Example #1
0
void Legend::toggleHide(bool hide)
{
    QList<PlotCurve*> list = mpPlot->getPlotCurvesList();

    for(int i = 0; i < list.length(); i++)
    {
        if(list[i]->title().text() == mLegendItemStr)
        {
            if (hide)
            {
                QwtText text = list[i]->title();
                text.setColor(QColor(Qt::gray));
                list[i]->setTitle(text);
                list[i]->setVisible(false);
            }
            else
            {
                QwtText text = list[i]->title();
                text.setColor(QColor(Qt::black));
                list[i]->setTitle(text.text());
                list[i]->setVisible(true);
            }
        }
    }
    mpPlot->replot();
}
Example #2
0
  /**
   * Constructor, creates a new HistogramToolWindow
   * 
   * @param title 
   * @param parent 
   */
  HistogramToolWindow::HistogramToolWindow(QString title,QWidget *parent) : PlotWindow(title, parent) {
    p_plot->enableAxis(QwtPlot::yRight);
    QwtText *leftLabel = new QwtText("Frequency",
                                     QwtText::PlainText);

    leftLabel->setColor(Qt::darkCyan);
    QFont font = leftLabel->font();
    font.setPointSize(13);
    font.setBold(true);
    leftLabel->setFont(font);
    p_plot->setAxisTitle(QwtPlot::yLeft, *leftLabel);

    p_dock = new QDockWidget("Histogram Info",this);
    p_dock->setAllowedAreas(Qt::AllDockWidgetAreas);
    p_dock->setFloating(false);
    p_dock->setObjectName("DockWidget");
    p_dock->setMinimumWidth(130);
    p_mainWindow->addDockWidget(Qt::LeftDockWidgetArea, p_dock, Qt::Vertical);

    QwtText *rtLabel = new QwtText("Percentage",
                                   QwtText::PlainText);
    rtLabel->setColor(Qt::red);
    font = rtLabel->font();
    font.setPointSize(13);
    font.setBold(true);
    rtLabel->setFont(font);
    p_plot->setAxisTitle(QwtPlot::yRight,*rtLabel);    

    setAxisLabel(QwtPlot::xBottom,"Pixel Value (DN)");

    setScale(QwtPlot::yRight,0,100);

    setPlotBackground(Qt::white);
  }
Example #3
0
void Plot2DProfile::setLegendLine( bool showLegendLine ){
    QwtText text = title();
    if ( showLegendLine ){
        setLegendIconSize(QSize(36,8));
        text.setColor( "black");
    }
    else {
        setLegendIconSize(QSize(0,0));
        text.setColor( m_defaultColor );
    }
    setTitle( text );
}
void Spectrogram::createLabels()
{
	clearLabels();

	QwtValueList levels = contourLevels();
	const int numLevels = levels.size();
    for (int l = 0; l < numLevels; l++){
		PlotMarker *m = new PlotMarker(l, d_labels_angle);

		QwtText t = QwtText(QString::number(levels[l]));
		t.setColor(d_labels_color);
		t.setFont(d_labels_font);

		if (d_white_out_labels)
			t.setBackgroundBrush(QBrush(Qt::white));
        else
            t.setBackgroundBrush(QBrush(Qt::transparent));
		m->setLabel(t);

        int x_axis = xAxis();
        int y_axis = yAxis();
		m->setAxis(x_axis, y_axis);

        if (d_graph && d_show_labels)
			m->attach(d_graph);
		d_labels_list << m;
	}
}
Example #5
0
QwtText CurveTracker::trackerTextF( const QPointF &pos ) const
{
    QwtText trackerText;

    trackerText.setColor( Qt::black );

    QColor c( "#333333" );
    trackerText.setBorderPen( QPen( c, 2 ) );
    c.setAlpha( 200 );
    trackerText.setBackgroundBrush( c );

    QString info;

    const QwtPlotItemList curves = 
        plot()->itemList( QwtPlotItem::Rtti_PlotCurve );

    for ( int i = 0; i < curves.size(); i++ )
    {
        const QString curveInfo = curveInfoAt( 
            static_cast<const QwtPlotCurve *>( curves[i] ), pos );

        if ( !curveInfo.isEmpty() )
        {
            if ( !info.isEmpty() )
                info += "<br>";

            info += curveInfo;
        }
    }

    trackerText.setText( info );
    return trackerText;
}
Example #6
0
    PfPvPlotZoneLabel(PfPvPlot *_parent, int _zone_number)
    {
        parent = _parent;
        zone_number = _zone_number;

        RideItem *rideItem = parent->rideItem;
        const Zones *zones = rideItem->zones;
        int zone_range = rideItem->zoneRange();

        setZ(1.0 + zone_number / 100.0);

        // create new zone labels if we're shading
        if (zone_range >= 0) {

            // retrieve zone setup
            QList <int> zone_lows = zones->getZoneLows(zone_range);
            QList <QString> zone_names = zones->getZoneNames(zone_range);
            int num_zones = zone_lows.size();
            assert(zone_names.size() == num_zones);

            if (zone_number < num_zones) {

                watts = ((zone_number + 1 < num_zones) ?  0.5 * (zone_lows[zone_number] + zone_lows[zone_number + 1]) : ( (zone_number > 0) ?  (1.5 * zone_lows[zone_number] - 0.5 * zone_lows[zone_number - 1]) : 2.0 * zone_lows[zone_number]));

                text = QwtText(zone_names[zone_number]);
                text.setFont(QFont("Helvetica",24, QFont::Bold));
                QColor text_color = zoneColor(zone_number, num_zones);
                text_color.setAlpha(64);
                text.setColor(text_color);
            }
        }
    }
void SweepInspector::loadSweep(int index) {
  //load in new sweep values from data
  if (data == NULL) return;
  if ( (index < 0)  || (index >= data->getNumSweeps())) return;

