Cropping an Image in a circular way using Streamlit - https://www.geeksforgeeks.org/cropping-an-image-in-a-circular-way-using-python/

st_crop_image.py

"""
streamlit run st_crop_image.py
"""
import streamlit as st
import numpy as np
from pathlib import Path
from PIL import Image
from PIL import ImageDraw

st.title("Cropping an Image in a circular way using Python")
st.caption("https://www.geeksforgeeks.org/cropping-an-image-in-a-circular-way-using-python/")
path_to_picture = st.text_input("Path to image")

if path_to_picture == "":
    st.info("Please write path to image")
    st.stop()
if not Path(path_to_picture).exists():
    st.warning(f'File `{path_to_picture}` not found')
    st.stop()

c1, c2 = st.columns(2)

img = Image.open(path_to_picture)

height, width = img.size
lum_img = Image.new("L", [height, width], 0)

draw = ImageDraw.Draw(lum_img)
draw.pieslice([(0, 0), (height, width)], 0, 360, fill=255, outline="white")

img_arr = np.array(img)
lum_img_arr = np.array(lum_img)

final_img_arr = np.dstack((img_arr, lum_img_arr))

with c1:
  st.caption("Original image")
  st.image(img)

with c2:
  st.caption("Cropped image")
  st.image(Image.fromarray(final_img_arr))