HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · example/colorlinechart/main.cpp

Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.

Michal Klocek - - Load All Authors

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             main.cpp
        
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             / example / colorlinechart / main.cpp
          
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        Michal Klocek
    
Add background to chart...

              r69
            
      #include <QApplication>

      #include <QMainWindow>

      #include <qchartview.h>

        Michal Klocek
    
Rename QLineChartSeries to QLineSeries

              r349
            
      #include <qlineseries.h>

        Michal Klocek
    
Add background to chart...

              r69
            
      #include <qchart.h>

      #include <cmath>

      QTCOMMERCIALCHART_USE_NAMESPACE

      #define PI 3.14159265358979

      int main(int argc, char *argv[])

      {

          QApplication a(argc, argv);

          QMainWindow window;

        Michal Klocek
    
Rename QLineChartSeries to QLineSeries

              r349
            
          QLineSeries* series0 = new QLineSeries();

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
          QPen blue(Qt::blue);

          blue.setWidth(3);

          series0->setPen(blue);

        Michal Klocek
    
Rename QLineChartSeries to QLineSeries

              r349
            
          QLineSeries* series1 = new QLineSeries();

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
          QPen red(Qt::red);

          red.setWidth(3);

          series1->setPen(red);

        Michal Klocek
    
Add background to chart...

              r69
            
          int numPoints = 100;

          for (int x = 0; x <= numPoints; ++x) {

        Michal Klocek
    
Refactors qchart , adds line animation...

              r131
            
          	  series0->add(x, fabs(sin(PI/50*x)*100));

          	  series1->add(x, fabs(cos(PI/50*x)*100));

        Michal Klocek
    
Add background to chart...

              r69
            
          }

          QChartView* chartView =  new QChartView(&window);

        Michal Klocek
    
Add gradient bacground support...

              r86
            
          chartView->setRenderHint(QPainter::Antialiasing);

        Michal Klocek
    
Adds font handling for chart's titile...

              r192
            
          QFont font;

          font.setPixelSize(18);

          chartView->setChartTitleFont(font);

          chartView->setChartTitle("Custom color line chart example");

        Michal Klocek
    
Add background to chart...

              r69
            
          chartView->addSeries(series0);

          chartView->addSeries(series1);

        Michal Klocek
    
Change background gradient to use ObjectBoundingMode...

              r122
            
          QLinearGradient backgroundGradient;

          backgroundGradient.setColorAt(0.0, Qt::blue);

          backgroundGradient.setColorAt(1.0, Qt::yellow);

          backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);

          chartView->setChartBackgroundBrush(backgroundGradient);

        Michal Klocek
    
Add background to chart...

              r69
            
          window.setCentralWidget(chartView);

          window.resize(400, 300);

          window.show();

          return a.exec();

      }

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Michal Klocek Add background to chart...	r69	#include <QApplication>
		#include <QMainWindow>
		#include <qchartview.h>
Michal Klocek Rename QLineChartSeries to QLineSeries	r349	#include <qlineseries.h>
Michal Klocek Add background to chart...	r69	#include <qchart.h>
		#include <cmath>

		QTCOMMERCIALCHART_USE_NAMESPACE

		#define PI 3.14159265358979

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

		QMainWindow window;

Michal Klocek Rename QLineChartSeries to QLineSeries	r349	QLineSeries* series0 = new QLineSeries();
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	QPen blue(Qt::blue);
		blue.setWidth(3);
		series0->setPen(blue);
Michal Klocek Rename QLineChartSeries to QLineSeries	r349	QLineSeries* series1 = new QLineSeries();
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	QPen red(Qt::red);
		red.setWidth(3);
		series1->setPen(red);
Michal Klocek Add background to chart...	r69
		int numPoints = 100;

		for (int x = 0; x <= numPoints; ++x) {
Michal Klocek Refactors qchart , adds line animation...	r131	series0->add(x, fabs(sin(PI/50x)100));
		series1->add(x, fabs(cos(PI/50x)100));
Michal Klocek Add background to chart...	r69	}

		QChartView* chartView = new QChartView(&window);
Michal Klocek Add gradient bacground support...	r86	chartView->setRenderHint(QPainter::Antialiasing);
Michal Klocek Adds font handling for chart's titile...	r192
		QFont font;
		font.setPixelSize(18);
		chartView->setChartTitleFont(font);
		chartView->setChartTitle("Custom color line chart example");
Michal Klocek Add background to chart...	r69	chartView->addSeries(series0);
		chartView->addSeries(series1);
Michal Klocek Change background gradient to use ObjectBoundingMode...	r122
		QLinearGradient backgroundGradient;
		backgroundGradient.setColorAt(0.0, Qt::blue);
		backgroundGradient.setColorAt(1.0, Qt::yellow);
		backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
		chartView->setChartBackgroundBrush(backgroundGradient);
Michal Klocek Add background to chart...	r69
		window.setCentralWidget(chartView);
		window.resize(400, 300);
		window.show();

		return a.exec();
		}