  //remove old data and get new
  if (d_curve) d_curve->attach(NULL);
  detachItems();
  fsweep sweep = data->getSweep(index);

  d_curve = new QwtPlotCurve( data->timestampFromIndex(index) ); //Qwt will delete() this when its done with it
  d_curve->setRenderHint( QwtPlotItem::RenderAntialiased );
  d_curve->setStyle( QwtPlotCurve::Lines );
  d_curve->setPen( QColor( Qt::yellow ), 2, Qt::SolidLine );
  d_curve->setSamples( sweep );
  d_curve->attach(this);

  QwtInterval frange = data->limits(FREQ);
  //setAxisScale(QwtPlot::xBottom, frange.minValue(), frange.maxValue(), (frange.maxValue() - frange.minValue())/ 5.0);
  //setAxisScale(QwtPlot::yLeft, -135, 20, 10.0);
  setTitle( QString("RF Sweep @ %1").arg(data->timestampFromIndex(index)) );
  //set maximum zoom out
  zoomer->setZoomBase(QRectF(QPointF(frange.minValue(), 40), QPointF(frange.maxValue(), -135)));
  zoomer->zoomBase();

  //find max, min, and average values and drop it on plot as well
  double max = sweep.first().y(), min = sweep.first().y(), avg=0;
  for(int i=0; i < sweep.size(); i++) {
    max = std::max(max, sweep.at(i).y());
    min = std::min(min, sweep.at(i).y());
    avg += sweep.at(i).y();
  } avg /= sweep.size();

  //add markers onto the plot
  QwtPlotMarker *one = new QwtPlotMarker(), *two = new QwtPlotMarker();
  one->attach(this); one->setAxes(QwtPlot::xTop, QwtPlot::yRight);
  two->attach(this); two->setAxes(QwtPlot::xTop, QwtPlot::yRight);

  QwtText tone = QwtText(QString("Max: %1 dBm\nMin: %2 dBm\nAvg: %3 dBm").arg(max).arg(min).arg(avg));
  tone.setFont( QFont( "Helvetica", 10, QFont::Bold ) );
  tone.setColor( Qt::green );
  tone.setRenderFlags(Qt::AlignTop | Qt::AlignLeft);

  one->setLabel(tone);
  one->setValue(0, 10);
  one->setLabelAlignment(Qt::AlignBottom | Qt::AlignRight);

  QwtText ttwo(data->plotText());
  ttwo.setFont( QFont( "Helvetica", 10, QFont::Bold ) );
  ttwo.setColor( Qt::white );
  ttwo.setRenderFlags(Qt::AlignBottom | Qt::AlignRight);

  two->setLabel(ttwo);
  two->setValue(10, 10);
  two->setLabelAlignment(Qt::AlignBottom | Qt::AlignLeft);

  replot();
  repaint();
}
Example #8
0
    PfPvPlotZoneLabel(PfPvPlot *_parent, int _zone_number)
    {
        parent = _parent;
        RideItem *rideItem = parent->rideItem;
        zone_number = _zone_number;

        // get zone data from ride or athlete ...
        const Zones *zones;
        int zone_range = -1;

        if (parent->context->isCompareIntervals) {

            zones = parent->context->athlete->zones();
            if (!zones) return;

            // use first compare interval date
            if (parent->context->compareIntervals.count())
                zone_range = zones->whichRange(parent->context->compareIntervals[0].data->startTime().date());

            // still not set 
            if (zone_range == -1)
                zone_range = zones->whichRange(QDate::currentDate());

        } else if (rideItem) {

            zones = rideItem->zones;
            zone_range = rideItem->zoneRange();

        } else {

            return; // nulls

        }

        setZ(1.0 + zone_number / 100.0);

        // create new zone labels if we're shading
        if (zone_range >= 0) {

            // retrieve zone setup
            QList <int> zone_lows = zones->getZoneLows(zone_range);
            QList <QString> zone_names = zones->getZoneNames(zone_range);
            int num_zones = zone_lows.size();
            if(zone_names.size() != num_zones) return;

            if (zone_number < num_zones) {

                watts = ((zone_number + 1 < num_zones) ?  0.5 * (zone_lows[zone_number] + zone_lows[zone_number + 1]) : ( (zone_number > 0) ?  (1.5 * zone_lows[zone_number] - 0.5 * zone_lows[zone_number - 1]) : 2.0 * zone_lows[zone_number]));

                text = QwtText(zone_names[zone_number]);
                text.setFont(QFont("Helvetica",24, QFont::Bold));
                QColor text_color = zoneColor(zone_number, num_zones);
                text_color.setAlpha(64);
                text.setColor(text_color);
            }
        }
    }
void QwtHistogram::loadLabels()
{
	clearLabels();

	int size = this->dataSize();
	if (!size)
		return;

	QwtPlot *d_plot = plot();
	if (!d_plot)
		return;

	int index = 0;
	for (int i = 0; i < size; i++){
		PlotMarker *m = new PlotMarker(index, d_labels_angle);

