Html2img

This gem enables you to download HTML elements at the click of a button. Requires JQuery. This Gem uses JavaScript files from https://github.com/hongru/canvas2image https://github.com/niklasvh/html2canvas https://github.com/dankogai/js-base64

Installation

Add this line to your application's Gemfile:

gem 'html2img'

And then execute:

$ bundle

Or install it yourself as:

$ gem install html2img

The add to your application.js file

//= require html2img

Usage

On the button that you want to start the download with add in the HTML of the element the class html2img-#download-#<id> where is the id attribute of the element you want to download.

An example

<div id="block" style="height: 200px; width: 200px; background-color: pink;"></div>

<input type="button" class="html2img-#download-#block btn" value="Download"/>

Development

After checking out the repo, run bin/setup to install dependencies. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/edmothershaw/html2img. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.