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C++ QwtPlot::resize方法代码示例

本文整理汇总了C++中QwtPlot::resize方法的典型用法代码示例。如果您正苦于以下问题：C++ QwtPlot::resize方法的具体用法？C++ QwtPlot::resize怎么用？C++ QwtPlot::resize使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QwtPlot的用法示例。


在下文中一共展示了QwtPlot::resize方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: main

int main(int argc, char **argv)
{
    QApplication app(argc, argv);

    QwtPlot plot;
    plot.setCanvasBackground(QColor(Qt::white));
    plot.setTitle("Bar Chart");

	QwtPlotGrid *grid = new QwtPlotGrid;
	grid->enableX(false);
	grid->enableYMin(true);
	grid->setMajPen(QPen(Qt::black, 0, Qt::DotLine));
	grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
	grid->attach(&plot);

	BarChartItem *item = new BarChartItem();
	item->attach(&plot);
	QList< QPair<int, QString> > barHeights;
	barHeights.append(QPair<int, QString>(10, ""));
	barHeights.append(QPair<int, QString>(100, ""));
	barHeights.append(QPair<int, QString>(20, ""));
	item->setData(barHeights);

	plot.enableAxis(QwtPlot::xBottom, false);

	plot.resize(600, 400);
	plot.show();

	return app.exec();
}
开发者ID:greghaynes，项目名称:QwtBarchartItem，代码行数:30，代码来源:main.cpp

示例2: main

int main(int argc, char *argv[])
{
	/*const int L = 10; 
	fftw_complex *in; 
	fftw_complex *out;
	gsl_sf_bessel_k0_scaled(0.684684);
	fftw_plan p;

	in = (fftw_complex*) fftw_malloc(sizeof(fftw_complex)*L);
	out = (fftw_complex*) fftw_malloc(sizeof(fftw_complex)*L);
	p = fftw_plan_dft_1d(L, in, out,FFTW_FORWARD,FFTW_MEASURE); 

	fftw_execute(p);
	fftw_destroy_plan(p);
	fftw_free(in);
	fftw_free(out);
	 
	QApplication a(argc, argv);
	Ekg w;
	w.show();
	qDebug() << "sdfsdfsd";
	std::cout << "ALKO PROJEKT CPP CHLOSTA!";			
	
	return a.exec();*/

	    QApplication a( argc, argv );
 
    QwtPlot plot;
    plot.setTitle( "Plot Demo" );
    plot.setCanvasBackground( Qt::white );
    plot.setAxisScale( QwtPlot::yLeft, 0.0, 10.0 );
    plot.insertLegend( new QwtLegend() );
 
    QwtPlotGrid *grid = new QwtPlotGrid();
    grid->attach( &plot );
 
    QwtPlotCurve *curve = new QwtPlotCurve();
    curve->setTitle( "Some Points" );
    curve->setPen( Qt::blue, 4 ),
    curve->setRenderHint( QwtPlotItem::RenderAntialiased, true );
 
    QwtSymbol *symbol = new QwtSymbol( QwtSymbol::Ellipse,
        QBrush( Qt::yellow ), QPen( Qt::red, 2 ), QSize( 8, 8 ) );
    curve->setSymbol( symbol );
 
    QPolygonF points;
    points << QPointF( 0.0, 4.4 ) << QPointF( 1.0, 3.0 )
        << QPointF( 2.0, 4.5 ) << QPointF( 3.0, 6.8 )
        << QPointF( 4.0, 7.9 ) << QPointF( 5.0, 7.1 );
    curve->setSamples( points );
 
    curve->attach( &plot );
  
    plot.resize( 600, 400 );
    plot.show(); 
  
    return a.exec();
}
开发者ID:BiomedEKG，项目名称:ecg_holter，代码行数:58，代码来源:main.cpp

示例3: main

int main(int argc, char **argv)
{
    QApplication a(argc, argv);

    QwtPlot plot;
    plot.setCanvasBackground(QColor(Qt::white));
    plot.setTitle("Histogram");

    QwtPlotGrid *grid = new QwtPlotGrid;
    grid->enableXMin(true);
    grid->enableYMin(true);
    grid->setMajPen(QPen(Qt::black, 0, Qt::DotLine));
    grid->setMinPen(QPen(Qt::gray, 0 , Qt::DotLine));
    grid->attach(&plot);

    HistogramItem *histogram = new HistogramItem();
    histogram->setColor(Qt::darkCyan);

    const int numValues = 20;

    QwtArray<QwtDoubleInterval> intervals(numValues);
    QwtArray<double> values(numValues);

    double pos = 0.0;
    for ( int i = 0; i < (int)intervals.size(); i++ )
    {
        const int width = 5 + rand() % 15;
        const int value = rand() % 100;

        intervals[i] = QwtDoubleInterval(pos, pos + double(width));
        values[i] = value; 

        pos += width;
    }

    histogram->setData(QwtIntervalData(intervals, values));
    histogram->attach(&plot);

    plot.setAxisScale(QwtPlot::yLeft, 0.0, 100.0);
    plot.setAxisScale(QwtPlot::xBottom, 0.0, pos);
    plot.replot();