		QwtText t = QwtText(QString::number(y(i)));
		t.setColor(d_labels_color);
		t.setFont(d_labels_font);
		if (d_white_out_labels)
			t.setBackgroundBrush(QBrush(Qt::white));
		else
			t.setBackgroundBrush(QBrush(Qt::transparent));
		m->setLabel(t);

		int x_axis = xAxis();
		int y_axis = yAxis();
		m->setAxis(x_axis, y_axis);

		QSize size = t.textSize();
		int dx = int(d_labels_x_offset*0.01*size.height());
		int dy = -int((d_labels_y_offset*0.01 + 0.5)*size.height());
		int x2 = d_plot->transform(x_axis, x(index)) + dx;
		int y2 = d_plot->transform(y_axis, y(index)) + dy;
		switch(d_labels_align){
			case Qt::AlignLeft:
			break;
			case Qt::AlignHCenter:
				x2 -= size.width()/2;
			break;
			case Qt::AlignRight:
				x2 -= size.width();
			break;
		}
		m->setXValue(d_plot->invTransform(x_axis, x2));
		m->setYValue(d_plot->invTransform(y_axis, y2));
		m->attach(d_plot);
		d_labels_list << m;
		index++;
	}

	d_show_labels = true;
}
Example #10
0
void caStripPlot::addText(double x, double y, char* text, QColor c, int fontsize)
{
    QwtPlotMarker *mY = new QwtPlotMarker();
    QwtText txt;
    txt.setText(text);
    txt.setFont(QFont("Helvetica",fontsize, QFont::Bold));
    txt.setColor(c);
    mY->setLabel(txt);
    mY->setLabelAlignment(Qt::AlignRight | Qt::AlignTop);
    mY->setXValue(x);
    mY->setYValue(y);
    mY->attach(this);
    replot();
}
Example #11
0
Plot::Plot(int width, int height, QWidget *parent, const char *)
: QwtPlot(parent)
{
	setAutoReplot (false);

	marker_key = 0;
	curve_key = 0;

	minTickLength = 5;
	majTickLength = 9;

	setGeometry(QRect(0, 0, width, height));
	setAxisTitle(QwtPlot::yLeft, tr("Y Axis Title"));
	setAxisTitle(QwtPlot::xBottom, tr("X Axis Title"));
	//due to the plot layout updates, we must always have a non empty title
	setAxisTitle(QwtPlot::yRight, tr(" "));
	setAxisTitle(QwtPlot::xTop, tr(" "));

	// grid
	d_grid = new Grid();
	d_grid->attach(this);

	//custom scale
	for (int i= 0; i<QwtPlot::axisCnt; i++) {
		QwtScaleWidget *scale = (QwtScaleWidget *) axisWidget(i);
		if (scale) {
			scale->setMargin(0);

			//the axis title color must be initialized...
			QwtText title = scale->title();
			title.setColor(Qt::black);
			scale->setTitle(title);

            //...same for axis color
            QPalette pal = scale->palette();
            pal.setColor(QPalette::Foreground, QColor(Qt::black));
            scale->setPalette(pal);

			ScaleDraw *sd = new ScaleDraw(this);
			sd->setTickLength(QwtScaleDiv::MinorTick, minTickLength);
			sd->setTickLength(QwtScaleDiv::MediumTick, minTickLength);
			sd->setTickLength(QwtScaleDiv::MajorTick, majTickLength);

			setAxisScaleDraw (i, sd);
			setAxisScaleEngine (i, new ScaleEngine());
		}
	}

	QwtPlotLayout *pLayout = plotLayout();
	pLayout->setCanvasMargin(0);
	pLayout->setAlignCanvasToScales (true);

	QwtPlotCanvas* plCanvas = canvas();
	plCanvas->setFocusPolicy(Qt::StrongFocus);
	plCanvas->setFocusIndicator(QwtPlotCanvas::ItemFocusIndicator);
	//plCanvas->setFocus();
	plCanvas->setFrameShadow(QwtPlot::Plain);
	plCanvas->setCursor(Qt::arrowCursor);
	plCanvas->setLineWidth(0);
	plCanvas->setPaintAttribute(QwtPlotCanvas::PaintCached, false);
	plCanvas->setPaintAttribute(QwtPlotCanvas::PaintPacked, false);

    QColor background = QColor(Qt::white);
    background.setAlpha(255);

	QPalette palette;
    palette.setColor(QPalette::Window, background);
    setPalette(palette);

	setCanvasBackground (background);
	setFocusPolicy(Qt::StrongFocus);
	//setFocusProxy(plCanvas);
	setFrameShape(QFrame::Box);
	setLineWidth(0);
}
void QwtPlotPrintFilter::reset(QwtPlotItem *item) const
{
    if ( d_data->cache == 0 )
        return;

    const PrivateData::Cache &cache = *d_data->cache;

    switch(item->rtti())
    {
        case QwtPlotItem::Rtti_PlotGrid:
        {
            QwtPlotGrid *grid = (QwtPlotGrid *)item;

            QPen pen = grid->majPen();
            pen.setColor(cache.gridColors[0]);
            grid->setMajPen(pen);

            pen = grid->minPen();
            pen.setColor(cache.gridColors[1]);
            grid->setMinPen(pen);

            break;
        }
        case QwtPlotItem::Rtti_PlotCurve:
        {
            QwtPlotCurve *c = (QwtPlotCurve *)item;

