曲线可以显示数据

App/ComponentUI/Scope/Scope.cpp

@@ -1,65 +1,46 @@
 #include "Scope.h"
 #include "ui_Scope.h"
 
+int Scope::ChannelIndex = 0;
+
 Scope::Scope(QWidget *parent) :
     QWidget(parent),
     ui(new Ui::Scope)
 {
     ui->setupUi(this);
 
+    timeseries = 0;
 
-     chartView = new QChartView(this);
-     series = new QLineSeries(this);
-
-     chartView->setRenderHint(QPainter::Antialiasing);
-     chartView->chart()->legend()->setAlignment(Qt::AlignRight);
-     chartView->chart()->legend()->setMarkerShape(QLegend::MarkerShapeCircle);
-     chartView->chart()->legend()->setColor(Qt::yellow);
+    chartView = new QChartView(this);
+    chartView->setRenderHint(QPainter::Antialiasing);
+    chartView->chart()->legend()->setAlignment(Qt::AlignRight|Qt::AlignTop);
+    chartView->chart()->legend()->setMarkerShape(QLegend::MarkerShapeCircle);
+    chartView->chart()->legend()->setColor(Qt::yellow);
+    chartView->chart()->setTheme(QChart::ChartThemeBlueCerulean);
+    //chartView->setRubberBand(QChartView::RectangleRubberBand);
 
 
-     series->setName("123");
+    QValueAxis *axisX = new QValueAxis();
 
-     chartView->chart()->createDefaultAxes();
 
-     QPen pen(Qt::yellow);
-     pen.setWidth(2);
-     series->setPen(pen);
+    axisX->setRange(0, 10);
+    axisX->setTickCount(11);
+    axisX->setLabelFormat("%.2f");
+    chartView->chart()->addAxis(axisX, Qt::AlignBottom);
 
-     series->append(0, 0);
-     series->append(1, -4);
-     series->append(2, 5);
-     series->append(3, 6);
-     series->append(4, 2);
-     series->append(5, 9);
-     series->append(6, -0);
-     series->append(7, 4);
-     series->append(8, 4);
-     series->append(9, -5);
-     series->append(10, 6);
-     series->append(11, 2);
-     series->append(12, 9);
-     series->append(13, 0);
-     series->append(14, -4);
-     series->append(16, 4);
-     series->append(18, 5);
-     series->append(19, -6);
-     series->append(20, 2);
-     series->append(21, 9);
-     series->append(22, 0);
-     series->append(23, 4);
 
-     chartView->chart()->addSeries(series);
-
-     QValueAxis *axisX = new QValueAxis(this);
-     axisX->setRange(0, 1);
-     axisX->setTickCount(11);
-     axisX->setLabelFormat("%.2f");
-     chartView->chart()->setAxisX(axisX, series);
+    QValueAxis *axisY = new QValueAxis();
+    axisY->setRange(-100, 100);
+    //axisY->setTickType(QValueAxis::TicksDynamic);
+    axisY->setTickCount(11);
+    axisY->setLabelFormat("%.2f");
+    chartView->chart()->addAxis(axisY, Qt::AlignLeft);
 
     chartView->setGeometry(ui->frame->geometry());
 
     QTimer::singleShot(10,this,SLOT(timeout()));
 
+
 }
 
 Scope::~Scope()
@@ -67,14 +48,40 @@ Scope::~Scope()
     delete ui;
 }
 
+
+void Scope::mouseMoveEvent(QMouseEvent *e)
+{
+   //移动整幅图
+   qDebug() << "Scope Move" << e;
+}
+
 void Scope::mouseReleaseEvent(QMouseEvent *e)
 {
     qDebug() << "Scope release" << e;
+
+    isPress = false;
 }
 
 void Scope::mousePressEvent(QMouseEvent *e)
 {
     qDebug() << "Scope press" << e;
+
+    isPress = true;
+
+    /*
+    QPoint temp = e->pos();//获取当前坐标的位置
+
+    if(e->buttons() == Qt::RightButton){      // 这里必须使用buttons()，因为鼠标移动过程中会检测所有按下的键，而这个时候button（）是无法检测那个按键被按下，所以必须使用buttons（）函数，看清楚，是buttons（）不是button（）
+        QPointF f = chart->mapToValue(temp) - chart->mapToValue(lastPos);
+        axisX->setRange(axisX->min() - f.x(), axisX->max() - f.x());
+        axisY->setRange(axisY->min() - f.y(), axisY->max() - f.y());
+        chart->update();
+        lastPos = temp;
+        update();
+    }
+
+    */
+
 }
 
