Hi, I rebased the xddf-shape-properties branch on the latest trunk, making a more linear history for it and improved the code, as well as provided an example to use the new shape properties to change the color of a bar chart series.
https://github.com/apache/poi/pull/72 <https://github.com/apache/poi/pull/72> is ready for code review. Best regards, Alain FAGOT BÉAREZ