React 360 PDF viewer

PDF viewer in VR space based on React 360 and PDF.js

Inspired by

• https://github.com/facebook/react-360/issues/392
• https://github.com/LiuC520/ReactVR/blob/master/examples/show_pdf_in_react360/RADEME.md

How to use (simple)

You can show your pdf with GitHub Pages by cloning this repository and replacing the docs/static_assets/demo.pdf.

How to use (complex)

1. Install this package

$ npm install -S react-360-pdf-viewer

1. Import PDF.js at index.html

<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/2.0.550/pdf.min.js"></script>

1. Install PdfModule in clinet.js

import { ReactInstance } from 'react-360-web';
import PdfModule from 'react-360-pdf-viewer/PdfModule';
 
function init(bundle, parent, options = {}) {
  const r360 = new ReactInstance(bundle, parent {
    // Add custom options here
    fullScreen: true,
    nativeModules: [
      ctx => new PdfModule(ctx),
    ],
    ...options,
  });
}

1. Open document and render a page

import { NativeModules } from 'react-360';
const { PdfModule } = NativeModules;
const url = 'some.pdf';
 
PdfModule.getDocument(url).then(pdf => {
  console.log(pdf.numPages);
  // loading
  return PdfModule.renderPage(1, 'pdf_texture');
}).then(() => {
  // done
});
 

1. Show the texture in render method

import React from 'react';
import { PdfPlane } from 'react-360-pdf-viewer';
 
class YourComponent extends React.Component {
  render() {
    return (
      <PdfPlane width={720} height={540} texture="pdf_texture" loading={false} />
    );
  }
}

Reference

Native Modules

PdfModule

• PdfModule.getDocument(url) -> Promise({numPages})

  • execute pdfjsLib.getDocument(url) and store the result

• PdfModule.renderPage(pagenum, textureName) -> Promise()

  • render page pagenum of stored document to a canvas and register it as a texture named textureName

React Components

PdfPlane

A React 360 component to show a rendered texture

• Properties
  • width
  • height
  • texture: textureName to show
  • loading: if true, hide the texture and print the text loading

License

Copyright (c) 2018 Keisuke Minami

MIT