forked from floraachy/ImageKnife
36 lines
1.2 KiB
Plaintext
36 lines
1.2 KiB
Plaintext
/*
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* Copyright (C) 2024 Huawei Device Co., Ltd.
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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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*/
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export enum SampleSizeRounding {
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/**
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* Prefer to round the sample size up so that the image is downsampled to smaller than the
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* requested size to use less memory.
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*/
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//(内存优先)
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MEMORY,
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/**
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* Prefer to round the sample size down so that the image is downsampled to larger than the
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* requested size to maintain quality at the expense of extra memory usage.
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*/
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//(质量优先)
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QUALITY
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}
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export function highestOneBit(i: number): number {
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i |= (i >> 1);
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i |= (i >> 2);
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i |= (i >> 4);
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i |= (i >> 8);
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i |= (i >> 16);
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return i - (i >>> 1);
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} |