PlotMatrix::PlotMatrix( int numRows, int numColumns, QWidget *parent ):
QFrame( parent )
{
d_data = new PrivateData();
d_data->plotWidgets.resize( numRows * numColumns );
QGridLayout *layout = new QGridLayout( this );
for ( int row = 0; row < numRows; row++ )
{
for ( int col = 0; col < numColumns; col++ )
{
QwtPlot *plot = new QwtPlot( this );
layout->addWidget( plot, row, col );
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
connect( plot->axisWidget( axis ),
SIGNAL( scaleDivChanged() ), SLOT( scaleDivChanged() ) );
}
d_data->plotWidgets[row * numColumns + col] = plot;
}
}
updateLayout();
}
MainWindow::MainWindow( QWidget *parent ):
QMainWindow( parent )
{
Settings settings;
#if 1
settings.startDateTime = QDateTime( QDate( 2012, 10, 27 ), QTime( 18, 5, 0, 0 ) );
settings.endDateTime = QDateTime( QDate( 2012, 10, 28 ), QTime( 12, 12, 0, 0 ) );
#else
settings.startDateTime = QDateTime( QDate( 2011, 5, 3 ), QTime( 0, 6, 0, 0 ) );
settings.endDateTime = QDateTime( QDate( 2012, 3, 10 ), QTime( 0, 5, 0, 0 ) );
#endif
settings.maxMajorSteps = 10;
settings.maxMinorSteps = 8;
settings.maxWeeks = -1;
d_plot = new Plot();
d_panel = new Panel();
d_panel->setSettings( settings );
QWidget *box = new QWidget( this );
QHBoxLayout *layout = new QHBoxLayout( box );
layout->addWidget( d_plot, 10 );
layout->addWidget( d_panel );
setCentralWidget( box );
updatePlot();
connect( d_panel, SIGNAL( edited() ), SLOT( updatePlot() ) );
connect( d_plot->axisWidget( QwtAxis::yLeft ),
SIGNAL( scaleDivChanged() ), SLOT( updatePanel() ) );
}
/*!
\brief Assign a scale division
The scale division determines where to set the tick marks.
\param transformation Transformation, needed to translate between
scale and pixal values
\param scaleDiv Scale Division
\sa For more information about scale divisions, see QwtScaleDiv.
*/
void QwtScaleWidget::setScaleDiv(
QwtScaleTransformation *transformation,
const QwtScaleDiv &scaleDiv )
{
QwtScaleDraw *sd = d_data->scaleDraw;
if ( sd->scaleDiv() != scaleDiv ||
sd->scaleMap().transformation()->type() != transformation->type() )
{
sd->setTransformation( transformation );
sd->setScaleDiv( scaleDiv );
layoutScale();
Q_EMIT scaleDivChanged();
}
else
{
/*
The transformation doesn't anything different as the
previous one. So we better throw it silently away instead of
initiating heavy updates
*/
delete transformation;
}
}
/*!
\brief Assign a scale division
The scale division determines where to set the tick marks.
\param scaleDiv Scale Division
\sa For more information about scale divisions, see QwtScaleDiv.
