Update app.py

app.py

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+import streamlit as st
+from PIL import Image, ImageEnhance, ImageFilter
+import numpy as np
+import cv2
+import io
+
+# Function to adjust brightness, contrast, saturation
+def adjust_image(img, brightness=1.0, contrast=1.0, saturation=1.0):
+    enhancer = ImageEnhance.Brightness(img)
+    img = enhancer.enhance(brightness)
+    
+    enhancer = ImageEnhance.Contrast(img)
+    img = enhancer.enhance(contrast)
+    
+    enhancer = ImageEnhance.Color(img)
+    img = enhancer.enhance(saturation)
+    
+    return img
+
+# Function to apply grayscale filter
+def apply_grayscale(img):
+    return img.convert("L")
+
+# Function to apply blur effect
+def apply_blur(img):
+    return img.filter(ImageFilter.GaussianBlur(radius=5))
+
+# Function to crop image
+def crop_image(img, left, upper, right, lower):
+    return img.crop((left, upper, right, lower))
+
+# Function to cut a piece of the image
+def cut_piece(img, x, y, width, height):
+    img_np = np.array(img)
+    cut_img = img_np[y:y+height, x:x+width]
+    return Image.fromarray(cut_img)
+
+# Streamlit App UI
+st.title("Image Editing App")
+
+uploaded_file = st.file_uploader("Upload an image", type=["png", "jpg", "jpeg"])
+
+if uploaded_file is not None:
+    # Open the uploaded image
+    img = Image.open(uploaded_file)
+    
+    st.image(img, caption="Uploaded Image", use_column_width=True)
+    
+    # Adjust brightness, contrast, and saturation
+    st.sidebar.header("Adjust Image")
+    brightness = st.sidebar.slider("Brightness", 0.0, 2.0, 1.0)
+    contrast = st.sidebar.slider("Contrast", 0.0, 2.0, 1.0)
+    saturation = st.sidebar.slider("Saturation", 0.0, 2.0, 1.0)
+    
+    img = adjust_image(img, brightness, contrast, saturation)
+    
+    # Filters and effects
+    filter_option = st.sidebar.selectbox(
+        "Select a Filter",
+        ["None", "Grayscale", "Blur"]
+    )
+    
+    if filter_option == "Grayscale":
+        img = apply_grayscale(img)
+    elif filter_option == "Blur":
+        img = apply_blur(img)
+    
+    # Crop and cut image functionality
+    crop_option = st.sidebar.checkbox("Crop Image")
+    if crop_option:
+        left = st.sidebar.slider("Left", 0, img.width, 0)
+        upper = st.sidebar.slider("Upper", 0, img.height, 0)
+        right = st.sidebar.slider("Right", left, img.width, img.width)
+        lower = st.sidebar.slider("Lower", upper, img.height, img.height)
+        img = crop_image(img, left, upper, right, lower)
+    
+    cut_option = st.sidebar.checkbox("Cut a Piece of Image")
+    if cut_option:
+        x = st.sidebar.slider("X position", 0, img.width, 0)
+        y = st.sidebar.slider("Y position", 0, img.height, 0)
+        width = st.sidebar.slider("Width", 1, img.width - x, 100)
+        height = st.sidebar.slider("Height", 1, img.height - y, 100)
+        img = cut_piece(img, x, y, width, height)
+    
+    # Display edited image
+    st.image(img, caption="Edited Image", use_column_width=True)
+    
+    # Option to download edited image
+    buffered = io.BytesIO()
+    img.save(buffered, format="PNG")
+    st.download_button(label="Download Image", data=buffered.getvalue(), file_name="edited_image.png", mime="image/png")