Update app.py

app.py

@@ -48,29 +48,59 @@ def display_tree():
         yaxis=dict(showgrid=False, zeroline=False, showticklabels=False)
     )
     
-    # layout = go.Layout(
-    #     paper_bgcolor='white',  # Sets the color of the paper where the graph is drawn
-    #     plot_bgcolor='white',   # Sets the background color of the plotting area in-between x and y axes
-    #     showlegend=False,
-    #     hovermode='closest',
-    #     margin=dict(b=0, l=0, r=0, t=0),
-    #     xaxis=dict(showgrid=False, zeroline=False, showticklabels=False),
-    #     yaxis=dict(showgrid=False, zeroline=False, showticklabels=False)
-    # )
-    
     # Create the figure
     fig = go.Figure(data=[edge_trace, node_trace], layout=layout)
     return fig
 
 def display_image_based_on_dropdown_1(dropdown_value):
-    # This function should return an image based on the dropdown value
-    # Replace with actual logic to display the image
-    return "Image based on dropdown 1 will be displayed here."
+    # Create a white image
+    img = Image.new('RGB', (200, 100), color='white')
+    d = ImageDraw.Draw(img)
+    
+    # Specify a font. If you have a .ttf font file you can specify its path
+    # fnt = ImageFont.truetype('/path/to/font.ttf', 40)
+    # Otherwise, we'll use a default PIL font
+    fnt = ImageFont.load_default()
+    
+    # Position the text in the center
+    text = "Placeholder"
+    textwidth, textheight = d.textsize(text, font=fnt)
+    width, height = img.size
+    x = (width - textwidth) / 2
+    y = (height - textheight) / 2
+
+    # Draw the text onto the image
+    d.text((x,y), text, font=fnt, fill='black')
+    
+    # Save the image to a file in buffer to return
+    img.save('/tmp/dummy_image.png')
+    
+    return '/tmp/dummy_image.png'
 
 def display_image_based_on_dropdown_2(dropdown_value):
-    # This function should return an image based on the dropdown value
-    # Replace with actual logic to display the image
-    return "Image based on dropdown 2 will be displayed here."
+    # Create a white image
+    img = Image.new('RGB', (200, 100), color='white')
+    d = ImageDraw.Draw(img)
+    
+    # Specify a font. If you have a .ttf font file you can specify its path
+    # fnt = ImageFont.truetype('/path/to/font.ttf', 40)
+    # Otherwise, we'll use a default PIL font
+    fnt = ImageFont.load_default()
+    
+    # Position the text in the center
+    text = "Placeholder"
+    textwidth, textheight = d.textsize(text, font=fnt)
+    width, height = img.size
+    x = (width - textwidth) / 2
+    y = (height - textheight) / 2
+
+    # Draw the text onto the image
+    d.text((x,y), text, font=fnt, fill='black')
+    
+    # Save the image to a file in buffer to return
+    img.save('/tmp/dummy_image.png')
+    
+    return '/tmp/dummy_image.png'
 
 with gr.Blocks() as demo:
     gr.Markdown("## Interactive Tree and Image Display")