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#ifndef __gtk_ardour_tempo_curve_h__
#define __gtk_ardour_tempo_curve_h__
#include <string>
#include <glib.h>
#include <sigc++/signal.h>
#include "ardour/ardour.h"
#include "pbd/signals.h"
#include "canvas/types.h"
#include "canvas/framed_curve.h"
#include "canvas/text.h"
namespace ARDOUR {
class TempoSection;
}
class PublicEditor;
class TempoCurve : public sigc::trackable
{
public:
TempoCurve (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, ARDOUR::TempoSection& temp, samplepos_t sample, bool handle_events);
~TempoCurve ();
static PBD::Signal1<void,TempoCurve*> CatchDeletion;
static void setup_sizes (const double timebar_height);
ArdourCanvas::Item& the_item() const;
void canvas_height_set (double);
void set_position (samplepos_t lower, samplepos_t upper);
void set_color_rgba (uint32_t rgba);
samplepos_t position() const { return sample_position; }
ArdourCanvas::Container * get_parent() { return _parent; }
void reparent (ArdourCanvas::Container & parent);
void hide ();
void show ();
ARDOUR::TempoSection& tempo () const { 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::FramedCurve* _curve;
double unit_position;
samplepos_t sample_position;
samplepos_t _end_sample;
bool _shown;
double _canvas_height;
uint32_t _color;
void reposition ();
private:
double _min_tempo;
double _max_tempo;
/* disallow copy construction */
TempoCurve (TempoCurve const &);
TempoCurve & operator= (TempoCurve const &);
ARDOUR::TempoSection& _tempo;
ArdourCanvas::Text *_start_text;
ArdourCanvas::Text *_end_text;
};
#endif /* __gtk_ardour_tempo_curve_h__ */
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