#if QT_VERSION < 0x040000
    a.setMainWidget(&plot);
#endif

    plot.resize(600,400);
    plot.show();

    return a.exec(); 
}
开发者ID:BackupTheBerlios，项目名称:liveplayer0-svn，代码行数:51，代码来源:main.cpp

示例4: main

int main( int argc, char **argv )
{
  //using HistogramItem = QwtPlotItem;
  using HistogramItem = QwtPlotHistogram;
  //using QwtIntervalData = QwtSeriesData<QwtIntervalSample>;

  QApplication a(argc, argv);
  QwtPlot plot;
  plot.setCanvasBackground(QColor(Qt::white));
  plot.setTitle("Histogram");
  QwtPlotGrid *grid = new QwtPlotGrid;
  grid->enableXMin(true);
  grid->enableYMin(true);

  grid->setMajorPen(QPen(Qt::black, 0, Qt::DotLine));
  grid->setMinorPen(QPen(Qt::gray, 0 , Qt::DotLine));
  grid->attach(&plot);
  HistogramItem *histogram = new HistogramItem;
  //histogram->setColor(Qt::darkCyan);
  const int numValues = 20;
  //QwtArray<QwtDoubleInterval> intervals(numValues);
  QwtArray<QwtIntervalSample> intervals(numValues);
  QwtArray<double> values(numValues);
  double pos = 0.0;
  for ( int i = 0; i < (int)intervals.size(); i++ )
  {
    //const int width = 5 + rand() % 15;
    const int value = rand() % 100;
    //intervals[i] = QwtDoubleInterval(pos, pos + double(width));
    intervals[i] = QwtIntervalSample(value, pos, pos + double(width));
    //values[i] = value;
    pos += width;
  }

  //histogram->setData(QwtIntervalData(intervals, values));
  histogram->setSamples(intervals);
  //histogram->setSamples(QwtIntervalData(intervals, values));
  //QwtIntervalData d;
  //histogram->setData(d);
  histogram->attach(&plot);
  plot.setAxisScale(QwtPlot::yLeft, 0.0, 100.0);
  plot.setAxisScale(QwtPlot::xBottom, 0.0, pos);
  plot.replot();
  plot.resize(600,400);
  plot.show();
  return a.exec();
}
开发者ID:richelbilderbeek，项目名称:CppTests，代码行数:47，代码来源:main.cpp

示例5: main

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    string videoName = "static";
//
//*** Pixel variation error

//  original video pixel variation (RMSE) reading
    tic();
    vector<double> RMSEO,framesO;
    double avrRMSEO;
    if(readPixelRMSE("/home/maelle/Desktop/Samples/Static/"+videoName+"/"+videoName+".avi",RMSEO,framesO,avrRMSEO)>0) return -1;
    toc();

//  fusion stabilized video pixel variation (RMSE) reading
    tic();
    vector<double> RMSEF,framesF;
    double avrRMSEF;
    if(readPixelRMSE("/home/maelle/Desktop/Samples/Static/"+videoName+"/"+videoName+"_stable_F.avi",RMSEF,framesF,avrRMSEF)>0) return -1;
    toc();

//  video processing stabilized video pixel variation (RMSE) reading
    tic();
    vector<double> RMSEV,framesV;
    double avrRMSEV;
    if(readPixelRMSE("/home/maelle/Desktop/Samples/Static/"+videoName+"/"+videoName+"_stable_VP.avi",RMSEV,framesV,avrRMSEV)>0) return -1;
    toc();
//  second round fusion stabilized video pixel variation (RMSE) reading
    tic();
    vector<double> RMSEF2,framesF2;
    double avrRMSEF2;
    if(readPixelRMSE("/home/maelle/Desktop/Samples/Static/"+videoName+"/"+videoName+"_stable2_F.avi",RMSEF2,framesF2,avrRMSEF2)>0) return -1;
    toc();

//  second round video processing stabilized video pixel variation (RMSE) reading
    tic();
    vector<double> RMSEV2,framesV2;
    double avrRMSEV2;
    if(readPixelRMSE("/home/maelle/Desktop/Samples/Static/"+videoName+"/"+videoName+"_stable2_VP.avi",RMSEV2,framesV2,avrRMSEV2)>0) return -1;
    toc();

