HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Commit - r244:615e346403e5

Added chart printing to pdf

Marek Rosa -

r244:615e346403e5

parent child

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r244:615e346403e5

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example/gdpbarchart/gdpbarchart.pro +2 -2

             HEADERS  += widget.h
-            COPY_DATABASE_COMMAND = "cp gdpData $$CHART_BUILD_BIN_DIR/gdpData"
+            COPY_DATABASE_COMMAND = $$QMAKE_COPY gdpData $$CHART_BUILD_BIN_DIR/gdpData
             win32 {
-                COPY_DATABASE_COMMAND = $$replace(COPY_DATABASE_COMMAND, /,\\)
+                COPY_DATABASE_COMMAND = $$replace(COPY_DATABASE_COMMAND, "/","\\")
             }
             QMAKE_POST_LINK = $$COPY_DATABASE_COMMAND

example/gdpbarchart/widget.cpp +24 -5

             #include <qbarcategory.h>
             #include <qbarset.h>
             #include <QListWidget>
+            #include <QPrinter>
+            #include <QPrintDialog>
             QTCOMMERCIALCHART_USE_NAMESPACE
                 QPushButton* refreshButton = new QPushButton(tr("Refresh"));
                 connect(refreshButton, SIGNAL(clicked()), this, SLOT(refreshChart()));
+                QPushButton* printButton = new QPushButton(tr("Print chart"));
+                connect(printButton, SIGNAL(clicked()), this, SLOT(printChart()));
                 QVBoxLayout* rightPanelLayout = new QVBoxLayout;
                 rightPanelLayout->addWidget(countrieslist);
                 rightPanelLayout->addWidget(yearslist);
                 rightPanelLayout->addWidget(refreshButton);
+                rightPanelLayout->addWidget(printButton);
                 rightPanelLayout->setStretch(0, 1);
                 rightPanelLayout->setStretch(1, 0);
                 // hide axis X labels
                 QChartAxis* axis = chartArea->axisX();
                 axis->setLabelsVisible(false);
-            //    newAxis.setLabelsOrientation(QChartAxis::LabelsOrientationSlide);
+                //    newAxis.setLabelsOrientation(QChartAxis::LabelsOrientationSlide);
             }
             */
             void Widget::refreshChart()
             {
-            //    chartArea->
+                //    chartArea->
                 // selected countries items list is not sorted. copy the values to QStringlist and sort them.
                 QStringList selectedCountriesStrings;
                 QList<QListWidgetItem*> selectedCountriesItems = countrieslist->selectedItems();
                 {
                     query.exec("SELECT country,gdpvalue FROM gdp2 where year=" + QString("%1").arg(selectedYearsInts[i]) + " AND " + countriesQuery);
                     QBarSet* barSet = new QBarSet;
-            //        while (query.next()) {
+                    //        while (query.next()) {
-            //            qDebug() << query.value(0).toString() << " : " << query.value(1).toString();
+                    //            qDebug() << query.value(0).toString() << " : " << query.value(1).toString();
-            //        }
+                    //        }
                     query.first();
                     // the data for some of the coutries for some years might be missing.
                 // add the serie to the chart
                 chartArea->addSeries(series0);
             }
+            void Widget::printChart()
+            {
+                QPrinter printer;
+            //    QPrinter printer(QPrinter::HighResolution);
+                printer.setOutputFormat(QPrinter::PdfFormat);
+                printer.setOrientation(QPrinter::Landscape);
+                printer.setOutputFileName("print.pdf");
+                QPainter painter;
+                painter.begin(&printer);
+                chartArea->render(&painter);
+            }

example/gdpbarchart/widget.h +1 0

             public slots:
                 void refreshChart();
+                void printChart();
             private:
                 QChartView* chartArea;

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