carform.cs

gps

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using GPSClassLibrary;

namespace GPSGuider
{
    /*  整图 640*480     车 228*144, loca:208, 268 */

    public partial class CarForm : Form
    {
        string InitFilePath = @"initial.ini";
        static readonly Rectangle picRect = new Rectangle(203, 268, 228, 144);  // 图像矩形
        PointF curRealPoint = new PointF(100.0f, 100.0f);
        #region 变量
        // 本车的名字
        string m_name = "闽C3566";
        // 图像缓存,背景
        private Bitmap m_backBmp = new Bitmap(640, 480);

        // 图像设备
        private Graphics m_myGraphic = null;
        private Graphics m_backGraphic = null;    // backBmp的图像设备

        private int m_angle = 0;  // 指定哪个角度
        private int m_curMap = 0;   // 指向哪个地图

        // 属性变量

        private int m_carSpeed = 50;   // 速度
        private int ispeed = 50;
        private int m_carAngle = 0; // 车在地图上的角度

        private double m_lati = 0;  // 经度
        private GPSClassLibrary.LatitudeType m_latiType = GPSClassLibrary.LatitudeType.North;
        private double m_long = 0;  // 纬度
        private GPSClassLibrary.LongitudeType m_longType = GPSClassLibrary.LongitudeType.West;
        private double m_high = 100;  // 高度

        private byte m_status = 0;  // Gps控制属性

        // 汽车信息
        float m_enginTemperature = 0.0f;// 引擎温度
        float m_oilSurplus = 100;// 剩余油量
        int m_heaviyness = 2000; // 负重量

        // 地图窗口
        MapForm mapform;
        // 传输类
        GPSComport gpscomport;

        // 发送日志
        Log SendLog = new Log("SendLog");
        // 接收日志
        Log ReceiveLog = new Log("ReceiveLog");
        #endregion

        public CarForm()
        {
            InitializeComponent();
            this.ClientSize = new Size(640, 600); // 窗体大小

            // 资源初始化
            new global::GPSGuider.Properties.Resources();

            // 事件
            this.KeyDown += new KeyEventHandler(Form1_KeyDown);
            this.KeyUp += new KeyEventHandler(Form1_KeyUp);
            this.timer1.Tick += new EventHandler(timer1_Tick);
            this.timer1.Interval = 80;


            // 图像设备
            m_angle = global::GPSGuider.Properties.Resources.car.Length / 2;

            m_myGraphic = this.CreateGraphics();
            m_backGraphic = Graphics.FromImage(m_backBmp);
            if (m_myGraphic == null || m_backGraphic == null)
            {
                MessageBox.Show("图像设备建立失败");
                Application.Exit();
            }

            CarDisplay();
        }

        // 汽车绘图事件
        private void CarDisplay()
        {
            // 车的属性
            //System.Globalization.NumberFormatInfo provider = new System.Globalization.NumberFormatInfo( );
            //provider.NumberDecimalDigits = 2;
            if (timer1.Enabled==false)
            {
                label_speed.Text = "0";
                ispeed = 50;
            }
            else
            {
                if (ispeed == -30)
                    label_speed.Text = "0";
                else
                {
                    label_speed.Text = ispeed.ToString();
                }
            }
            label_lati.Text = Math.Round(m_lati,3).ToString() + ((char)m_latiType).ToString();
            label_long.Text = Math.Round(m_long, 3).ToString() + ((char)m_longType).ToString();
            label_high.Text = Math.Round(m_high,3).ToString();
            // 车辆状态
            label_status.Text = "";
            if ((m_status & 0x07) == 0)
                label_status.Text = "正常";
            else
            {
                if ((m_status & 0x01) != 0) label_status.Text += "被指令关引擎 ";
                if ((m_status & 0x02) != 0) label_status.Text += "被指令锁车匙 ";
                if ((m_status & 0x04) != 0) label_status.Text += "被指令断油 ";
            }

            // 背景
            m_backGraphic.DrawImage(global::GPSGuider.Properties.Resources.road[m_curMap], 0, 0);

            // 作图开始
            System.Drawing.Drawing2D.GraphicsContainer container = m_backGraphic.BeginContainer();    // 嵌套新容器
            m_backGraphic.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
            // 显示区域
            if (!picRect.IsEmpty)
                m_backGraphic.SetClip(picRect, System.Drawing.Drawing2D.CombineMode.Intersect);   // 组合两个显示区域

            m_backGraphic.DrawImage(global::GPSGuider.Properties.Resources.car[m_angle], picRect.X, picRect.Y);

