Polar graph support, phase one

- Polar property for toggling the polar mode
- Example added. Example docs will be added in another patch once all
  of the functionality the example needs has been implemented.
- Only surface graph supports polar so far. Scatter to be added later.

Change-Id: I54d36f764ac1771ac88f73a5f3a2142f2309f6e8
Reviewed-by: Mika Salmela <mika.salmela@digia.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/tests/surfacetest/graphmodifier.cpp b/tests/surfacetest/graphmodifier.cpp
index ed86f03c..56cd23cc 100644
--- a/tests/surfacetest/graphmodifier.cpp
+++ b/tests/surfacetest/graphmodifier.cpp
@@ -777,6 +777,11 @@ void GraphModifier::toggleZAscending(bool enabled)
     }
 }
 
+void GraphModifier::togglePolar(bool enabled)
+{
+    m_graph->setPolar(enabled);
+}
+
 void GraphModifier::resetArrayAndSliders(QSurfaceDataArray *array, float minZ, float maxZ, float minX, float maxX)
 {
     m_axisMinSliderX->setValue(minX);