74 lines
2.2 KiB
Python
74 lines
2.2 KiB
Python
# Copyright 2022 The MediaPipe Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Bounding box data class."""
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import dataclasses
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from typing import Any
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from mediapipe.framework.formats import location_data_pb2
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from mediapipe.tasks.python.core.optional_dependencies import doc_controls
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_BoundingBoxProto = location_data_pb2.LocationData.BoundingBox
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@dataclasses.dataclass
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class BoundingBox:
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"""An integer bounding box, axis aligned.
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Attributes:
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origin_x: The X coordinate of the top-left corner, in pixels.
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origin_y: The Y coordinate of the top-left corner, in pixels.
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width: The width of the bounding box, in pixels.
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height: The height of the bounding box, in pixels.
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"""
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origin_x: int
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origin_y: int
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width: int
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height: int
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@doc_controls.do_not_generate_docs
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def to_pb2(self) -> _BoundingBoxProto:
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"""Generates a BoundingBox protobuf object."""
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return _BoundingBoxProto(
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xmin=self.origin_x,
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ymin=self.origin_y,
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width=self.width,
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height=self.height,
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)
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@classmethod
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@doc_controls.do_not_generate_docs
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def create_from_pb2(cls, pb2_obj: _BoundingBoxProto) -> 'BoundingBox':
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"""Creates a `BoundingBox` object from the given protobuf object."""
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return BoundingBox(
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origin_x=pb2_obj.xmin,
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origin_y=pb2_obj.ymin,
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width=pb2_obj.width,
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height=pb2_obj.height)
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def __eq__(self, other: Any) -> bool:
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"""Checks if this object is equal to the given object.
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Args:
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other: The object to be compared with.
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Returns:
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True if the objects are equal.
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"""
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if not isinstance(other, BoundingBox):
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return False
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return self.to_pb2().__eq__(other.to_pb2())
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