C++ NCreport（2.20.3）QGraphics视图尺寸调整 我通过NCREPORT（2.20.3）显示我的QCARTVIEW（QT C造作5.8），但不幸的是，这个大小看起来很小，不可调整，虽然我已经尽我所能去研究它，但是仍然与它的编码混淆，我对这个Q

NCreport（2.20.3）QGraphics视图尺寸调整

我通过NCREPORT（2.20.3）显示我的QCARTVIEW（QT C造作5.8），但不幸的是，这个大小看起来很小，不可调整，虽然我已经尽我所能去研究它，但是仍然与它的编码混淆，我对这个QtC造造化C++编程很新。任何人都可以为我提供链接，如果可能的话，如何有效地理解C++编程语言的基础，下面是我的代码和输出供大家参考。感谢您提供有关解决此问题的任何相关链接或代码

NCReport * report = new NCReport();
Graph *graph = new Graph();
report->reset(true);

//pie display
QPieSeries *series = new QPieSeries();
series->append("Jane", 1);
series->append("Joe", 2);
series->append("Andy", 3);
series->append("Barbara", 4);
series->append("Axel", 5);

QChart *chart = new QChart();
chart->addSeries(series);

QChartView *chartView = new QChartView(chart);

chartView->setRenderHint(QPainter::Antialiasing);

//chart display
QLineSeries* lineseries1 = new QLineSeries();
    lineseries1->setName("my Trend Line");
    lineseries1->append(0, 6);
    lineseries1->append(2, 4);
    lineseries1->append(3, 8);
    lineseries1->append(7, 4);
    lineseries1->append(10, 5);
    *lineseries1 << QPointF(11, 1) << QPointF(13, 3) << QPointF(17, 6) << QPointF(18, 3) << QPointF(20, 2);

//bar chart series
QBarSet *set0 = new QBarSet("Jane");
QBarSet *set1 = new QBarSet("John");
QBarSet *set2 = new QBarSet("Axel");
QBarSet *set3 = new QBarSet("Mary");
QBarSet *set4 = new QBarSet("Sam");

   *set0 << 1 << 2 << 3 << 4 << 5 << 6;
   *set1 << 5 << 0 << 0 << 4 << 0 << 7;
   *set2 << 3 << 5 << 8 << 13 << 8 << 5;
   *set3 << 5 << 6 << 7 << 3 << 4 << 5;
   *set4 << 9 << 7 << 5 << 3 << 1 << 2;

QBarSeries *barseries =  new QBarSeries();
   barseries->append(set0);
   barseries->append(set1);
   barseries->append(set2);
   barseries->append(set3);
   barseries->append(set4);

QChart *chart1 = new QChart();
    //chart1->legend()->show();
    chart1->addSeries(lineseries1);
    chart1->addSeries(barseries);
    chart1->createDefaultAxes();
    chart1->setTitle("Simple line and bar chart example");

//set the axes
QStringList categories;
  categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun" ;

QBarCategoryAxis *axisX = new QBarCategoryAxis();
  axisX->append(categories);
  chart1->setAxisX(axisX,lineseries1);
  chart1->setAxisX(axisX,barseries);
  axisX->setRange(QString("Jan"), QString("Jun"));

QValueAxis *axisY = new QValueAxis();
  chart1->setAxisY(axisY,lineseries1);
  chart1->setAxisY(axisY,barseries);
  axisY->setRange(0,11);
  chart1->legend()->setVisible(true);
  chart1->legend()->setAlignment(Qt::AlignBottom);

QChartView *chartView1 = new QChartView(chart1);
   chartView1->setRenderHint(QPainter::Antialiasing);

   report->reportDef()->addGraphicsView("pie01", chartView );
   report->reportDef()->addGraphicsView("line01", chartView1 );

   report->setReportFile("://reports/ncreport/myReport.xml");
   report->runReportToPreview();

if ( !report->hasError() ) {

          NCReportPreviewWindow * pv = new NCReportPreviewWindow();

          pv->setOutput( (NCReportPreviewOutput * )report->output() );
          pv->setWindowModality( Qt::ApplicationModal );
          pv->setAttribute( Qt::WA_DeleteOnClose );
          pv->setReport( report ); // sets the report objects
          pv->exec();

          } else {

              QMessageBox msgBox;
              msgBox.setText(QObject::tr("Report error: ") + report->lastErrorMsg());
              msgBox.exec();
              QMessageBox::warning(0,"", tr("Error"));

  }

 delete report;

NCReport*report=new NCReport（）；
图形*图形=新图形（）；
报告->重置（真）；
//饼图显示
QPieSeries*系列=新的QPieSeries（）；
系列->附加（“Jane”，1）；
系列->附加（“乔”，2）；
系列->附加（“安迪”，3）；
系列->附加（“芭芭拉”，4）；
系列->附加（“Axel”，5）；
QChart*图表=新QChart（）；
图表->添加系列（系列）；
QChartView*图表视图=新的QChartView（图表）；
图表视图->SetRenderInt（QPaint:：抗锯齿）；
//图表显示
QLineSeries*lineseries1=新的QLineSeries（）；
lineseries1->setName（“我的趋势线”）；
lineseries1->append（0,6）；
lineseries1->append（2,4）；
lineseries1->append（3,8）；
lineseries1->append（7,4）；
lineseries1->append（10,5）；
*lineseries1您可以共享文件
myReport.xml