Don't expose filter internal state. Sprinkle some const

2 files changed, 5 insertions, 7 deletions

diff --git a/ftnoir_filter_ewma2/ftnoir_filter_ewma2.cpp b/ftnoir_filter_ewma2/ftnoir_filter_ewma2.cpp
index 43cfd102..11af77f7 100644
--- a/ftnoir_filter_ewma2/ftnoir_filter_ewma2.cpp
+++ b/ftnoir_filter_ewma2/ftnoir_filter_ewma2.cpp
@@ -79,10 +79,9 @@ void FTNoIR_Filter::loadSettings() {
     iniFile.endGroup ();

 }

 

-void FTNoIR_Filter::FilterHeadPoseData(double *current_camera_position,

-                                       double *target_camera_position,

+void FTNoIR_Filter::FilterHeadPoseData(const double *target_camera_position,

                                        double *new_camera_position,

-                                       double *last_post_filter)

+                                       const double *last_post_filter)

 {

     double delta;

     double new_alpha;

diff --git a/ftnoir_filter_ewma2/ftnoir_filter_ewma2.h b/ftnoir_filter_ewma2/ftnoir_filter_ewma2.h
index 18fec8d4..e3a264be 100644
--- a/ftnoir_filter_ewma2/ftnoir_filter_ewma2.h
+++ b/ftnoir_filter_ewma2/ftnoir_filter_ewma2.h
@@ -44,10 +44,9 @@ public:
     ~FTNoIR_Filter();

     void Initialize() {}

 

-    void FilterHeadPoseData(double *current_camera_position,

-                            double *target_camera_position,

+    void FilterHeadPoseData(const double *target_camera_position,

                             double *new_camera_position,

-                            double *last_post_filter);

+                            const double *last_post_filter);

     void receiveSettings(double smin, double smax, double sexpt);

 

 private:

@@ -61,7 +60,7 @@ private:
     double kMinSmoothing;

     double kMaxSmoothing;

     double kSmoothingScaleCurve;

-    

+    double current_camera_position[6];

     QMutex mutex;

 };