| 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 | |
| } |