QcepPlot Class Reference

#include <qcepplot.h>

Inheritance diagram for QcepPlot:

Collaboration diagram for QcepPlot:

Public Slots
virtual void	autoScale ()
void	printGraph ()
void	zoomIn ()
void	zoomOut ()
void	enableZooming ()
void	enableMeasuring ()
virtual void	onLegendClicked (const QVariant &itemInfo, int index)
virtual void	onLegendChecked (const QVariant &itemInfo, bool on, int index)
void	setXAxisLog (bool isLog)
void	setYAxisLog (bool isLog)
void	setX2AxisLog (bool isLog)
void	setY2AxisLog (bool isLog)
void	setLogAxis (int axis, int isLog)
int	logAxis (int axis)

Public Member Functions
	QcepPlot (QWidget *parent=0)
virtual	~QcepPlot ()
void	init (QcepPlotSettingsWPtr settings)
void	setPlotCurveStyle (int index, QwtPlotCurve *curve)
virtual QwtText	trackerTextF (const QPointF &pos)
void	contextMenuEvent (QContextMenuEvent *event)
void	updateZoomer ()

Protected Attributes
QcepPlotSettingsWPtr	m_PlotSettings
QwtLegend *	m_Legend
QwtPlotZoomer *	m_Zoomer
QwtPlotPanner *	m_Panner
QwtPlotMagnifier *	m_Magnifier
QcepPlotMeasurerPtr	m_Measurer
int	m_IsLog [QwtPlot::axisCnt]

Detailed Description

Definition at line 15 of file qcepplot.h.

Constructor & Destructor Documentation

QcepPlot::QcepPlot

(

QWidget *

parent = 0

)

Definition at line 18 of file qcepplot.cpp.

References m_IsLog.

  : QwtPlot(parent),
    m_PlotSettings(),
    m_Legend(NULL),
    m_Zoomer(NULL),
    m_Panner(NULL),
    m_Magnifier(NULL),
    m_Measurer(NULL)
{
  for (int i=0; i<QwtPlot::axisCnt; i++) {
    m_IsLog[i] = 0;
  }
}

QcepPlot::~QcepPlot ( )

virtual

Definition at line 32 of file qcepplot.cpp.

{
}

Member Function Documentation

void QcepPlot::autoScale ( )

virtualslot

Definition at line 188 of file qcepplot.cpp.

References m_Zoomer.

Referenced by QxrdImagePlot::autoScale(), contextMenuEvent(), init(), QxrdWindow::initialize(), and QxrdCenterFinderPlot::onCenterChanged().

{
  setAxisAutoScale(QwtPlot::yLeft);
  setAxisAutoScale(QwtPlot::xBottom);

  m_Zoomer -> setZoomBase();

//
//  replot();
}

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void QcepPlot::contextMenuEvent

(

QContextMenuEvent *

event

)

Definition at line 356 of file qcepplot.cpp.

References autoScale(), m_PlotSettings, and printGraph().

{
  QMenu plotMenu(NULL, NULL);

  QAction *xLog = plotMenu.addAction("Log X Axis");
  QAction *yLog = plotMenu.addAction("Log Y Axis");
  QAction *auSc = plotMenu.addAction("Autoscale");
  QAction *prGr = plotMenu.addAction("Print Graph...");

  QcepPlotSettingsPtr set(m_PlotSettings);

  if (set) {
    xLog->setCheckable(true);
    yLog->setCheckable(true);
    xLog->setChecked(set->get_XAxisLog());
    yLog->setChecked(set->get_YAxisLog());

    QAction *action = plotMenu.exec(event->globalPos());

    if (action == xLog) {
      set->toggle_XAxisLog();
    } else if (action == yLog) {
      set->toggle_YAxisLog();
    } else if (action == auSc) {
      autoScale();
    } else if (action == prGr) {
      printGraph();
    }
  }

  event->accept();
}

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void QcepPlot::enableMeasuring ( )

slot

Definition at line 267 of file qcepplot.cpp.