//  plot first round
    QwtPlot plotRMSE;
    plotRMSE.setTitle("Root Mean Squared pixel variation per frame");
    plotRMSE.setCanvasBackground(Qt::white);
    plotRMSE.insertLegend(new QwtLegend());
    plotRMSE.setAxisTitle(QwtPlot::yLeft,"RMSE (px)");
    plotRMSE.setAxisTitle(QwtPlot::xBottom,"Frame");
    QwtPlotMarker *mAO=new QwtPlotMarker();
    mAO->setLinePen(QPen(Qt::darkBlue));
    mAO->setLineStyle(QwtPlotMarker::HLine);
    mAO->setValue(0,avrRMSEO);
    mAO->attach(&plotRMSE);
    QwtPlotMarker *mAF=new QwtPlotMarker();
    mAF->setLinePen(QPen(Qt::darkRed));
    mAF->setLineStyle(QwtPlotMarker::HLine);
    mAF->setValue(0,avrRMSEF);
    mAF->attach(&plotRMSE);
    QwtPlotMarker *mAV=new QwtPlotMarker();
    mAV->setLinePen(QPen(Qt::darkGreen));
    mAV->setLineStyle(QwtPlotMarker::HLine);
    mAV->setValue(0,avrRMSEV);
    mAV->attach(&plotRMSE);
    QwtPlotCurve *curveRMSEO = new QwtPlotCurve();
    curveRMSEO->setTitle("Original");
    curveRMSEO->setPen(Qt::blue,2);
    curveRMSEO->setRenderHint(QwtPlotItem::RenderAntialiased,true);
    curveRMSEO->setRawSamples(framesO.data(),RMSEO.data(),framesO.size());
    curveRMSEO->attach(&plotRMSE);
    QwtPlotCurve *curveRMSEF = new QwtPlotCurve();
    curveRMSEF->setTitle("Fusion stabilized");
    curveRMSEF->setPen(Qt::red,2);
    curveRMSEF->setRenderHint(QwtPlotItem::RenderAntialiased,true);
    curveRMSEF->setRawSamples(framesF.data(),RMSEF.data(),framesF.size());
    curveRMSEF->attach(&plotRMSE);
    QwtPlotCurve *curveRMSEV = new QwtPlotCurve();
    curveRMSEV->setTitle("Video Processing stabilized");
    curveRMSEV->setPen(Qt::green,2);
    curveRMSEV->setRenderHint(QwtPlotItem::RenderAntialiased,true);
    curveRMSEV->setRawSamples(framesV.data(),RMSEV.data(),framesV.size());
    curveRMSEV->attach(&plotRMSE);
    plotRMSE.resize(600,400);
    plotRMSE.show();

//  plot second round
    QwtPlot plotRMSE2;
    plotRMSE2.setTitle("Root Mean Squared pixel variation per frame (second round)");
    plotRMSE2.setCanvasBackground(Qt::white);
    plotRMSE2.insertLegend(new QwtLegend());
    plotRMSE2.setAxisTitle(QwtPlot::yLeft,"RMSE (px)");
    plotRMSE2.setAxisTitle(QwtPlot::xBottom,"Frame");
    QwtPlotMarker *mAO2=new QwtPlotMarker();
    mAO2->setLinePen(QPen(Qt::darkBlue));
    mAO2->setLineStyle(QwtPlotMarker::HLine);
    mAO2->setValue(0,avrRMSEO);
    mAO2->attach(&plotRMSE2);
    QwtPlotMarker *mAOF=new QwtPlotMarker();
    mAOF->setLinePen(QPen(Qt::darkCyan));
    mAOF->setLineStyle(QwtPlotMarker::HLine);
//.........这里部分代码省略.........
开发者ID:superchao1982，项目名称:MasterProject，代码行数:101，代码来源:main.cpp

示例6: paint

	void PlotItem::paint (QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget*)
	{
		const auto& rect = option->rect;
#else
	void PlotItem::paint (QPainter *painter)
	{
		const auto& rect = contentsBoundingRect ().toRect ();
#endif

		QwtPlot plot;
		plot.setFrameShape (QFrame::NoFrame);
		plot.enableAxis (QwtPlot::yLeft, LeftAxisEnabled_);
		plot.enableAxis (QwtPlot::xBottom, BottomAxisEnabled_);
		plot.setAxisTitle (QwtPlot::yLeft, LeftAxisTitle_);
		plot.setAxisTitle (QwtPlot::xBottom, BottomAxisTitle_);
		plot.resize (rect.size ());

		auto setPaletteColor = [&plot] (const QColor& color, QPalette::ColorRole role) -> void
		{
			if (!color.isValid ())
				return;

			auto pal = plot.palette ();
			pal.setColor (role, { color });
			plot.setPalette (pal);
		};

		setPaletteColor (BackgroundColor_, QPalette::Window);
		setPaletteColor (TextColor_, QPalette::WindowText);
		setPaletteColor (TextColor_, QPalette::Text);

		if (!PlotTitle_.isEmpty ())
			plot.setTitle (QwtText { PlotTitle_ });

