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ff7f87fc21
This should help reduce the maintenance burden of the code, since you no longer need to remember to update separate code when touching the different `PDFPrintServiceFactory` classes.
62 lines
1.9 KiB
JavaScript
62 lines
1.9 KiB
JavaScript
/* Copyright 2021 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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import { getXfaPageViewport, PixelsPerInch } from "pdfjs-lib";
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import { SimpleLinkService } from "./pdf_link_service.js";
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import { XfaLayerBuilder } from "./xfa_layer_builder.js";
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class BasePrintServiceFactory {
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constructor() {
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if (typeof PDFJSDev === "undefined" || PDFJSDev.test("TESTING")) {
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throw new Error("Cannot initialize BasePrintServiceFactory.");
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}
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}
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static initGlobals(app) {}
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static get supportsPrinting() {
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throw new Error("Not implemented: supportsPrinting");
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}
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static createPrintService(params) {
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throw new Error("Not implemented: createPrintService");
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}
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}
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function getXfaHtmlForPrinting(printContainer, pdfDocument) {
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const xfaHtml = pdfDocument.allXfaHtml;
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const linkService = new SimpleLinkService();
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const scale = Math.round(PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100;
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for (const xfaPage of xfaHtml.children) {
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const page = document.createElement("div");
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page.className = "xfaPrintedPage";
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printContainer.append(page);
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const builder = new XfaLayerBuilder({
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pdfPage: null,
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annotationStorage: pdfDocument.annotationStorage,
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linkService,
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xfaHtml: xfaPage,
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});
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const viewport = getXfaPageViewport(xfaPage, { scale });
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builder.render({ viewport, intent: "print" });
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page.append(builder.div);
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}
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}
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export { BasePrintServiceFactory, getXfaHtmlForPrinting };
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