dimensions
+    im = image.resize((new_width, new_height))
 
     # Enhance contrast to bring out more detail in the ASCII representation
     im = ImageOps.equalize(im, mask=None)
@@ -127,7 +152,7 @@ demo = gr.Interface(
     examples=[
         ['images/building.jpg'],
         ['images/cat.webp'],
-        ['images/mountain.webp'],
+        ['images/dog.jpg'],
         ['images/people.jpg'],
         ['images/Northeastern_seal.png'],
         ['images/einstein.jpg'],
@@ -135,4 +160,4 @@ demo = gr.Interface(
 
 )
 
-demo.launch(share=True)
+demo.launch()