137 lines
4.8 KiB
Markdown
137 lines
4.8 KiB
Markdown
# PDF.js [](https://travis-ci.org/mozilla/pdf.js)
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[PDF.js](https://mozilla.github.io/pdf.js/) is a Portable Document Format (PDF) viewer that is built with HTML5.
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PDF.js is community-driven and supported by Mozilla Labs. Our goal is to
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create a general-purpose, web standards-based platform for parsing and
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rendering PDFs.
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## Contributing
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PDF.js is an open source project and always looking for more contributors. To
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get involved, visit:
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+ [Issue Reporting Guide](https://github.com/mozilla/pdf.js/blob/master/.github/CONTRIBUTING.md)
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+ [Code Contribution Guide](https://github.com/mozilla/pdf.js/wiki/Contributing)
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+ [Frequently Asked Questions](https://github.com/mozilla/pdf.js/wiki/Frequently-Asked-Questions)
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+ [Good Beginner Bugs](https://github.com/mozilla/pdf.js/issues?direction=desc&labels=5-good-beginner-bug&page=1&sort=created&state=open)
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+ [Projects](https://github.com/mozilla/pdf.js/projects)
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Feel free to stop by #pdfjs on irc.mozilla.org for questions or guidance.
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## Getting Started
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### Online demo
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+ https://mozilla.github.io/pdf.js/web/viewer.html
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### Browser Extensions
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#### Firefox
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PDF.js is built into version 19+ of Firefox.
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#### Chrome
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+ The official extension for Chrome can be installed from the [Chrome Web Store](https://chrome.google.com/webstore/detail/pdf-viewer/oemmndcbldboiebfnladdacbdfmadadm).
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*This extension is maintained by [@Rob--W](https://github.com/Rob--W).*
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+ Build Your Own - Get the code as explained below and issue `gulp chromium`. Then open
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Chrome, go to `Tools > Extension` and load the (unpackaged) extension from the
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directory `build/chromium`.
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## Getting the Code
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To get a local copy of the current code, clone it using git:
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$ git clone https://github.com/mozilla/pdf.js.git
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$ cd pdf.js
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Next, install Node.js via the [official package](https://nodejs.org) or via
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[nvm](https://github.com/creationix/nvm). You need to install the gulp package
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globally (see also [gulp's getting started](https://github.com/gulpjs/gulp/blob/master/docs/getting-started.md#getting-started)):
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$ npm install -g gulp-cli
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If everything worked out, install all dependencies for PDF.js:
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$ npm install
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Finally, you need to start a local web server as some browsers do not allow opening
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PDF files using a `file://` URL. Run:
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$ gulp server
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and then you can open:
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+ http://localhost:8888/web/viewer.html
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Please keep in mind that this requires an ES6 compatible browser; refer to [Building PDF.js](https://github.com/mozilla/pdf.js/blob/master/README.md#building-pdfjs) for usage with older browsers.
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It is also possible to view all test PDF files on the right side by opening:
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+ http://localhost:8888/test/pdfs/?frame
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## Building PDF.js
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In order to bundle all `src/` files into two production scripts and build the generic
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viewer, run:
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$ gulp generic
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This will generate `pdf.js` and `pdf.worker.js` in the `build/generic/build/` directory.
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Both scripts are needed but only `pdf.js` needs to be included since `pdf.worker.js` will
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be loaded by `pdf.js`. The PDF.js files are large and should be minified for production.
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## Using PDF.js in a web application
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To use PDF.js in a web application you can choose to use a pre-built version of the library
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or to build it from source. We supply pre-built versions for usage with NPM and Bower under
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the `pdfjs-dist` name. For more information and examples please refer to the
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[wiki page](https://github.com/mozilla/pdf.js/wiki/Setup-pdf.js-in-a-website) on this subject.
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## Including via a CDN
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PDF.js is hosted on several free CDNs:
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- https://www.jsdelivr.com/package/npm/pdfjs-dist
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- https://cdnjs.com/libraries/pdf.js
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- https://unpkg.com/pdfjs-dist/
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## Learning
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You can play with the PDF.js API directly from your browser using the live demos below:
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+ [Interactive examples](https://mozilla.github.io/pdf.js/examples/index.html#interactive-examples)
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More examples can be found in the [examples folder](https://github.com/mozilla/pdf.js/tree/master/examples/). Some of them are using the pdfjs-dist package, which can be built and installed in this repo directory via `gulp dist-install` command.
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For an introduction to the PDF.js code, check out the presentation by our
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contributor Julian Viereck:
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+ https://www.youtube.com/watch?v=Iv15UY-4Fg8
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More learning resources can be found at:
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+ https://github.com/mozilla/pdf.js/wiki/Additional-Learning-Resources
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The API documentation can be found at:
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+ https://mozilla.github.io/pdf.js/api/
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## Questions
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Check out our FAQs and get answers to common questions:
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+ https://github.com/mozilla/pdf.js/wiki/Frequently-Asked-Questions
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Talk to us on IRC (Internet Relay Chat):
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+ #pdfjs on irc.mozilla.org
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File an issue:
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+ https://github.com/mozilla/pdf.js/issues/new
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Follow us on twitter: @pdfjs
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+ https://twitter.com/pdfjs
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