References m_Measurer, and m_Zoomer.

Referenced by QxrdWindow::initialize().

{
  m_Zoomer   -> setEnabled(false);
  m_Measurer -> setEnabled(true);
}

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void QcepPlot::enableZooming ( )

slot

Definition at line 261 of file qcepplot.cpp.

References m_Measurer, and m_Zoomer.

Referenced by QxrdWindow::initialize().

{
  m_Zoomer       -> setEnabled(true);
  m_Measurer     -> setEnabled(false);
}

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void QcepPlot::init

(

QcepPlotSettingsWPtr

settings

)

Definition at line 36 of file qcepplot.cpp.

References autoScale(), m_Legend, m_Magnifier, m_Measurer, m_Panner, m_PlotSettings, m_Zoomer, onLegendChecked(), onLegendClicked(), setX2AxisLog(), setXAxisLog(), setY2AxisLog(), and setYAxisLog().

Referenced by QxrdHistogramPlot::init(), QxrdSynchronizedAcquisitionPlot::init(), QxrdSlicePlot::init(), QxrdAcquisitionExtraInputsPlot::init(), QxrdIntegratorPlot::init(), QxrdDistortionCorrectionPlot::init(), QxrdCenterFinderPlot::init(), and QxrdImagePlot::init().

{
  m_PlotSettings = settings;

  setCanvasBackground(QColor(Qt::white));

  m_Zoomer = new QcepPlotZoomer(canvas(), this);
  m_Zoomer -> setStateMachine(new QwtPickerDragRectMachine());
  m_Zoomer -> setTrackerMode(QwtPicker::AlwaysOn);
  m_Zoomer -> setRubberBand(QwtPicker::RectRubberBand);

  m_Zoomer -> setMousePattern(QwtEventPattern::MouseSelect2,
                              Qt::LeftButton, Qt::ControlModifier | Qt::ShiftModifier);
  m_Zoomer -> setMousePattern(QwtEventPattern::MouseSelect3,
                              Qt::LeftButton, Qt::ControlModifier);

  m_Zoomer -> setEnabled(true);

  m_Legend = new QwtLegend(this);
  m_Legend -> setDefaultItemMode(QwtLegendData::Checkable);

  m_Panner = new QwtPlotPanner(canvas());
  m_Panner -> setEnabled(true);
  m_Panner -> setMouseButton(Qt::MidButton);
  m_Panner -> setAxisEnabled(QwtPlot::yRight, false);

  m_Magnifier = new QwtPlotMagnifier(canvas());
  m_Magnifier -> setEnabled(true);
  m_Magnifier -> setMouseButton(Qt::NoButton);
  m_Magnifier -> setAxisEnabled(QwtPlot::yRight, false);

  m_Measurer = new QcepPlotMeasurer(canvas(), this);
  m_Measurer -> setEnabled(false);

  setAxisLabelRotation(QwtPlot::yLeft, -90);
  setAxisLabelAlignment(QwtPlot::yLeft, Qt::AlignVCenter);

  autoScale();

  QcepPlotSettingsPtr set(m_PlotSettings);

  if (set) {
    connect(set->prop_XAxisLog(), SIGNAL(valueChanged(bool,int)), this, SLOT(setXAxisLog(bool)));
    connect(set->prop_YAxisLog(), SIGNAL(valueChanged(bool,int)), this, SLOT(setYAxisLog(bool)));
    connect(set->prop_X2AxisLog(), SIGNAL(valueChanged(bool,int)), this, SLOT(setX2AxisLog(bool)));
    connect(set->prop_Y2AxisLog(), SIGNAL(valueChanged(bool,int)), this, SLOT(setY2AxisLog(bool)));

    setXAxisLog(set->get_XAxisLog());
    setYAxisLog(set->get_YAxisLog());
    setX2AxisLog(set->get_X2AxisLog());
    setY2AxisLog(set->get_Y2AxisLog());

    if (m_Legend) {
      int legendPos = set->get_LegendPosition();

      if (legendPos >= 0) {
        insertLegend(m_Legend, (QwtPlot::LegendPosition) legendPos);
      }
    }
  }

  if (m_Legend) {
    connect(m_Legend, SIGNAL(clicked(const QVariant &,int)),      this, SLOT(onLegendClicked(const QVariant&, int)));
    connect(m_Legend, SIGNAL(checked(const QVariant &,bool,int)), this, SLOT(onLegendChecked(const QVariant&, bool, int)));
  }
}

