712 lines
17 KiB
C++
712 lines
17 KiB
C++
#include "Chart.h"
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int Chart::ChannelIndex = 0;
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Chart::Chart(QChart *chart, QWidget *parent)
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{
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QFile file(":/qss/Scope.qss");
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file.open(QFile::ReadOnly);
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QTextStream filetext(&file);
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QString stylesheet = filetext.readAll();
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this->setStyleSheet(stylesheet);
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file.close();
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chart->legend()->setAlignment(Qt::AlignRight);
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chart->legend()->setMarkerShape(QLegend::MarkerShapeDefault);
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chart->setTheme(QChart::ChartThemeQt);
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chart->setBackgroundBrush(Qt::white);
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//chart->setPlotArea(this->geometry());
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chart->setAnimationOptions(QChart::SeriesAnimations);
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QFont font;
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font.setFamily("微软雅黑");
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font.setPointSize(9);
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QValueAxis *axisX = new QValueAxis();
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axisX->setLabelsFont(font);
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axisX->setRange(0, 60);
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axisX->setTickCount(11);
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axisX->setLabelFormat("%.0f");
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chart->addAxis(axisX, Qt::AlignBottom);
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QValueAxis *axisY = new QValueAxis();
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axisY->setLabelsFont(font);
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axisY->setRange(-3, 3);
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axisY->setTickCount(7);
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axisY->setLabelFormat("%.2f");
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chart->addAxis(axisY, Qt::AlignLeft);
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setParent(parent);
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setChart(chart);
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setScroll(true);
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chart->setPos(0,0);
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chart->resize(parent->size());
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//默认不使用，因为使用显卡加速图形会闪
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setUseOpenGL(true);
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chart->layout()->setContentsMargins(2, 2, 2, 2);
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//chart->setContentsMargins(0, 0, 0, 0); //设置外边界全部为0
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chart->setMargins(QMargins(0, 0, 0, 0));//设置内边界全部为0
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chart->setBackgroundRoundness(0); //设置背景区域无圆角
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if(!updateTimer)
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{
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updateTimer = new QTimer(this);
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connect(updateTimer,SIGNAL(timeout()),
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this,SLOT(timeout()));
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updateTimer->start(200);//5hz刷新
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}
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}
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Chart::Chart(QWidget *parent)
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{
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setParent(parent);
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chart()->legend()->setAlignment(Qt::AlignRight);
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chart()->legend()->setMarkerShape(QLegend::MarkerShapeDefault);
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chart()->setTheme(QChart::ChartThemeQt);
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chart()->setBackgroundBrush(Qt::white);
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//chart()->setPlotArea(this->geometry());
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chart()->setAnimationOptions(QChart::SeriesAnimations);
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QFont font;
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font.setFamily("微软雅黑");
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font.setPointSize(9);
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QValueAxis *axisX = new QValueAxis();
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axisX->setLabelsFont(font);
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axisX->setRange(0, 60);
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axisX->setTickCount(11);
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axisX->setLabelFormat("%.0f");
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chart()->addAxis(axisX, Qt::AlignBottom);
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QValueAxis *axisY = new QValueAxis();
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axisY->setLabelsFont(font);
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axisY->setRange(-1, 1);
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axisY->setTickCount(7);
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axisY->setLabelFormat("%.2f");
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chart()->addAxis(axisY, Qt::AlignLeft);
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chart()->setPos(0,0);
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chart()->resize(parent->size());
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setScroll(true);
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//默认不使用，因为使用显卡加速图形会闪
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setUseOpenGL(true);
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chart()->layout()->setContentsMargins(2, 2, 2, 2);
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//chart()->setContentsMargins(0, 0, 0, 0); //设置外边界全部为0
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chart()->setMargins(QMargins(0, 0, 0, 0));//设置内边界全部为0
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chart()->setBackgroundRoundness(0); //设置背景区域无圆角
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if(!updateTimer)
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{
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updateTimer = new QTimer(this);
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connect(updateTimer,SIGNAL(timeout()),
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this,SLOT(timeout()));
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updateTimer->start(200);//5hz刷新
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}
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}
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Chart::~Chart()
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{
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if(updateTimer)
