参考：Visual Filters and Transitions Reference.aspx)、滤镜在线预览、Matrix 在线预览、Introduction to Filters and Transitions.aspx)

注意：An object must have layout for the filter to render. A simple way to accomplish this is to give the element a specified height and width, or both. However, there are several other properties that can give an element layout. For more information about these other properties, see the hasLayout.aspx) property.