            QwtSymbol symbol = c->symbol();

            if ( cache.curveSymbolPenColors.contains(c) )
            {
                symbol.setPen(cache.curveSymbolPenColors[c]);
            }

            if ( cache.curveSymbolBrushColors.contains(c) )
            {
                QBrush brush = symbol.brush();
                brush.setColor(cache.curveSymbolBrushColors[c]);
                symbol.setBrush(brush);
            }
            c->setSymbol(symbol);

            if ( cache.curveColors.contains(c) )
            {
                QPen pen = c->pen();
                pen.setColor(cache.curveColors[c]);
                c->setPen(pen);
            }

            break;
        }
        case QwtPlotItem::Rtti_PlotMarker:
        {
            QwtPlotMarker *m = (QwtPlotMarker *)item;

            if ( cache.markerFonts.contains(m) )
            {
                QwtText label = m->label();
                label.setFont(cache.markerFonts[m]);
                m->setLabel(label);
            }

            if ( cache.markerLabelColors.contains(m) )
            {
                QwtText label = m->label();
                label.setColor(cache.markerLabelColors[m]);
                m->setLabel(label);
            }

            if ( cache.markerLineColors.contains(m) )
            {
                QPen pen = m->linePen();
                pen.setColor(cache.markerLineColors[m]);
                m->setLinePen(pen);
            }
            
            QwtSymbol symbol = m->symbol();

            if ( cache.markerSymbolPenColors.contains(m) )
            {
                QPen pen = symbol.pen();
                pen.setColor(cache.markerSymbolPenColors[m]);
                symbol.setPen(pen);
            }

            if ( cache.markerSymbolBrushColors.contains(m) )
            {
                QBrush brush = symbol.brush();
                brush.setColor(cache.markerSymbolBrushColors[m]);
                symbol.setBrush(brush);
            }

            m->setSymbol(symbol);

            break;
        }
        default:
            break;
    }
}
Example #13
0
void MavPlot::apply_print_colors(bool yes) {
    if (yes && !_havePrintColors) {
        const QColor printcol = QColor(0,0,0); // default color: black
        /*******************
         *  ENABLE PRINT COLS
         *******************/
        // title
        QwtText plottitle = title();
        _col_title_screen = plottitle.color();
        plottitle.setColor(printcol);
        setTitle(plottitle);
        // all legend entries ->
        for (dataplotmap::iterator d = _series.begin(); d != _series.end(); ++d) {
            QWT_ABSTRACT_SERIESITEM * s = d->second;
            if (!s) continue;
            if (d == _series.begin()) {
                _col_legend_screen = s->title().color(); // save color of first legend text
            }

            // thicker lines for all
            QwtPlotCurve * const q = dynamic_cast<QwtPlotCurve * const>(s);
            if (q) {
                QPen p = q->pen();
                p.setWidth(PLOT_LINE_WIDTH);
                p.setCosmetic(true);
                q->setPen(p);
            }

            // text of legend -> black
            QwtText title = s->title();
            title.setColor(printcol);
            s->setTitle(title);
        }
        // axes
        _pal_axis_screen = axisWidget(QwtPlot::xBottom)->palette();
        QPalette pal_print;
        pal_print.setColor(QPalette::WindowText, printcol);
        pal_print.setColor(QPalette::Text, printcol);
        axisWidget(QwtPlot::xBottom)->setPalette(pal_print);
        axisWidget(QwtPlot::yLeft)->setPalette(pal_print);
    } else {
        if (_havePrintColors) {
            /*******************
             *  UNDO
             *******************/
            // title
            QwtText plottitle = title();
            plottitle.setColor(_col_title_screen);
            setTitle(plottitle);
            // all legend entries ->
            for (dataplotmap::iterator d = _series.begin(); d != _series.end(); ++d) {
                QWT_ABSTRACT_SERIESITEM * s = d->second;
                if (!s) continue;
                // thinner lines for all
                QwtPlotCurve * const q = dynamic_cast<QwtPlotCurve * const>(s);
                if (q) {
                    QPen p = q->pen();
                    p.setWidth(1);
                    p.setCosmetic(false);
                    q->setPen(p);
                }
                // restore legend text color
                QwtText title = s->title();
                title.setColor(_col_legend_screen);
                s->setTitle(title);
            }            
            // axes
            axisWidget(QwtPlot::xBottom)->setPalette(_pal_axis_screen);
            axisWidget(QwtPlot::yLeft)->setPalette(_pal_axis_screen);
        }
    }
    _havePrintColors = yes;
}
/*! 
  Change color and fonts of a plot
  \sa apply()
*/
void QwtPlotPrintFilter::apply(QwtPlot *plot) const
{
    const bool doAutoReplot = plot->autoReplot();
    plot->setAutoReplot(false);

    delete d_data->cache;
    d_data->cache = new PrivateData::Cache;