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{
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if(updateTimer->isActive())
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{
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updateTimer->stop();
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}
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delete updateTimer;
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}
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}
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void Chart::enterEvent(QEvent *event)
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{
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//setCursor(Qt::SizeVerCursor);
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QChartView::leaveEvent(event);
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}
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void Chart::leaveEvent(QEvent *event)
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{
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isPress = false;
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setCursor(Qt::ArrowCursor);
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QChartView::leaveEvent(event);
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}
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void Chart::hideEvent(QHideEvent *event)
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{
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qDebug() << event;
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}
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void Chart::showEvent(QShowEvent *event)
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{
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qDebug() << event;
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}
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void Chart::mouseMoveEvent(QMouseEvent *event)
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{
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if(isoperation)
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{
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const QPoint curPos = event->pos();
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if (isPress)
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{
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QPoint offset = curPos - lastPoint;
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lastPoint = curPos;
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chart()->scroll(-offset.x(), offset.y());
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}
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}
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//QChartView::mouseMoveEvent(e);
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}
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void Chart::mouseReleaseEvent(QMouseEvent *event)
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{
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if(isoperation)
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{
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isPress = false;
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setCursor(Qt::ArrowCursor);
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}
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//QChartView::mouseReleaseEvent(e);
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}
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void Chart::mousePressEvent(QMouseEvent *event)
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{
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if(isoperation)
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{
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if (event->button() == Qt::RightButton)
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{
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lastPoint = event->pos();
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isPress = true;
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setCursor(Qt::ClosedHandCursor);
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}
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}
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//QChartView::mousePressEvent(e);
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if(Select())
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{
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setSelect(false);
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}
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else
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{
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setSelect(true);
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}
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emit select(Select());//被选中
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}
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void Chart::mouseDoubleClickEvent(QMouseEvent *event)
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{
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qDebug() << "Chart double clicked" << event;
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//双击生成一个标
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//QChartView::mouseDoubleClickEvent(e);
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}
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void Chart::wheelEvent(QWheelEvent *event)
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{
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if(isoperation)
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{
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//以鼠标坐标为中心进行缩放
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QPointF curVal = chart()->mapToValue(QPointF(event->pos()));
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//缩放比例
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const double factor = 1.5;
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switch(event->modifiers())
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{
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case Qt::ControlModifier://垂直缩放
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{
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QValueAxis *axis = dynamic_cast<QValueAxis*>(chart()->axisY());
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const double Min = axis->min();
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const double Max = axis->max();
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const double Central = curVal.y();
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double bottomOffset;
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double topOffset;
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if (event->delta() > 0)
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{//放大
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bottomOffset = 1.0 / factor * (Central - Min);
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topOffset = 1.0 / factor * (Max - Central);
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}
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else
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{//缩小
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bottomOffset = 1.0 * factor * (Central - Min);
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topOffset = 1.0 * factor * (Max - Central);
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}
