Qt 飞机仪表显示

使用Qt简单谢了一个飞机的一小部分仪表，还没有写完，目前只写了一个界面，不过思想应该是一样的。

效果图如下

其中主要由转速表，和下面的部分数字显示构成

转速表代码

.h文件

#ifndef CONTROL_ENGINE_H

#define CONTROL_ENGINE_H

#include <QWidget>

#include <QPainter>

#include <QtMath>

#define PI 3.1415926

#define GREEN 0,255,0

#define YELLOW 211,137,50

#define WHITE 255,255,255

namespace Ui {

class Control_Engine;

}

class Control_Engine : public QWidget

{

    Q_OBJECT

public:

    explicit Control_Engine(QWidget *parent,int temp);

    ~Control_Engine();

    void set_Engine(int temp);

private:

    bool eventFilter(QObject *temp1, QEvent *temp2);

    void draw_Engine();

    void draw_Percent();

private:

    Ui::Control_Engine *ui;

    int num_Engine;

    int num_Percent;

};

#endif // CONTROL_ENGINE_H

cpp文件

#include "control_engine.h"

#include "ui_control_engine.h"

#include <QDebug>

Control_Engine::Control_Engine(QWidget *parent,int temp) :

    QWidget(parent),

    ui(new Ui::Control_Engine)

{

    ui->setupUi(this);

    ui->label_draw->installEventFilter(this);

    ui->label_percent->installEventFilter(this);

    num_Engine = 0;

    num_Percent = 0;

    if(temp == 0)

    {

        ui->label_draw->move(50,0);

        ui->label->move(40,20);

        ui->label_percent->move(0,17);

    }

    else if(temp == 1)

    {

        ui->label_draw->move(0,0);

        ui->label->move(110,20);

        ui->label_percent->move(70,17);

    }

}

Control_Engine::~Control_Engine()

{

    delete ui;

}

void Control_Engine::set_Engine(int temp)

{

    num_Engine = temp;

    num_Percent = temp/2;

    update();

}

bool Control_Engine::eventFilter(QObject *temp1, QEvent *temp2)

{

    if((temp1 == ui->label_draw)&&temp2->type() == QEvent::Paint)

    {

        draw_Engine();

    }

    if((temp1 == ui->label_percent)&&temp2->type() == QEvent::Paint)

    {

        draw_Percent();

    }

}

void Control_Engine::draw_Engine()

{

    if(num_Engine<=200)

    {

        QPainter painter1(ui->label_draw);

        painter1.setRenderHint(QPainter::Antialiasing,true);

        painter1.setPen(QPen(QColor(GREEN),3,Qt::SolidLine,Qt::FlatCap));

        painter1.drawArc(13,3,54,54,180*16,270*16);

        painter1.drawLine(3,30,14,30);

        QPainter painter2(ui->label_draw);

        painter2.setRenderHint(QPainter::Antialiasing,true);

        painter2.setPen(QPen(QColor(GREEN),3,Qt::SolidLine,Qt::FlatCap));

        painter2.drawLine(40,30,(40+27*qSin(num_Engine*PI/180.0)),(30-27*qCos(num_Engine*PI/180.0)));

    }

    else

    {

        QPainter painter1(ui->label_draw);

        painter1.setRenderHint(QPainter::Antialiasing,true);

        painter1.setPen(QPen(QColor(YELLOW),3,Qt::SolidLine,Qt::FlatCap));

        painter1.drawArc(13,3,54,54,180*16,270*16);

        painter1.drawLine(3,30,14,30);

        QPainter painter2(ui->label_draw);

        painter2.setRenderHint(QPainter::Antialiasing,true);

        painter2.setPen(QPen(QColor(YELLOW),3,Qt::SolidLine,Qt::FlatCap));

        painter2.drawLine(40,30,(40+27*qSin(num_Engine*PI/180.0)),(30-27*qCos(num_Engine*PI/180.0)));

