I was also struggling with this problem.. the solution that i used is: //Step 1: store a refer to the renderer var pageRendering = page.render(renderContext); //Step : hook into the pdf render complete event var completeCallback = pageRendering.internalRenderTask.callback; pageRendering.internalRenderTask.callback = function (error) { //Step 2: what you want to do before calling the complete method … Read more
Quick answer – no and it is quite unlikely you will find a cross-browser solution. It is very unlikely that you will find a PDF-perfect solution. Better to think about having the users edit HTML and generate the PDF at the server. [Edit June 29th 2021- given this question is from 2017 you may think … Read more
I updated the example from the Pdf.js github http://jsbin.com/pdfjs-prevnext-v2/edit#html,live to scale properly to a fixed canvas width. See http://jsfiddle.net/RREv9/ for my code. The important line is var viewport = page.getViewport(canvas.width / page.getViewport(1.0).width); because the expression canvas.width / page.getViewport(1.0).width gives us the appropriate scaling factor. You should change the width of your canvas not with css … Read more
here is a nice example of how to use pdf.js for extracting the text: http://git.macropus.org/2011/11/pdftotext/example/ of course you have to remove a lot of code for your purpose, but it should do it
PDFJS has a member variable numPages, so you’d just iterate through them. BUT it’s important to remember that getting a page in pdf.js is asynchronous, so the order wouldn’t be guaranteed. So you’d need to chain them. You could do something along these lines: var currPage = 1; //Pages are 1-based not 0-based var numPages … Read more
from the sourcecode at http://mozilla.github.com/pdf.js/build/pdf.js /** * This is the main entry point for loading a PDF and interacting with it. * NOTE: If a URL is used to fetch the PDF data a standard XMLHttpRequest(XHR) * is used, which means it must follow the same origin rules that any XHR does * e.g. No … Read more
There is documentation available on their github readme. They cite the following example code: /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ // // See README for overview // ‘use strict’; // // Fetch the PDF document from the URL using promises … Read more