    PrivateData::Cache &cache = *d_data->cache;

    if ( plot->titleLabel() )
    {
        QPalette palette = plot->titleLabel()->palette();
        cache.titleColor = palette.color(
            QPalette::Active, Palette::Text);
        palette.setColor(QPalette::Active, Palette::Text,
                         color(cache.titleColor, Title));
        plot->titleLabel()->setPalette(palette);

        cache.titleFont = plot->titleLabel()->font();
        plot->titleLabel()->setFont(font(cache.titleFont, Title));
    }
    if ( plot->legend() )
    {
#if QT_VERSION < 0x040000
        QValueList<QWidget *> list = plot->legend()->legendItems();
        for ( QValueListIterator<QWidget *> it = list.begin();
            it != list.end(); ++it )
#else
        QList<QWidget *> list = plot->legend()->legendItems();
        for ( QList<QWidget*>::iterator it = list.begin();
            it != list.end(); ++it )
#endif
        {
            QWidget *w = *it;

            cache.legendFonts.insert(w, w->font());
            w->setFont(font(w->font(), Legend));

            if ( w->inherits("QwtLegendItem") )
            {
                QwtLegendItem *label = (QwtLegendItem *)w;

                QwtSymbol symbol = label->symbol();
                QPen pen = symbol.pen();
                QBrush brush = symbol.brush();

                pen.setColor(color(pen.color(), CurveSymbol));
                brush.setColor(color(brush.color(), CurveSymbol));

                symbol.setPen(pen);
                symbol.setBrush(brush);
                label->setSymbol(symbol);

                pen = label->curvePen();
                pen.setColor(color(pen.color(), Curve));
                label->setCurvePen(pen);
            }
        }
    }
    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
    {
        QwtScaleWidget *scaleWidget = plot->axisWidget(axis);
        if ( scaleWidget )
        {
            cache.scaleColor[axis] = scaleWidget->palette().color(
                QPalette::Active, Palette::Foreground);
            QPalette palette = scaleWidget->palette();
            palette.setColor(QPalette::Active, Palette::Foreground,
                             color(cache.scaleColor[axis], AxisScale));
            scaleWidget->setPalette(palette);

            cache.scaleFont[axis] = scaleWidget->font();
            scaleWidget->setFont(font(cache.scaleFont[axis], AxisScale));

            cache.scaleTitle[axis] = scaleWidget->title();

            QwtText scaleTitle = scaleWidget->title();
            if ( scaleTitle.testPaintAttribute(QwtText::PaintUsingTextColor) )
            {
                cache.scaleTitleColor[axis] = scaleTitle.color();
                scaleTitle.setColor(
                    color(cache.scaleTitleColor[axis], AxisTitle));
            }

            if ( scaleTitle.testPaintAttribute(QwtText::PaintUsingTextFont) )
            {
                cache.scaleTitleFont[axis] = scaleTitle.font();
                scaleTitle.setFont(
                    font(cache.scaleTitleFont[axis], AxisTitle));
            }

            scaleWidget->setTitle(scaleTitle);

            int startDist, endDist;
            scaleWidget->getBorderDistHint(startDist, endDist);
            scaleWidget->setBorderDist(startDist, endDist);
        }
    }

    if ( hasBackgroundColor(plot) )
    {
        QPalette p = plot->palette();
        cache.widgetBackground = plot->palette().color(
            QPalette::Active, Palette::Background);
        p.setColor(QPalette::Active, Palette::Background, 
            color(cache.widgetBackground, WidgetBackground));
        plot->setPalette(p);
    }

    if ( hasBackgroundColor(plot->canvas()))
    {
        cache.canvasBackground = plot->canvasBackground();
        plot->setCanvasBackground(color(cache.canvasBackground, CanvasBackground));
    }

    const QwtPlotItemList& itmList = plot->itemList();
    for ( QwtPlotItemIterator it = itmList.begin();
        it != itmList.end(); ++it )
    {
        apply(*it);
    }

    plot->setAutoReplot(doAutoReplot);
}
Example #15
0
void DataCurve::loadLabels()
{
    if (!validCurveType())
        return;

    clearLabels();

    int xcol = d_table->colIndex(d_x_column);
    int ycol = d_table->colIndex(title().text());
    int labelsCol = d_table->colIndex(d_labels_column);
    int cols = d_table->numCols();
    if (xcol < 0 || ycol < 0 || labelsCol < 0 ||
            xcol >= cols || ycol >= cols || labelsCol >= cols)
        return;

    QwtPlot *d_plot = plot();
    if (!d_plot)
        return;

    int index = 0;
    for (int i = d_start_row; i <= d_end_row; i++) {
        if (d_table->text(i, xcol).isEmpty() ||
                d_table->text(i, ycol).isEmpty())
            continue;

        PlotMarker *m = new PlotMarker(index, d_labels_angle);

        QwtText t = QwtText(d_table->text(i, labelsCol));
        t.setColor(d_labels_color);
        t.setFont(d_labels_font);
        if (d_white_out_labels)
            t.setBackgroundBrush(QBrush(Qt::white));
        else
            t.setBackgroundBrush(QBrush(Qt::transparent));
        m->setLabel(t);

        int x_axis = xAxis();
        int y_axis = yAxis();
        m->setAxis(x_axis, y_axis);

        QSize size = t.textSize();
        int dx = int(d_labels_x_offset*0.01*size.height());
        int dy = -int((d_labels_y_offset*0.01 + 0.5)*size.height());
        int x2 = d_plot->transform(x_axis, x(index)) + dx;
        int y2 = d_plot->transform(y_axis, y(index)) + dy;
        switch(d_labels_align) {
        case Qt::AlignLeft:
            break;
        case Qt::AlignHCenter:
            x2 -= size.width()/2;
            break;
        case Qt::AlignRight:
            x2 -= size.width();
            break;
        }
        m->setXValue(d_plot->invTransform(x_axis, x2));
        m->setYValue(d_plot->invTransform(y_axis, y2));
        m->attach(d_plot);
        d_labels_list << m;
        index++;
    }

    d_show_labels = true;
}
void QwtPlotPrintFilter::apply(QwtPlotItem *item) const
{
    PrivateData::Cache &cache = *d_data->cache;

    switch(item->rtti())
    {
        case QwtPlotItem::Rtti_PlotGrid:
        {
            QwtPlotGrid *grid = (QwtPlotGrid *)item;

