Update app.py

app.py

@@ -191,6 +191,14 @@ with gr.Blocks(css="style.css") as demo:
         with gr.Column(elem_id="column_output"):
             result = gr.Image(label="Result", height=440, width=440, elem_id="output_image", show_label=False, show_download_button=True)
             download_output = gr.Button("Download output", elem_id="download_output")
+            gr.HTML("""
+            <button onclick="document.body.requestFullscreen();" style="
+                position: absolute;
+                bottom: 0;
+                right: 0;
+                text-align: end;"
+            >fullscreen</button>
+            """)
 
     
     eraser.change(fn=lambda x: gr.update(value=not x), inputs=[eraser], outputs=[line]).then(update_canvas, [line, eraser], [image])