<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.6.347/pdf.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.6.347/pdf_viewer.min.css" rel="stylesheet" type="text/css" />
<script type="text/javascript">
var pdfjsLib = window['pdfjs-dist/build/pdf'];
pdfjsLib.GlobalWorkerOptions.workerSrc = 'https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.6.347/pdf.worker.min.js';
var pdfDoc = null;
var scale = 1; //Set Scale for Zoom.
var resolution = IsMobile() ? 1.5 : 1; //Set Resolution as per Desktop and Mobile.
function LoadPdfFromUrl(url) {
//Read PDF from URL.
pdfjsLib.getDocument(url).promise.then(function (pdfDoc_) {
pdfDoc = pdfDoc_;
//Reference the Container DIV.
var pdf_container = document.getElementById("pdf_container");
pdf_container.style.display = "block";
pdf_container.style.height = IsMobile() ? "1200px" : "820px";
//Loop and render all pages.
for (var i = 1; i <= pdfDoc.numPages; i++) {
RenderPage(pdf_container, i);
}
});
};
function RenderPage(pdf_container, num) {
pdfDoc.getPage(num).then(function (page) {
//Create Canvas element and append to the Container DIV.
var canvas = document.createElement('canvas');
canvas.id = 'pdf-' + num;
ctx = canvas.getContext('2d');
pdf_container.appendChild(canvas);
//Create and add empty DIV to add SPACE between pages.
var spacer = document.createElement("div");
spacer.style.height = "20px";
pdf_container.appendChild(spacer);
//Set the Canvas dimensions using ViewPort and Scale.
var viewport = page.getViewport({ scale: scale });
canvas.height = resolution * viewport.height;
canvas.width = resolution * viewport.width;
//Render the PDF page.
var renderContext = {
canvasContext: ctx,
viewport: viewport,
transform: [resolution, 0, 0, resolution, 0, 0]
};
page.render(renderContext);
});
};
function IsMobile() {
var r = new RegExp("Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini");
return r.test(navigator.userAgent);
}
</script>