            QPen pen = grid->majPen();
            cache.gridColors[0] = pen.color();
            pen.setColor(color(pen.color(), MajorGrid));
            grid->setMajPen(pen);

            pen = grid->minPen();
            cache.gridColors[1] = pen.color();
            pen.setColor(color(pen.color(), MinorGrid));
            grid->setMinPen(pen);

            break;
        }
        case QwtPlotItem::Rtti_PlotCurve:
        {
            QwtPlotCurve *c = (QwtPlotCurve *)item;

            QwtSymbol symbol = c->symbol();

            QPen pen = symbol.pen();
            cache.curveSymbolPenColors.insert(c, pen.color());
            pen.setColor(color(pen.color(), CurveSymbol));
            symbol.setPen(pen);

            QBrush brush = symbol.brush();
            cache.curveSymbolBrushColors.insert(c, brush.color());
            brush.setColor(color(brush.color(), CurveSymbol));
            symbol.setBrush(brush);

            c->setSymbol(symbol);

            pen = c->pen();
            cache.curveColors.insert(c, pen.color());
            pen.setColor(color(pen.color(), Curve));
            c->setPen(pen);

            break;
        }
        case QwtPlotItem::Rtti_PlotMarker:
        {
            QwtPlotMarker *m = (QwtPlotMarker *)item;

            QwtText label = m->label();
            cache.markerFonts.insert(m, label.font());
            label.setFont(font(label.font(), Marker));
            cache.markerLabelColors.insert(m, label.color());
            label.setColor(color(label.color(), Marker));
            m->setLabel(label);
            
            QPen pen = m->linePen();
            cache.markerLineColors.insert(m, pen.color());
            pen.setColor(color(pen.color(), Marker));
            m->setLinePen(pen);

            QwtSymbol symbol = m->symbol();

            pen = symbol.pen();
            cache.markerSymbolPenColors.insert(m, pen.color());
            pen.setColor(color(pen.color(), MarkerSymbol));
            symbol.setPen(pen);

            QBrush brush = symbol.brush();
            cache.markerSymbolBrushColors.insert(m, brush.color());
            brush.setColor(color(brush.color(), MarkerSymbol));
            symbol.setBrush(brush);

            m->setSymbol(symbol);

            break;
        }
        default:    
            break;
    }
}
/*! 
   Reset color and fonts of a plot
   \sa apply()
*/
void QwtPlotPrintFilter::reset(QwtPlot *plot) const
{
    if ( d_data->cache == 0 )
        return;

    const bool doAutoReplot = plot->autoReplot();
    plot->setAutoReplot(false);

    const PrivateData::Cache &cache = *d_data->cache;

    if ( plot->titleLabel() )
    {
        QwtTextLabel* title = plot->titleLabel();
        if ( title->text().testPaintAttribute(QwtText::PaintUsingTextFont) )
        {
            QwtText text = title->text();
            text.setColor(cache.titleColor);
            title->setText(text);
        }
        else
        {
            QPalette palette = title->palette();
            palette.setColor(
                QPalette::Active, Palette::Text, cache.titleColor);
            title->setPalette(palette);
        }

        if ( title->text().testPaintAttribute(QwtText::PaintUsingTextFont) )
        {
            QwtText text = title->text();
            text.setFont(cache.titleFont);
            title->setText(text);
        }
        else
        {
            title->setFont(cache.titleFont);
        }
    }

    if ( plot->legend() )
    {
#if QT_VERSION < 0x040000
        QValueList<QWidget *> list = plot->legend()->legendItems();
        for ( QValueListIterator<QWidget *> it = list.begin();
            it != list.end(); ++it )
#else
        QList<QWidget *> list = plot->legend()->legendItems();
        for ( QList<QWidget*>::iterator it = list.begin();
            it != list.end(); ++it )
#endif
        {
            QWidget *w = *it;

            if ( cache.legendFonts.contains(w) )
                w->setFont(cache.legendFonts[w]);

            if ( w->inherits("QwtLegendItem") )
            {
                QwtLegendItem *label = (QwtLegendItem *)w;
                const QwtPlotItem *plotItem = 
                    (const QwtPlotItem*)plot->legend()->find(label);

