ardour/gtk2_ardour/tempo_lines.h
David Robillard 7c950f279b Pulled tempo line stuff out into it's own relatively self-contained class.
Draw tempo lines on time canvas and connect them up all pretty-like to the ruler ticks.
Still needs some visual tweaking, but... they draw!  Finally!


git-svn-id: svn://localhost/ardour2/trunk@2247 d708f5d6-7413-0410-9779-e7cbd77b26cf
2007-08-05 21:31:02 +00:00

49 lines
1.4 KiB
C++

/*
Copyright (C) 2000-2007 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_tempo_lines_h__
#define __ardour_tempo_lines_h__
#include <vector>
#include <ardour/tempo.h>
#include "canvas.h"
#include "simpleline.h"
class TempoLines {
public:
TempoLines(ArdourCanvas::Canvas& canvas, ArdourCanvas::Group* group)
: _canvas(canvas)
, _group(group)
{}
ArdourCanvas::SimpleLine* get_line();
void draw(ARDOUR::TempoMap::BBTPointList& points, double frames_per_unit);
void hide();
private:
typedef std::vector<ArdourCanvas::SimpleLine*> Lines;
Lines _free_lines;
Lines _used_lines;
ArdourCanvas::Canvas& _canvas;
ArdourCanvas::Group* _group;
};
#endif /* __ardour_tempo_lines_h__ */