comparison layer/SpectrogramLayer.cpp @ 518:fe134ec37a2a

* fix unsigned overflow causing spectrogram to "disappear" in some
  resolution and scroll combinations

         displayMaxFreq = getEffectiveMaxFrequency();
     }
 
 //    std::cerr << "(giving actual minFreq " << minFreq << " and display minFreq " << displayMinFreq << ")" << std::endl;
 
-    size_t increment = getWindowIncrement();
+    int increment = getWindowIncrement();
     
     bool logarithmic = (m_frequencyScale == LogFrequencyScale);
 /*
     float yforbin[maxbin - minbin + 1];
 

         if (sx1 <= sx0) sx1 = sx0 + 1;
 
         for (int y = 0; y < h; ++y) peaks[y] = 0.f;
             
         for (int sx = sx0; sx < sx1; ++sx) {
+
+#ifdef DEBUG_SPECTROGRAM_REPAINT
+//            std::cerr << "sx = " << sx << std::endl;
+#endif
 
             if (sx < 0 || sx >= int(sourceModel->getWidth())) continue;
 
             if (!m_synchronous) {
                 if (!sourceModel->isColumnAvailable(sx)) {