                QwtSymbol symbol = label->symbol();
                if ( cache.curveSymbolPenColors.contains(plotItem) )
                {
                    QPen pen = symbol.pen();
                    pen.setColor(cache.curveSymbolPenColors[plotItem]);
                    symbol.setPen(pen);
                }

                if ( cache.curveSymbolBrushColors.contains(plotItem) )
                {
                    QBrush brush = symbol.brush();
                    brush.setColor(cache.curveSymbolBrushColors[plotItem]);
                    symbol.setBrush(brush);
                }
                label->setSymbol(symbol);

                if ( cache.curveColors.contains(plotItem) )
                {
                    QPen pen = label->curvePen();
                    pen.setColor(cache.curveColors[plotItem]);
                    label->setCurvePen(pen);
                }
            }
        }
    }
    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
    {
        QwtScaleWidget *scaleWidget = plot->axisWidget(axis);
        if ( scaleWidget )
        {
            QPalette palette = scaleWidget->palette();
            palette.setColor(QPalette::Active, Palette::Foreground,
                             cache.scaleColor[axis]);
            scaleWidget->setPalette(palette);

            scaleWidget->setFont(cache.scaleFont[axis]);
            scaleWidget->setTitle(cache.scaleTitle[axis]);

            int startDist, endDist;
            scaleWidget->getBorderDistHint(startDist, endDist);
            scaleWidget->setBorderDist(startDist, endDist);
        }
    }

    if ( hasBackgroundColor(plot) )
    {
        QPalette p = plot->palette();
        p.setColor(QPalette::Active, Palette::Background, cache.widgetBackground);
        plot->setPalette(p);
    }

    if ( hasBackgroundColor(plot->canvas()) )
    {
        plot->setCanvasBackground(cache.canvasBackground);
    }
   
    const QwtPlotItemList& itmList = plot->itemList();
    for ( QwtPlotItemIterator it = itmList.begin();
        it != itmList.end(); ++it )
    {
        reset(*it);
    }

    delete d_data->cache;
    d_data->cache = 0;

    plot->setAutoReplot(doAutoReplot);
}
Example #18
0
Plot::Plot(QWidget *parent, const char *name)
		: QwtPlot(parent)
{
marker_key = 0;
curve_key = 0;

minTickLength = 5;
majTickLength = 9;

movedGraph=FALSE;
graphToResize=FALSE;
ShiftButton=FALSE;

setGeometry(QRect(0,0,500,400));
setAxisTitle(QwtPlot::yLeft, tr("Y Axis Title"));
setAxisTitle(QwtPlot::xBottom, tr("X Axis Title"));	

// grid 
d_grid = new Grid;
d_grid->enableX(false);
d_grid->enableY(false);
d_grid->setMajPen(QPen(Qt::blue, 0, Qt::SolidLine));
d_grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
d_grid->attach(this);

//custom scale
for (int i= 0; i<QwtPlot::axisCnt; i++)
	{
	QwtScaleWidget *scale = (QwtScaleWidget *) axisWidget(i);
	if (scale)
		{
		scale->setMargin(0);

		//the axis title color must be initialized
		QwtText title = scale->title();
		title.setColor(Qt::black);
		scale->setTitle(title);

		ScaleDraw *sd = new ScaleDraw();
		sd->setTickLength  	(QwtScaleDiv::MinorTick, minTickLength); 
		sd->setTickLength  	(QwtScaleDiv::MediumTick, minTickLength);
		sd->setTickLength  	(QwtScaleDiv::MajorTick, majTickLength);

		setAxisScaleDraw (i, sd);
		}
	}
	
QwtPlotLayout *pLayout=plotLayout();
pLayout->setCanvasMargin(0);

QwtPlotCanvas* plCanvas = canvas();
plCanvas->setFocusPolicy(QWidget::StrongFocus);
plCanvas->setFocusIndicator(QwtPlotCanvas::ItemFocusIndicator);
plCanvas->setFocus();
plCanvas->setFrameShadow(QwtPlot::Plain);
plCanvas->setCursor(Qt::arrowCursor);
plCanvas->setLineWidth(0);

setFocusPolicy(QWidget::StrongFocus);
setFocusProxy(plCanvas);
setFrameShape (QFrame::Box);
setLineWidth(0);
}
Example #19
0
void
HrPwPlot::recalc()
{
    if (timeArray.count() == 0)
        return;

    int rideTimeSecs = (int) ceil(timeArray[arrayLength - 1]);
    if (rideTimeSecs > SECONDS_IN_A_WEEK) {
        return;
    }

    // ------ smoothing -----
    double totalWatts = 0.0;
    double totalHr = 0.0;
    QList<DataPoint*> list;
    int i = 0;
    QVector<double> smoothWatts(rideTimeSecs + 1);
    QVector<double> smoothHr(rideTimeSecs + 1);
    QVector<double> smoothTime(rideTimeSecs + 1);
    int decal=0;

    //int interval = 0;
    int smooth = hrPwWindow->smooth;

    for (int secs = smooth; secs <= rideTimeSecs; ++secs) {

        while ((i < arrayLength) && (timeArray[i] <= secs)) {

            DataPoint *dp = new DataPoint(timeArray[i], hrArray[i], wattsArray[i], interArray[i]);
            totalWatts += wattsArray[i];
            totalHr    += hrArray[i];
            list.append(dp);

            ++i;
        }

        while (!list.empty() && (list.front()->time < secs - smooth)) {

            DataPoint *dp = list.front();
            list.removeFirst();
            totalWatts -= dp->watts;
            totalHr    -= dp->hr;
            delete dp;
        }

        if (list.empty()) ++decal;
        else {
            smoothWatts[secs-decal]    = totalWatts / list.size();
            smoothHr[secs-decal]       = totalHr / list.size();
        }
        smoothTime[secs]  = secs / 60.0;
    }

    // Delete temporary list
    qDeleteAll(list);
    list.clear();

    rideTimeSecs = rideTimeSecs-decal;
    smoothWatts.resize(rideTimeSecs);
    smoothHr.resize(rideTimeSecs);

