comparison view/View.h @ 183:5f86ae638b04

* Omit translucent blue fill for selection rectangles that are superimposed
  over layers that use colours for meaningful purposes such as the spectrogram
  (CHARM change request)

     LayerList getNonScrollableFrontLayers(bool testChanged, bool &changed) const;
     size_t getZoomConstraintBlockSize(size_t blockSize,
 				      ZoomConstraint::RoundingDirection dir =
 				      ZoomConstraint::RoundNearest) const;
 
+    // True if the top layer(s) use colours for meaningful things.  If
+    // this is the case, selections will be shown using unfilled boxes
+    // rather than with a translucent fill.
+    bool areLayerColoursSignificant() const;
+
     bool setCentreFrame(size_t f, bool doEmit);
 
     void checkProgress(void *object);
 
     size_t              m_centreFrame;