 void Scope::mouseDoubleClickEvent(QMouseEvent *e)
@@ -84,39 +91,297 @@ void Scope::mouseDoubleClickEvent(QMouseEvent *e)
 
 void Scope::wheelEvent(QWheelEvent *e)
 {
-    //改变是range
 
-    qDebug() << "Scope wheel" << e;
-    chartView->chart()->scroll(e->angleDelta().y(),0);
+    //以鼠标坐标为中心进行缩放
+
+    //改变缩放
+    switch(e->modifiers())
+    {
+    case Qt::ControlModifier:
+    {
+        QList<QAbstractAxis *> axList =  chartView->chart()->axes(Qt::Vertical);
+        for(QAbstractAxis *axis:axList)
+        {
+            QValueAxis *a = qobject_cast<QValueAxis *>(axis);
+            if(e->delta() > 0)
+            {
+                a->setRange(a->min()*0.5,a->max()*0.5);
+            }
+            else if(e->delta() < 0)
+            {
+                a->setRange(a->min()*1.5,a->max()*1.5);
+            }
+        }
+    }break;
+    case Qt::ShiftModifier:
+    {
+       QList<QAbstractAxis *> axList =  chartView->chart()->axes(Qt::Horizontal);
+       for(QAbstractAxis *axis:axList)
+       {
+           QValueAxis *a = qobject_cast<QValueAxis *>(axis);
+           //还有点问题，负数的时候不行
+           if(e->delta() > 0)//缩小
+           {
+               a->setRange(a->min()*1.5,a->max()*0.5);
+           }
+           else if(e->delta() < 0)//放大
+           {
+               a->setRange(a->min()*0.5,a->max()*1.5);
+           }
+       }
+    }break;
+    default:
+    {
+        QList<QAbstractAxis *> axList =  chartView->chart()->axes(Qt::Horizontal);
+        for(QAbstractAxis *axis:axList)
+        {
+            QValueAxis *a = qobject_cast<QValueAxis *>(axis);
+
+            qreal dwidth = chartView->chart()->plotArea().width()/(a->tickCount()*2);
+
+            if(e->delta() > 0)
+            {
+                chartView->chart()->scroll(-dwidth,0);
+            }
+            else if(e->delta() < 0)
+            {
+                chartView->chart()->scroll(dwidth,0);
+            }
+        }
+
+    }
+    }
 }
 
-void Scope::resizeEvent(QResizeEvent *event)
+void Scope::resizeEvent(QResizeEvent *e)
 {
-    Q_UNUSED(event)
+    Q_UNUSED(e)
     chartView->setGeometry(ui->frame->geometry());
 }
 
-void Scope::timeout(void)
+void Scope::timeout(void)//100Hz
 {
+    timeseries += 0.01;
     chartUpdate();
-
     QTimer::singleShot(10,this,SLOT(timeout()));
 }
 
+
+
+
 void Scope::chartUpdate(void)
 {
-     //分别读取每个序列的一个数据
+     //读取新数据，如果没有，那就保持
 
+     setSerieData("sin",sin(timeseries));
+     setSerieData("cos",cos(timeseries));
+     setSerieData("tan",tan(timeseries));
+     //setSerieData("acos",acos(timeseries));
+     //setSerieData("asin",asin(timeseries));
+     //setSerieData("atan",atan(timeseries));
 
+     setSerieData("x1",1 * timeseries + 1);
+     setSerieData("x2",timeseries * timeseries + 1);
+     setSerieData("x3",timeseries * timeseries * timeseries + 1);
+     setSerieData("sqrt",sqrt(timeseries));
+     //setSerieData("pow",pow(timeseries,2));
+     //setSerieData("log",log(timeseries + 1));
 
-     //增加到新的数据 里面
-
-
+     //setSerieData("log10",log10(timeseries));
+     //setSerieData("exp",exp(timeseries));
+     setSerieData("tan+1",tan(timeseries + 1));
+     //setSerieData("log2",log2(timeseries));
+     setSerieData("timeseries",timeseries);
+     setSerieData("12",timeseries * log(timeseries));
 
