forked from floraachy/ImageKnife
54 lines
2.2 KiB
Plaintext
54 lines
2.2 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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import { SparkMD5 } from '../3rd_party/sparkmd5/spark-md5';
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import { ImageKnifeOption } from '../ImageKnifeOption';
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import { IEngineKey } from './IEngineKey';
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import { PixelMapTransformation } from '../transform/PixelMapTransformation';
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import { ImageKnifeRequestSource } from '../model/ImageKnifeData';
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@Sendable
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export class DefaultEngineKey implements IEngineKey {
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// 生成内存缓存key
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generateMemoryKey(loadSrc: string | PixelMap | Resource, requestSource: ImageKnifeRequestSource,
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imageKnifeOption: ImageKnifeOption,isAnimator?: boolean, width?: number, height?: number): string {
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let key = (isAnimator == true ? "Animator=" : "loadSrc==") + (typeof loadSrc == "string" ? loadSrc : JSON.stringify(loadSrc)) + ";"
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if (requestSource === ImageKnifeRequestSource.SRC) {
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if (imageKnifeOption.signature !== undefined && imageKnifeOption.signature !== "") {
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key += "signature=" + imageKnifeOption.signature + ";"
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}
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if (imageKnifeOption.transformation) {
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key += "transformation=" + this.getTransformation(imageKnifeOption.transformation) + ";"
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}
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}
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return key
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}
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// 生成文件缓存key
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generateFileKey(loadSrc: string | PixelMap | Resource, signature?: string,isAnimator?: boolean): string {
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let src = (isAnimator == true ? "Animator=" : "loadSrc==") + (typeof loadSrc == "string" ? loadSrc : JSON.stringify(loadSrc)) + ";"
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if (signature !== undefined && signature !== "") {
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src += "signature=" + signature + ";"
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}
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return SparkMD5.hashBinary(src)
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}
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private getTransformation(transformation: PixelMapTransformation): string {
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return transformation.getName()
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}
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}
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