Method drawItems

3rdparty/qwt/src/qwt_plot.cpp:764–792

 */

void QwtPlot::drawItems( QPainter* painter, const QRectF& canvasRect,
    const QwtScaleMap maps[ QwtAxis::AxisPositions ] ) const
{
    const QwtPlotItemList& itmList = itemList();
    for ( QwtPlotItemIterator it = itmList.begin();
        it != itmList.end(); ++it )
    {
        QwtPlotItem* item = *it;
        if ( item && item->isVisible() )
        {
            const QwtAxisId xAxis = item->xAxis();
            const QwtAxisId yAxis = item->yAxis();

            painter->save();

            painter->setRenderHint( QPainter::Antialiasing,
                item->testRenderHint( QwtPlotItem::RenderAntialiased ) );

#if QT_VERSION < 0x050100
            painter->setRenderHint( QPainter::HighQualityAntialiasing,
                item->testRenderHint( QwtPlotItem::RenderAntialiased ) );
#endif

            item->draw( painter, maps[xAxis], maps[yAxis], canvasRect );

            painter->restore();
        }
    }
}

/*!
   \param axisId Axis