How to use "textures" with Flex charts?

I'm new to Flex...I'm wondering if I can make a flex bar chart display a "texture" instead o开发者_如何学Gof a color?

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http://vinothbabu.com/2010/04/13/flex-bar-chart-with-different-colors/

You need to write your own itemRenderer where you can specify the texture instead of colors.