From 86b0268e8be554e9286aebd544757fc13fe76dac Mon Sep 17 00:00:00 2001 From: nick_m Date: Sun, 8 May 2016 03:03:12 +1000 Subject: Tempo ramps - add visualtempo curve, dragging bbt or music rulers with constraint modifier dilates previous tempo. --- gtk2_ardour/tempo_curve.h | 74 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 gtk2_ardour/tempo_curve.h (limited to 'gtk2_ardour/tempo_curve.h') diff --git a/gtk2_ardour/tempo_curve.h b/gtk2_ardour/tempo_curve.h new file mode 100644 index 0000000000..be378078c7 --- /dev/null +++ b/gtk2_ardour/tempo_curve.h @@ -0,0 +1,74 @@ +#ifndef __gtk_ardour_tempo_curve_h__ +#define __gtk_ardour_tempo_curve_h__ + +#include +#include + +#include + +#include "ardour/ardour.h" +#include "pbd/signals.h" + +#include "canvas/fwd.h" +#include "canvas/types.h" + +namespace ARDOUR { + class TempoSection; +} +class PublicEditor; + +class TempoCurve : public sigc::trackable +{ + public: + TempoCurve (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, ARDOUR::TempoSection& temp, framepos_t frame, bool handle_events); + ~TempoCurve (); + + static PBD::Signal1 CatchDeletion; + + static void setup_sizes (const double timebar_height); + + ArdourCanvas::Item& the_item() const; + void canvas_height_set (double); + + void set_position (framepos_t lower, framepos_t upper); + void set_color_rgba (uint32_t rgba); + framepos_t position() const { return frame_position; } + + ArdourCanvas::Container * get_parent() { return _parent; } + void reparent (ArdourCanvas::Container & parent); + + void hide (); + void show (); + + ARDOUR::TempoSection& tempo () { return _tempo; } + + void set_max_tempo (const double& max) { _max_tempo = max; } + void set_min_tempo (const double& min) { _min_tempo = min; } + +protected: + PublicEditor& editor; + + ArdourCanvas::Container* _parent; + ArdourCanvas::Container *group; + ArdourCanvas::Points *points; + ArdourCanvas::Rectangle* _background; + ArdourCanvas::Curve* _curve; + + double unit_position; + framepos_t frame_position; + framepos_t _end_frame; + bool _shown; + double _canvas_height; + uint32_t _color; + + void reposition (); +private: + double _max_tempo; + double _min_tempo; + /* disallow copy construction */ + TempoCurve (TempoCurve const &); + TempoCurve & operator= (TempoCurve const &); + ARDOUR::TempoSection& _tempo; + +}; +#endif /* __gtk_ardour_tempo_curve_h__ */ -- cgit v1.2.3