From 6a6c51f80ec919cc84e66a00559e1bc04f746ca5 Mon Sep 17 00:00:00 2001
From: Mark Peng <peng.markv@gmail.com>
Date: Thu, 1 Aug 2013 15:04:58 -0700
Subject: [PATCH] Add skeleton tracking toggle in options menu in interface.

---
 interface/src/Application.cpp | 1 +
 interface/src/Webcam.cpp      | 4 ++--
 interface/src/Webcam.h        | 7 +++++--
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 7fc9bd7ac8..0de45b3dcf 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -1728,6 +1728,7 @@ void Application::initMenu() {
     _testPing->setChecked(true);
     (_fullScreenMode = optionsMenu->addAction("Fullscreen", this, SLOT(setFullscreen(bool)), Qt::Key_F))->setCheckable(true);
     optionsMenu->addAction("Webcam", &_webcam, SLOT(setEnabled(bool)))->setCheckable(true);
+    optionsMenu->addAction("Toggle Skeleton Tracking", &_webcam, SLOT(toggleSkeletonTracking(bool)))->setCheckable(true);
     optionsMenu->addAction("Go Home", this, SLOT(goHome()));
     
     QMenu* renderMenu = menuBar->addMenu("Render");
diff --git a/interface/src/Webcam.cpp b/interface/src/Webcam.cpp
index d4fa015ba0..921f4f427b 100644
--- a/interface/src/Webcam.cpp
+++ b/interface/src/Webcam.cpp
@@ -32,7 +32,7 @@ int jointVectorMetaType = qRegisterMetaType<JointVector>("JointVector");
 int matMetaType = qRegisterMetaType<Mat>("cv::Mat");
 int rotatedRectMetaType = qRegisterMetaType<RotatedRect>("cv::RotatedRect");
 
-Webcam::Webcam() : _enabled(false), _active(false), _colorTextureID(0), _depthTextureID(0) {
+Webcam::Webcam() : _enabled(false), _active(false), _colorTextureID(0), _depthTextureID(0), _skeletonTrackingOn(false) {
     // the grabber simply runs as fast as possible
     _grabber = new FrameGrabber();
     _grabber->moveToThread(&_grabberThread);
@@ -194,7 +194,7 @@ void Webcam::setFrame(const Mat& color, int format, const Mat& depth, float mean
     
     // store our face rect and joints, update our frame count for fps computation
     _faceRect = faceRect;
-    _joints = joints;
+    if (_skeletonTrackingOn) _joints = joints;
     _frameCount++;
     
     const int MAX_FPS = 60;
diff --git a/interface/src/Webcam.h b/interface/src/Webcam.h
index 3910bb4a19..7e27fba189 100644
--- a/interface/src/Webcam.h
+++ b/interface/src/Webcam.h
@@ -45,7 +45,7 @@ public:
     ~Webcam();
 
     bool isActive() const { return _active; }
-    
+
     GLuint getColorTextureID() const { return _colorTextureID; }
     GLuint getDepthTextureID() const { return _depthTextureID; }
     const cv::Size2f& getTextureSize() const { return _textureSize; }
@@ -57,13 +57,14 @@ public:
     const JointVector& getEstimatedJoints() const { return _estimatedJoints; }
 
     void reset();
-    void renderPreview(int screenWidth, int screenHeight);
+    void renderPreview(int screenWidth, int screenHeight);  
 
 public slots:
     
     void setEnabled(bool enabled);
     void setFrame(const cv::Mat& color, int format, const cv::Mat& depth, float meanFaceDepth,
         const cv::RotatedRect& faceRect, const JointVector& joints);
+    void toggleSkeletonTracking(bool toggle) { _skeletonTrackingOn = toggle; };
 
 private:
     
@@ -88,6 +89,8 @@ private:
     glm::vec3 _estimatedPosition;
     glm::vec3 _estimatedRotation;
     JointVector _estimatedJoints;
+
+    bool _skeletonTrackingOn;
 };
 
 class FrameGrabber : public QObject {