Update app.py

app.py

@@ -1,11 +1,11 @@
 # app.py
 import streamlit as st
-from PIL import Image, ImageOps
+from PIL import Image, ImageOps, ImageFilter, ImageEnhance
 import io
 
 st.set_page_config(page_title="Image Filter App", layout="wide")
 
-st.title("🖼️ Image Filter App")
+st.title("🖼️ Fun Image Filter App")
 
 # 3-column layout
 col1, col2, col3 = st.columns([1, 1, 1])  # equal width
@@ -33,7 +33,11 @@ if uploaded_file:
 
         with col2:
             st.header("🎛️ Select Filter")
-            filter_option = st.radio("Choose filter:", ["None", "Grayscale", "Invert Colors"])
+            filter_option = st.selectbox("Choose a filter:", [
+                "None", "Grayscale", "Invert Colors", "Sepia", "Blur", "Edge Detection", 
+                "Posterize", "Emboss", "Solarize", "Brightness Boost", "Contrast Boost", 
+                "Flip Horizontal", "Flip Vertical", "Rotate 90°"
+            ])
 
         with col3:
             st.header("🔍 Preview Output")
@@ -48,6 +52,71 @@ if uploaded_file:
                 filtered_image = ImageOps.invert(image)
                 st.image(filtered_image, caption="Inverted", use_container_width=True)
 
+            elif filter_option == "Sepia":
+                # Sepia filter
+                width, height = image.size
+                pixels = image.load()  # create the pixel map
+                for py in range(height):
+                    for px in range(width):
+                        r, g, b = image.getpixel((px, py))
+
+                        tr = int(0.393 * r + 0.769 * g + 0.189 * b)
+                        tg = int(0.349 * r + 0.686 * g + 0.168 * b)
+                        tb = int(0.272 * r + 0.534 * g + 0.131 * b)
+
+                        # Apply filter
+                        if tr > 255:
+                            tr = 255
+                        if tg > 255:
+                            tg = 255
+                        if tb > 255:
+                            tb = 255
+
+                        pixels[px, py] = (tr, tg, tb)
+                filtered_image = image
+                st.image(filtered_image, caption="Sepia", use_container_width=True)
+
+            elif filter_option == "Blur":
+                filtered_image = image.filter(ImageFilter.GaussianBlur(radius=5))
+                st.image(filtered_image, caption="Blurred", use_container_width=True)
+
+            elif filter_option == "Edge Detection":
+                filtered_image = image.filter(ImageFilter.FIND_EDGES)
+                st.image(filtered_image, caption="Edge Detection", use_container_width=True)
+
+            elif filter_option == "Posterize":
+                filtered_image = ImageOps.posterize(image, 4)
+                st.image(filtered_image, caption="Posterized", use_container_width=True)
+
+            elif filter_option == "Emboss":
+                filtered_image = image.filter(ImageFilter.EMBOSS)
+                st.image(filtered_image, caption="Emboss", use_container_width=True)
+
+            elif filter_option == "Solarize":
+                filtered_image = ImageOps.solarize(image, threshold=128)
+                st.image(filtered_image, caption="Solarized", use_container_width=True)
+
+            elif filter_option == "Brightness Boost":
+                enhancer = ImageEnhance.Brightness(image)
+                filtered_image = enhancer.enhance(2)  # increase brightness
+                st.image(filtered_image, caption="Brightness Boosted", use_container_width=True)
+
+            elif filter_option == "Contrast Boost":
+                enhancer = ImageEnhance.Contrast(image)
+                filtered_image = enhancer.enhance(2)  # increase contrast
+                st.image(filtered_image, caption="Contrast Boosted", use_container_width=True)
+
+            elif filter_option == "Flip Horizontal":
+                filtered_image = image.transpose(Image.FLIP_LEFT_RIGHT)
+                st.image(filtered_image, caption="Flipped Horizontal", use_container_width=True)
+
+            elif filter_option == "Flip Vertical":
+                filtered_image = image.transpose(Image.FLIP_TOP_BOTTOM)
+                st.image(filtered_image, caption="Flipped Vertical", use_container_width=True)
+
+            elif filter_option == "Rotate 90°":
+                filtered_image = image.rotate(90)
+                st.image(filtered_image, caption="Rotated 90°", use_container_width=True)
+
             else:
                 st.info("Select a filter to see output.")
-