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int QcepPlot::logAxis ( int  axis )

slot

Definition at line 389 of file qcepplot.cpp.

References m_IsLog.

Referenced by QwtPlotPiecewiseCurve::ignorePoint().

{
  return m_IsLog[axis];
}

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void QcepPlot::onLegendChecked ( const QVariant &  itemInfo, bool  on, int  index  )

virtualslot

Definition at line 280 of file qcepplot.cpp.

Referenced by init(), and QxrdImagePlot::onLegendChecked().

{
//  if (g_Application) {
//    g_Application->printMessage(tr("QxrdPlot::onLegendChecked(%1,%2,%3)").arg(itemInfo.toString()).arg(on).arg(index));
//  }

  QwtPlotItem *item = infoToItem(itemInfo);

  if (item) {
    QwtPlotCurve *pc = dynamic_cast<QwtPlotCurve*>(item);

    if (pc) {
      QPen pen = pc->pen();
      const QwtSymbol *oldsym = pc->symbol();
      QwtSymbol *sym = NULL;

      if (oldsym) {
       sym = new QwtSymbol(oldsym->style(), oldsym->brush(), oldsym->pen(), oldsym->size());
      }

      if (on) {
        pen.setWidth(3);
        if (sym) {
          sym->setSize(9,9);
        }
      } else {
        pen.setWidth(1);
        if (sym) {
          sym->setSize(5,5);
        }
      }
      pc->setPen(pen);
      if (sym) {
        pc->setSymbol(sym);
      }
    }

    replot();
  }
}

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void QcepPlot::onLegendClicked ( const QVariant &  itemInfo, int  index  )

virtualslot

Definition at line 273 of file qcepplot.cpp.

Referenced by init().

{
//  if (g_Application) {
//    g_Application->printMessage(tr("QxrdPlot::onLegendClicked(%1,%2)").arg(itemInfo.toString()).arg(index));
//  }
}

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void QcepPlot::printGraph ( )

slot

Definition at line 199 of file qcepplot.cpp.

Referenced by QxrdDetectorImagePlot::contextMenuEvent(), contextMenuEvent(), QxrdImagePlot::contextMenuEvent(), and QxrdWindow::initialize().

{
  QPrinter printer( QPrinter::HighResolution );

  QString docName = this->title().text();
  if ( !docName.isEmpty() )
  {
    docName.replace ( QRegExp ( QString::fromLatin1 ( "\n" ) ), tr ( " -- " ) );
    printer.setDocName ( docName );
  }

//  printer.setCreator( "Bode example" );
  printer.setOrientation( QPrinter::Landscape );

  QPrintDialog dialog( &printer );

  if ( dialog.exec() ) {
    QwtPlotRenderer renderer;

    if ( printer.colorMode() == QPrinter::GrayScale ) {
      renderer.setDiscardFlag( QwtPlotRenderer::DiscardBackground );
      renderer.setDiscardFlag( QwtPlotRenderer::DiscardCanvasBackground );
      renderer.setDiscardFlag( QwtPlotRenderer::DiscardCanvasFrame );
//      renderer.setLayoutFlag( QwtPlotRenderer::FrameWithScales );
    }

    double gw = this->width();
    double gh = this->height();
    double pw = printer.width();
    double ph = printer.height();
    double scal = qMin( pw/gw, ph/gh);

    pw = gw*scal;
    ph = gh*scal;

    QRectF rect(0,0, pw,ph);

    QPainter p(&printer);

    renderer.render( this, &p, rect);
  }
}

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void QcepPlot::setLogAxis ( int  axis, int  isLog  )

slot

Definition at line 341 of file qcepplot.cpp.