    // Clip to max
    QVector<double> clipWatts(rideTimeSecs);
    QVector<double> clipHr(rideTimeSecs);

    decal = 0;
    for (int secs = 0; secs < rideTimeSecs; ++secs) {

        if (smoothHr[secs]>= minHr && smoothWatts[secs]>= minWatt && smoothWatts[secs]<maxWatt) {
            clipWatts[secs-decal]    = smoothWatts[secs];
            clipHr[secs-decal]    = smoothHr[secs];
         } else decal ++;
    }

    rideTimeSecs = rideTimeSecs-decal;
    clipWatts.resize(rideTimeSecs);
    clipHr.resize(rideTimeSecs);

    // Find Hr Delay
    if (delay == -1) delay = hrPwWindow->findDelay(clipWatts, clipHr, clipWatts.size());
    else if (delay>rideTimeSecs) delay=rideTimeSecs;

    // Apply delay
    QVector<double> delayWatts(rideTimeSecs-delay);
    QVector<double> delayHr(rideTimeSecs-delay);

    for (int secs = 0; secs < rideTimeSecs-delay; ++secs) {
        delayWatts[secs]    = clipWatts[secs];
        delayHr[secs]    = clipHr[secs+delay];
    }
    rideTimeSecs = rideTimeSecs-delay;

    double rslope = hrPwWindow->slope(delayWatts, delayHr, delayWatts.size());
    double rintercept = hrPwWindow->intercept(delayWatts, delayHr, delayWatts.size());
    double maxr = hrPwWindow->corr(delayWatts, delayHr, delayWatts.size());

    // ----- limit plotted points ---
    int intpoints = 10; // could be ride length dependent
    int nbpoints = (int)floor(rideTimeSecs/intpoints);

    QVector<double> plotedWatts(nbpoints);
    QVector<double> plotedHr(nbpoints);

    for (int secs = 0; secs < nbpoints; ++secs) {
        plotedWatts[secs]    = clipWatts[secs*intpoints];
        plotedHr[secs]    = clipHr[secs*intpoints];
    }
    int nbpoints2 = (int)floor(nbpoints/36)+2;

    double *plotedWattsArray[36];
    double *plotedHrArray[36];

    for (int i = 0; i < 36; ++i) {
        plotedWattsArray[i]= new double[nbpoints2];
        plotedHrArray[i]= new double[nbpoints2];
    }

    for (int secs = 0; secs < nbpoints; ++secs) {
        for (int i = 0; i < 36; ++i) {
            if (secs >= i*nbpoints2 && secs< (i+1)*nbpoints2) {
                plotedWattsArray[i][secs-i*nbpoints2] = plotedWatts[secs-i];
                plotedHrArray[i][secs-i*nbpoints2]    = plotedHr[secs-i];
            }
        }
    }

    for (int i = 0; i < 36; ++i) {

        if (nbpoints-i*nbpoints2>0) {

            hrCurves[i]->setSamples(plotedWattsArray[i], plotedHrArray[i], (nbpoints-i*nbpoints2<nbpoints2?nbpoints-i*nbpoints2:nbpoints2));
            hrCurves[i]->setVisible(true);

        } else hrCurves[i]->setVisible(false);
    }

    // Clean up memory
    for (int i = 0; i < 36; ++i) {
        delete plotedWattsArray[i];
        delete plotedHrArray[i];
    }       

    setAxisScale(xBottom, 0.0, maxWatt);

    setYMax();
    refreshZoneLabels();

    QString labelp;

    labelp.setNum(rslope, 'f', 3);
    QString labelo;
    labelo.setNum(rintercept, 'f', 1);

    QString labelr;
    labelr.setNum(maxr, 'f', 3);
    QString labeldelay;
    labeldelay.setNum(delay);

    int power150 =  (int)floor((150-rintercept)/rslope);
    QString labelpower150;
    labelpower150.setNum(power150);

    QwtText textr = QwtText(labelp+"*x+"+labelo+" : R "+labelr+" ("+labeldelay+") \n Power@150:"+labelpower150+"W");
    textr.setFont(QFont("Helvetica", 10, QFont::Bold));
    textr.setColor(GColor(CPLOTMARKER));

    r_mrk1->setValue(0,0);
    r_mrk1->setLineStyle(QwtPlotMarker::VLine);
    r_mrk1->setLabelAlignment(Qt::AlignRight | Qt::AlignBottom);
    r_mrk1->setLinePen(QPen(GColor(CPLOTMARKER), 0, Qt::DashDotLine));
    double averagewatt = hrPwWindow->average(clipWatts, clipWatts.size());
    r_mrk1->setValue(averagewatt, 0.0);
    r_mrk1->setLabel(textr);

    r_mrk2->setValue(0,0);
    r_mrk2->setLineStyle(QwtPlotMarker::HLine);
    r_mrk2->setLabelAlignment(Qt::AlignRight | Qt::AlignTop);
    r_mrk2->setLinePen(QPen(GColor(CPLOTMARKER), 0, Qt::DashDotLine));
    double averagehr = hrPwWindow->average(clipHr,  clipHr.size());
    r_mrk2->setValue(0.0,averagehr);

    addWattStepCurve(clipWatts, clipWatts.size());
    addHrStepCurve(clipHr, clipHr.size());

    addRegLinCurve(rslope, rintercept);

    setJoinLine(joinLine);
    replot();
}