    }

}

void Control_Engine::draw_Percent()

{

    if(num_Percent<=100)

    {

        QPainter painter1(ui->label_percent);

        painter1.setPen(QPen(QColor(WHITE),1.5));

        QRect rect1(1,3,36,20);

        painter1.drawRect(rect1);

        QPainter painter2(ui->label_percent);

        painter2.setPen(QPen(QColor(GREEN),1.5));

        QString str = QString::number(num_Percent,10);

        QFont font("宋体",12,QFont::Bold);

        painter2.setFont(font);

        painter2.drawText(rect1,Qt::AlignCenter,str);

    }

    else

    {

        QPainter painter1(ui->label_percent);

        painter1.setPen(QPen(QColor(WHITE),1.5));

        QRect rect1(1,3,36,20);

        painter1.drawRect(rect1);

        QPainter painter2(ui->label_percent);

        painter2.setPen(QPen(QColor(YELLOW),1.5));

        QString str = QString::number(num_Percent,10);

        QFont font("宋体",12,QFont::Bold);

        painter2.setFont(font);

        painter2.drawText(rect1,Qt::AlignCenter,str);

    }

}

百分比代码

.h.

#ifndef CONTROL_PERCENT_H

#define CONTROL_PERCENT_H

#include <QWidget>

#include <QPainter>

#define GREEN 0,255,0

#define WHITE 255,255,255

namespace Ui {

class Control_Percent;

}

class Control_Percent : public QWidget

{

    Q_OBJECT

public:

    explicit Control_Percent(QWidget *parent = 0);

    ~Control_Percent();

    void set_Percent(int temp);

private:

    void draw_Percent();

    bool eventFilter(QObject *temp1, QEvent *temp2);

private:

    Ui::Control_Percent *ui;

    int num_Percent;

};

#endif // CONTROL_PERCENT_H

cpp

#include "control_percent.h"

#include "ui_control_percent.h"

Control_Percent::Control_Percent(QWidget *parent) :

    QWidget(parent),

    ui(new Ui::Control_Percent)

{

    ui->setupUi(this);

    num_Percent = 0;

    ui->label_percent->installEventFilter(this);

}

Control_Percent::~Control_Percent()

{

    delete ui;

}

void Control_Percent::set_Percent(int temp)

{

    num_Percent = temp;

}

void Control_Percent::draw_Percent()

{

    QPainter painter1(ui->label_percent);

    painter1.setPen(QPen(QColor(WHITE),1.5));

    QRect rect1(1,3,36,20);

    painter1.drawRect(rect1);

    QPainter painter2(ui->label_percent);

    painter2.setPen(QPen(QColor(GREEN),1.5));

    QString str = QString::number(num_Percent,10);

    QFont font("宋体",12,QFont::Bold);

    painter2.setFont(font);

    painter2.drawText(rect1,Qt::AlignCenter,str);

}

bool Control_Percent::eventFilter(QObject *temp1, QEvent *temp2)

{

    if((temp1 == ui->label_percent)&&temp2->type() == QEvent::Paint)

    {

        draw_Percent();

    }

}

剩下的其它小部分代码

界面初始化部分代码

void MainWidget::set_Form_down(int temp)

{

    switch (temp) {

    case 0:

    {

        if(ui->widget_Form_Down->isHidden())

        {

            ui->widget_Form_Down->show();

        }

        else

        {

            ui->label_Form_Down_Plane->setStyleSheet("border-image:url(:/Form_Down/Source/Form_Down/F22.png)");

            if(engine_left == NULL)

            {

                engine_left = new Control_Engine(ui->widget_Form_Down,LEFT);

                engine_left->setGeometry(17,20,120,80);

            }

            if(engine_right == NULL)

            {

                engine_right = new Control_Engine(ui->widget_Form_Down,RIGHT);

                engine_right->setGeometry(180,20,120,80);