References m_IsLog.

Referenced by setX2AxisLog(), setXAxisLog(), setY2AxisLog(), and setYAxisLog().

{
  if (axis >= 0 && axis < QwtPlot::axisCnt) {
    m_IsLog[axis] = isLog;

    if (isLog) {
      setAxisScaleEngine(axis, new QwtLogScaleEngine);
    } else {
      setAxisScaleEngine(axis, new QwtLinearScaleEngine);
    }

    replot();
  }
}

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void QcepPlot::setPlotCurveStyle	(	int	index,
		QwtPlotCurve *	curve
	)

Definition at line 103 of file qcepplot.cpp.

Referenced by QxrdImagePlot::displayPowderMarkers(), QxrdIntegratorPlot::onNewIntegrationAvailable(), and QxrdImagePlot::updateROIDisplay().

{
  const int nColors = 10;
  const int nSymbols = 4;
  const int nStyles = 3;

  int colorIndex = index % nColors;
  int symbolIndex = (index / nColors) % nSymbols;
  int styleIndex = (index / (nColors * nSymbols)) % nStyles;

  QPen pen;
  QwtSymbol *symb = new QwtSymbol();
  QBrush brush;

  switch (colorIndex) {
  case 0:
    pen = QPen(QColor(255,0,0)); // red
    break;
  case 1:
    pen = QPen(QColor(255,170,0)); // Orange
    break;
  case 2:
    pen = QPen(QColor(255,232,137)); // Yellow
    break;
  case 3:
    pen = QPen(QColor(0,255,0)); // Green
    break;
  case 4:
    pen = QPen(QColor(0,170,0)); // Dk green
    break;
  case 5:
    pen = QPen(QColor(0,255,255)); // Cyan
    break;
  case 6:
    pen = QPen(QColor(0,170,255)); // Sea blue
    break;
  case 7:
    pen = QPen(QColor(0,0,255)); // Blue
    break;
  case 8:
    pen = QPen(QColor(145,0,255)); // Violet
    break;
  case 9:
    pen = QPen(QColor(255,0,255)); // Magenta
    break;
  }

  switch (styleIndex) {
  case 0:
    pen.setStyle(Qt::SolidLine);
    break;
  case 1:
    pen.setStyle(Qt::DashLine);
    break;
  case 2:
    pen.setStyle(Qt::DotLine);
    break;
  case 3:
    pen.setStyle(Qt::DashDotLine);
    break;
  }

  symb->setPen(pen);
  symb->setBrush(QBrush(pen.color()));
  symb->setSize(5,5);

  switch (symbolIndex) {
  case 0:
    symb->setStyle(QwtSymbol::Ellipse);
    break;
  case 1:
    symb->setStyle(QwtSymbol::Rect);
    break;
  case 2:
    symb->setStyle(QwtSymbol::Triangle);
    break;
  case 3:
    symb->setStyle(QwtSymbol::DTriangle);
    break;
  }

  curve -> setPen(pen);
  curve -> setSymbol(symb);
}

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void QcepPlot::setX2AxisLog ( bool  isLog )

slot

Definition at line 331 of file qcepplot.cpp.

References setLogAxis().

Referenced by init().

{
  setLogAxis(QwtPlot::xTop, isLog);
}

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void QcepPlot::setXAxisLog ( bool  isLog )

slot

Definition at line 321 of file qcepplot.cpp.

References setLogAxis().

Referenced by init().

{
  setLogAxis(QwtPlot::xBottom, isLog);
}

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void QcepPlot::setY2AxisLog ( bool  isLog )

slot

Definition at line 336 of file qcepplot.cpp.

References setLogAxis().

Referenced by init().

{
  setLogAxis(QwtPlot::yRight, isLog);
}

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void QcepPlot::setYAxisLog ( bool  isLog )

slot

Definition at line 326 of file qcepplot.cpp.