*/
void QwtScaleWidget::setScaleDiv( const QwtScaleDiv &scaleDiv )
{
QwtScaleDraw *sd = d_data->scaleDraw;
if ( sd->scaleDiv() != scaleDiv )
{
sd->setScaleDiv( scaleDiv );
layoutScale();
Q_EMIT scaleDivChanged();
}
}
int QwtScaleWidget::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QWidget::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: scaleDivChanged(); break;
}
_id -= 1;
}
return _id;
}
Lineplot::Lineplot(QWidget *parent)
:QwtPlot(parent)
,xMin_(0)
,xMax_(0)
{
counter_ = 0;
numPoints_ = 1;
indexPoints_ = new double[numPoints_];
dataPoints_ = new double[numPoints_];
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
QPalette palette;
palette.setColor(canvas()->backgroundRole(), QColor("white"));
canvas()->setPalette(palette);
curve_ = new QwtPlotCurve("Curve");
curve_->setPen(QPen(Qt::blue, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
curve_->setStyle(QwtPlotCurve::Lines);
curve_->setRawSamples(indexPoints_, dataPoints_, numPoints_);
curve_->setYAxis(QwtPlot::yLeft);
curve_->attach(this);
memset(dataPoints_, 0x0, numPoints_*sizeof(double));
for(int i=0;i<numPoints_;i++)
indexPoints_[i] = i;
enableAxis(QwtPlot::yRight);
QwtScaleWidget *leftAxis = axisWidget(QwtPlot::yLeft);
connect(leftAxis, SIGNAL(scaleDivChanged()), this, SLOT(linkScales()));
setAxisScaleEngine(QwtPlot::xBottom, new QwtLinearScaleEngine);
setAxisScaleEngine(QwtPlot::yLeft, new QwtLinearScaleEngine);
setAxisScaleEngine(QwtPlot::yRight, new QwtLinearScaleEngine);
axisScaleEngine(QwtPlot::xBottom)->setAttribute(QwtScaleEngine::Floating,true);
axisScaleEngine(QwtPlot::yLeft)->setAttribute(QwtScaleEngine::Floating,true);
axisScaleEngine(QwtPlot::yRight)->setAttribute(QwtScaleEngine::Floating,true);
zoomer_ = new MyZoomer(canvas());
zoomer_->setMousePattern(QwtEventPattern::MouseSelect1, Qt::LeftButton);
zoomer_->setMousePattern(QwtEventPattern::MouseSelect2, Qt::LeftButton,
Qt::ControlModifier);
panner_ = new QwtPlotPanner(canvas());
panner_->setMouseButton(Qt::RightButton);
magnifier_ = new QwtPlotMagnifier(canvas());
magnifier_->setMouseButton(Qt::NoButton);
}
/*!
\brief Assign a scale division
The scale division determines where to set the tick marks.
\param transformation Transformation, needed to translate between
scale and pixal values
\param scaleDiv Scale Division
\sa For more information about scale divisions, see QwtScaleDiv.
*/
void QwtScaleWidget::setScaleDiv(
const QwtScaleTransformation& transformation,
const QwtScaleDiv &scaleDiv)
{
QwtScaleDraw *sd = d_data->scaleDraw;
if (sd->scaleDiv() != scaleDiv ||
sd->map().transformation().xForm != transformation.xForm )
{
sd->setTransformation(transformation);
sd->setScaleDiv(scaleDiv);
layoutScale();
emit scaleDivChanged();
}
}
/*!
\brief Assign a scale division
The scale division determines where to set the tick marks.
\param transformation Transformation, needed to translate between
scale and pixal values
\param scaleDiv Scale Division
\sa For more information about scale divisions, see QwtScaleDiv.
*/
void QwtScaleWidget::setScaleDiv(
QwtScaleTransformation *transformation,
const QwtScaleDiv &scaleDiv)
{
QwtScaleDraw *sd = d_data->scaleDraw;
if (sd->scaleDiv() != scaleDiv ||
sd->map().transformation()->type() != transformation->type() )
{
sd->setTransformation(transformation);
sd->setScaleDiv(scaleDiv);
layoutScale();
emit scaleDivChanged();
}
else
delete transformation;
}
Graph::Graph(QWidget *parent) : QwtPlot(parent)
{
// zoom in/out with the wheel
Magnifier *magnifier = new Magnifier( canvas() );
magnifier->setMouseButton(Qt::NoButton);
// panning with the left mouse button
