* The value of <code>null</code> unsets the solidFIll attribute from the underlying xml
*/
public void setFillColor(Color color) {
CTShapeProperties spPr = getSpPr();
if (color == null) {
if(spPr.isSetSolidFill()) spPr.unsetSolidFill();
}
else {
CTSolidColorFillProperties fill = spPr.isSetSolidFill() ? spPr.getSolidFill() : spPr.addNewSolidFill();
CTSRgbColor rgb = CTSRgbColor.Factory.newInstance();