Picturefill

This is a Rails-Wrapper for picturefill.js: https://github.com/scottjehl/picturefill

Installation

Add this line to your application's Gemfile:

gem 'picturefill'

And then execute:

$ bundle

Or install it yourself as:

$ gem install picturefill

Usage

Add this line to your application layout (asset-pipeline enabled)

= javascript_include_tag 'picturefill.all'

Or w/o asset-pipeline, add these two lines:

= javascript_include_tag 'matchmedia.min'
= javascript_include_tag 'picturefill.min'

ViewHelper

Example

<%= picturefill(default_url, "AltText") do %>
  <%= image(small_url) %>
  <%= image(medium_url, :min => 400) %>
  <%= image(medium_high_dpi_url, :min => 400, :ratio => 1.5) %>
  <%= image(medium_high_dpi_url, :min => 400, :ratio => 1.5, :webkit => true) %>
  <%= image(large_url, :min => 1000) %>
  <%= image(large_high_dpi_url, "(min-width: 1000px) and (min-device-pixel-ratio: 1.5)") %>
<% end %>

Contributing