ad app

app.py

@@ -0,0 +1,30 @@
+import streamlit as st
+import numpy as np
+from PIL import Image
+
+
+uploaded_file = st.file_uploader("Choose an image", type=['png', 'jpg', 'jpeg'])
+pixelsize = st.selectbox(
+    'Pixel grid size',
+    (256, 128, 64, 32), format_func=lambda x: f'{x}px')
+
+if uploaded_file:
+    submit_button = st.button(label='Generate pixel art!')
+    if uploaded_file and submit_button:
+        img_raw = Image.open(uploaded_file)
+        hsv_image = img_raw.convert("HSV")
+        hue, saturation, value = hsv_image.split()
+        threshold = 180
+        saturation = saturation.point(lambda x: 255 if x > threshold else x)
+        hsv_image = Image.merge("HSV", (hue, saturation, value))
+        img = hsv_image.convert("RGB")
+        size = img.size
+
+        new_size = (size[0] * pixelsize // max(size), size[1] * pixelsize // max(size))
+
+        img = img.convert("RGB").convert("P", palette=Image.ADAPTIVE, colors=128).resize(new_size, resample=Image.NEAREST).quantize(colors=256, kmeans=0, dither=Image.Dither.FLOYDSTEINBERG)
+
+        img = img.resize(size, resample=Image.NEAREST)
+        col1, col2 = st.columns(2)
+        col1.image(img_raw)
+        col2.image(img, channels='RGB')