1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/***************************************************************************
* Copyright (C) 2007 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef ANALYZER_H
#define ANALYZER_H
#include <QWidget>
#include <QResizeEvent>
#include <visual.h>
#include <constants.h>
#include <QDir>
class QSettings;
class QTimer;
class QMenu;
class QActionGroup;
class Buffer;
class VisualNode
{
public:
VisualNode(short *l, short *r, unsigned long n, unsigned long o)
: left(l), right(r), length(n), offset(o)
{
// left and right are allocated and then passed to this class
// the code that allocated left and right should give up all ownership
}
~VisualNode()
{
delete [] left;
delete [] right;
}
short *left, *right;
long length, offset;
};
class Analyzer : public Visual
{
Q_OBJECT
public:
Analyzer( QWidget *parent = 0);
virtual ~Analyzer();
void add(Buffer *, unsigned long, int, int);
void clear();
void paintEvent( QPaintEvent * );
protected:
virtual void hideEvent (QHideEvent *);
virtual void showEvent (QShowEvent *);
virtual void closeEvent (QCloseEvent *);
public slots:
void timeout();
private slots:
void updateSettings();
private:
bool process(VisualNode *node);
void draw(QPainter *p);
QPixmap m_pixmap;
QPixmap m_bg;
QList <VisualNode*> m_nodes;
QTimer *m_timer;
int m_fps;
double m_intern_vis_data[75];
double m_peaks[75];
double m_peaks_falloff;
double m_analyzer_falloff;
bool m_show_peaks;
//colors
QColor m_color1;
QColor m_color2;
QColor m_color3;
QColor m_bgColor;
QColor m_peakColor;
};
#endif
|
