app.py

import streamlit as st
from PIL import Image, ImageFilter

st.title("Simple Image Editor")
st.write("Upload an image to enhance it with filters.")

uploaded_file = st.file_uploader("Choose an image:", type=["jpg", "jpeg", "png"])

if uploaded_file is not None:
    # Read the uploaded image
    image = Image.open(uploaded_file)

    # Create a sidebar for filter selection
    selected_filter = st.sidebar.selectbox("Select a Filter:", ("Original", "Grayscale", "Brightness Adjustment"))

    if selected_filter == "Grayscale":
        # Apply grayscale filter
        filtered_image = image.convert("L")
    elif selected_filter == "Brightness Adjustment":
        # Add a slider for brightness adjustment
        brightness_value = st.sidebar.slider("Brightness", min_value=-100, max_value=100, value=0)
        # Apply brightness adjustment (consider using a more robust method)
        filtered_image = image.filter(ImageEnhance.Brightness(image).enhance(1.0 + brightness_value / 100.0))
    else:
        # Display the original image
        filtered_image = image

    # Display the original and filtered images
    col1, col2 = st.columns(2)
    with col1:
        st.subheader("Original Image")
        st.image(image, width=256)
    with col2:
        st.subheader(f"{selected_filter} Image")
        st.image(filtered_image, width=256)

    # Download button for the edited image
    if st.button("Download Edited Image"):
        with open("edited_image.jpg", "wb") as f:
            filtered_image.save(f, "JPEG")
        st.success("Image downloaded successfully!")