Update pages/7_Unstructured_data.py

pages/7_Unstructured_data.py

@@ -814,38 +814,38 @@ import streamlit as st
 from PIL import Image
 import numpy as np
 
-def upload():
-    st.title('Image Transformation Tool')
-    uploaded_file = st.file_uploader("Upload an image", type=['jpg', 'png', 'jpeg'])
+    def upload():
+        st.title('Image Transformation Tool')
+        uploaded_file = st.file_uploader("Upload an image", type=['jpg', 'png', 'jpeg'])
     
-    if uploaded_file is not None:
-        img = Image.open(uploaded_file)
-        st.image(img, caption='Uploaded Image', use_container_width=True)
-        
-        option = st.selectbox('Choose a transformation:', ['None', 'Scale', 'Translate', 'Rotate', 'Shear', 'Slice'])
-        
-        if option == 'Scale':
-            scale_factor = st.slider('Select Scale Factor',0.1, 3.0, 1.0, key='scale_factor')
-            img = img.resize((int(img.width * scale_factor), int(img.height * scale_factor)))
-        elif option == 'Translate':
-            x_offset = st.slider('X Offset', -100, 100, 0, key='x_offset')
-            y_offset = st.slider('Y Offset', -100, 100, 0, key='y_offset')
-            translated_img = Image.new('RGBA', (img.width + abs(x_offset), img.height + abs(y_offset)), (255, 255, 255, 0))
-            translated_img.paste(img, (max(x_offset, 0), max(y_offset, 0)))
-            img = translated_img
-        elif option == 'Rotate':
-            angle = st.slider('Select Rotation Angle', 0, 360, 0, key='rotation_angle')
-            img = img.rotate(angle, expand=True)
-        elif option == 'Shear':
-            shear_factor = st.slider('Select Shear Factor', -1.0, 1.0, 0.0, key='shear_factor')
-            matrix = (1, shear_factor, 0, shear_factor, 1, 0)
-            img = img.transform(img.size, Image.AFFINE, matrix)
-        elif option == 'Slice':
-            left = st.slider('Left', 0, img.width, 0, key='slice_left')
-            upper = st.slider('Upper', 0, img.height, 0, key='slice_upper')
-            right = st.slider('Right', left, img.width, img.width, key='slice_right')
-            lower = st.slider('Lower', upper, img.height, img.height, key='slice_lower')
-            img = img.crop((left, upper, right, lower))
-        
-        st.image(img, caption=f'{option} Image', use_container_width=True)
-        st.download_button('Download Transformed Image', img.tobytes(), file_name='transformed_image.png', mime='image/png')
+        if uploaded_file is not None:
+            img = Image.open(uploaded_file)
+            st.image(img, caption='Uploaded Image', use_container_width=True)
+        
+            option = st.selectbox('Choose a transformation:', ['None', 'Scale', 'Translate', 'Rotate', 'Shear', 'Slice'])
+        
+            if option == 'Scale':
+                scale_factor = st.slider('Select Scale Factor',0.1, 3.0, 1.0, key='scale_factor')
+                img = img.resize((int(img.width * scale_factor), int(img.height * scale_factor)))
+            elif option == 'Translate':
+                x_offset = st.slider('X Offset', -100, 100, 0, key='x_offset')
+                y_offset = st.slider('Y Offset', -100, 100, 0, key='y_offset')
+                translated_img = Image.new('RGBA', (img.width + abs(x_offset), img.height + abs(y_offset)), (255, 255, 255, 0))
+                translated_img.paste(img, (max(x_offset, 0), max(y_offset, 0)))
+                img = translated_img
+            elif option == 'Rotate':
+                angle = st.slider('Select Rotation Angle', 0, 360, 0, key='rotation_angle')
+                img = img.rotate(angle, expand=True)
+            elif option == 'Shear':
+                shear_factor = st.slider('Select Shear Factor', -1.0, 1.0, 0.0, key='shear_factor')
+                matrix = (1, shear_factor, 0, shear_factor, 1, 0)
+                img = img.transform(img.size, Image.AFFINE, matrix)
+            elif option == 'Slice':
+                left = st.slider('Left', 0, img.width, 0, key='slice_left')
+                upper = st.slider('Upper', 0, img.height, 0, key='slice_upper')
+                right = st.slider('Right', left, img.width, img.width, key='slice_right')
+                lower = st.slider('Lower', upper, img.height, img.height, key='slice_lower')
+                img = img.crop((left, upper, right, lower))
+        
+            st.image(img, caption=f'{option} Image', use_container_width=True)
+            st.download_button('Download Transformed Image', img.tobytes(), file_name='transformed_image.png', mime='image/png')