		if (MinYValue_ < MaxYValue_)
		{
			plot.setAxisAutoScale (QwtPlot::yLeft, false);
			plot.setAxisScale (QwtPlot::yLeft, MinYValue_, MaxYValue_);
		}
		plot.setAutoFillBackground (false);
		plot.setCanvasBackground (Qt::transparent);

		if (YGridEnabled_)
		{
			auto grid = new QwtPlotGrid;
			grid->enableYMin (YMinorGridEnabled_);
			grid->enableX (false);
#if QWT_VERSION >= 0x060100
			grid->setMajorPen (QPen (GridLinesColor_, 1, Qt::SolidLine));
			grid->setMinorPen (QPen (GridLinesColor_, 1, Qt::DashLine));
#else
			grid->setMajPen (QPen (GridLinesColor_, 1, Qt::SolidLine));
			grid->setMinPen (QPen (GridLinesColor_, 1, Qt::DashLine));
#endif
			grid->attach (&plot);
		}

		auto items = Multipoints_;
		if (items.isEmpty ())
			items.push_back ({ Color_, Points_ });

		if (MinXValue_ < MaxXValue_)
			plot.setAxisScale (QwtPlot::xBottom, MinXValue_, MaxXValue_);
		else if (const auto ptsCount = items.first ().Points_.size ())
			plot.setAxisScale (QwtPlot::xBottom, 0, ptsCount - 1);

		std::vector<std::unique_ptr<QwtPlotCurve>> curves;
		for (const auto& item : items)
		{
			curves.emplace_back (new QwtPlotCurve);
			const auto curve = curves.back ().get ();

			curve->setPen (QPen (item.Color_));
			auto transpColor = item.Color_;
			transpColor.setAlphaF (Alpha_);
			curve->setBrush (transpColor);

			curve->setRenderHint (QwtPlotItem::RenderAntialiased);
			curve->attach (&plot);

			curve->setSamples (item.Points_.toVector ());
		}

		plot.replot ();

		QwtPlotRenderer {}.render (&plot, painter, rect);

		const auto xExtent = CalcXExtent (plot);
		const auto yExtent = CalcYExtent (plot);
		if (xExtent != XExtent_ || yExtent != YExtent_)
		{
			XExtent_ = xExtent;
			YExtent_ = yExtent;
			emit extentsChanged ();
		}
	}
开发者ID:tehnick，项目名称:leechcraft，代码行数:96，代码来源:plotitem.cpp

示例7: main

int main( int argc, char **argv )
{
    QApplication a( argc, argv );

    QwtPlot plot;
    plot.setTitle( "Plot Demo" );
    plot.setCanvasBackground( Qt::white );

    plot.setAxisScale( QwtPlot::xBottom, -1.0, 6.0 );

    QwtLegend *legend = new QwtLegend();
    legend->setDefaultItemMode( QwtLegendData::Checkable );
    plot.insertLegend( legend );

    for ( int i = 0; i < 4; i++ )
    {
        QwtPlotCurve *curve = new QwtPlotCurve();
        curve->setRenderHint( QwtPlotItem::RenderAntialiased, true );
        curve->setPen( Qt::blue );

        QBrush brush;
        QwtSymbol::Style style = QwtSymbol::NoSymbol;
        QString title;
        if ( i == 0 )
        {
            brush = Qt::magenta;
            style = QwtSymbol::Path;
            title = "Path";
        }
        else if ( i == 2 )
        {
            brush = Qt::red;
            style = QwtSymbol::Graphic;
            title = "Graphic";
        }
        else if ( i == 1 )
        {
            brush = Qt::yellow;
            style = QwtSymbol::SvgDocument;
            title = "Svg";
        }
        else if ( i == 3 )
        {
            brush = Qt::cyan;
            style = QwtSymbol::Pixmap;
            title = "Pixmap";
        }

        MySymbol *symbol = new MySymbol( style, brush );

        curve->setSymbol( symbol );
        curve->setTitle( title );
        curve->setLegendAttribute( QwtPlotCurve::LegendShowSymbol, true );
        curve->setLegendIconSize( QSize( 15, 18 ) );

        QPolygonF points;
        points << QPointF( 0.0, 4.4 ) << QPointF( 1.0, 3.0 )
            << QPointF( 2.0, 4.5 ) << QPointF( 3.0, 6.8 )
            << QPointF( 4.0, 7.9 ) << QPointF( 5.0, 7.1 );

        points.translate( 0.0, i * 2.0 );

        curve->setSamples( points );
        curve->attach( &plot );
    }

    plot.resize( 600, 400 );
    plot.show();

    return a.exec();
}
开发者ID:iclosure，项目名称:jdataanalyse，代码行数:71，代码来源:symbols.cpp


注：本文中的QwtPlot::resize方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。