Enable camera targeting.

Also fix custom item positioning in absolute mode as it was completely
broken in bars and z-coord was flipped in others.

Clarified Q3DObject::position property usage, namely that it is reserved
for internal use for now.

Some refactoring also done.

Task-number: QTRD-2567
Change-Id: I5da65b83a2f8ecf20f8fd054e59748278ef1a714
Reviewed-by: Titta Heikkala <titta.heikkala@digia.com>
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/datavisualization/engine/abstract3drenderer_p.h b/src/datavisualization/engine/abstract3drenderer_p.h
index 40c7db0a..50370954 100644
--- a/src/datavisualization/engine/abstract3drenderer_p.h
+++ b/src/datavisualization/engine/abstract3drenderer_p.h
@@ -207,6 +207,8 @@ protected:
                          const QMatrix4x4 &projectionViewMatrix, const QMatrix4x4 &depthMatrix);
 
     float calculatePolarBackgroundMargin();
+    virtual void fixCameraTarget(QVector3D &target) = 0;
+    void updateCameraViewport();
 
     bool m_hasNegativeValues;
     Q3DTheme *m_cachedTheme;
@@ -274,6 +276,8 @@ protected:
     float m_vBackgroundMargin;
     float m_hBackgroundMargin;
 
+    QVector3D m_oldCameraTarget;
+
 private:
     friend class Abstract3DController;
 };