missbleue/watermark.py

from PIL import Image, ImageOps
import os
from pathlib import Path# main.py
import logging
import tempfile

logger = logging.getLogger(__name__)
logger.info("Logger from watermark")

def create_watermark_image(image_path, filigrane_path="logo-lescreationsdemissbleue-fond-transparent.png"):
    #image = Image.open(image_path).convert("RGBA")
    image = ImageOps.exif_transpose(Image.open(image_path)).convert("RGBA")
    filigrane = Image.open(filigrane_path).convert("RGBA")
    temp_dir = tempfile.gettempdir()

    # Resize the watermak (ex: 25% of widht from principal image)
    """ratio = 0.25
    """
    ratio = 0.15  # instead of 0.25
    new_width = int(image.width * ratio)
    new_height = int(filigrane.height * (new_width / filigrane.width))
    filigrane = filigrane.resize((new_width, new_height), Image.Resampling.LANCZOS)

    # Change the color in grey and handle the transparency
    """filigrane = filigrane.convert("L").convert("RGBA")  # Gris
    alpha = filigrane.getchannel("A").point(lambda p: int(p * 0.3))  # ~30% opacité
    filigrane.putalpha(alpha)"""

    x = image.width - filigrane.width - 30  # 10px from right edge
    y = image.height - filigrane.height - 30  # 10px from bottom edge

    # Paste watermark (with alpha mask)
    image.paste(filigrane, (x, y), filigrane)

    temp_image_path = os.path.join(temp_dir, image_path)

    # Save the result
    #output_path = image_path.rsplit('.', 1)
    #output_path = f"{output_path[0]}.jpg"
    output_path = os.path.basename(temp_image_path)
    try:
        if not os.path.exists(output_path):
            image.convert("RGB").save(output_path, "JPEG")
    except Exception as e:
            logger.exception(f"🔥 Image avec filigrane existe déjà : {e} - {Path(output_path).name}")
        
    #print(f"outpath = {output_path}")
    return output_path
   #print(f"✅ Image enregistrée : {output_path}")