1 // Copyright 2004 "Gilles Degottex"
2 
3 // This file is part of "fmit"
4 
5 // "fmit" is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 2 of the License, or
8 // (at your option) any later version.
9 //
10 // "fmit" is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18 
19 
20 #ifndef _GLFT_h_
21 #define _GLFT_h_
22 
23 #include <vector>
24 using namespace std;
25 #include <Music/CFFTW3.h>
26 // using namespace Music;
27 #include <QOpenGLWidget>
28 #include <qspinbox.h>
29 #include <qaction.h>
30 #include "View.h"
31 
32 class GLFT : public QOpenGLWidget, public View
33 {
34 	Q_OBJECT
35 
36     QFont m_font;
37 
mouseReleaseEvent(QMouseEvent * e)38     virtual void mouseReleaseEvent(QMouseEvent* e){View::mouseReleaseEvent(e);}
39 	virtual void mousePressEvent(QMouseEvent* e);
40 	virtual void mouseDoubleClickEvent(QMouseEvent* e);
41 	virtual void mouseMoveEvent(QMouseEvent* e);
42 
43 	vector<double> win;
44 	CFFTW3 m_plan;
45 	vector<double> m_components;
46 	double m_components_max;
47 
48 	bool m_start_move_mouse;
49 	int m_press_x, m_press_y;
50     double m_press_minf, m_press_maxf;
51 
52     double m_minf, m_maxf; // [Hz]
53     double m_minA, m_maxA; // [dB or amplitude depending on ]
54     void resetaxis();
55     QString m_text;
56 
57   public:
58 	GLFT(QWidget* parent);
~GLFT()59 	~GLFT(){}
60 
61 	deque<double> buff;
62 
63 	void refreshGraph();
64 
65 	double m_os;
66     void setSamplingRate(int sr);
67 
68 	// settings
69 	QAction* setting_db_scale;
70 	QSpinBox* setting_winlen;
71 
72   public slots:
73 	void spinWinLengthChanged(int num);
74     void dBScaleChanged(bool db);
75 	void initializeGL();
76 	void paintGL();
77 	void resizeGL( int w, int h );
78 };
79 
80 #endif // _GLFT_h_
81 
82