Rails で material-design-icon を使う

マテリアルアイコンを使う

環境

ruby 2.4.0p0 (2016-12-24 revision 57164) [x86_64-linux]
Rails 5.0.1

fonts ディレクトリを作成する

rails プロジェクトルートに居る前提

$ mkdir app/assets/fonts

フォントファイルを入手

ここからとってきてasssets/fontsに入れる

github.com

$ cd app/assets/fonts
$ wget https://github.com/google/material-design-icons/raw/master/iconfont/MaterialIcons-Regular.eot
$ wget https://github.com/google/material-design-icons/raw/master/iconfont/MaterialIcons-Regular.ttf
$ wget https://github.com/google/material-design-icons/raw/master/iconfont/MaterialIcons-Regular.woff
$ wget https://github.com/google/material-design-icons/raw/master/iconfont/MaterialIcons-Regular.woff2

CSS設定

ここ見ながらやる

Material Icons Guide - Google Design

app/assets/stylesheets/custom.scss

// font settings
@font-face {
  font-family: 'Material Icons';
  font-style: normal;
  font-weight: 400;
  src: font_url(/assets/MaterialIcons-Regular.eot); /* For IE6-8 */
  src: font_url(/assets/MaterialIcons-Regular.woff2) format('woff2'),
       font_url(/assets/MaterialIcons-Regular.woff) format('woff'),
       font_url(/assets/MaterialIcons-Regular.ttf) format('truetype');
}

.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;  /* Preferred icon size */
  display: inline-block;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;

  /* Support for all WebKit browsers. */
  -webkit-font-smoothing: antialiased;
  /* Support for Safari and Chrome. */
  text-rendering: optimizeLegibility;

  /* Support for Firefox. */
  -moz-osx-font-smoothing: grayscale;

  /* Support for IE. */
  font-feature-settings: 'liga';
}