Update app.py

app.py

@@ -130,9 +130,11 @@ with gr.Blocks(css=css) as demo:
 
                     with gr.Row():
                         with gr.Column(scale=1):
-                            width = gr.Slider(label="Width", minimum=256, maximum=1537, value=1024, step=1)
-                            height = gr.Slider(label="Height", minimum=256, maximum=1537, value=1024, step=1)
-                            gr.Markdown(elem_id="resolution", value="***Max Resolution: 1.1MP (1,100,000px)*")
+                            width = gr.Slider(label="Width", minimum=512, maximum=1536, value=1024, step=1)
+                            height = gr.Slider(label="Height", minimum=512, maximum=1536, value=1024, step=1)
+                            gr.Markdown(elem_id="resolution", value="*Max Resolution: 1.1MP (1,100,000px)*")
+                            if width*height < 1_100_000:
+                                gr.Markdown(elem_id="resError", value="### ⚠️ Res too big!")
 
                         with gr.Column(scale=1):
                             batch_size = gr.Slider(label="Batch Size", maximum=1, value=1)