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C++ QwtPlot::autoReplot方法代码示例

本文整理汇总了C++中QwtPlot::autoReplot方法的典型用法代码示例。如果您正苦于以下问题：C++ QwtPlot::autoReplot方法的具体用法？C++ QwtPlot::autoReplot怎么用？C++ QwtPlot::autoReplot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::autoReplot方法的9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: rescale

void QwtPlotZoomer::rescale()
{
    QwtPlot *plt = plot();
    if ( !plt )
        return;

    const QRectF &rect = d_data->zoomStack[d_data->zoomRectIndex];
    if ( rect != scaleRect() )
    {
        const bool doReplot = plt->autoReplot();
        plt->setAutoReplot( false );

        double x1 = rect.left();
        double x2 = rect.right();
        if ( !plt->axisScaleDiv( xAxis() ).isIncreasing() )
            qSwap( x1, x2 );

        plt->setAxisScale( xAxis(), x1, x2 );

        double y1 = rect.top();
        double y2 = rect.bottom();
        if ( !plt->axisScaleDiv( yAxis() ).isIncreasing() )
            qSwap( y1, y2 );

        plt->setAxisScale( yAxis(), y1, y2 );

        plt->setAutoReplot( doReplot );

        plt->replot();
    }
}
开发者ID:facontidavide，项目名称:PlotJuggler，代码行数:31，代码来源:qwt_plot_zoomer.cpp

示例2: rescale

/*! 
   Zoom in/out the axes scales
   \param factor A value < 1.0 zooms in, a value > 1.0 zooms out.
*/
void QwtPlotMagnifier::rescale(double factor)
{
    factor = qwtAbs(factor);
    if ( factor == 1.0 || factor == 0.0 )
        return;

    bool doReplot = false;
    QwtPlot* plt = plot();

    const bool autoReplot = plt->autoReplot();
    plt->setAutoReplot(false);

    for ( int axisId = 0; axisId < QwtPlot::axisCnt; axisId++ )
    {
        const QwtScaleDiv *scaleDiv = plt->axisScaleDiv(axisId);
        if ( isAxisEnabled(axisId) && scaleDiv->isValid() )
        {
            const double center =
                scaleDiv->lowerBound() + scaleDiv->range() / 2;
            const double width_2 = scaleDiv->range() / 2 * factor;

            plt->setAxisScale(axisId, center - width_2, center + width_2);
            doReplot = true;
        }
    }

    plt->setAutoReplot(autoReplot);

    if ( doReplot )
        plt->replot();
}
开发者ID:AlexKraemer，项目名称:RFID_ME_HW_GUI，代码行数:35，代码来源:qwt_plot_magnifier.cpp

示例3: updateScales

/*!
   Update the axes scales

   \param intervals Scale intervals
*/
void QwtPlotRescaler::updateScales(
    QwtInterval intervals[QwtPlot::axisCnt] ) const
{
    if ( d_data->inReplot >= 5 )
    {
        return;
    }

    QwtPlot *plt = const_cast<QwtPlot *>( plot() );

    const bool doReplot = plt->autoReplot();
    plt->setAutoReplot( false );

    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
    {
        if ( axis == referenceAxis() || aspectRatio( axis ) > 0.0 )
        {
            double v1 = intervals[axis].minValue();
            double v2 = intervals[axis].maxValue();

            if ( plt->axisScaleDiv( axis )->lowerBound() >
                plt->axisScaleDiv( axis )->upperBound() )
            {
                qSwap( v1, v2 );
            }

            if ( d_data->inReplot >= 1 )
            {
                d_data->axisData[axis].scaleDiv = *plt->axisScaleDiv( axis );
            }

            if ( d_data->inReplot >= 2 )
            {
                QList<double> ticks[QwtScaleDiv::NTickTypes];
                for ( int i = 0; i < QwtScaleDiv::NTickTypes; i++ )
                    ticks[i] = d_data->axisData[axis].scaleDiv.ticks( i );

                plt->setAxisScaleDiv( axis, QwtScaleDiv( v1, v2, ticks ) );
            }
            else
            {
                plt->setAxisScale( axis, v1, v2 );
            }
        }
    }

    const bool immediatePaint = 
        plt->canvas()->testPaintAttribute( QwtPlotCanvas::ImmediatePaint );
    plt->canvas()->setPaintAttribute( QwtPlotCanvas::ImmediatePaint, false );

    plt->setAutoReplot( doReplot );

    d_data->inReplot++;
    plt->replot();
    d_data->inReplot--;

    plt->canvas()->setPaintAttribute( 
        QwtPlotCanvas::ImmediatePaint, immediatePaint );
}
开发者ID:Alex-Rongzhen-Huang，项目名称:OpenPilot，代码行数:64，代码来源:qwt_plot_rescaler.cpp

