Update app.py

app.py

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+import streamlit as st
+from PIL import Image, ImageEnhance
+import numpy as np
+
+# Title of the app
+st.title("Image Enhancer Application")
+
+# File uploader to upload the image
+uploaded_file = st.file_uploader("Choose an image...", type=["jpg", "jpeg", "png"])
+
+if uploaded_file is not None:
+    # Open the image
+    image = Image.open(uploaded_file)
+    
+    # Display the original image
+    st.image(image, caption='Original Image', use_column_width=True)
+
+    # Brightness adjustment
+    st.sidebar.header("Adjust Brightness")
+    brightness = st.sidebar.slider("Brightness", 0.0, 2.0, 1.0)
+    enhancer_brightness = ImageEnhance.Brightness(image)
+    enhanced_image_brightness = enhancer_brightness.enhance(brightness)
+    
+    # Contrast adjustment
+    st.sidebar.header("Adjust Contrast")
+    contrast = st.sidebar.slider("Contrast", 0.0, 2.0, 1.0)
+    enhancer_contrast = ImageEnhance.Contrast(enhanced_image_brightness)
+    enhanced_image_contrast = enhancer_contrast.enhance(contrast)
+    
+    # Show the enhanced image
+    st.image(enhanced_image_contrast, caption='Enhanced Image', use_column_width=True)
+
+    # Option to download the enhanced image
+    st.sidebar.download_button("Download Enhanced Image", 
+                                 data=np.array(enhanced_image_contrast).tobytes(), 
+                                 file_name="enhanced_image.png", 
+                                 mime="image/png")