      //滚动显示器
+     //当到达最大时（0.95），开始滚动
+     QList<QAbstractAxis *> axList =  chartView->chart()->axes(Qt::Horizontal);
+     for(QAbstractAxis *axis:axList)
+     {
+         QValueAxis *a = qobject_cast<QValueAxis *>(axis);
+         qreal dwidth = chartView->chart()->plotArea().width()/(a->tickCount() - 1);
+
+         if(timeseries > (a->min() + (a->max() - a->min()) * 0.95))
+         {
+
+            chartView->chart()->scroll(dwidth * 0.01,0);//每次增加0.01
+         }
+
+     }
 }
 
-//void Scope::addSeries(void)
+bool Scope::addSeries(QString name = tr("new"))
+{
+    //查找有没有这个名字的序列
+    bool isContain = false;
+    QList<QAbstractSeries *> slist = chartView->chart()->series();
+    for(QAbstractSeries *serie:slist)
+    {
+        if(serie->name() == name)
+        {
+            isContain = true;
+        }
+    }
+
+    if(isContain == false)
+    {
+        QLineSeries *s = new QLineSeries();
+        s->setColor(ColorMap::Color[ChannelIndex]);
+        s->setName(name);
+        s->append(timeseries,0);
+        chartView->chart()->addSeries(s);
+        chartView->chart()->setAxisX(chartView->chart()->axisX(),s);
+        chartView->chart()->setAxisY(chartView->chart()->axisY(),s);
+
+        ChannelIndex ++;
+        if(ChannelIndex >= 16)
+        {
+            ChannelIndex = 0;
+        }
+    }
+    else
+    {
+        qInfo() << "this chart has contain a serie name by :" << name;
+    }
+    return isContain;
+}
+
+bool Scope::addSeries(QString name = tr("new"), int index = 0)
+{
+    if(index >= 16)
+    {
+        int a = index/16;
+        ChannelIndex = index - a*16;
+    }
+
+    //查找有没有这个名字的序列
+    bool isContain = false;
+    QList<QAbstractSeries *> slist = chartView->chart()->series();
+    for(QAbstractSeries *serie:slist)
+    {
+        if(serie->name() == name)
+        {
+            isContain = true;
+        }
+    }
+
+    if(isContain == false)
+    {
+        QLineSeries *s = new QLineSeries();
+        s->setColor(ColorMap::Color[ChannelIndex]);
+        s->setName(name);
+        s->append(timeseries,0);
+        chartView->chart()->addSeries(s);
+        chartView->chart()->setAxisX(chartView->chart()->axisX(),s);
+        chartView->chart()->setAxisY(chartView->chart()->axisY(),s);
+
+        ChannelIndex ++;
+        if(ChannelIndex >= 16)
+        {
+            ChannelIndex = 0;
+        }
+    }
+    else
+    {
+        qInfo() << "this chart has contain a serie name by :" << name;
+    }
+    return isContain;
+}
+
+bool Scope::addSeries(QString name = tr("new"),QColor color = QColor("#FFFFFF"))
+{
+    //查找有没有这个名字的序列
+    bool isContain = false;
+    QList<QAbstractSeries *> slist = chartView->chart()->series();
+    for(QAbstractSeries *serie:slist)
+    {
+        if(serie->name() == name)
+        {
+            isContain = true;
+        }
+    }
+
+    if(isContain == false)
+    {
+        QLineSeries *s = new QLineSeries();
+        s->setColor(color);
+        s->setName(name);
+        s->append(timeseries,0);
+        chartView->chart()->addSeries(s);
+        chartView->chart()->setAxisX(chartView->chart()->axisX(),s);
+        chartView->chart()->setAxisY(chartView->chart()->axisY(),s);
+
+        ChannelIndex ++;
+        if(ChannelIndex >= 16)
+        {
+            ChannelIndex = 0;
+        }
+    }
+    else
+    {
+        qInfo() << "this chart has contain a serie name by :" << name;
+    }
+
+    return isContain;
+}
 
 
 