Panner *panner = new Panner( canvas() );
panner->setMouseButton(Qt::LeftButton);
// zooming with middle button
QwtPlotZoomer *zoomer = new QwtPlotZoomer(canvas());
{
QVector<QwtEventPattern::MousePattern> pattern(6);
pattern[0].button = Qt::MiddleButton;
zoomer->setMousePattern(pattern);
}
m_grid = new QwtPlotGrid();
m_grid->setMinorPen(QPen(Qt::gray, 0.0, Qt::DotLine));
m_grid->setMajorPen(QPen(Qt::black, 0.0, Qt::DotLine));
m_grid->enableX(true);
m_grid->enableXMin(true);
m_grid->enableY(true);
m_grid->enableYMin(true);
m_grid->attach(this);
initLegend();
connect(axisWidget(QwtPlot::xBottom), SIGNAL(scaleDivChanged()), SIGNAL(updateSampleSize()));
setAxisScale(QwtPlot::xBottom, -20, 20);
setAxisScale(QwtPlot::yRight, -20, 20);
setAxisScale(QwtPlot::yLeft, -20, 20);
axisWidget(QwtPlot::xBottom)->setToolTip(tr("Double-click to add marker"));
axisWidget(QwtPlot::yLeft)->setToolTip(tr("Double-click to add marker"));
axisWidget(QwtPlot::yRight)->setToolTip(tr("Double-click to add marker"));
// to show graph appearance while dragging from add button to widget area
replot();
}
//---------------------------------------------------------------------------
Plot::Plot( size_t streamPos, size_t Type, size_t Group, QWidget *parent ) :
QwtPlot( parent ),
m_streamPos( streamPos ),
m_type( Type ),
m_group( Group )
{
setAutoReplot( false );
QwtPlotCanvas* canvas = dynamic_cast<QwtPlotCanvas*>( this->canvas() );
if ( canvas )
{
canvas->setFrameStyle( QFrame::Plain | QFrame::Panel );
canvas->setLineWidth( 1 );
#if 1
canvas->setPalette( QColor("Cornsilk") );
#endif
}
setAxisMaxMajor( QwtPlot::yLeft, 0 );
setAxisMaxMinor( QwtPlot::yLeft, 0 );
setAxisScaleDraw( QwtPlot::yLeft, new PlotScaleDrawY() );
enableAxis( QwtPlot::xBottom, false );
// something invalid
setAxisScale( QwtPlot::xBottom, -1, 0 );
setAxisScale( QwtPlot::yLeft, -1, 0 );
// Plot grid
QwtPlotGrid *grid = new QwtPlotGrid();
grid->enableXMin( true );
grid->enableYMin( true );
grid->setMajorPen( Qt::darkGray, 0, Qt::DotLine );
grid->setMinorPen( Qt::gray, 0 , Qt::DotLine );
grid->attach( this );
m_cursor = new PlotCursor( canvas );
m_cursor->setPosition( 0 );
// curves
for( unsigned j = 0; j < PerStreamType[m_type].PerGroup[m_group].Count; ++j )
{
QwtPlotCurve* curve = new QwtPlotCurve( PerStreamType[m_type].PerItem[PerStreamType[m_type].PerGroup[m_group].Start + j].Name );
curve->setPen( curveColor( j ) );
curve->setRenderHint( QwtPlotItem::RenderAntialiased );
curve->setZ( curve->z() - j ); //Invert data order (e.g. MAX before MIN)
curve->attach( this );
m_curves += curve;
}
// visual helpers
if ( m_type == Type_Video )
switch (m_group)
{
case Group_Y :
Plot_AddHLine( this, 16, 61, 89, 171);
Plot_AddHLine( this, 235, 220, 20, 60);
break;
case Group_U :
case Group_V :
Plot_AddHLine( this, 16, 61, 89, 171);
Plot_AddHLine( this, 240, 220, 20, 60);
break;
case Group_Sat :
Plot_AddHLine( this, 88, 255, 0, 255);
Plot_AddHLine( this, 118, 220, 20, 60);
break;
default : ;
}
PlotPicker* picker = new PlotPicker( canvas, &PerStreamType[m_type], m_group, &m_curves );
connect( picker, SIGNAL( moved( const QPointF& ) ), SLOT( onPickerMoved( const QPointF& ) ) );
connect( picker, SIGNAL( selected( const QPointF& ) ), SLOT( onPickerMoved( const QPointF& ) ) );
connect( axisWidget( QwtPlot::xBottom ), SIGNAL( scaleDivChanged() ), SLOT( onXScaleChanged() ) );
// legend
m_legend = new PlotLegend();
connect( this, SIGNAL( legendDataChanged( const QVariant &, const QList<QwtLegendData> & ) ),
m_legend, SLOT( updateLegend( const QVariant &, const QList<QwtLegendData> & ) ) );
updateLegend();
}