first test

app.py

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+import pandas as pd
+from PIL import Image
+import streamlit as st
+from streamlit_drawable_canvas import st_canvas
+
+
+
+
+def expand2square(imgpath, background_color = (0,0,0)):
+    pil_img = Image.open(imgpath)
+    width, height = pil_img.size
+    if width == height:
+        return pil_img
+    elif width > height:
+        result = Image.new(pil_img.mode, (width, width), background_color)
+        result.paste(pil_img, (0, (width - height) // 2))
+        return result.resize((700, 700))
+    else:
+        result = Image.new(pil_img.mode, (height, height), background_color)
+        result.paste(pil_img, ((height - width) // 2, 0))
+        return result.resize((700, 700))
+
+# Specify canvas parameters in application
+drawing_mode = st.sidebar.selectbox(
+    "Drawing tool:", ("point", "line", "rect", "circle", "transform")
+)
+
+stroke_width = st.sidebar.slider("Stroke width: ", 1, 25, 3)
+if drawing_mode == 'point':
+    point_display_radius = st.sidebar.slider("Point display radius: ", 1, 25, 3)
+stroke_color = st.sidebar.color_picker("Stroke color hex: ")
+bg_color = st.sidebar.color_picker("Background color hex: ", "#eee")
+
+#bg_image = "./IMG_02099.jpg"
+bg_image = st.sidebar.file_uploader("Background image:", type=["png", "jpg"])
+
+realtime_update = st.sidebar.checkbox("Update in realtime", True)
+
+# Create a canvas component
+canvas_result = st_canvas(
+    fill_color="rgba(255, 165, 0, 0.3)",  # Fixed fill color with some opacity
+    stroke_width=stroke_width,
+    stroke_color=stroke_color,
+    background_color=bg_color,
+    background_image=expand2square(bg_image) if bg_image else expand2square("./IMG_02099.jpg"),
+    update_streamlit=realtime_update,
+    height=700,
+    width=700,
+    drawing_mode=drawing_mode,
+    point_display_radius=point_display_radius if drawing_mode == 'point' else 0,
+    key="canvas",
+)
+test= st.sidebar.write(Image.open(bg_image).size if bg_image else None)
+
+testt = st.image(Image.open(bg_image) if bg_image else Image.open("./IMG_02099.jpg"))
+
+test2 = st.sidebar.write(bg_color)
+# Do something interesting with the image data and paths
+# if canvas_result.image_data is not None:
+#    st.image(canvas_result.image_data)
+if canvas_result.json_data is not None:
+    objects = pd.json_normalize(canvas_result.json_data["objects"])  # need to convert obj to str because PyArrow
+    for col in objects.select_dtypes(include=['object']).columns:
+        objects[col] = objects[col].astype("str")
+    st.dataframe(objects)

requirements.txt

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+pandas
+numpy
+streamlit>=0.88
+streamlit-drawable-canvas==0.9.0