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import gradio as gr
from PIL import Image, ImageColor
import os
import zipfile
import tempfile
import shutil
def parse_color(color_str):
"""
Parses a color string like "#ff0000", "red", or "rgba(255,0,0,1)" into an (R, G, B) tuple.
"""
try:
if color_str.startswith("rgba"):
rgba = color_str.strip("rgba() ").split(",")
r = int(float(rgba[0]))
g = int(float(rgba[1]))
b = int(float(rgba[2]))
return (r, g, b)
else:
return ImageColor.getrgb(color_str)
except Exception as e:
raise ValueError(f"Invalid color input: {color_str} ({e})")
def recolor_icons(zip_file, selected_color):
target_rgb = parse_color(selected_color)
# Temp directories and output ZIP
temp_input_dir = tempfile.mkdtemp()
temp_output_zip = tempfile.NamedTemporaryFile(delete=False, suffix=".zip")
temp_output_zip.close()
try:
# Extract uploaded ZIP
with zipfile.ZipFile(zip_file, 'r') as zip_ref:
zip_ref.extractall(temp_input_dir)
# Recolor PNGs
for root, _, files in os.walk(temp_input_dir):
for filename in files:
if filename.lower().endswith('.png'):
filepath = os.path.join(root, filename)
image = Image.open(filepath).convert("RGBA")
pixels = image.load()
for y in range(image.height):
for x in range(image.width):
r, g, b, a = pixels[x, y]
if a != 0: # not transparent
pixels[x, y] = (*target_rgb, a)
image.save(filepath)
# Create output ZIP
with zipfile.ZipFile(temp_output_zip.name, 'w') as zip_out:
for root, _, files in os.walk(temp_input_dir):
for file in files:
full_path = os.path.join(root, file)
arcname = os.path.relpath(full_path, temp_input_dir)
zip_out.write(full_path, arcname)
return temp_output_zip.name
finally:
shutil.rmtree(temp_input_dir)
# Gradio UI
with gr.Blocks() as demo:
gr.Markdown("## 🎨 PNG Icon Recolor Tool")
gr.Markdown(
"Upload a **ZIP** file of `.png` images and pick any color.\n"
"All non-transparent pixels will be recolored to your chosen color.\n"
"Transparency is preserved. Get a new ZIP to download."
)
with gr.Row():
zip_input = gr.File(label="📁 Upload ZIP of PNGs", file_types=[".zip"])
color_picker = gr.ColorPicker(label="🎨 Choose Color", value="#ffffff")
output_zip = gr.File(label="⬇️ Download Recolored ZIP")
submit_btn = gr.Button("🔄 Recolor Icons")
submit_btn.click(fn=recolor_icons, inputs=[zip_input, color_picker], outputs=output_zip)
if __name__ == "__main__":
demo.launch() |