Update app.py

app.py

@@ -54,6 +54,29 @@ if uploaded_file is not None:
             depth_image.save('depth_image.png')
             st.success("Depth image saved successfully!")
 
-        # Option for interactive painting (Placeholder)
-        st.subheader("Interactive Depth-based Painting (Demo Placeholder)")
-        st.write("This feature will allow users to paint on surfaces based on depth. For now, we can show the depth and its effects.")
+        # Interactive Painting Feature
+        st.subheader("Interactive Depth-based Painting")
+
+        # Prepare for canvas
+        canvas = st.canvas(
+            width=colormap.width,
+            height=colormap.height,
+            drawing_mode="freedraw", 
+            initial_drawing=colormap,
+            key="painting_canvas"
+        )
+
+        if canvas.image_data is not None:
+            # Convert canvas drawing to an image
+            painted_image = Image.fromarray(canvas.image_data.astype(np.uint8))
+
+            # You can combine the depth and painting here
+            st.subheader("Canvas with Painting")
+            st.image(painted_image, caption="Painting on Depth Map", use_column_width=True)
+
+            # Option to save painted image
+            if st.button('Save Painted Image'):
+                painted_image.save('painted_image.png')
+                st.success("Painted image saved successfully!")
+        else:
+            st.write("Draw on the canvas to interact with depth!")