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29 lines
940 B
29 lines
940 B
3 years ago
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# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
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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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import numpy as np
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import cv2
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from io import BytesIO
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def resize_by_max(image, max_side=512, force=False):
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h, w = image.shape[:2]
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if max(h, w) < max_side and not force:
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return image
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ratio = max(h, w) / max_side
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w = int(w / ratio + 0.5)
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h = int(h / ratio + 0.5)
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return cv2.resize(image, (w, h))
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