diff options
Diffstat (limited to 'libs/ardour/ardour/parameter_descriptor.h')
| -rw-r--r-- | libs/ardour/ardour/parameter_descriptor.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libs/ardour/ardour/parameter_descriptor.h b/libs/ardour/ardour/parameter_descriptor.h index c95b028aaa..87363bb2c3 100644 --- a/libs/ardour/ardour/parameter_descriptor.h +++ b/libs/ardour/ardour/parameter_descriptor.h @@ -77,6 +77,17 @@ struct LIBARDOUR_API ParameterDescriptor : public Evoral::ParameterDescriptor 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(); |