/usr/include/CLAM/qtmonitors/SpectrumView.hxx is in libclam-qtmonitors-dev 1.4.0-3.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 99 100 101 102 103 104 105 106 107 108 109 | #ifndef SpectrumView_hxx
#define SpectrumView_hxx
#include <QtGui/QLabel>
#include <QtGui/QPolygonF>
#include <QtGui/QPainter>
#include "FloatArrayDataSource.hxx"
#include <cmath>
#include <QtDesigner/QDesignerExportWidget>
class QDESIGNER_WIDGET_EXPORT SpectrumView : public QWidget
{
Q_OBJECT
Q_PROPERTY(QColor lineColor READ lineColor WRITE setLineColor)
enum Dimensions {
};
public:
SpectrumView(QWidget * parent=0, CLAM::VM::FloatArrayDataSource * dataSource=0)
: QWidget(parent)
, _dataSource(0)
, _lineColor(Qt::black)
{
setDataSource( dataSource ? *dataSource : dummySource());
startTimer(50);
}
void setDataSource( CLAM::VM::FloatArrayDataSource & dataSource)
{
_dataSource = &dataSource;
}
void paintEvent(QPaintEvent * event)
{
if ( !_dataSource) return;
const CLAM::TData * data = _dataSource->frameData();
if (!data)
{
_dataSource->release();
return;
}
int size = _dataSource->nBins();
QPainter painter(this);
painter.setRenderHint(QPainter::NonCosmeticDefaultPen,false);
// painter.setRenderHint(QPainter::Antialiasing);
painter.scale(width(),height()/7.0);
painter.setPen(_lineColor);
QPolygonF _line;
for (int i=0; i<size; i++)
{
double value=std::log10(data[i]/size);
if (value!=value) continue;
_line << QPointF(double(i)/size, -value);
}
_dataSource->release();
painter.drawPolyline(_line);
}
void timerEvent(QTimerEvent *event)
{
if ( !_dataSource) return;
if ( !_dataSource->isEnabled()) return;
update();
}
QColor lineColor() const { return _lineColor; }
void setLineColor(const QColor & color) { _lineColor = color; }
CLAM::VM::FloatArrayDataSource & dummySource()
{
static CLAM::VM::DummyFloatArrayDataSource sDummy(257, dummyData());
return sDummy;
}
CLAM::TData * dummyData()
{
// Sample data taken from the trumpet analysis
static CLAM::TData data[] = {
0.0009, 0.0011, 0.0015, 0.0016, 0.0105, 0.0181, 0.0143, 0.0063, 0.0068, 0.0193,
0.0307, 0.0242, 0.0096, 0.0084, 0.0192, 0.0309, 0.0247, 0.0116, 0.0094, 0.0162,
0.0316, 0.0244, 0.0019, 0.0075, 0.0083, 0.0199, 0.0173, 0.0110, 0.0108, 0.0029,
0.0108, 0.0122, 0.0095, 0.0113, 0.0046, 0.0039, 0.0068, 0.0064, 0.0088, 0.0066,
0.0219, 0.0327, 0.0177, 0.0013, 0.0054, 0.0026, 0.0017, 0.0026, 0.0034, 0.0031,
0.0022, 0.0011, 0.0016, 0.0023, 0.0027, 0.0023, 0.0021, 0.0029, 0.0036, 0.0045,
0.0183, 0.0313, 0.0225, 0.0052, 0.0023, 0.0018, 0.0009, 0.0007, 0.0014, 0.0011,
0.0005, 0.0005, 0.0002, 0.0004, 0.0001, 0.0003, 0.0005, 0.0005, 0.0002, 0.0034,
0.0142, 0.0236, 0.0182, 0.0061, 0.0005, 0.0003, 0.0004, 0.0004, 0.0005, 0.0005,
0.0005, 0.0004, 0.0004, 0.0005, 0.0004, 0.0003, 0.0003, 0.0003, 0.0002, 0.0013,
0.0080, 0.0191, 0.0205, 0.0099, 0.0016, 0.0002, 0.0002, 0.0002, 0.0001, 0.0001,
0.0001, 0.0001, 8.e-05, 0.0001, 0.0002, 0.0001, 5.e-05, 0.0001, 2.e-05, 0.0001,
0.0001, 0.0007, 0.0055, 0.0140, 0.0158, 0.0081, 0.0015, 0.0012, 0.0067, 0.0136,
0.0127, 0.0054, 0.0008, 0.0001, 0.0001, 0.0001, 0.0002, 0.0002, 0.0002, 0.0002,
0.0002, 0.0001, 0.0003, 0.0035, 0.0089, 0.0098, 0.0050, 0.0010, 0.0020, 0.0073,
0.0108, 0.0074, 0.0022, 0.0003, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001,
0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001, 9.e-05, 8.e-05, 0.0003, 0.0022,
0.0059, 0.0071, 0.0040, 0.0010, 0.0002, 0.0001, 0.0001, 6.e-05, 9.e-05, 0.0001,
0.0001, 0.0001, 0.0001, 6.e-05, 7.e-05, 6.e-05, 3.e-05, 2.e-05, 8.e-05, 0.0005,
0.0021, 0.0036, 0.0029, 0.0011, 0.0002, 0.0001, 0.0001, 0.0001, 0.0001, 0.0001,
9.e-05, 9.e-05, 9.e-05, 8.e-05, 5.e-05, 5.e-05, 6.e-05, 5.e-05, 4.e-05, 4.e-05,
3.e-05, 1.e-05, 0.0004, 0.0015, 0.0024, 0.0017, 0.0005, 0.0001, 8.e-05, 9.e-05,
6.e-05, 4.e-05, 4.e-05, 3.e-05, 6.e-05, 7.e-05, 5.e-05, 5.e-05, 6.e-05, 0.0001,
0.0012, 0.0027, 0.0028, 0.0012, 0.0001, 2.e-05, 9.e-06, 1.e-05, 2.e-05, 2.e-05,
1.e-05, 3.e-05, 3.e-05, 4.e-05, 5.e-05, 5.e-05, 4.e-05, 3.e-05, 2.e-05, 1.e-05,
0.0002, 0.0014, 0.0028, 0.0025, 0.0010, 0.0001, 4.e-05,
};
return data;
}
private:
CLAM::VM::FloatArrayDataSource * _dataSource;
QColor _lineColor;
};
#endif//SpectrumView_hxx
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