Glue 是一个简单的命令行工具，用来生成 CSS 精灵 Splites。CSS Splites 是将大量的图片合并成一张大图片一次性加载，然后通过 CSS 来使用具体某个小图片的技术。
特点：
Automatic Sprite (PNG+CSS) creation.
Automatic multi-dpi retina sprite creation.
Support for multi-sprite projects.
Create sprites from multiple folders.
Multiple algorithms available.
Automatic crop of unnecessary transparent borders around source images.
Configurable paddings per image, sprite or project.
Watch option to keep glue running watching for file changes.
Optional .less output format.
Automatic sprite images post-processing using OptiPNG.
Sprite- and Project-level configuration via static config files.
Configurable cache busting for sprite images.
Customizable output css templates.
Customizable CSS class names.
项目主页：https://github.com/jorgebastida/glue
下载地址：https://github.com/jorgebastida/glue/releases
来自:开源中国社区
