pdf.js/examples/components/pageviewer.js
2016-03-04 20:30:36 +01:00

57 lines
1.9 KiB
JavaScript

/* Copyright 2014 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
if (!PDFJS.PDFViewer || !PDFJS.getDocument) {
alert('Please build the library and components using\n' +
' `gulp generic components`');
}
// The workerSrc property shall be specified.
//
PDFJS.workerSrc = '../../build/pdf.worker.js';
// Some PDFs need external cmaps.
//
// PDFJS.cMapUrl = '../../external/bcmaps/';
// PDFJS.cMapPacked = true;
var DEFAULT_URL = '../../web/compressed.tracemonkey-pldi-09.pdf';
var PAGE_TO_VIEW = 1;
var SCALE = 1.0;
var container = document.getElementById('pageContainer');
// Loading document.
PDFJS.getDocument(DEFAULT_URL).then(function (pdfDocument) {
// Document loaded, retrieving the page.
return pdfDocument.getPage(PAGE_TO_VIEW).then(function (pdfPage) {
// Creating the page view with default parameters.
var pdfPageView = new PDFJS.PDFPageView({
container: container,
id: PAGE_TO_VIEW,
scale: SCALE,
defaultViewport: pdfPage.getViewport(SCALE),
// We can enable text/annotations layers, if needed
textLayerFactory: new PDFJS.DefaultTextLayerFactory(),
annotationLayerFactory: new PDFJS.DefaultAnnotationLayerFactory()
});
// Associates the actual page with the view, and drawing it
pdfPageView.setPdfPage(pdfPage);
return pdfPageView.draw();
});
});