嵌入式课设-基于c++实现的呼吸机项目源码.zip

#include "m_widget.h" #include "ui_m_widget.h" M_Widget::M_Widget(QWidget *parent) : QWidget(parent), ui(new Ui::M_Widget) { ui->setupUi(this); // ui->widget->setAlternatingRowColors(true); // ui->widget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch); // ui->widget->horizontalHeader()->setStretchLastSection(true); //setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred); //ui->widget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Preferred); layout()->setMargin(0); layout()->setContentsMargins(0, 0, 0, 0); // setWindowFlags(Qt::SubWindow); // showFullScreen(); // ui->widget->setWindowFlags(Qt::SubWindow); // ui->widget->showFullScreen(); // adjustSize(); // ui->widget->adjustSize(); QChart* chart = new QChart(); AxY = new QValueAxis(); AxX = new QValueAxis(); line = new QLineSeries(); // 将系列添加到图表 chart->addSeries(line); chart->setTheme(QtCharts::QChart::ChartThemeBrownSand); //mAxX->setTitleText(QString(tr("ImageNumber"))); //mAxY->setTitleText(QString(tr("ReadRate(%)"))); chart->addAxis(AxY, Qt::AlignLeft); chart->addAxis(AxX, Qt::AlignBottom); line->attachAxis(AxY); line->attachAxis(AxX); //突出曲线上的点 line->setPointsVisible(true); //图例 QLegend *mlegend = chart->legend(); mlegend->detachFromChart(); mlegend->setGeometry(QRectF(25,0,100,100)); //mlegend->setAlignment(Qt::AlignTop); //chart->legend()->setBackgroundVisible(true); //mlegend->setAlignment(); //mlegend->setVisible(false); // 将图表绑定到视图 weiget 为 QChartView //隐藏背景 //chart->setBackgroundVisible(false); //设置外边界全部为0 chart->layout()->setContentsMargins(0, 0, 0, 0); //设置内边界全部为0 chart->setMargins(QMargins(0, 0, 0, 0)); //设置背景区域无圆角 chart->setBackgroundRoundness(0); ui->widget->setChart(chart); } M_Widget::~M_Widget() { delete ui; } void M_Widget::timerEvent(QTimerEvent *) { } QLineSeries* M_Widget::getline(){ return line; } QValueAxis* M_Widget::getAxY(){ return AxY; } QValueAxis* M_Widget::getAxX(){ return AxX; }