References setLogAxis().

Referenced by init().

{
  setLogAxis(QwtPlot::yLeft, isLog);
}

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QwtText QcepPlot::trackerTextF ( const QPointF &  pos )

virtual

Reimplemented in QxrdImagePlot.

Definition at line 394 of file qcepplot.cpp.

References m_PlotSettings.

Referenced by QcepPlotMeasurer::trackerTextF(), and QcepPlotZoomer::trackerTextF().

{
  QcepPlotSettingsPtr set(m_PlotSettings);

  if (set) {
    set->set_XMouse(pos.x());
    set->set_YMouse(pos.y());
  }

  return tr("%1, %2").arg(pos.x()).arg(pos.y());
}

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void QcepPlot::updateZoomer

(

)

Definition at line 252 of file qcepplot.cpp.

References m_Zoomer.

Referenced by QxrdIntegratorPlot::onNewIntegrationAvailable().

{
  if (m_Zoomer && m_Zoomer -> zoomRectIndex() == 0) {
    m_Zoomer -> setZoomBase();
  }

  replot();
}

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void QcepPlot::zoomIn ( )

slot

Definition at line 242 of file qcepplot.cpp.

References m_Zoomer.

{
  m_Zoomer -> zoom(1);
}

void QcepPlot::zoomOut ( )

slot

Definition at line 247 of file qcepplot.cpp.

References m_Zoomer.

Referenced by QxrdWindow::initialize().

{
  m_Zoomer -> zoom(-1);
}

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Member Data Documentation

int QcepPlot::m_IsLog[QwtPlot::axisCnt]

protected

Definition at line 64 of file qcepplot.h.

Referenced by logAxis(), QcepPlot(), and setLogAxis().

QwtLegend* QcepPlot::m_Legend

protected

Definition at line 58 of file qcepplot.h.

Referenced by QxrdIntegratorPlot::clearSelectedCurves(), QxrdHistogramPlot::init(), QxrdSlicePlot::init(), QxrdSynchronizedAcquisitionPlot::init(), QxrdAcquisitionExtraInputsPlot::init(), QxrdIntegratorPlot::init(), QxrdDistortionCorrectionPlot::init(), init(), QxrdCenterFinderPlot::init(), QxrdImagePlot::init(), QxrdIntegratorPlot::onNewIntegrationAvailable(), and QxrdImagePlot::selectROILabel().

QwtPlotMagnifier* QcepPlot::m_Magnifier

protected

Definition at line 61 of file qcepplot.h.

Referenced by init().

QcepPlotMeasurerPtr QcepPlot::m_Measurer

protected

Definition at line 62 of file qcepplot.h.

Referenced by enableMeasuring(), enableZooming(), init(), QxrdIntegratorPlot::setDataProcessor(), and QxrdCenterFinderPlot::setWindow().

QwtPlotPanner* QcepPlot::m_Panner

protected

Definition at line 60 of file qcepplot.h.

Referenced by init().

QcepPlotSettingsWPtr QcepPlot::m_PlotSettings

protected

Definition at line 57 of file qcepplot.h.

Referenced by contextMenuEvent(), init(), and trackerTextF().

QwtPlotZoomer* QcepPlot::m_Zoomer

protected

Definition at line 59 of file qcepplot.h.

Referenced by autoScale(), QxrdImagePlot::disablePickers(), enableMeasuring(), enableZooming(), QxrdImagePlot::enableZooming(), init(), QxrdImagePlot::init(), QxrdCenterFinderPlot::onCenterChanged(), QxrdImagePlot::setTrackerPen(), updateZoomer(), zoomIn(), and zoomOut().

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The documentation for this class was generated from the following files:

• qcepplot.h (Commit a65ccc9... : jennings : 2016-03-15 14:00:18 -0500)
• qcepplot.cpp (Commit a65ccc9... : jennings : 2016-03-15 14:00:18 -0500)