InvokeAI/invokeai/backend/image_util/invisible_watermark.py
psychedelicious 22ac204678 fix(config): fix invisible_watermark handling
This setting was hardcoded to True. Simplified logic around it to not have a conditional that does nothing.
2024-03-19 09:24:28 +11:00

31 lines
1.0 KiB
Python

"""
This module defines a singleton object, "invisible_watermark" that
wraps the invisible watermark model. It respects the global "invisible_watermark"
configuration variable, that allows the watermarking to be supressed.
"""
import cv2
import numpy as np
from imwatermark import WatermarkEncoder
from PIL import Image
import invokeai.backend.util.logging as logger
from invokeai.app.services.config.config_default import get_config
config = get_config()
class InvisibleWatermark:
"""
Wrapper around InvisibleWatermark module.
"""
@classmethod
def add_watermark(cls, image: Image.Image, watermark_text: str) -> Image.Image:
logger.debug(f'Applying invisible watermark "{watermark_text}"')
bgr = cv2.cvtColor(np.array(image.convert("RGB")), cv2.COLOR_RGB2BGR)
encoder = WatermarkEncoder()
encoder.set_watermark("bytes", watermark_text.encode("utf-8"))
bgr_encoded = encoder.encode(bgr, "dwtDct")
return Image.fromarray(cv2.cvtColor(bgr_encoded, cv2.COLOR_BGR2RGB)).convert("RGBA")