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from PIL import Image, ImageDraw, ImageFont
import os
from typing import Dict, Any
def add_watermark(image_path: str, watermark_text: str) -> Dict[str, Any]:
try:
image = Image.open(image_path)
overlay = Image.new('RGBA', image.size, (255, 255, 255, 0))
draw = ImageDraw.Draw(overlay)
try:
font_size = min(image.width, image.height) // 20
font = ImageFont.truetype("arial.ttf", font_size)
except:
font = ImageFont.load_default()
bbox = draw.textbbox((0, 0), watermark_text, font=font)
text_width = bbox[2] - bbox[0]
text_height = bbox[3] - bbox[1]
x = (image.width - text_width) // 2
y = (image.height - text_height) // 2
text_color = (255, 255, 255, 128)
draw.text((x-2, y-2), watermark_text, fill=(0, 0, 0, 64), font=font)
draw.text((x, y), watermark_text, fill=text_color, font=font)
watermarked = Image.alpha_composite(image.convert('RGBA'), overlay)
final_image = watermarked.convert('RGB')
base_dir = os.path.dirname(image_path)
base_name, ext = os.path.splitext(os.path.basename(image_path))
new_filename = f"{base_name}_watermarked{ext}"
new_path = os.path.join(base_dir, new_filename)
final_image.save(new_path, quality=95)
output_size = os.path.getsize(new_path)
return {
"success": True,
"message": "Watermark added successfully",
"input_path": image_path,
"output_path": new_path,
"output_size_bytes": output_size,
"watermark_text": watermark_text
}
except Exception as e:
return {
"success": False,
"error": str(e),
"input_path": image_path,
"output_path": None
} |