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chart()->axisY()->setRange(Central - bottomOffset, Central + topOffset);
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}break;
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case Qt::ShiftModifier://水平缩放
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{
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//setCursor(Qt::SizeVerCursor);
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QValueAxis *axis = dynamic_cast<QValueAxis*>(chart()->axisX());
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const double Min = axis->min();
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const double Max = axis->max();
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const double Central = curVal.x();
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double bottomOffset;
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double topOffset;
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if (event->delta() > 0)
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{//放大
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bottomOffset = 1.0 / factor * (Central - Min);
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topOffset = 1.0 / factor * (Max - Central);
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}
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else
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{//缩小
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bottomOffset = 1.0 * factor * (Central - Min);
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topOffset = 1.0 * factor * (Max - Central);
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}
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chart()->axisX()->setRange(Central - bottomOffset, Central + topOffset);
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}break;
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default://水平移动
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{
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QValueAxis *axis = dynamic_cast<QValueAxis*>(chart()->axisX());
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qreal dwidth = chart()->plotArea().width()/(axis->tickCount()*2);
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if(event->delta() > 0)
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{
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chart()->scroll(-dwidth,0);
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}
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else if(event->delta() < 0)
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{
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chart()->scroll(dwidth,0);
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}
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}
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}
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}
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//QChartView::wheelEvent(e);
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}
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void Chart::resizeEvent(QResizeEvent *event)
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{
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chart()->setPos(0,0);
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chart()->setGeometry(this->geometry());
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//chart()->setPlotArea(this->geometry());
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}
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void Chart::timeout(void)//10Hz
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{
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timeseries += updateTimer->interval() * 0.001f;
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chartUpdate();
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}
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void Chart::chartUpdate(void)
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{
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//读取新数据，如果没有，那就保持
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//当到达最大时（0.95），开始滚动
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if(isScroll() == true)
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{
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QValueAxis *axis = dynamic_cast<QValueAxis*>(chart()->axisX());
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const double Min = axis->min();
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const double Max = axis->max();
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if(timeseries > (Min + (Max - Min) * 0.95))
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{
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float err = (timeseries - (Min + (Max - Min) * 0.95));
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chart()->axisX()->setRange(Min + err,Max + err);
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}
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}
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if(isoperation == false)
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{
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QValueAxis *axis = dynamic_cast<QValueAxis*>(chart()->axisX());
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const double Min = axis->min();
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const double Max = axis->max();
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MaxCount = 0.86 * (Max - Min)/(updateTimer->interval() * 0.001);
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//自适应纵轴
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QList<float> yMax;
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QList<float> yMin;
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QList<QAbstractSeries *> slist = chart()->series();
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for(QAbstractSeries *serie:slist)
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{
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QLineSeries *s = qobject_cast<QLineSeries *>(serie);
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if(s)
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{
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QVector<QPointF> pv = s->pointsVector();
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//qDebug() << s->name() << pv;
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float max = pv.at(0).y();
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float min = pv.at(0).y();
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foreach (QPointF p, pv) {
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if(max < p.y())
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{
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max = p.y();
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}
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if(min > p.y())
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{
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min = p.y();
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}
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}
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yMax.append(max);
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yMin.append(min);
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}
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}
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if((yMax.size() > 0)&&(yMin.size() > 0))
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{
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float maxValue = yMax.at(0);
