91 lines
2.4 KiB
C++
91 lines
2.4 KiB
C++
/*
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* Copyright (C) 2016-2017 Nick Mainsbridge <mainsbridge@gmail.com>
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* Copyright (C) 2017-2019 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#pragma once
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#include <string>
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#include <glib.h>
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#include <sigc++/signal.h>
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#include "ardour/ardour.h"
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#include "pbd/signals.h"
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#include "canvas/types.h"
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#include "canvas/framed_curve.h"
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#include "canvas/text.h"
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namespace Temporal {
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class TempoPoint;
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}
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class PublicEditor;
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class TempoCurve : public sigc::trackable
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{
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public:
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TempoCurve (PublicEditor& editor, ArdourCanvas::Item &, guint32 rgba, Temporal::TempoPoint const & temp, bool handle_events , ArdourCanvas::Distance marker_width);
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~TempoCurve ();
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static PBD::Signal<void(TempoCurve*)> CatchDeletion;
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static void setup_sizes (const double timebar_height);
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ArdourCanvas::Item& the_item() const;
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void set_duration (ARDOUR::samplecnt_t duration);
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void set_color_rgba (uint32_t rgba);
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void hide ();
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void show ();
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Temporal::TempoPoint const & tempo () const { return *_tempo; }
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void reset_point (Temporal::TempoPoint const &);
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void update_range (double min, double max) { _max_tempo = max; _min_tempo = min; }
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static void format_tempo (double ntpm, int nt, char*, size_t);
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protected:
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PublicEditor& editor;
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ArdourCanvas::Item* _parent;
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ArdourCanvas::Container* group;
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ArdourCanvas::Points points;
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ArdourCanvas::FramedCurve* _curve;
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ARDOUR::samplecnt_t _duration;
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ArdourCanvas::Distance _marker_width;
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uint32_t _color;
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void reposition ();
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private:
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/* disallow copy construction */
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TempoCurve (TempoCurve const &);
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TempoCurve & operator= (TempoCurve const &);
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double _min_tempo;
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double _max_tempo;
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Temporal::TempoPoint const * _tempo;
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ArdourCanvas::Text* _start_text;
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ArdourCanvas::Text* _end_text;
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};
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