non/Waveform.H

51 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_Widget.H>
#include <FL/fl_draw.H>
typedef unsigned long tick_t;
class Waveform : public Fl_Widget
{
protected:
float *_peaks;
tick_t _start;
tick_t _end;
float _scale; /* vertical scaling */
float _zoom; /* horizontal zoom */
public:
Waveform ( int X, int Y, int W, int H, const char *L );
int handle ( int m );
void draw ( void );
void draw ( int X, int Y, int W, int H );
void start ( tick_t s ) { _start = s; }
void end ( tick_t e ) { _end = e; }
void peaks ( float *p ) { _peaks = p; }
};