How to use dataprovider to color wedges of a piechart

Hi!
Is it possible to use a color provided by a dataprovider to
color the correspoding wedges in a piechart?
e.g.
<answer>
<text>room to improve</text>
<bgcolor>#ff00ff</bgcolor>
<results>5</results>
</answer>
I use 'text' for the legend, 'results' as value and I want to
color the wedge with 'bgcolor'.
I can not use CSS or fix values as the colors can vary every
time...
Any idea?

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How to use dataprovider to color wedges of a piechart

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