示例4: updateScales

/*!
   Update the axes scales 

   \param intervals Scale intervals
*/
void QwtPlotRescaler::updateScales(
    QwtDoubleInterval intervals[QwtPlot::axisCnt]) const
{
    if ( d_data->inReplot >= 5 )
    {
        return;
    }

    QwtPlot *plt = (QwtPlot *)plot();

    const bool doReplot = plt->autoReplot();
    plt->setAutoReplot(false);

    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
    {
        if ( axis == referenceAxis() || aspectRatio(axis) > 0.0 )
        {
            double v1 = intervals[axis].minValue();
            double v2 = intervals[axis].maxValue();

            if ( plt->axisScaleDiv(axis)->lowerBound() >
                plt->axisScaleDiv(axis)->upperBound() )
            {
                qSwap(v1, v2);
            }

            if ( d_data->inReplot >= 1 )
            {
                d_data->axisData[axis].scaleDiv = *plt->axisScaleDiv(axis);
            }

            if ( d_data->inReplot >= 2 )
            {
                QwtValueList ticks[QwtScaleDiv::NTickTypes];
                for ( int i = 0; i < QwtScaleDiv::NTickTypes; i++ )
                    ticks[i] = d_data->axisData[axis].scaleDiv.ticks(i);

                plt->setAxisScaleDiv(axis, QwtScaleDiv(v1, v2, ticks));
            }
            else
            {
                plt->setAxisScale(axis, v1, v2);
            }
        }
    }

    plt->setAutoReplot(doReplot);

    d_data->inReplot++;
    plt->replot();
    d_data->inReplot--;
}
开发者ID:AlexKraemer，项目名称:RFID_ME_HW_GUI，代码行数:57，代码来源:qwt_plot_rescaler.cpp

示例5: moveCanvas

/*!
   Adjust the enabled axes according to dx/dy

   \param dx Pixel offset in x direction
   \param dy Pixel offset in y direction

   \sa QwtPanner::panned()
*/
void QwtPlotPanner::moveCanvas( int dx, int dy )
{
    if ( dx == 0 && dy == 0 )
        return;

    QwtPlot *plot = this->plot();
    if ( plot == NULL )
        return;

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

    for ( int axisPos = 0; axisPos < QwtAxis::PosCount; axisPos++ )
    {
        const int axesCount = plot->axesCount( axisPos );
        for ( int i = 0; i < axesCount; i++ )
        {
            const QwtAxisId axisId( axisPos, i );

            if ( !isAxisEnabled( axisId ) )
                continue;

            const QwtScaleMap map = plot->canvasMap( axisId );

            const double p1 = map.transform( plot->axisScaleDiv( axisId ).lowerBound() );
            const double p2 = map.transform( plot->axisScaleDiv( axisId ).upperBound() );

            double d1, d2;
            if ( QwtAxis::isXAxis( axisPos ) )
            {
                d1 = map.invTransform( p1 - dx );
                d2 = map.invTransform( p2 - dx );
            }
            else
            {
                d1 = map.invTransform( p1 - dy );
                d2 = map.invTransform( p2 - dy );
            }

            plot->setAxisScale( axisId, d1, d2 );
        }
    }

    plot->setAutoReplot( doAutoReplot );
    plot->replot();
}
开发者ID:27sparks，项目名称:GoldenCheetah，代码行数:54，代码来源:qwt_plot_panner.cpp

示例6: drawContents

/*!
  Redraw the canvas, and focus rect
  \param painter Painter
*/
void QwtPlotCanvas::drawContents( QPainter *painter )
{
    if ( d_data->paintAttributes & PaintCached && d_data->cache
        && d_data->cache->size() == contentsRect().size() )
    {
        painter->drawPixmap( contentsRect().topLeft(), *d_data->cache );
    }
    else
    {
        QwtPlot *plot = ( ( QwtPlot * )parent() );
        const bool doAutoReplot = plot->autoReplot();
        plot->setAutoReplot( false );

        drawCanvas( painter );

        plot->setAutoReplot( doAutoReplot );
    }

    if ( hasFocus() && focusIndicator() == CanvasFocusIndicator )
        drawFocusIndicator( painter );
}
开发者ID:PrincetonPAVE，项目名称:old_igvc，代码行数:25，代码来源:qwt_plot_canvas.cpp

示例7: moveCanvas

/*!
   Adjust the enabled axes according to dx/dy

   \param dx Pixel offset in x direction
   \param dy Pixel offset in y direction

   \sa QwtPanner::panned()
*/
void QwtPlotPanner::moveCanvas(int dx, int dy)
{
    if ( dx == 0 && dy == 0 )
        return;

