import gradio as gr
import os

base_a = "base-img1.png"
base_b = "base-img2.jpeg"
base_c = "base-img3.png"

watermark_a = "watermark1.png"
watermark_b = "watermark2.png"
watermark_c = "watermark3.png"

def generate_image(original_image, watermark):
    return gr.Image(original_image, watermark=watermark)

demo = gr.Interface(generate_image, [gr.Image(image_mode=None), gr.Image(image_mode=None)], gr.Image(),
                    examples=[[base_a, watermark_a], [base_b, watermark_b], [base_c, watermark_c], [base_b, watermark_c]])

with gr.Blocks() as demo1:
  demo.render()  
demo1.launch()