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# app.py
import streamlit as st
from PIL import Image, ImageOps
import io
st.set_page_config(page_title="Image Filter App", layout="centered")
st.title("🖼️ Simple Image Filter App")
st.write("Upload a PNG or JPG image under 5MB to apply filters.")
st.caption("📦 Only PNG or JPG under 5MB allowed.")
# File uploader with type restriction
uploaded_file = st.file_uploader("Upload Image", type=["png", "jpg", "jpeg"])
if uploaded_file:
# Check file size
uploaded_file.seek(0, io.SEEK_END)
file_size = uploaded_file.tell()
uploaded_file.seek(0) # Reset pointer
if file_size > 5 * 1024 * 1024:
st.error("❌ File size exceeds 5MB. Please upload a smaller image.")
else:
image = Image.open(uploaded_file)
st.image(image, caption="Original Image", use_container_width=True)
st.subheader("Choose a Filter")
filter_option = st.radio("Select filter:", ["None", "Grayscale", "Invert Colors"])
if filter_option == "Grayscale":
filtered_image = ImageOps.grayscale(image)
st.image(filtered_image, caption="Grayscale Image", use_container_width=True)
elif filter_option == "Invert Colors":
if image.mode != "RGB":
image = image.convert("RGB")
filtered_image = ImageOps.invert(image)
st.image(filtered_image, caption="Inverted Image", use_container_width=True)
elif filter_option == "None":
st.info("Select a filter to apply to the image.")
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