115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
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/*******************************************************************************/
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/* Copyright (C) 2008 Jonathan Moore Liles */
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/* */
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/* This program is free software; you can redistribute it and/or modify it */
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/* under the terms of the GNU General Public License as published by the */
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/* Free Software Foundation; either version 2 of the License, or (at your */
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/* option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, but WITHOUT */
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/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
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/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
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/* 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; see the file COPYING. If not,write to the Free Software */
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/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/*******************************************************************************/
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#pragma once
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#include <FL/Fl_Scroll.H>
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#include <FL/Fl_Pack.H>
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#include <FL/Fl_Scrollbar.H>
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#include "Clip.H"
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#include <math.h>
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#include <assert.h>
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#include <FL/fl_draw.H>
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class Timeline;
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extern Timeline timeline;
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#include "Track.H"
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// #include "Tempo_Track.H"
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class Tempo_Track;
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// #include "Tempo_Point.H"
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// #include "Region.H"
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#include <list>
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using std::list;
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class timestamped
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{
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public:
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nframes_t timestamp;
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bool
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operator< ( const timestamped &rhs ) const { return timestamp < rhs.timestamp; }
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};
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struct Timeline {
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struct tempo_event : timestamped
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{
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float beats_per_minute;
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};
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struct signature_event : timestamped
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{
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int beats_per_bar;
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int beat_type;
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};
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enum snap_flags_e {
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SNAP_TO_REGION,
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SNAP_TO_BAR,
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SNAP_TO_BEAT
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} snap_to;
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list <tempo_event> tempo_points;
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list <signature_event> signature_points;
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Fl_Scroll *scroll;
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Fl_Pack *tracks;
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Fl_Scrollbar *scrollbar;
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Tempo_Track *tempo_track;
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float fpp; /* frames per pixel */
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// nframes_t fpp;
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nframes_t sample_rate;
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nframes_t xoffset;
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nframes_t length;
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int _beats_per_bar;
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float _beats_per_minute;
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int
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ts_to_x( nframes_t ts )
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{
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// assert( ts / fpp > 0 );
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return ts / fpp;
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}
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nframes_t
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x_to_ts ( int x )
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{
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return x * fpp;
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}
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float beats_per_minute ( nframes_t when ) const;
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void beats_per_minute ( nframes_t when, float bpm );
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void draw_measure_lines ( int X, int Y, int W, int H, Fl_Color color );
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};
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