comparison layer/VerticalScaleLayer.h @ 1216:dc2af6616c83

Merge from branch 3.0-integration

 */
 
 #ifndef VERTICAL_SCALE_LAYER_H
 #define VERTICAL_SCALE_LAYER_H
 
+/**
+ * Interface for layers in which the Y axis represents (or can
+ * sometimes represent, depending on the display mode) the sample
+ * value. For example, TimeValueLayer uses vertical scale when in
+ * point mode and so provides this interface.
+ */
 class VerticalScaleLayer
 {
 public:
-    virtual int getYForValue(View *, double value) const = 0;
-    virtual double getValueForY(View *, int y) const = 0;
+    virtual int getYForValue(LayerGeometryProvider *, double value) const = 0;
+    virtual double getValueForY(LayerGeometryProvider *, int y) const = 0;
     virtual QString getScaleUnits() const = 0;
 };
 
 #endif