InvokeAI/invokeai/backend/image_util/infill_methods/patchmatch.py
2024-04-05 08:49:13 +11:00

68 lines
1.9 KiB
Python

"""
This module defines a singleton object, "patchmatch" that
wraps the actual patchmatch object. It respects the global
"try_patchmatch" attribute, so that patchmatch loading can
be suppressed or deferred
"""
import numpy as np
from PIL import Image
import invokeai.backend.util.logging as logger
from invokeai.app.services.config.config_default import get_config
class PatchMatch:
"""
Thin class wrapper around the patchmatch function.
"""
patch_match = None
tried_load: bool = False
def __init__(self):
super().__init__()
@classmethod
def _load_patch_match(cls):
if cls.tried_load:
return
if get_config().patchmatch:
from patchmatch import patch_match as pm
if pm.patchmatch_available:
logger.info("Patchmatch initialized")
cls.patch_match = pm
else:
logger.info("Patchmatch not loaded (nonfatal)")
else:
logger.info("Patchmatch loading disabled")
cls.tried_load = True
@classmethod
def patchmatch_available(cls) -> bool:
cls._load_patch_match()
if not cls.patch_match:
return False
return cls.patch_match.patchmatch_available
@classmethod
def inpaint(cls, image: Image.Image) -> Image.Image:
if cls.patch_match is None or not cls.patchmatch_available():
return image
np_image = np.array(image)
mask = 255 - np_image[:, :, 3]
infilled = cls.patch_match.inpaint(np_image[:, :, :3], mask, patch_size=3)
return Image.fromarray(infilled, mode="RGB")
def infill_patchmatch(image: Image.Image) -> Image.Image:
IS_PATCHMATCH_AVAILABLE = PatchMatch.patchmatch_available()
if not IS_PATCHMATCH_AVAILABLE:
logger.warning("PatchMatch is not available on this system")
return image
return PatchMatch.inpaint(image)