Embed Mozilla's PDF.js viewer into your angular application, maintaining that look and feel of pdf's we all love. The directive embeds the full viewer, which allows you to scroll through the pdf.
We're no longer using this library ourselves. We'll merge pull requests and create new releases, but not actively solve issues.
npm install angular-pdfjs-viewer --save
Chrome, FireFox, Safari and Egde.
Below you will find a basic example of how the directive can be used.
Note that the order of the scripts matters. Stick to the order of dependencies as shown in the example below.
Also note that images, translations and such are being loaded from the web folder.
<!DOCTYPE html>
<html ng-app="app" ng-controller="AppCtrl">
<head>
<title>Angular PDF.js demo</title>
<script src="bower_components/pdf.js-viewer/pdf.js"></script>
<link rel="stylesheet" href="bower_components/pdf.js-viewer/viewer.css">
<script src="bower_components/angular/angular.js"></script>
<script src="bower_components/angular-pdfjs-viewer/dist/angular-pdfjs-viewer.js"></script>
<script src="app.js"></script>
<style>
html, body { height: 100%; width: 100%; margin: 0; padding: 0; }
.some-pdf-container { width: 100%; height: 100%; }
</style>
</head>
<body>
<div class="some-pdf-container">
<pdfjs-viewer src="{{ pdf.src }}"></pdfjs-viewer>
</div>
</body>
</html>angular.module('app', ['pdfjsViewer']);
angular.module('app').controller('AppCtrl', function($scope) {
$scope.pdf = {
src: 'example.pdf',
};
});The <pdfjs-viewer> directive takes the following attributes.
The source should point to the URL of a publicly available pdf.
Note that the src must be passed in as an interpolation string.
<pdfjs-viewer src="{{ pdf.src }}"></pdfjs-viewer>$scope.pdf.src = "http://example.com/file.pdf";In the case that you cannot simply use the URL of the pdf, you can pass in raw data as
a Uint8Array object.
The data attribute takes a scope variable as its argument.
<pdfjs-viewer data="pdf.data"></pdfjs-viewer>$scope.data = null; // this is loaded async
$http.get("http://example.com/file.pdf", {
responseType: 'arraybuffer'
}).then(function (response) {
$scope.pdf.data = new Uint8Array(response.data);
});The scale attribute can be used to obtain the current scale (zoom level) of the PDF.
The value will be stored in the variable specified. This is read only.
<pdfjs-viewer scale="scale"></pdfjs-viewer>These buttons are by default all visible in the toolbar and can be hidden.
<pdfjs-viewer download="false" print="false" ... ></pdfjs-viewer>The on-init function is called when PDF.JS is fully loaded.
<pdfjs-viewer on-init="onInit()"></pdfjs-viewer>$scope.onInit = function () {
// pdf.js is initialized
}The on-page-load function is each time a page is loaded and will pass the page number.
When the scale changes all pages are unloaded, so on-page-load will be called again for each page.
If onPageLoad() returns false, the page will not be marked as loaded and onPageLoad will be called again for that page on the next (200ms) interval.
<pdfjs-viewer on-page-load="onPageLoad(page)"></pdfjs-viewer>$scope.onPageLoad = function (page) {
// page is loaded
};The <pdfjs-viewer> directive automatically expands to the height and width of its first immediate parent, in the case of the example .some-pdf-container.
If no parent container is given the html body will be used. Height and width are required to properly display the contents of the pdf.
You can test out a demo of this directive. You must run the node server first due to CORS. First make sure the dependencies are installed.
cd demo
npm install
bower install
Afterwards run the server like so.
node server.js
The server will be running on localhost:8080
By default the location of PDF.js assets are automatically determined. However if you place them on alternative locations they may not be found. If so, you can configure these locations.
You may disable using the Web Workers API. This is useful if you want to add pdf.worker.js to your concatenated JavaScript file. However this will have a negative effect on the runtime performance.
As part of your build process you might include all your library scripts within a concatenated Javascript file whilst excluding the pdf.worker.js file. Use setWorkerSrc() to point to the pdf.worker.js script.
angular.module('app').config(function(pdfjsViewerConfigProvider) {
pdfjsViewerConfigProvider.setWorkerSrc("/assets/pdf.js-viewer/pdf.worker.js");
pdfjsViewerConfigProvider.setCmapDir("/assets/pdf.js-viewer/cmaps");
pdfjsViewerConfigProvider.setImageDir("/assets/pdf.js-viewer/images");
pdfjsViewerConfigProvider.disableWorker();
pdfjsViewerConfigProvider.setVerbosity("infos"); // "errors", "warnings" or "infos"
});
Note that a number of images used in the PDF.js viewer are loaded by the viewer.css. You can't configure these
through JavaScript. Instead you need to compile the viewer.less file as
lessc --global-var='pdfjsImagePath=/assets/pdf.js-viewer/images' viewer.less viewer.css
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