# Copyright (c) 2023, NVIDIA CORPORATION.  All rights reserved.

# Original source taken from https://github.com/open-mmlab/mmskeleton

# Copyright 2019 OpenMMLAB

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

""" Base Pixel Sampler."""

from abc import ABCMeta, abstractmethod


class BasePixelSampler(metaclass=ABCMeta):
    """Base class of pixel sampler."""

    def __init__(self, **kwargs):
        """Init Function."""
        pass

    @abstractmethod
    def sample(self, seg_logit, seg_label):
        """Placeholder for sample function."""
        pass