            }

            //            QPalette palette;

            //            palette.setColor(QPalette::WindowText,Qt::red);

            //            ui->label_ENG->setPalette(palette);

            //            QFont font;

            //            font.setPointSize(12);

            //            ui->label_ENG->setFont(font);

            //            ui->label_ENG->setText("TEST");

            //            ui->label_ENG->setAlignment(Qt::AlignCenter);

            if(percent1 == NULL)

            {

                percent1 = new Control_Percent(ui->widget_Form_Down);

                percent1->setGeometry(30,170,50,26);

                percent1->set_Percent(50);                      //test

            }

            if(percent2 == NULL)

            {

                percent2 = new Control_Percent(ui->widget_Form_Down);

                percent2->setGeometry(245,170,50,26);

                percent2->set_Percent(50);                      //test

            }

            if(percent3 == NULL)

            {

                percent3 = new Control_Percent(ui->widget_Form_Down);

                percent3->setGeometry(30,240,50,26);

                percent3->set_Percent(50);                      //test

            }

            if(percent4 == NULL)

            {

                percent4 = new Control_Percent(ui->widget_Form_Down);

                percent4->setGeometry(245,240,50,26);

                percent4->set_Percent(50);                      //test

            }

        }

        break;

    }

    case 1:

        ui->widget_Form_Down->hide();

        break;

    default:

        break;

    }

}

绘制其它部分代码

void MainWidget::draw_Gun()

{

    QPainter painter1(ui->label_GUN);

    painter1.setPen(QPen(QColor(WHITE),1.5));

    QRect rect1(1,3,76,22);

    painter1.drawRect(rect1);

    QPainter painter2(ui->label_GUN);

    painter2.setPen(QPen(QColor(GREEN),1.5));

    QString str = "GUN "+QString::number(num_GUN,10);

    QFont font("宋体",12,QFont::Bold);

    painter2.setFont(font);

    painter2.drawText(rect1,Qt::AlignCenter,str);

}

void MainWidget::draw_Information()

{

    QPainter painter1(ui->label_Information);

    painter1.setPen(QPen(QColor(WHITE),1.5));

    QRect rect1(1,3,118,45);

    QRect rect2(1,3,118,24);

    QRect rect3(1,24,118,24);

    painter1.drawRect(rect1);

    QPainter painter2(ui->label_Information);

    painter2.setPen(QPen(QColor(WHITE),1.5));

    QString str = "BAY DOORS";

    QFont font("宋体",12,QFont::Bold);

    painter2.setFont(font);

    painter2.drawText(rect2,Qt::AlignCenter,str);

    QPainter painter3(ui->label_Information);

    if(BAY_DOORS == "CLOSED")

    {

        painter3.setPen(QPen(QColor(GREEN),1.5));

    }

    else

    {

        painter3.setPen(QPen(QColor(RED),1.5));

    }

    QFont font1("宋体",12,QFont::Bold);

    painter3.setFont(font1);

    painter3.drawText(rect3,Qt::AlignCenter,BAY_DOORS);

}

void MainWidget::draw_Bay()

{

    QPainter painter(ui->label_BAY);

    QRect rect1(0,0,30,16);

    if(BAY_DOORS == "CLOSED")

    {

        painter.setPen(QPen(QColor(GREEN),1.5));

    }

    else

    {

        painter.setPen(QPen(QColor(RED),1.5));

    }

    QString str = "BAY";

    QFont font("宋体",12,QFont::Bold);

    painter.setFont(font);

    painter.drawText(rect1,Qt::AlignCenter,str);

