diff options
Diffstat (limited to 'libs/evoral/evoral')
| -rw-r--r-- | libs/evoral/evoral/ControlList.hpp | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/libs/evoral/evoral/ControlList.hpp b/libs/evoral/evoral/ControlList.hpp index 99958d79fb..c4051193b8 100644 --- a/libs/evoral/evoral/ControlList.hpp +++ b/libs/evoral/evoral/ControlList.hpp @@ -275,7 +275,9 @@ public: enum InterpolationStyle { Discrete, Linear, - Curved + Curved, // spline, used for x-fades + Logarithmic, + Exponential // fader, gain }; /** query interpolation style of the automation data @@ -283,10 +285,18 @@ public: */ InterpolationStyle interpolation() const { return _interpolation; } - /** set the interpolation style of the automation data + /** query default interpolation for parameter-descriptor */ + virtual InterpolationStyle default_interpolation() const; + + /** set the interpolation style of the automation data. + * + * This will fail when asking for Logarithmic scale and min,max crosses 0 + * or Exponential scale with min != 0. + * * @param is interpolation style + * @returns true if style change was successful */ - void set_interpolation (InterpolationStyle is); + bool set_interpolation (InterpolationStyle is); virtual bool touching() const { return false; } virtual bool writing() const { return false; } @@ -339,14 +349,15 @@ protected: Curve* _curve; - private: - iterator most_recent_insert_iterator; - double insert_position; - bool new_write_pass; - bool did_write_during_pass; - bool _in_write_pass; - void unlocked_invalidate_insert_iterator (); - void add_guard_point (double when); +private: + iterator most_recent_insert_iterator; + double insert_position; + bool new_write_pass; + bool did_write_during_pass; + bool _in_write_pass; + + void unlocked_invalidate_insert_iterator (); + void add_guard_point (double when); }; } // namespace Evoral |