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# Conflicts: # codecs/cpp.Dockerfile # codecs/imagequant/example.html # codecs/webp/dec/webp_dec.d.ts # codecs/webp/dec/webp_dec.js # codecs/webp/dec/webp_dec.wasm # codecs/webp/enc/webp_enc.d.ts # codecs/webp/enc/webp_enc.js # codecs/webp/enc/webp_enc.wasm # package-lock.json # package.json # src/codecs/tiny.webp # src_old/codecs/encoders.ts # src_old/codecs/processor-worker/tiny.avif # src_old/codecs/processor-worker/tiny.webp # src_old/codecs/tiny.webp # src_old/components/compress/index.tsx # src_old/lib/util.ts # src_old/sw/util.ts
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src/client/index.tsx
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59
src/client/index.tsx
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/**
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* Copyright 2020 Google Inc. All Rights Reserved.
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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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* http://www.apache.org/licenses/LICENSE-2.0
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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 { wrap } from 'comlink';
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import workerURL from 'omt:image-worker';
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import imgURL from 'url:./tmp.png';
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import type { ProcessorWorkerApi } from 'image-worker/index';
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const worker = new Worker(workerURL);
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const api = wrap<ProcessorWorkerApi>(worker);
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async function demo() {
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const img = document.createElement('img');
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img.src = imgURL;
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await img.decode();
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// Make canvas same size as image
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const canvas = document.createElement('canvas');
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canvas.width = img.width;
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canvas.height = img.height;
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const ctx = canvas.getContext('2d')!;
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ctx.drawImage(img, 0, 0);
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const data = ctx.getImageData(0, 0, img.width, img.height);
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const result = await api.mozjpegEncode(data, {
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quality: 75,
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baseline: false,
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arithmetic: false,
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progressive: true,
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optimize_coding: true,
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smoothing: 0,
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color_space: 3,
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quant_table: 3,
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trellis_multipass: false,
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trellis_opt_zero: false,
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trellis_opt_table: false,
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trellis_loops: 1,
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auto_subsample: true,
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chroma_subsample: 2,
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separate_chroma_quality: false,
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chroma_quality: 75,
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});
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{
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const resultUrl = URL.createObjectURL(new Blob([result]));
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const img = new Image();
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img.src = resultUrl;
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document.body.append(img);
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}
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}
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demo();
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