59c4041a49
This patch also changes most examples to use "top level await", since that's now supported and slightly simplifies the code.
64 lines
1.9 KiB
JavaScript
64 lines
1.9 KiB
JavaScript
/* Copyright 2014 Mozilla Foundation
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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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*/
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if (!pdfjsLib.getDocument || !pdfjsViewer.PDFPageView) {
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// eslint-disable-next-line no-alert
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alert("Please build the pdfjs-dist library using\n `gulp dist-install`");
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}
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// The workerSrc property shall be specified.
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//
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pdfjsLib.GlobalWorkerOptions.workerSrc =
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"../../node_modules/pdfjs-dist/build/pdf.worker.mjs";
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// Some PDFs need external cmaps.
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//
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const CMAP_URL = "../../node_modules/pdfjs-dist/cmaps/";
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const CMAP_PACKED = true;
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const DEFAULT_URL = "../../web/compressed.tracemonkey-pldi-09.pdf";
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const PAGE_TO_VIEW = 1;
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const SCALE = 1.0;
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const ENABLE_XFA = true;
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const container = document.getElementById("pageContainer");
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const eventBus = new pdfjsViewer.EventBus();
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// Loading document.
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const loadingTask = pdfjsLib.getDocument({
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url: DEFAULT_URL,
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cMapUrl: CMAP_URL,
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cMapPacked: CMAP_PACKED,
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enableXfa: ENABLE_XFA,
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});
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const pdfDocument = await loadingTask.promise;
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// Document loaded, retrieving the page.
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const pdfPage = await pdfDocument.getPage(PAGE_TO_VIEW);
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// Creating the page view with default parameters.
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const pdfPageView = new pdfjsViewer.PDFPageView({
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container,
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id: PAGE_TO_VIEW,
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scale: SCALE,
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defaultViewport: pdfPage.getViewport({ scale: SCALE }),
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eventBus,
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});
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// Associate the actual page with the view, and draw it.
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pdfPageView.setPdfPage(pdfPage);
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pdfPageView.draw();
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