improved quality

app.py

@@ -19,10 +19,14 @@ def center_crop_square(img: Image.Image) -> Image.Image:
 def generate_favicons(image, name, short_name, theme_color, background_color, tile_color):
     if image is None:
         return None
-    
+
     img = Image.open(image).convert("RGBA")
     img = center_crop_square(img)
 
+    # Ensure a very high-res base image
+    base_size = max(1024, img.width, img.height)
+    img = img.resize((base_size, base_size), Image.LANCZOS)
+
     if not name:
         name = "My App"
     if not short_name:
@@ -34,6 +38,7 @@ def generate_favicons(image, name, short_name, theme_color, background_color, ti
     if not tile_color:
         tile_color = theme_color
 
+    # Icon specs: regular + ultra-high for Apple/Android
     icon_specs = [
         (16, "favicon-16x16.png"),
         (32, "favicon-32x32.png"),
@@ -54,6 +59,7 @@ def generate_favicons(image, name, short_name, theme_color, background_color, ti
         (256, "android-icon-256x256.png"),
         (384, "android-icon-384x384.png"),
         (512, "android-icon-512x512.png"),
+        (1024, "apple-icon-1024x1024.png"),  # Retina / App Store
         (150, "ms-icon-150x150.png"),
         (32, "ms-icon-32x32.png"),
         (70, "ms-icon-70x70.png"),
@@ -70,13 +76,13 @@ def generate_favicons(image, name, short_name, theme_color, background_color, ti
         files[filename] = buf.getvalue()
 
     # Apple touch icon
-    if "apple-icon-180x180.png" in files:
-        files["apple-touch-icon.png"] = files["apple-icon-180x180.png"]
+    files["apple-touch-icon.png"] = files.get("apple-icon-180x180.png", img.resize((180,180), Image.LANCZOS).tobytes())
 
     # favicon.ico (multi-size)
-    ico_sizes = [(16,16), (32,32), (48,48), (64,64), (128,128), (256,256)]
+    ico_sizes = [16, 32, 48, 64, 128, 256]
+    ico_images = [img.resize((s, s), Image.LANCZOS) for s in ico_sizes]
     ico_buf = io.BytesIO()
-    img.save(ico_buf, format="ICO", sizes=ico_sizes)
+    ico_images[0].save(ico_buf, format='ICO', sizes=[(s, s) for s in ico_sizes])
     files["favicon.ico"] = ico_buf.getvalue()
 
     # manifest.json
@@ -86,7 +92,7 @@ def generate_favicons(image, name, short_name, theme_color, background_color, ti
             "sizes": f"{sz}x{sz}",
             "type": "image/png"
         }
-        for sz, fn in icon_specs if fn.endswith(".png")
+        for sz, fn in icon_specs if fn.endswith(".png") and sz <= 512
     ]
     icons.append({
         "src": "android-icon-512x512.png",
@@ -158,9 +164,9 @@ demo = gr.Interface(
         gr.ColorPicker(label="Tile Color", value="#ffffff"),
     ],
     outputs=gr.File(label="Download Favicons ZIP"),
-    title="Favicon Generator",
-    description="Upload an image and generate favicons + manifest + favicon.ico for PWA"
+    title="Ultra High-Quality Favicon Generator",
+    description="Upload a high-res image (≥1024px) and generate ultra-high quality favicons for Retina and modern devices."
 )
 
 if __name__ == "__main__":
-    demo.launch(server_name="0.0.0.0", server_port=7860, debug=True, pwa=True)
+    demo.launch()