基于Qt的汽车仪表模拟
程序体验地址：https://pan.baidu.com/s/1rQFZx5JIud8lWdjMHl0tpg
目前版本还没有成功把字体打包的程序中，为了更好的效果体验，请先安装文件中的两个字体
效果图
车速表，对外的接口
/**
* @brief selfInspection
* 转速表自检程序
*/
void selfInspection();
/**
* @brief setCarSpeed
* @param speed
* 设置车速
*/
void setCarSpeed(int speed = 0);
/**
* @brief setOilMass
* @param mass
* 设置油量
*/
void setOilMass(int mass = 0);最基本的配置
Speedmeter::Speedmeter(QWidget *parent) : QWidget(parent),ui(new Ui::Speedmeter)
{
ui->setupUi(this);
ui->label_mainback->setStyleSheet("QLabel{border-image:url(:/Comfort/Resources/MeterDisplay/Comfort/Speedmeter/mainback.png);}");
ui->label_flag_oilmass->setStyleSheet("QLabel{border-image:url(:/Comfort/Resources/MeterDisplay/Comfort/Speedmeter/oilmass_o.png);}");
ui->label_pointer->installEventFilter(this);
ui->label_pointer_shade->installEventFilter(this);
ui->label_oilmass->installEventFilter(this);
m_timerCarSpeedSelfInspection = new QTimer(this);
m_timerOilMassSelfInspection = new QTimer(this);
connect(m_timerCarSpeedSelfInspection,&QTimer::timeout,this,&Speedmeter::slot_timerCarSpeedSelfInspection);
connect(m_timerOilMassSelfInspection,&QTimer::timeout,this,&Speedmeter::slot_timerOilMassSelfInspection);
setCarSpeed();
}完成后续内容
void Speedmeter::selfInspection()
{
this->carSpeedSelfInspection();
this->oilMassSelfInspection();
}
void Speedmeter::setCarSpeed(int speed)
{
currentCarSpeed = speed;
m_Angle = currentCarSpeed*1.125-135;
update();
}
void Speedmeter::setOilMass(int mass)
{
if(mass<=10)
{
ui->label_flag_oilmass->setStyleSheet("QLabel{border-image:url(:/Comfort/Resources/MeterDisplay/Comfort/Speedmeter/oilmass_o.png);}");
}
else
{
ui->label_flag_oilmass->setStyleSheet("QLabel{border-image:url(:/Comfort/Resources/MeterDisplay/Comfort/Speedmeter/oilmass_w.png);}");
}
m_OilMass = mass;
update();
}
void Speedmeter::carSpeedSelfInspection()
{
if(m_timerCarSpeedSelfInspection)
{
m_timerCarSpeedSelfInspection->start(8);
}
}
void Speedmeter::oilMassSelfInspection()
{
if(m_timerOilMassSelfInspection)
{
m_timerOilMassSelfInspection->start(10);
}
}
bool Speedmeter::eventFilter(QObject *watched, QEvent *event)
{
if(watched == ui->label_pointer && event->type() == QEvent::Paint)
{
drawPonter(m_Angle);
}
if(watched == ui->label_pointer_shade && event->type() == QEvent::Paint)
{
drawPonterShade(m_Angle);
}
if(watched == ui->label_oilmass && event->type() == QEvent::Paint)
{
drawOilMass(m_OilMass);
}
return QWidget::eventFilter(watched,event);
}
void Speedmeter::drawPonter(int angle)
{
m_shadeOpacity = currentCarSpeed / 300.0;
QPainter painter(ui->label_pointer);
painter.setRenderHint((QPainter::SmoothPixmapTransform));
painter.setRenderHint(QPainter::HighQualityAntialiasing);
painter.translate(305,303.5);
painter.save();
painter.rotate(angle);
painter.drawPixmap(-304,-302,416,500,QPixmap(":/Comfort/Resources/MeterDisplay/Comfort/Speedmeter/pointer.png"));
