remove unused line

[ardour.git] / libs / ardour / ardour / parameter_descriptor.h

diff --git a/libs/ardour/ardour/parameter_descriptor.h b/libs/ardour/ardour/parameter_descriptor.h
index 2348b05903b33bd681cdb17ae0e8d20723429b32..87363bb2c31b46e9782868d7427de873059cd5e7 100644 (file)
--- a/libs/ardour/ardour/parameter_descriptor.h
+++ b/libs/ardour/ardour/parameter_descriptor.h
@@ -55,6 +55,39 @@ struct LIBARDOUR_API ParameterDescriptor : public Evoral::ParameterDescriptor
 
        ParameterDescriptor();
 
+       /** control-value to normalized [0..1] range
+        *
+        * Convert given AutomationType from lower/upper range to [0..1]
+        * interface value, using settings from Evoral::ParameterDescriptor.
+        *
+        * default for AutomationControl::internal_to_interface ();
+        */
+       float to_interface (float) const;
+
+       /** normalized [0..1] to control-value range
+        *
+        * Convert [0..1] to the control's range of this AutomationType
+        * using settings from Evoral::ParameterDescriptor.
+        *
+        * default for AutomationControl::interface_to_internal ();
+        */
+       float from_interface (float) const;
+
+       bool  is_linear () const;
+       float compute_delta (float from, float to) const;
+       float apply_delta (float value, float delta) const;
+
+       /* find the closest scale-point, return the internal value of
+        * the prev/next scale-point (no wrap-around)
+        *
+        * If the given parameter is not en enum, the given val is returned.
+        *
+        * @param val internal (not interface) value
+        * @param prev if true, step to prev scale-point, otherwise next
+        * @return internal value, suitable for set_value()
+        */
+       float step_enum (float val, bool prev) const;
+
        /** Set step, smallstep, and largestep, based on current description. */
        void update_steps();