Introduce value axis formatter

Currently only used for label formatting.

Also some other preparatory changes for logaxis.

Task-number: QTRD-2787

Note: Not to be merged until 1.0 is released

Change-Id: I2d7ab70b9c51677d0edd5b0226fb779c9e346286
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/datavisualization/axis/qabstract3daxis_p.h b/src/datavisualization/axis/qabstract3daxis_p.h
index 4eb8de68..80f8f0b2 100644
--- a/src/datavisualization/axis/qabstract3daxis_p.h
+++ b/src/datavisualization/axis/qabstract3daxis_p.h
@@ -53,6 +53,9 @@ public:
 
 protected:
     virtual void updateLabels();
+    virtual bool allowZero() = 0;
+    virtual bool allowNegatives() = 0;
+    virtual bool allowMinMaxSame() = 0;
 
     QAbstract3DAxis *q_ptr;
 
@@ -64,8 +67,6 @@ protected:
     float m_min;
     float m_max;
     bool m_autoAdjust;
-    bool m_onlyPositiveValues;
-    bool m_allowMinMaxSame;
 
     friend class QAbstract3DAxis;
     friend class QValue3DAxis;