Change rotations to use angle and vector in APIs

Quaternions are pain in the behind to use, especially
in QML, so change them to angle + vector combinations.

Change-Id: I25eb5ea92deaf3a079e2e193cce2e8de89f3c3c4
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/datavisualization/data/abstractrenderitem_p.h b/src/datavisualization/data/abstractrenderitem_p.h
index fa06db54..8d2fab8a 100644
--- a/src/datavisualization/data/abstractrenderitem_p.h
+++ b/src/datavisualization/data/abstractrenderitem_p.h
@@ -57,10 +57,18 @@ public:
     void setSelectionLabel(const QString &label);
     QString &selectionLabel(); // Formats selection label if not previously formatted
 
+    inline QQuaternion rotation() const { return m_rotation; }
+    inline void setRotation(const QQuaternion &rotation)
+    {
+        if (m_rotation != rotation)
+            m_rotation = rotation;
+    }
+
 protected:
     QString m_selectionLabel;
     QVector3D m_translation;
     LabelItem *m_selectionLabelItem;
+    QQuaternion m_rotation;
 
     friend class QAbstractDataItem;
 };