non/Waveform.H

76 lines
2.6 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_Widget.H>
#include <FL/fl_draw.H>
#include "Timeline.H"
#include "Clip.H"
class Waveform : public Fl_Widget
{
protected:
Clip *_clip; /* clip this waveform represents */
nframes_t _start;
nframes_t _end;
float _scale; /* vertical scaling */
float _zoom; /* horizontal zoom */
public:
Waveform ( int X, int Y, int W, int H, const char *L=0 );
Waveform ( Clip *c ) : Fl_Widget( 0, 0, 500, 100, "" )
{
_clip = c;
_scale = 1;
label( _clip->name() );
_end = _clip->length();
}
Waveform ( const Waveform & rhs ) : Fl_Widget( rhs.x(), rhs.y(), rhs.w(), rhs.h(), rhs.label() )
{
_clip = rhs._clip;
_start = rhs._start;
_end = rhs._end;
_scale = rhs._scale;
}
void draw ( void );
void draw ( int X, int Y, int W, int H );
void start ( nframes_t s ) { _start = s; }
void end ( nframes_t e ) { _end = e; }
// void peaks ( float *p ) { _peaks = p; }
void normalize ( void );
void read_peaks ( int X, float *hi, float *lo );
};