comparison layer/ColourScaleLayer.h @ 1148:c0d841cb8ab9 tony-2.0-integration

Merge latest SV 3.0 branch code

 #include <QString>
 #include <QColor>
 
 class LayerGeometryProvider;
 
+/**
+ * Interface for layers in which a colour scale represents (or can
+ * sometimes represent, depending on the display mode) the sample
+ * value. For example, TimeValueLayer uses colour scale when in
+ * segment mode and so provides this interface for use by the
+ * LogColourScale or LinearColourScale scale renderers.
+ */
 class ColourScaleLayer
 {
 public:
     virtual QString getScaleUnits() const = 0;
     virtual QColor getColourForValue(LayerGeometryProvider *v, double value) const = 0;