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曲线可以显示数据

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Company
2020-07-30 21:58:48 +08:00
parent a8143c88b5
commit a404e46fde
3 changed files with 357 additions and 68 deletions
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App/ComponentUI/Scope/Scope.cpp
+314 -49
View File
@@ -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()->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);
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->setRange(0, 10);
axisX->setTickCount(11);
axisX->setLabelFormat("%.2f");
chartView->chart()->setAxisX(axisX, series);
chartView->chart()->addAxis(axisX, Qt::AlignBottom);
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
+39 -2
View File
@@ -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
-13
View File
@@ -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>