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foreach (float max, yMax) {
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if(maxValue < max)
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{
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maxValue = max;
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}
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}
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float minValue = yMin.at(0);
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foreach (float min, yMin) {
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if(minValue > min)
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{
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minValue = min;
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}
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}
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float scale = 0.5;
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if(maxValue != minValue)
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{
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scale = qAbs((maxValue - minValue) * 0.5 * 0.2);
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if(scale == 0)
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{
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scale = 0.5;
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}
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}
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float top = maxValue + scale;
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float bottom = minValue - scale;
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if(top == bottom)
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{
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top += 1;
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bottom -= 1;
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}
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chart()->axisY()->setRange(bottom,top);
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//chart()->axisY()->setRange((int)(minValue - qAbs(minValue - 1) * 0.5 - 1) ,(int)(maxValue + qAbs(maxValue + 1) * 0.5 + 1));
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update();
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}
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}
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}
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void Chart::setUseOpenGL(const bool &value)
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{
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isOpenGL= value;
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}
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bool Chart::addSeries(QString name = tr("new"))
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{
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//查找有没有这个名字的序列
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bool isContain = false;
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QList<QAbstractSeries *> slist = chart()->series();
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for(QAbstractSeries *serie:slist)
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{
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if(serie->name() == name)
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{
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isContain = true;
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}
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}
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if(isContain == false)
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{
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QLineSeries *s = new QLineSeries();
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s->setColor(ColorMap::Color[ChannelIndex]);
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s->setName(name);
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s->setPointLabelsClipping(true);
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s->pen().setStyle(Qt::SolidLine);
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s->pen().setColor(ColorMap::Color[ChannelIndex]);
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//s->append(timeseries,0);
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s->setUseOpenGL(isOpenGL);
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chart()->addSeries(s);
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chart()->setAxisX(chart()->axisX(),s);
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chart()->setAxisY(chart()->axisY(),s);
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ChannelIndex ++;
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if(ChannelIndex >= ColorMap::size())
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{
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ChannelIndex = 0;
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}
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}
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else
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{
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qInfo() << "this chart has contain a serie name by :" << name;
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}
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return isContain;
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}
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bool Chart::addSeries(QString name = tr("new"), int index = 0)
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{
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//查找有没有这个名字的序列
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bool isContain = false;
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QList<QAbstractSeries *> slist = chart()->series();
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for(QAbstractSeries *serie:slist)
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{
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if(serie->name() == name)
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{
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isContain = true;
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}
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}
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if(isContain == false)
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{
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QLineSeries *s = new QLineSeries();
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s->setColor(ColorMap::Color[ChannelIndex]);
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s->setName(name);
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s->setPointLabelsClipping(true);
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s->pen().setStyle(Qt::SolidLine);
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s->pen().setColor(ColorMap::Color[ChannelIndex]);
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//s->append(timeseries,0);
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s->setUseOpenGL(isOpenGL);
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chart()->addSeries(s);
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chart()->setAxisX(chart()->axisX(),s);
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chart()->setAxisY(chart()->axisY(),s);
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qDebug() << ChannelIndex << s->color().name() << ColorMap::Color[ChannelIndex].name();
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connect(s,&QLineSeries::clicked,
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this,&Chart::lineClicked);
