added brightness,gamma,saturation sliders and apply in playback thread

src/main_window.cpp

@@ -150,6 +150,35 @@ void AC_MainWindow::createControls() {
     connect(slide_g, SIGNAL(valueChanged(int)), this, SLOT(slideChanged(int)));
     connect(slide_b, SIGNAL(valueChanged(int)), this, SLOT(slideChanged(int)));
     
+    QLabel *label_slide_bright = new QLabel("Brightness: ", this);
+    label_slide_bright->setGeometry(10, 280, 75, 20);
+    slide_bright = new QSlider(Qt::Horizontal, this);
+    slide_bright->setGeometry(80, 275, 100, 30);
+    slide_bright->setMaximum(255);
+    slide_bright->setMinimum(0);
+    slide_bright->setTickInterval(0);
+
+    
+    QLabel *label_slide_gamma = new QLabel("Gamma: ", this);
+    label_slide_gamma->setGeometry(190, 280, 65, 20);
+    slide_gamma = new QSlider(Qt::Horizontal, this);
+    slide_gamma->setGeometry(245, 275, 100, 30);
+    slide_gamma->setMaximum(255);
+    slide_gamma->setMinimum(0);
+    slide_gamma->setTickInterval(0);
+   
+    QLabel *label_sat = new QLabel("Saturation: ", this);
+    label_sat->setGeometry(350, 280, 100, 20);
+    slide_saturation = new QSlider(Qt::Horizontal, this);
+    slide_saturation->setGeometry(420, 275, 100, 30);
+    slide_saturation->setMaximum(255);
+    slide_saturation->setMinimum(0);
+    slide_saturation->setTickInterval(0);
+    
+    connect(slide_bright, SIGNAL(valueChanged(int)), this, SLOT(colorChanged(int)));
+    connect(slide_gamma, SIGNAL(valueChanged(int)), this, SLOT(colorChanged(int)));
+    connect(slide_saturation, SIGNAL(valueChanged(int)), this, SLOT(colorChanged(int)));
+    
     log_text = new QTextEdit(this);
     log_text->setGeometry(10, 450, 780,310);
     log_text->setReadOnly(true);
@@ -266,6 +295,10 @@ void AC_MainWindow::slideChanged(int) {
     playback->setRGB(slide_r->sliderPosition(), slide_g->sliderPosition(), slide_b->sliderPosition());
 }
 
+void AC_MainWindow::colorChanged(int) {
+    playback->setColorOptions(slide_bright->sliderPosition(), slide_gamma->sliderPosition(), slide_saturation->sliderPosition());
+}
+
 void AC_MainWindow::addClicked() {
     int row = filters->currentRow();
     if(row != -1) {

src/main_window.h

@@ -53,6 +53,7 @@ public slots:
     void cb_SetIndex(int index);
     void frameInc();
     void slideChanged(int pos);
+    void colorChanged(int pos);
 private:
     void createControls();
     void createMenu();

src/playback_thread.cpp

@@ -11,6 +11,7 @@ Playback::Playback(QObject *parent) : QThread(parent) {
     stop = true;
     isStep = false;
     isPaused = false;
+    bright_ = gamma_ = saturation_ = 0;
 }
 
 void Playback::Play() {
@@ -100,6 +101,14 @@ void Playback::setOptions(bool n, int c) {
     mutex.unlock();
 }
 
+void Playback::setColorOptions(int b, int g, int s) {
+    mutex.lock();
+    bright_ = b;
+    gamma_ = g;
+    saturation_ = s;
+    mutex.unlock();
+}
+
 void Playback::setRGB(int r, int g, int b) {
     mutex.lock();
     ac::swapColor_r = r;
@@ -146,6 +155,16 @@ void Playback::run() {
                 } else if(cur[i].first == 2) {
                     draw_plugin(frame, cur[i].second);
                 }
+                if(bright_ > 0) {
+                    ac::setBrightness(frame, 1.0, bright_);
+                }
+                if(gamma_ > 0) {
+                    cv::Mat gam = frame.clone();
+                    ac::setGamma(gam, frame, gamma_);
+                }
+                if(saturation_ > 0) {
+                    ac::setSaturation(frame, saturation_);
+                }
             }
         } else {
             msleep(duration);

src/playback_thread.h

@@ -32,10 +32,12 @@ private:
     VideoMode mode;
     int device_num;
     unsigned int red, green, blue;
+    unsigned int bright_, gamma_, saturation_;
 public:
     Playback(QObject *parent = 0);
     ~Playback();
     void setRGB(int r, int g, int b);
+    void setColorOptions(int b, int g, int s);
     void Play();
     void Stop();
     void Release();