添加OpenCv

PublicFunctions/CurvePlotWidget.h

@@ -0,0 +1,49 @@
+#ifndef CURVEPLOTWIDGET_H
+#define CURVEPLOTWIDGET_H
+
+#include <QWidget>
+#include <QtCharts/QChart>
+#include <QtCharts/QChartView>
+#include <QtCharts/QLineSeries>
+#include <QtCharts/QValueAxis>
+#include <QtCharts/QDateTimeAxis>
+#include <QGraphicsLayout>
+#include <QDateTime>
+
+QT_BEGIN_NAMESPACE
+namespace QtCharts {
+    class QChart;
+    class QChartView;
+    class QLineSeries;
+    class QValueAxis;
+}
+QT_END_NAMESPACE
+
+class CurvePlotWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit CurvePlotWidget(QWidget *parent = nullptr);
+
+    int  addSeries(const QString &name, const QColor &color);
+    void appendPoint(int seriesIndex, double yValue);
+protected:
+    void changeEvent(QEvent *e) override;
+
+
+private:
+    void initChart();
+    void updateAxisRange();
+
+    QtCharts::QChart          *m_chart = nullptr;
+    QtCharts::QChartView      *m_view  = nullptr;
+    QList<QtCharts::QLineSeries*> m_series;
+    QtCharts::QDateTimeAxis *m_axisX = nullptr;   // 替换
+    QtCharts::QValueAxis    *m_axisY = nullptr;
+
+    static constexpr int MAX_POINTS = 300;
+    static constexpr int TIME_WINDOW_S = 300;   // 600 秒 = 10 分钟
+    int  m_tick = 0;
+};
+
+#endif // CURVEPLOTWIDGET_H