estahn

@mixin all-retina-sprites($map, $map2x) {
  @media (min--moz-device-pixel-ratio: 1.5),
    (-o-min-device-pixel-ratio: 3/2),
    (-webkit-min-device-pixel-ratio: 1.5),
    (min-device-pixel-ratio: 1.5),
    (min-resolution: 1.5dppx) {

    $base-class: sprite-map-name($map);

    .#{$base-class}-all-retina-sprites {

thefuxia

<?php # -*- coding: utf-8 -*-
/**
 * Plugin Name: Plugin Class Demo
 * Description: How I am using the base class in plugins.
 * Plugin URI:
 * Version:     2012.09.29
 * Author:      Fuxia Scholz
 * License:     GPL
 * Text Domain: plugin_unique_name
 * Domain Path: /languages

alanhogan

$sprites: sprite-map("sprites/*.png");
$sprites-retina: sprite-map("sprites-retina/*.png");

@mixin sprite-background($name) {
  background-image: sprite-url($sprites);
  background-position: sprite-position($sprites, $name);
  background-repeat: no-repeat;
  display: block;
  height: image-height(sprite-file($sprites, $name));
  width: image-width(sprite-file($sprites, $name));

thulstrup

$sprites: sprite-map("sprites/*.png");
$sprites-retina: sprite-map("sprites-retina/*.png");

@mixin sprite-background($name) {
  background-image: sprite-url($sprites);
  background-position: sprite-position($sprites, $name);
  background-repeat: no-repeat;
  display: block;
  height: image-height(sprite-file($sprites, $name));
  width: image-width(sprite-file($sprites, $name));