tdf#50934: Add a comment
Change-Id: I3986242fa584310acccba4830d8872043381cef6
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/160732
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
diff --git a/chart2/source/view/charttypes/PieChart.cxx b/chart2/source/view/charttypes/PieChart.cxx
index 9b14945..402857b 100644
--- a/chart2/source/view/charttypes/PieChart.cxx
+++ b/chart2/source/view/charttypes/PieChart.cxx
@@ -996,6 +996,11 @@ void PieChart::createShapes()
sal_Int32 nEnd = pDataSrc->getNPoints(pSeries, SubPieType::LEFT);
double compFrac = pDataSrc->getData(pSeries, nEnd - 1,
SubPieType::LEFT) / aParam.mfLogicYSum;
// The following isn't quite right. The tangent points on the left
// pie are only at pi/2 and -pi/2 for composite wedges over 1/2 the
// total if left and right pies are the same diameter. And the
// threshold of 1/2 isn't quite right either. So there
// really should be a more sophisticated approach here. TODO
if (compFrac < 0.5) {
// Translated, per below
xl0 = aParam.mfUnitCircleOuterRadius * m_fLeftScale *
