Add option to display affines in polar coords.

Source/Fractorium/DoubleSpinBox.cpp

@@ -71,6 +71,14 @@ void DoubleSpinBox::DoubleClickNonZero(double val)
 	m_DoubleClickNonZero = val;
 }
 
+/// <summary>
+/// Get the default step used when the user scrolls.
+/// </summary>
+double DoubleSpinBox::Step()
+{
+	return m_Step;
+}
+
 /// <summary>
 /// Set the default step to be used when the user scrolls.
 /// </summary>
@@ -80,6 +88,14 @@ void DoubleSpinBox::Step(double step)
 	m_Step = step;
 }
 
+/// <summary>
+/// Get the small step to be used when the user holds down shift while scrolling.
+/// </summary>
+double DoubleSpinBox::SmallStep()
+{
+	return m_SmallStep;
+}
+
 /// <summary>
 /// Set the small step to be used when the user holds down shift while scrolling.
 /// The default is step / 10, so use this if something else is needed.