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livetrax/gtk2_ardour/tempo_lines.h

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/*
* Copyright (C) 2007-2015 David Robillard <d@drobilla.net>
* Copyright (C) 2012-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2015-2017 Nick Mainsbridge <mainsbridge@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_tempo_lines_h__
#define __ardour_tempo_lines_h__
#include "ardour/tempo.h"
#include "canvas/line_set.h"
class TempoLines {
public:
TempoLines (ArdourCanvas::Container* group, double screen_height, ARDOUR::BeatsSamplesConverter* bfc);
~TempoLines ();
void tempo_map_changed(samplepos_t new_origin);
void draw (std::vector<ARDOUR::TempoMap::BBTPoint>& grid,
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unsigned divisions,
ARDOUR::samplecnt_t leftmost_sample,
ARDOUR::samplecnt_t sample_rate);
void show();
void hide();
private:
void draw_ticks (std::vector<ARDOUR::TempoMap::BBTPoint>& grid,
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unsigned divisions,
ARDOUR::samplecnt_t leftmost_sample,
ARDOUR::samplecnt_t sample_rate);
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ArdourCanvas::LineSet lines;
ARDOUR::BeatsSamplesConverter* _bfc;
};
#endif /* __ardour_tempo_lines_h__ */