Add saturation statistic

rawimage.cpp

@@ -3,6 +3,7 @@
 int THUMB_SIZE = 128;
 int THUMB_SIZE_BORDER = 138;
 int THUMB_SIZE_BORDER_Y = 158;
+double SATURATION = 0.95;
 
 RawImage::ImgType CV2Type(int cvtype)
 {
@@ -84,6 +85,7 @@ RawImage::RawImage(const RawImage &d)
     m_max = d.m_max;
     m_mad = d.m_mad;
     m_stats = d.m_stats;
+    m_saturated = d.m_saturated;
 }
 
 RawImage::RawImage(const QImage &img)
@@ -126,7 +128,7 @@ RawImage::RawImage(const QImage &img)
     m_stats = false;
 }
 
-bool RawImage::imageStats(double *mean, double *stdDev, double *median, double *min, double *max, double *mad)
+bool RawImage::imageStats(double *mean, double *stdDev, double *median, double *min, double *max, double *mad, uint32_t *saturated)
 {
     if(!m_stats)calcStats();
     if(mean)*mean = m_mean;
@@ -135,6 +137,7 @@ bool RawImage::imageStats(double *mean, double *stdDev, double *median, double *
     if(min)*min = m_min;
     if(max)*max = m_max;
     if(mad)*mad = m_mad;
+    if(saturated)*saturated = m_saturated;
 
     return true;
 }
@@ -176,6 +179,12 @@ void RawImage::calcStats()
         }
     }
     if(img.type() == CV_32F)m_median /= histSize;
+
+    int threshold = SATURATION * histSize;
+    m_saturated = 0;
+    for(int i = histSize-1; i >= threshold; i--)
+        m_saturated += hist.at<float>(0, i);
+
     cv::Mat absDev;
     img.convertTo(absDev, CV_32F, 1, -m_median);
     absDev = cv::abs(absDev);