painter.restore();
}
void Speedmeter::drawPonterShade(int angle)
{
QPainter painter(ui->label_pointer_shade);
painter.setOpacity(m_shadeOpacity);
painter.setRenderHint((QPainter::SmoothPixmapTransform));
painter.setRenderHint(QPainter::HighQualityAntialiasing);
painter.translate(305,303.5);
painter.save();
painter.rotate(angle);
painter.drawPixmap(-304,-302,416,500,QPixmap(":/Comfort/Resources/MeterDisplay/Comfort/Speedmeter/pointer_shade.png"));
painter.restore();
}
void Speedmeter::drawOilMass(int mass)
{
QPainter painter(ui->label_oilmass);
painter.setRenderHint((QPainter::SmoothPixmapTransform));
painter.setRenderHint(QPainter::HighQualityAntialiasing);
painter.translate(305,303.5);
painter.setPen(QPen(Qt::white,6,Qt::SolidLine));
painter.save();
if(mass<=10)
{
painter.setPen(QPen(Qt::red,6,Qt::SolidLine));
painter.drawArc(-304,-308,608,608,247*16,mass*7);
}
else if(mass>10 && mass<=25)
{
painter.setPen(QPen(Qt::white,6,Qt::SolidLine));
painter.drawArc(-304,-308,608,608,247*16,mass*7);
}
else if(mass>25 && mass <= 50)
{
painter.setPen(QPen(Qt::white,6,Qt::SolidLine));
painter.drawArc(-304,-308,608,608,247*16,24*7);
painter.drawArc(-304,-308,608,608,259*16,(mass-25)*7);
}
else if(mass>50 && mass <= 75)
{
painter.setPen(QPen(Qt::white,6,Qt::SolidLine));
painter.drawArc(-304,-308,608,608,247*16,24*7);
painter.drawArc(-304,-308,608,608,259*16,24*7);
painter.drawArc(-304,-308,608,608,271*16,(mass-50)*7);
}
else if(mass>75 && mass <= 100)
{
painter.setPen(QPen(Qt::white,6,Qt::SolidLine));
painter.drawArc(-304,-308,608,608,247*16,24*7);
painter.drawArc(-304,-308,608,608,259*16,24*7);
painter.drawArc(-304,-308,608,608,271*16,24*7);
painter.drawArc(-304,-308,608,608,283*16,(mass-75)*7);
}
painter.restore();
}
void Speedmeter::slot_timerCarSpeedSelfInspection()
{
if(m_flagCarSpeedSelfInspection)
{
if(currentCarSpeed > 0)
{
currentCarSpeed = currentCarSpeed - 2;
}
else
{
m_flagCarSpeedSelfInspection = !m_flagCarSpeedSelfInspection;
m_timerCarSpeedSelfInspection->stop();
emit signalSelfInspectionfinished();
}
}
else
{
if(currentCarSpeed < 241)
{
currentCarSpeed = currentCarSpeed + 2;
}
else
{
m_flagCarSpeedSelfInspection = !m_flagCarSpeedSelfInspection;
}
}
setCarSpeed(currentCarSpeed);
emit speedChange(currentCarSpeed);
}
void Speedmeter::slot_timerOilMassSelfInspection()
{
if(m_flagOilMassSelfInspection)
{
if(currentMass>0)
{
currentMass--;
}
else
{
m_flagOilMassSelfInspection = !m_flagOilMassSelfInspection;
m_timerOilMassSelfInspection->stop();
emit signalSelfInspectionfinished();
ui->label_flag_oilmass->setStyleSheet("QLabel{border-image:url(:/Comfort/Resources/MeterDisplay/Comfort/Speedmeter/oilmass_w.png);}");
}
}
else
{
if(currentMass <101)
{
currentMass++;
}
else
{
m_flagOilMassSelfInspection = !m_flagOilMassSelfInspection;
}
}
setOilMass(currentMass);
}
2019/08/25 16:19