    QwtPlot *plot = QwtPlotPanner::plot();
    if ( plot == NULL )
        return;
    
    const bool doAutoReplot = plot->autoReplot();
    plot->setAutoReplot(false);

    for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
    {
        if ( !d_data->isAxisEnabled[axis] )
            continue;

        const QwtScaleMap map = plot->canvasMap(axis);

        const int i1 = map.transform(plot->axisScaleDiv(axis)->lowerBound());
        const int i2 = map.transform(plot->axisScaleDiv(axis)->upperBound());

        double d1, d2;
        if ( axis == QwtPlot::xBottom || axis == QwtPlot::xTop )
        {
            d1 = map.invTransform(i1 - dx);
            d2 = map.invTransform(i2 - dx);
        }
        else
        {
            d1 = map.invTransform(i1 - dy);
            d2 = map.invTransform(i2 - dy);
        }

        plot->setAxisScale(axis, d1, d2);
    }

    plot->setAutoReplot(doAutoReplot);
    plot->replot();
}
开发者ID:BijanZarif，项目名称:coolfluid3，代码行数:48，代码来源:qwt_plot_panner.cpp

示例8: rescale

//! Adjust the plot axes scales
void QwtPlotRescaler::rescale() const
{
#if 0
    const int axis = referenceAxis();
    if ( axis < 0 || axis >= QwtPlot::axisCnt )
        return;

    const QwtDoubleInterval hint = intervalHint(axis);
    if ( !hint.isNull() )
    {
        QwtPlot *plt = (QwtPlot *)plot();

        const bool doReplot = plt->autoReplot();
        plt->setAutoReplot(false);
        plt->setAxisScale(axis, hint.minValue(), hint.maxValue());
        plt->setAutoReplot(doReplot);
        plt->updateAxes();
    }
#endif

    const QSize size = canvas()->contentsRect().size();
    rescale(size, size);
}
开发者ID:AlexKraemer，项目名称:RFID_ME_HW_GUI，代码行数:24，代码来源:qwt_plot_rescaler.cpp

示例9: rescale

void PlotMagnifier::rescale( double factor, AxisMode axis )
{
    factor = qAbs( 1.0/factor );

    QwtPlot* plt = plot();
    if ( plt == nullptr || factor == 1.0 ){
        return;
    }

    bool doReplot = false;

    const bool autoReplot = plt->autoReplot();
    plt->setAutoReplot( false );

    const int axis_list[2] = {QwtPlot::xBottom, QwtPlot::yLeft};
    QRectF new_rect;

    for ( int i = 0; i <2; i++ )
    {
        double temp_factor = factor;
        if( i==1 && axis == X_AXIS)
        {
            temp_factor = 1.0;
        }
        if( i==0 && axis == Y_AXIS)
        {
            temp_factor = 1.0;
        }

        int axisId = axis_list[i];

        if ( isAxisEnabled( axisId ) )
        {
            const QwtScaleMap scaleMap = plt->canvasMap( axisId );

            double v1 = scaleMap.s1();
            double v2 = scaleMap.s2();
            double center = _mouse_position.x();

            if( axisId == QwtPlot::yLeft){
                center = _mouse_position.y();
            }

            if ( scaleMap.transformation() )
            {
                // the coordinate system of the paint device is always linear
                v1 = scaleMap.transform( v1 ); // scaleMap.p1()
                v2 = scaleMap.transform( v2 ); // scaleMap.p2()
            }

            const double width = ( v2 - v1 );
            const double ratio = (v2-center)/ (width);

            v1 = center - width*temp_factor*(1-ratio);
            v2 = center + width*temp_factor*(ratio);

            if( v1 > v2 ) std::swap( v1, v2 );

            if ( scaleMap.transformation() )
            {
                v1 = scaleMap.invTransform( v1 );
                v2 = scaleMap.invTransform( v2 );
            }

            if( v1 < _lower_bounds[axisId]) v1 = _lower_bounds[axisId];
            if( v2 > _upper_bounds[axisId]) v2 = _upper_bounds[axisId];

            plt->setAxisScale( axisId, v1, v2 );

            if( axisId == QwtPlot::xBottom)
            {
                new_rect.setLeft(  v1 );
                new_rect.setRight( v2 );
            }
            else{
                new_rect.setBottom( v1 );
                new_rect.setTop( v2 );
            }

            doReplot = true;
        }
    }

    plt->setAutoReplot( autoReplot );

    if ( doReplot ){
        emit rescaled( new_rect );
    }
}
开发者ID:facontidavide，项目名称:PlotJuggler，代码行数:89，代码来源:plotmagnifier.cpp


注：本文中的QwtPlot::autoReplot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。