#include?“home.h“
#include?“ui_home.h“

home::home（QWidget?*parent）?:
????QDialog（parent）
????ui（new?Ui::home）
{
????ui->setupUi（this）;
????kd=50;
????setFixedSize（this->size（））;
????cubicData=QList（）;
????for?（int?i?=?0;?i?????{
????????dl.push_back（0）;
????????cubicData.append（QPointF（70+i*26250））;
????}
????time1=startTimer（500）;
????this->installEventFilter（this）;
}

home::~home（）
{
????delete?ui;
}

bool?home::eventFilter（Qobject?*o?QEvent?*e）
{
????if（o==this&&e->type（）==QEvent::Paint）
????{
????????QPainter?p（this）;
????????p.setRenderHint（QPainter::Antialiasingtrue）;
????????QPen?p1;
????????p1.setColor（Qt::white）;
????????p1.setWidth（2）;
????????p.setPen（p1）;
????????QPainterPath?path（cubicData[0]）;
????????for?（int?i?=?0;?i?????????{
????????????QPointF?sp=cubicData[i];
????????????QPointF?ep=cubicData[i+1];
????????????QPointF?c1=QPointF（（sp.x（）+ep.x（））/2sp.y（））;
????????????QPointF?c2=QPointF（（sp.x（）+ep.x（））/2ep.y（））;
????????????path.cubicTo（c1c2ep）;
????????????p.drawText（1010+i*25QString::number（kd-i*（kd/10）））;
????????}
????????p.drawPath（path）;
????????for?（int?i?=?0;?i?????????{
????????????p.setBrush（Qt::gray）;
????????????p.drawEllipse（cubicData[i]33）;
????????????p.drawText（70+i*26270QString::number（i+1））;
????????}
????????p.drawLine（0250350250）;
????????p.drawLine（50050300）;
????}
}

void?home::timerEvent（QTimerEvent?*e）
{
????if（e->timerId（）==time1）
????{
????????dl.push_back（qrand（）%50）;
????????for?（int?i?=?0;?i?????????????cubicData[i]=QPointF（70+i*26250-dl.at（i）*（250.0/kd））;
????????}
????????dl.pop_front（）;
????????update（）;
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-01-16?14:36??project\
?????文件????????1780??2019-01-16?14:26??project\home.cpp
?????文件?????????441??2019-01-16?14:24??project\home.h
?????文件?????????561??2019-01-16?14:14??project\home.ui
?????文件?????????171??2019-01-16?14:10??project\main.cpp
?????文件????????1035??2019-01-16?14:10??project\project.pro
?????文件???????23454??2019-01-16?14:10??project\project.pro.user
?????文件????19926094??2019-01-16?14:35??release.zip