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3a372fde94
Currently we have no less than three different, but very similar, factories for reading built-in CMap files, standard font files, and wasm files on the main-thread.[1] These factories were added at different points in time, since I cannot imagine that we'd add essentially three copies of the same code otherwise. Nowadays these factories are often not even used[2], since worker-thread fetching is used whenever possible to improve performance. In particular, they will *only* be used when either: - The PDF.js library runs in Node.js environments. - The user manually sets `useWorkerFetch = false` when calling `getDocument`. - The user provides custom `CMapReaderFactory`, `StandardFontDataFactory`, and/or `WasmFactory` instances when calling `getDocument`. By replacing these factories with *a single* new `BinaryDataFactory` factory/option the number of `getDocument` options are thus reduced, which cannot hurt. This also reduces the total bundle-size of the Firefox PDF Viewer a little bit, and it slightly reduces the number of import maps that need to be maintained. *Please note:* For users that provide custom `CMapReaderFactory`, `StandardFontDataFactory`, and `WasmFactory` instances when calling `getDocument` this will be a breaking change, however it's unlikely that (many) such users exist. (The *internal* format data-format of `CMapReaderFactory` was changed in PR 18951, and there hasn't been a single question/complaint about it in well over a year.) --- [1] Any new functionality could easily lead to more such factories being added in the future, which wouldn't be great. [2] Note that the Firefox PDF Viewer no longer use these factories, since it "forcibly" sets `useWorkerFetch = true` during building.
69 lines
2.2 KiB
HTML
69 lines
2.2 KiB
HTML
<!doctype html>
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<!--
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Copyright 2026 Mozilla Foundation
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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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<html dir="ltr" mozdisallowselectionprint lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
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<title>PDF.js — Simple viewer</title>
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<style>
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body {
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background-color: #808080;
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margin: 0;
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padding: 0;
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}
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#viewerContainer {
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overflow: auto;
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position: absolute;
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width: 100%;
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height: 100%;
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}
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</style>
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<link rel="resource" type="application/l10n" href="../../web/locale/locale.json" />
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<link rel="stylesheet" href="../../web/pdf_viewer.css" />
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<script type="importmap">
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{
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"imports": {
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"pdfjs/": "../../src/",
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"pdfjs-lib": "../../src/pdf.js",
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"display-binary_data_factory": "../../src/display/binary_data_factory.js",
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"display-fetch_stream": "../../src/display/fetch_stream.js",
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"display-network": "../../src/display/network.js",
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"display-node_stream": "../../src/display/stubs.js",
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"display-node_utils": "../../src/display/stubs.js",
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"fluent-bundle": "../../node_modules/@fluent/bundle/esm/index.js",
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"fluent-dom": "../../node_modules/@fluent/dom/esm/index.js",
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"cached-iterable": "../../node_modules/cached-iterable/src/index.mjs",
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"web-null_l10n": "../../web/genericl10n.js"
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}
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}
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</script>
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<script src="simple-viewer.js" type="module"></script>
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</head>
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<body tabindex="1">
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<div id="viewerContainer">
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<div id="viewer" class="pdfViewer"></div>
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</div>
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</body>
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</html>
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