}

Qt 飞机仪表显示的更多相关文章

Qt自适应大小显示图片，添加菜单
由于后面的图像处理需要UI,OpenCV自带也不怎么会,MFC实在懒得学的.听同学说Qt不错,就用Qt做UI了. 本文主要介绍三个内容:在Qt Creator中使用OpenCV2.Qt中自适应显示图片 ...
Qt全屏显示窗口、子窗口的相关函数
Qt全屏显示函数 window.showFullScreen() Qt最大化显示函数 window.showMaximized() Qt最小化显示函数 ...
Qt支持中文显示
Qt支持中文显示<1>.在代码中添加以下代码 QTextCodec* codec = QTextCodec::codecForLocale(); if (codec != NULL) { ...
QT+OpenGL读取显示图片，OpenGL在QT里的刷新问题（好几篇）
GLuint readImage(char *filename){ GLuint tex_id; GLint alignment; QImage tex, buf; buf.load ...
Qt 让Label显示图片并把图片居中
Qt 让Label显示图片并把图片居中 QPixmap image("./13.jpg"); QPixmap fitpixmap=image.scaled(ui->lab ...
Qt 汽车仪表再次编写，Widget，仪表显示，绘制界面
感谢某网友提供UI让我练练手,上目前的效果还在晚上,代码等后面在贴出来,就是出来显摆一下
QT的QWebView显示网页不全
最近使用QWebView控件遇到一个问题,就是无论窗口多大,网页都显示那么大,而且,显示不完全,有滚动条试过使用showMaximized()方法, 还是一样,网上一直说是布局问题,也没说清楚是虾米 ...
Qt通过QToolTip显示浮动信息
QToolTip类的应用十分简单,其QToolTip类中全都是静态方法,如果要显示浮动信息的话使用该函数即可: void QToolTip::showText ( const QPoint & ...
【转】发布的QT程序无法显示图标和图片的问题
在windows下编译好的QT程序在其他没有安装QT的机器上会出现图标和图片无法正常显示的问题. 这时我们可以通过以下方式来解决: 在release文件夹里创建plugins文件夹,并将QT安装目录下 ...

随机推荐

【luogu P3952 时间复杂度】题解
对于2017 D1 T2 这道题实实在在是个码力题,非常考验耐心. 其实大体的思路并不是非常难想出来,但是要注意的小细节比较多. 题目链接:https://www.luogu.org/problem ...
Laravel5 打印SQL
在src/Illuminate/Database/Connection.php里打印SQL默认是关闭的,见https://github.com/laravel/framework/commit/e0a ...
js中实现页面跳转（返回前一页、后一页）
一:JS 重载页面,本地刷新,返回上一页代码如下: <a href="javascript:history.go(-1)">返回上一页</a> <a ...
Jedis连接redis客户端
1 单点的redis利用jedis客户端连接如何连接 //1 利用jedis连接对象操作redis @Test public void test01(){ //构造一个具有连接信息的jedis对象 ...
CentOS 7 安装oracle 11.2.0.4 Error in invoking target 'agent nmhs' of makefile
%86时出现报错 Error in invoking target 'agent nmhs' of makefile 解决方案在makefile中添加链接libnnz11库的参数修改$ORACLE ...
mysql快速导入导出数据
--导入 select * from inhos_genoperation(表名) where UPLOAD_ORG_CODE='***' into outfile '/tmp/inhos_genop ...
BigDecimal运算（加、减、乘、除）
public class BigDecimalOperation { private BigDecimalOperation(){ } public static BigDecimal add(dou ...
Flask中对MySQL的基本操作
在Flask-SQLAlchemy中,插入.修改.删除操作,均由数据库会话管理. 会话用 db.session 表示.在准备把数据写入数据库前,要先将数据添加到会话中然后调用 commit() 方法提 ...
第一个python代码
# -*- coding:utf-8 -*- user = raw_input("请输入用户名") passwd = raw_input("请输入密码") if ...
Kubernetes-运维指南
Node隔离与恢复 cat unschedule_node.yaml apiVersion: kind: Node metadata: name: k8s-node-1 labels: kuberne ...

Qt 飞机仪表显示

Qt 飞机仪表显示的更多相关文章

随机推荐

热门专题