Added API for changing data aspect ratio

Task-number: QTRD-3144
Change-Id: I9acd1be13083d7fbbed840882260a60f46c5f698
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/datavisualization/engine/abstract3drenderer_p.h b/src/datavisualization/engine/abstract3drenderer_p.h
index 4a6ee545..cd3608a8 100644
--- a/src/datavisualization/engine/abstract3drenderer_p.h
+++ b/src/datavisualization/engine/abstract3drenderer_p.h
@@ -118,6 +118,8 @@ public:
     virtual CustomRenderItem *addCustomItem(QCustom3DItem *item);
     virtual void updateCustomItem(CustomRenderItem *renderItem);
 
+    virtual void updateAspectRatio(float ratio);
+
     virtual QVector3D convertPositionToTranslation(const QVector3D &position,
                                                    bool isAbsolute) = 0;
 
@@ -159,6 +161,8 @@ protected:
 
     void fixGradient(QLinearGradient *gradient, GLuint *gradientTexture);
 
+    void calculateZoomLevel();
+
     bool m_hasNegativeValues;
     Q3DTheme *m_cachedTheme;
     Drawer *m_drawer;
@@ -197,6 +201,8 @@ protected:
 
     bool m_useOrthoProjection;
 
+    float m_graphAspectRatio;
+
 private:
     friend class Abstract3DController;
 };