+void Scope::setSerieData(QString name,QVariant data)
+{
+    //获取当前的时间撮
+     //series->append(timeseries,data.toFloat());
+    //查找有没有这个名字的序列
+    bool isContain = false;
+    QList<QAbstractSeries *> slist = chartView->chart()->series();
+    for(QAbstractSeries *serie:slist)
+    {
+        QLineSeries *s = qobject_cast<QLineSeries *>(serie);
+        if(s->name() == name)
+        {
+            s->append(timeseries,data.toDouble());
+            isContain = true;
+        }
+    }
+
+    if(isContain == false)
+    {
+        /*
+        QLineSeries *s = new QLineSeries();
+        s->setColor(ColorMap::Color[ChannelIndex]);
+        s->setName(name);
+        s->append(timeseries,data.toDouble());
+        chartView->chart()->addSeries(s);
+        chartView->chart()->setAxisX(chartView->chart()->axisX(),s);
+        chartView->chart()->setAxisY(chartView->chart()->axisY(),s);
+        */
+
+        addSeries(name,ChannelIndex);
+
+        ChannelIndex ++;
+        if(ChannelIndex >= 16)
+        {
+            ChannelIndex = 0;
+        }
+    }
+}
+
+void Scope::removeSerie(QString name)
+{
+    //找到，删除
+    QList<QAbstractSeries *> slist = chartView->chart()->series();
+    for(QAbstractSeries *serie:slist)
+    {
+        QLineSeries *s = qobject_cast<QLineSeries *>(serie);
+        if(s->name() == name)
+        {
+            chartView->chart()->removeSeries(s);
+            s->clear();
+            s->deleteLater();
+            delete s;
+
+        }
+    }
+}
+

App/ComponentUI/Scope/Scope.h

@@ -3,16 +3,39 @@
 
 #include <QWidget>
 #include "QDebug"
-
+#include <QKeyEvent>
 #include "QTimer"
 
 #include "QChart"
 #include <QChartView>
 #include <QLineSeries>
 #include <QValueAxis>
+#include <QDateTimeAxis>
 
 using namespace QtCharts;
 
+namespace ColorMap{
+static QColor Color[16] = {
+    QColor(165, 42, 42),    //Channel1Color
+    QColor (255, 127, 80),  //Channel2Color
+    QColor (30, 144, 255),  //Channel3Color
+    QColor (218, 165, 32),  //Channel4Color
+    QColor (255, 0, 255),   //Channel5Color
+    QColor (147, 112, 219), //Channel6Color
+    QColor (0, 255, 255),   //Channel7Color
+    QColor (0, 0, 128),     //Channel8Color
+    QColor (128, 0, 128),   //Channel9Color
+    QColor (46, 139, 87),   //Channel10Color
+    QColor (152, 251, 152), //Channel11Color
+    QColor (0, 255, 127),   //Channel12Color
+    QColor (0, 0, 255),     //Channel13Color
+    QColor (135, 206, 250), //Channel14Color
+    QColor (255, 192, 203), //Channel15Color
+    QColor (127, 255, 0)    //Channel16Color
+};
+}
+
+
 namespace Ui {
 class Scope;
 }
@@ -26,14 +49,23 @@ public:
     explicit Scope(QWidget *parent = nullptr);
     ~Scope();
 
+    static int ChannelIndex;
 
 protected:
+    void mouseMoveEvent(QMouseEvent *e);
     void mouseReleaseEvent(QMouseEvent *e);
     void mousePressEvent(QMouseEvent *e);
     void mouseDoubleClickEvent(QMouseEvent *e);
     void wheelEvent(QWheelEvent *e);
-    void resizeEvent(QResizeEvent *event);
+    void resizeEvent(QResizeEvent *e);
 
+public slots:
+    bool addSeries(QString name);
+    bool addSeries(QString name,int index);
+    bool addSeries(QString name, QColor color);
+    void removeSerie(QString name);
+
+    void setSerieData(QString name,QVariant data);
 
 private slots:
    void timeout(void);
@@ -45,6 +77,11 @@ private:
     QChartView *chartView;
     QLineSeries *series;
 
+    qreal timeseries = 0;//时间基准，注意时间长度，可能会出现时间反转的情况
+
+
+    bool isPress = false;
+
 };
 
 #endif // SCOPE_H

App/ComponentUI/Scope/Scope.ui

@@ -34,19 +34,6 @@
      <property name="frameShadow">
       <enum>QFrame::Raised</enum>
      </property>
-     <widget class="QPushButton" name="pushButton">
-      <property name="geometry">
-       <rect>
-        <x>430</x>
-        <y>20</y>
-        <width>201</width>
-        <height>161</height>
-       </rect>
-      </property>
-      <property name="text">
-       <string>PushButton</string>
-      </property>
-     </widget>
     </widget>
    </item>
   </layout>