comparison layer/Colour3DPlotRenderer.cpp @ 1100:102f986ec032 spectrogram-minor-refactor

Create, but don't yet use, a renderer in the colour 3d plot layer

 }
 
 bool
 Colour3DPlotRenderer::useBinResolutionForDrawBuffer(LayerGeometryProvider *v) const
 {
-    DenseThreeDimensionalModel *model = m_sources.source;
+    const DenseThreeDimensionalModel *model = m_sources.source;
     if (!model) return false;
     int binResolution = model->getResolution();
     int zoomLevel = v->getZoomLevel();
     return (binResolution > zoomLevel);
 }

     
     // Draw to the draw buffer, and then copy from there. The draw
     // buffer is at the same resolution as the target in the cache, so
     // no extra scaling needed.
 
-    DenseThreeDimensionalModel *model = m_sources.source;
+    const DenseThreeDimensionalModel *model = m_sources.source;
     if (!model || !model->isOK() || !model->isReady()) {
 	throw std::logic_error("no source model provided, or model not ready");
     }
 
     int h = v->getPaintHeight();

     
     // Draw to the draw buffer, and then scale-copy from there. Draw
     // buffer is at bin resolution, i.e. buffer x == source column
     // number. We use toolkit smooth scaling for interpolation.
 
-    DenseThreeDimensionalModel *model = m_sources.source;
+    const DenseThreeDimensionalModel *model = m_sources.source;
     if (!model || !model->isOK() || !model->isReady()) {
 	throw std::logic_error("no source model provided, or model not ready");
     }
 
     // The draw buffer will contain a fragment at bin resolution. We

     int maxbin = int(binfory[h-1]);
     if (minbin < 0) minbin = 0;
     if (maxbin < 0) maxbin = minbin+1;
 
     int divisor = 1;
-    DenseThreeDimensionalModel *sourceModel = m_sources.source;
+    const DenseThreeDimensionalModel *sourceModel = m_sources.source;
     if (usePeaksCache) {
         divisor = m_sources.peaks->getColumnsPerPeak();
         sourceModel = m_sources.peaks;
     }
 

     int minbin = int(binfory[0] + 0.0001);
     int maxbin = int(binfory[h-1]);
     if (minbin < 0) minbin = 0;
     if (maxbin < 0) maxbin = minbin+1;
 
-    FFTModel *fft = m_sources.fft;
+    const FFTModel *fft = m_sources.fft;
 
     FFTModel::PeakSet peakfreqs;
 
     int psx = -1;