pdf.js/examples/webpack/main.js
2015-12-21 13:46:50 -06:00

33 lines
1.0 KiB
JavaScript

// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/licenses/publicdomain/
// Hello world example for webpack.
require('pdfjs-dist');
var pdfPath = '../helloworld/helloworld.pdf';
// It is also possible to disable workers via `PDFJS.disableWorker = true`,
// however that might degrade the UI performance in web browsers.
// Loading a document.
var loadingTask = PDFJS.getDocument(pdfPath);
loadingTask.promise.then(function (pdfDocument) {
// Request a first page
return pdfDocument.getPage(1).then(function (pdfPage) {
// Display page on the existing canvas with 100% scale.
var viewport = pdfPage.getViewport(1.0);
var canvas = document.getElementById('theCanvas');
canvas.width = viewport.width;
canvas.height = viewport.height;
var ctx = canvas.getContext('2d');
var renderTask = pdfPage.render({
canvasContext: ctx,
viewport: viewport
});
return renderTask.promise;
});
}).catch(function (reason) {
console.error('Error: ' + reason);
});