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

3大框架Struts、Hibernate、Spring简单了解
3大框架:Struts.Hibernate.Spring 基本概念:Spring/Struts/Hibernate是干嘛用的? 三个框架产生的技术历史背景学习前首先应该掌握的基础知识学习一个开发框 ...
Nodejs做整站转发
刚接触nodejs,做个东西练下手,通过nodejs直接转发整站,原本想把内容全翻译成英文,但google对流量行审查,被封IP,所以就没啥用了, 效果像这样 var b = function (a, ...
vue组件原生事件以及路由
1.组件组件就是可以扩展HTML元素,封装可重用的HTML代码,可以将组件看作自定义的HTML元素 1.1组件注册全局注册: 组件注册时,需要给他一个名字,如下: Vue.component('m ...
Django-rest-framework（四）router
在上一节viewsets中,我们提到了route的方式使用,在这一节,我们将仔细介绍drf 的router机制.简单来说,router的作用就是将viewset对象的url映射关系提取出来. 简单使用 ...
ajax 全局拦载处理，可加密、过滤、筛选、sql防注入处理
//此方法放在公用的js里面即可.如此:所有的ajax请求都会通过此 $.ajaxSetup({ contentType: "application/x-www-form-urlencode ...
Centos6.9 安装Oracle11gR2
最近在学习怎么安装Centos,在Centos6.9版本安装Oracle数据库.参考了网络上很多文章,终于可以不报错的完成安装了,在这里记录一下一.需要用到的安装文件 Centos6.9 ps: ...
使用js获取表单元素的值
function getParams(formName) { var frmMain = document.getElementById(formName)?document.getElementBy ...
c# 常用数据库封装
我不为大家贴代码了,没有意思,有点多,我主要给大家介绍一下,源码会上传CSDN和GIT:我定义了一个ADO.NET操作接口,所有按照接口封装 1.sqlite数据库(需要SQLite.Interop. ...
SmallMQ实现发布
最近一直学习,主要处理java的分布式,MQ,RPC,通信,数据库,缓存等方向. 一般现在的MQ都是企业级的,庞大,功能齐全.最主要是代码量大,对于我们这些小程序员而言,太大,修改困难,修复更加困难, ...
@font-face css3自定义个性化字体
使用第三方平台转换字体文件为font-face所支持的格式. TureTpe(.ttf)格式支持浏览器:IE9+,Firefox3.5+,Chrome4+,Safari3+,Opera10+,iOS ...

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