non/Timeline.H

58 lines
2.0 KiB
C

/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles */
/* */
/* 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; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
#pragma once
#include <FL/Fl_Scroll.H>
#include <FL/Fl_Pack.H>
#include <FL/Fl_Scrollbar.H>
#include "Clip.H"
#include <math.h>
#include <assert.h>
struct Timeline {
Fl_Scroll *scroll;
Fl_Pack *tracks;
Fl_Scrollbar *scrollbar;
float fpp; /* frames per pixel */
// nframes_t fpp;
nframes_t sample_rate;
nframes_t xoffset;
int
ts_to_x( nframes_t ts )
{
// assert( ts / fpp > 0 );
return ts / fpp;
}
nframes_t
x_to_ts ( int x )
{
return x * fpp;
}
};
extern Timeline timeline;