Win/Loss chart as dynamic image created in SSAS stored procedure

Sascha Lorenz posted the source code for creating win/loss charts in his blog. I really like this kind of charts as it is especially useful for sparklines. Sascha created the bitmap for the chart dynamically on demand using ASP.NET. I thought this could be a great idea for our interactive graphics from the previous posts so that we can easily define them inside the cube and use them in a SSRS report.