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ChannelIndex ++;
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if(ChannelIndex >= ColorMap::size())
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{
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ChannelIndex = 0;
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}
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}
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else
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{
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qInfo() << "this chart has contain a serie name by :" << name;
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}
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return isContain;
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}
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bool Chart::addSeries(QString name = tr("new"),QColor color = QColor("#FFFFFF"),Qt::PenStyle pen = Qt::PenStyle(Qt::SolidLine))
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{
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//查找有没有这个名字的序列
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bool isContain = false;
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QList<QAbstractSeries *> slist = chart()->series();
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for(QAbstractSeries *serie:slist)
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{
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if(serie->name() == name)
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{
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isContain = true;
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}
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}
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if(isContain == false)
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{
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QLineSeries *s = new QLineSeries();
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s->setColor(color);
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s->setName(name);
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s->setPointLabelsClipping(true);
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s->pen().setStyle(pen);
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s->pen().setColor(ColorMap::Color[ChannelIndex]);
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//s->append(timeseries,0);
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s->setUseOpenGL(isOpenGL);
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chart()->addSeries(s);
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chart()->setAxisX(chart()->axisX(),s);
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chart()->setAxisY(chart()->axisY(),s);
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ChannelIndex ++;
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if(ChannelIndex >= ColorMap::size())
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{
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ChannelIndex = 0;
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}
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}
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else
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{
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qInfo() << "this chart has contain a serie name by :" << name;
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}
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return isContain;
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}
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void Chart::setSerieData(QString name,QVariant data)
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{
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//timeseries++;
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//qDebug() << timeseries << timeseries;
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//出新了比以前更大或者更小的值，那么就设置一下量程
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{
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QValueAxis *axis = dynamic_cast<QValueAxis*>(chart()->axisY());
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if(data.toDouble() > axis->max())
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{
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//设置最大值
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const double Min = axis->min();
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double FreeArea = (data.toDouble() - Min) * 0.1;
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chart()->axisY()->setRange(Min, data.toDouble() + FreeArea);
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}
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else if(data.toDouble() < axis->min())
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{
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//设置最小值
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const double Max = axis->max();
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double FreeArea = (Max - data.toDouble()) * 0.1;
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chart()->axisY()->setRange(data.toDouble() - FreeArea, Max);
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}
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}
|
|
|
|
//查找有没有这个名字的序列
|
|
bool isContain = false;
|
|
QList<QAbstractSeries *> slist = chart()->series();
|
|
for(QAbstractSeries *serie:slist)
|
|
{
|
|
QLineSeries *s = qobject_cast<QLineSeries *>(serie);
|
|
|
|
if(s->name() == name)
|
|
{
|
|
|
|
s->append(timeseries,data.toDouble());
|
|
|
|
if(isOperation() == false)
|
|
{
|
|
|
|
if(s->pointsVector().size() > MaxCount)
|
|
{
|
|
QList<QPointF> pv = s->points();
|
|
pv.removeFirst();
|
|
|
|
s->clear();
|
|
s->replace(pv);
|
|
//qDebug() << "remove()" << s->points().size() ;
|
|
}
|
|
}
|
|
|
|
isContain = true;
|
|
}
|
|
}
|
|
|
|
if(isContain == false)
|
|
{
|
|
|
|
addSeries(name,ChannelIndex);
|
|
|
|
QList<QAbstractSeries *> slist = chart()->series();
|
|
for(QAbstractSeries *serie:slist)
|
|
{
|
|
QLineSeries *s = qobject_cast<QLineSeries *>(serie);
|
|
if(s->name() == name)
|
|
{
|
|
s->append(timeseries,data.toDouble());
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
chartUpdate();
|
|
}
|
|
|
|
void Chart::removeSerie(QString name)
|
|
{
|
|
//找到，删除
|
|
QList<QAbstractSeries *> slist = chart()->series();
|
|
for(QAbstractSeries *serie:slist)
|
|
{
|
|
QLineSeries *s = qobject_cast<QLineSeries *>(serie);
|
|
if(s)
|
|
{
|
|
QString str = s->name();
|
|
|
|
if(str.contains('['))
|
|
{
|
|
str = str.left(str.indexOf('['));
|
|
}
|
|
|
|
if(str == name)
|
|
{
|
|
chart()->removeSeries(s);
|
|
s->clear();
|
|
s->deleteLater();
|
|
delete s;
|
|
}
|
|
}
|
|
}
|
|
|
|
update();
|
|
}
|
|
|
|
void Chart::removeAllSerie(void)
|
|
{
|
|
//找到，删除
|
|
QList<QAbstractSeries *> slist = chart()->series();
|
|
for(QAbstractSeries *serie:slist)
|
|
{
|
|
QLineSeries *s = qobject_cast<QLineSeries *>(serie);
|
|
if(s)
|
|
{
|
|
chart()->removeSeries(s);
|
|
s->clear();
|
|
s->deleteLater();
|
|
delete s;
|
|
|
|
}
|
|
}
|
|
|
|
update();
|
|
}
|
|
|
|
void Chart::lineClicked(const QPointF &point)
|
|
{
|
|
qDebug() << "clicked";
|
|
QObject *obj = sender();
|
|
QLineSeries *s = qobject_cast<QLineSeries *>(obj);
|
|
if(s)
|
|
{
|
|
s->pen().setWidth(10);
|
|
}
|
|
}
|
|
|
|
void Chart::lineHover(const QPointF &point, bool state)
|
|
{
|
|
QObject *obj = sender();
|
|
QLineSeries *s = qobject_cast<QLineSeries *>(obj);
|
|
if(s)
|
|
{
|
|
s->pen().setWidth(10);
|
|
qDebug() << "hover";
|
|
}
|
|
}
|
|
|