ardour/gtk2_ardour/time_thing.h

35 lines
1.5 KiB
C

/*
* Copyright (C) 2021 Paul Davis <paul@linuxaudiosystems.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 __gtk2_ardour_time_thing_h__
#define __gtk2_ardour_time_thing_h__
struct TimeThing {
virtual ~TimeThing() {}
virtual samplepos_t pixel_to_sample (double pixel) const = 0;
virtual samplepos_t playhead_cursor_sample () const = 0;
virtual double sample_to_pixel (samplepos_t sample) const = 0;
virtual double sample_to_pixel_unrounded (samplepos_t sample) const = 0;
virtual double time_to_pixel (Temporal::timepos_t const &) const = 0;
virtual double time_to_pixel_unrounded (Temporal::timepos_t const &) const = 0;
virtual double duration_to_pixels (Temporal::timecnt_t const &) const = 0;
virtual double duration_to_pixels_unrounded (Temporal::timecnt_t const &) const = 0;
};
#endif /* __gtk2_ardour_time_thing_h__ */