Make median filter parallel

loadrunable.cpp

@@ -26,7 +26,7 @@ void loadExifEntry(ImageInfoData &info, ExifContent *content, ExifTag tag)
     }
 }
 
-void drawPeaks(QImage &img, const std::vector<Peak> &peaks, bool half)
+void drawPeaks(QImage &img, const std::vector<Peak> &peaks)
 {
     QPixmap pix = QPixmap::fromImage(img);
     QPainter painter(&pix);
@@ -222,9 +222,11 @@ void LoadRunable::run()
 
     QImage img;
     RawImageAbs *rawImage = nullptr;
+    bool raw = false;
     if(m_file.endsWith(".CR2", Qt::CaseInsensitive))
     {
         loadRAW(m_file, info, m_analyzeLevel != None ? &rawImage : nullptr, &img);
+        raw = true;
     }
     else if(m_file.endsWith(".FIT", Qt::CaseInsensitive))
     {
@@ -244,7 +246,7 @@ void LoadRunable::run()
         }
     }
 
-    if(m_analyzeLevel >= Statistics)
+    if(rawImage && m_analyzeLevel >= Statistics)
     {
         uint64_t mean, median, min, max;
         double stdDev;
@@ -258,10 +260,13 @@ void LoadRunable::run()
         if(m_analyzeLevel >= Peaks)
         {
             std::vector<Peak> peaks;
-            rawImage->quarter();
+            if(raw) {
+                rawImage->quarter();
+                qDebug() << "quarter" << timer.restart();
+            }
             rawImage->medianFilter();
             int numPeaks = rawImage->findPeaks(median+stdDev, 20, peaks);
-            drawPeaks(img, peaks, true);
+            drawPeaks(img, peaks);
             info.append(StringPair(QObject::tr("Peaks"), QString::number(numPeaks)));
             info.append(StringPair(QObject::tr("Peaks draw"), QString::number(peaks.size())));
         }