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/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <vector>
#include <boost/shared_ptr.hpp>
#include <wx/wx.h>
#include "util.h"
#include "audio_analysis.h"
class AudioPlot : public wxPanel
{
public:
AudioPlot (wxWindow *);
void set_analysis (boost::shared_ptr<AudioAnalysis>);
void set_channel_visible (int c, bool v);
void set_type_visible (int t, bool v);
void set_gain (float);
void set_smoothing (int);
static const int max_smoothing;
private:
void paint (wxPaintEvent &);
boost::shared_ptr<AudioAnalysis> _analysis;
bool _channel_visible[MAX_AUDIO_CHANNELS];
bool _type_visible[AudioPoint::COUNT];
/** gain to apply in dB */
float _gain;
int _smoothing;
std::vector<wxColour> _colours;
void plot_peak (wxGraphicsPath &, int) const;
void plot_rms (wxGraphicsPath &, int) const;
float y_for_linear (float) const;
double _db_label_width;
int _height;
int _y_origin;
float _x_scale;
float _y_scale;
static const int _minimum;
};
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