Grunticon snippet for a Drupal theme.

template.php

<?php

/**
 * Implements hook_preprocess_html().
 */
function [theme_name]_preprocess_html(&$vars) {

  /**
   * Add Grunticon stylesheet loader.
   */

  /**
   * Array of stylesheets.
   *  This is the default, if you set custom stylesheet names in
   *  Gruntfile.js, update these to reflect those changes.
   */
  $grunticon_stylesheets = array(
    'svg' => 'icons.data.svg.css',
    'png' =>  'icons.data.png.css',
    'fallback' =>  'icons.fallback.css',
  );

  /**
   * Add the absolute path to your stylesheets.
   *  This will depend on your Grunticon task's 'dest' option.
   *  Update this path accordingly.
   */
  array_walk($grunticon_stylesheets, function (&$value, $key) {
    $value = '"' . $GLOBALS['base_url'] . '/' . $GLOBALS['theme_path'] . '/img/grunticon/' . $value . '"';
    }
  );

  /* grunticon Stylesheet Loader | https://github.com/filamentgroup/grunticon | (c) 2012 Scott Jehl, Filament Group, Inc. | MIT license. */
  $grunticon_snippet = 'window.grunticon=function(e){if(e&&3===e.length){var t=window,n=!(!t.document.createElementNS||!t.document.createElementNS("http://www.w3.org/2000/svg","svg").createSVGRect||!document.implementation.hasFeature("http://www.w3.org/TR/SVG11/feature#Image","1.1")||window.opera&&-1===navigator.userAgent.indexOf("Chrome")),o=function(o){var r=t.document.createElement("link"),a=t.document.getElementsByTagName("script")[0];r.rel="stylesheet",r.href=e[o&&n?0:o?1:2],a.parentNode.insertBefore(r,a)},r=new t.Image;r.onerror=function(){o(!1)},r.onload=function(){o(1===r.width&&1===r.height)},r.src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///ywAAAAAAQABAAACAUwAOw=="}};';

  $grunticon_snippet .=  'grunticon([' . implode(', ', $grunticon_stylesheets) . ']);';

  /**
   * Inject the snippet.
   */
  drupal_add_js(
    $grunticon_snippet,
    array(
      'type' => 'inline',
      'scope' => 'footer',
    )
  );

  /**
   * Inject the noscript fallback snippet.
   */
  $grunticon_fallback = array(
    '#type' => 'markup',
    '#markup' => '<noscript><link href=' . $grunticon_stylesheets["fallback"] . ' rel="stylesheet"></noscript>',
  );
  drupal_add_html_head($grunticon_fallback, 'grunticon_fallback');
}

Works like a charm, thank you for sharing!

This is awesome! Thanks John!