Producing WYSIWYG Text Output - People who have ever tried to implement WYSIWYG text output encountered the problem of how to draw text on different devices and in different resolutions in the same way -- especially if you implemented text formatting.

• 没有实现WYSIWYG文本输出的开发者会遇到如何在不同的设备和分辨率环境下以统一的方式绘制文本，尤其如果你需要实现文本格式。