Add plot() script method

CMakeLists.txt

@@ -17,7 +17,7 @@ if(SANITIZE_ADDRESS_LEAK)
     set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fsanitize=address -fsanitize=leak")
 endif(SANITIZE_ADDRESS_LEAK)
 
-find_package(Qt6 COMPONENTS Widgets Sql OpenGLWidgets Qml REQUIRED)
+find_package(Qt6 COMPONENTS Widgets Sql OpenGLWidgets Qml Charts REQUIRED)
 find_library(EXIF_LIB exif REQUIRED)
 find_library(FITS_LIB cfitsio REQUIRED)
 find_library(RAW_LIB NAMES raw_r REQUIRED)
@@ -102,7 +102,7 @@ if(STELLARSOLVER_INCLUDE AND STELLARSOLVER_LIB)
     message(STATUS "Found stellarsolver ${STELLARSOLVER_INCLUDE} ${STELLARSOLVER_LIB}")
 endif(STELLARSOLVER_INCLUDE AND STELLARSOLVER_LIB)
 
-target_link_libraries(tenmon PRIVATE Qt6::Widgets Qt6::Sql Qt6::OpenGLWidgets Qt6::Qml ${EXIF_LIB} ${FITS_LIB} ${RAW_LIB} ${WCS_LIB} ${LCMS2_LIB} XISF)
+target_link_libraries(tenmon PRIVATE Qt6::Widgets Qt6::Sql Qt6::OpenGLWidgets Qt6::Qml Qt6::Charts ${EXIF_LIB} ${FITS_LIB} ${RAW_LIB} ${WCS_LIB} ${LCMS2_LIB} XISF)
 if(APPLE)
     target_link_libraries(tenmon PRIVATE Qt6::DBus "-framework CoreFoundation")
 elseif(UNIX)

batchprocessing.cpp

@@ -10,6 +10,9 @@
 #include <QMessageBox>
 #include <QDesktopServices>
 #include <QInputDialog>
+#include <QChart>
+#include <QChartView>
+#include <QLineSeries>
 #include "scriptengine.h"
 
 #ifdef Q_OS_LINUX
@@ -279,3 +282,30 @@ QJSValue BatchProcessing::getItem(const QStringList &items, const QString &label
     QString ret = QInputDialog::getItem(this, tr("Select item"), label, items, current, false, &ok);
     return ok ? ret : QJSValue();
 }
+
+void BatchProcessing::plot(const QVector<QPointF> &points)
+{
+    QDialog *diag = new QDialog(this);
+    diag->setAttribute(Qt::WA_DeleteOnClose);
+    diag->setModal(false);
+    diag->setWindowTitle(tr("Chart"));
+
+    QChartView *chartView = new QChartView(diag);
+    diag->setLayout(new QVBoxLayout);
+    diag->layout()->addWidget(chartView);
+
+    QChart *chart = new QChart;
+    chart->setParent(chartView);
+
+    auto series = new QLineSeries(chartView);
+    series->append(points);
+    chart->addSeries(series);
+    chart->createDefaultAxes();
+    chart->setTitle("Simple line graph");
+    chart->legend()->hide();
+
+    chartView->setChart(chart);
+    chartView->setRenderHint(QPainter::Antialiasing);
+    diag->resize(640, 480);
+    diag->show();
+}

batchprocessing.h

@@ -41,6 +41,8 @@ public slots:
     QJSValue getInt(const QString &label, int value);
     QJSValue getFloat(const QString &label, double value, int decimals);
     QJSValue getItem(const QStringList &items, const QString &label, int current);
+
+    void plot(const QVector<QPointF> &points);
 };
 
 #endif // BATCHPROCESSING_H

scriptengine.cpp

@@ -134,6 +134,21 @@ QJSValue ScriptEngine::getItem(const QStringList &items, const QString &label, i
     return ret;
 }
 
+void ScriptEngine::plot(const QJSValue &pointsArray)
+{
+    if(pointsArray.isArray())
+    {
+        int len = pointsArray.property("length").toInt();
+        QVector<QPointF> points;
+        for(int i = 0; i < len; i++)
+        {
+            QJSValue point = pointsArray.property(i);
+            points.append(QPointF(point.property("x").toNumber(), point.property("y").toNumber()));
+        }
+        QMetaObject::invokeMethod(_parent, "plot", Qt::QueuedConnection, Q_ARG(QVector<QPointF>, points));
+    }
+}
+
 bool ScriptEngine::convert(File *file, QString &outpath, const QString &format, const QVariantMap &params, bool async)
 {
     QString path;

scriptengine.h

@@ -47,6 +47,7 @@ public:
     Q_INVOKABLE QJSValue getInt(const QString &label = QString(), int value = 0);
     Q_INVOKABLE QJSValue getFloat(const QString &label = QString(), double value = 0, int decimals = 3) const;
     Q_INVOKABLE QJSValue getItem(const QStringList &items, const QString &label = "", int current = 0) const;
+    Q_INVOKABLE void plot(const QJSValue &pointsArray);
     bool convert(File *file, QString &outpath, const QString &format, const QVariantMap &params, bool async);
 #ifdef PLATESOLVER
     Q_INVOKABLE void setSolverProfile(int index);