Repack NanoTiny to remove border

src/textual_paint/repack_font.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+
+import os
+from PIL import Image
+
+def extract_textures(image_path: str):
+    # Open the image
+    image = Image.open(image_path)
+
+    # Calculate the texture size and border width
+    width, height = image.size
+    texture_width = 4
+    texture_height = 4
+    border_width = 1
+
+    # Calculate the number of textures in each dimension
+    num_textures_x = (width - border_width) // (texture_width + border_width)
+    num_textures_y = (height - border_width) // (texture_height + border_width)
+
+    # Create a new image to store the extracted textures
+    extracted_image = Image.new('RGB', (num_textures_x * texture_width, num_textures_y * texture_height))
+
+    # Extract textures
+    for row in range(num_textures_y):
+        for col in range(num_textures_x):
+            # Calculate the coordinates for the current texture
+            left = col * (texture_width + border_width) + border_width
+            upper = row * (texture_height + border_width) + border_width
+            right = left + texture_width
+            lower = upper + texture_height
+
+            # Crop the texture from the original image
+            texture = image.crop((left, upper, right, lower))
+
+            # Calculate the paste coordinates on the extracted image
+            paste_x = col * texture_width
+            paste_y = row * texture_height
+
+            # Paste the texture onto the extracted image
+            extracted_image.paste(texture, (paste_x, paste_y))
+
+    return extracted_image
+
+samples_folder = os.path.join(os.path.dirname(__file__), '../../samples')
+image_path = os.path.join(samples_folder, 'NanoTiny_v14.png')
+output_path = os.path.join(samples_folder, 'NanoTiny_v14_no_border.png')
+
+extracted_image = extract_textures(image_path)
+extracted_image.save(output_path)
+print(f'Wrote extracted textures to {output_path}')