            // 作图结束
            m_backGraphic.EndContainer(container);    // 容器还原

            m_myGraphic.DrawImage(m_backBmp, 0, 0);
        }

        // 键盘事件
        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {

            switch (e.KeyCode)
            {
                case Keys.Up:
                    m_angle = 4;
                    // 加速
                    m_carSpeed -= 40;
                    ispeed += 40;
                    if (ispeed > 180) ispeed = 170;
                    if (m_carSpeed < 20) m_carSpeed = 20;
                    // 重新计时
                    if (timer1.Enabled == true)
                    {
                        timer1.Stop();
                        timer1.Interval = m_carSpeed;
                        timer1.Start();
                    }
                    if (timer1.Enabled == false)
                    {
                        timer1.Interval = m_carSpeed;
                        timer1.Start();
                    }
                    break;
                case Keys.Right:
                    if (m_angle < global::GPSGuider.Properties.Resources.car.Length - 1) m_angle++; // 车的图片转动
                    Position(1);    // 车辆信息改变
                    break;
                case Keys.Left:
                    if (m_angle > 0) m_angle--;
                    Position(2);
                    break;
                case Keys.Down:
                    m_angle = 4;
                    // 减速

                    if (timer1.Enabled == true)
                    {
                        m_carSpeed += 40;
                        ispeed -=40;
                        if (m_carSpeed > 160)
                        {
                            m_carSpeed = 160;
                            
                        }
                        // 重新计时

                        timer1.Stop();
                        timer1.Interval = m_carSpeed;
                        if (m_carSpeed < 160) timer1.Start();
                    }
                    break;
            }
            CarDisplay();
        }

        private void Form1_KeyUp(object sender, KeyEventArgs e)
        {
            switch (e.KeyCode)
            {
                case Keys.Left:
                    m_angle = 4;
                    break;
                case Keys.Right:
                    m_angle = 4;
                    break;
                case Keys.D:
                case Keys.E:
                case Keys.R:
                case Keys.S:
                case Keys.L:
                    AlarmProcess(e.KeyCode);
                    break;
            }
            CarDisplay();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            // 是否停车
            if ((m_status & 0x07) != 0||ispeed<0)
            {
                timer1.Stop();
                m_carSpeed = 160;
                return;
            }
            m_curMap = (m_curMap + 1) % global::GPSGuider.Properties.Resources.road.Length;
            CarDisplay();
        }

        private void CarForm_Load(object sender, EventArgs e)
        {
            // 设置串口传输
            using (SettingsForm form = new SettingsForm())
            {
                form.Text = "客户端端口设置！";
                while (form.ShowDialog() == DialogResult.OK)
                {
                    gpscomport = new GPSClassLibrary.GPSComport(form.PortName, form.BaudRate, form.DataBits, form.StopBits, form.Parity);
                    if (!gpscomport.OpenPort())
                    {
                        MessageBox.Show("打开串口不成功,请重新设置", "提示");
                        continue;
                    }
                    else
                    {
                        break;
                    }
                }
                if (form.DialogResult == DialogResult.Cancel)
                    this.Dispose();
            }

            // 开时钟
            timer1.Enabled = true;
            timer2.Enabled = true;
            ReceiveTimer.Enabled = true;
            // 显示地图
            mapform = new MapForm();
            mapform.Text = "客户端地图";
            mapform.Show();
            // 读取初始定位
            ReadPositionInfo();
        }

        // 显示地图
        private void timer2_Tick(object sender, EventArgs e)
        {
            // 车的属性改变
            Position();

            mapform.SetMapPosition(this.m_lati, this.m_latiType, this.m_long, this.m_longType, this.m_high,label_speed.Text);

            GPPI gppi = new GPPI();

            gppi.GPSState = GPSState.Located;
            gppi.Height = m_high;
            gppi.Latitude = m_lati;
            gppi.LatitudeType = m_latiType;
            gppi.Longitude = m_long;
            gppi.LongitudeType = m_longType;
            gppi.MachineName = m_name;

            string str = gppi.ToString();
            gpscomport.SendData(str);
            SendLog.writeLog(str);
        }

        // 经纬变化规则
        private void Position()
        {
            double time = ((double)timer2.Interval / 1000.0);   // 经上次的时间
            double speed = (160 - m_carSpeed)/100;   // 当前车速

            double roadLong = speed * time; // 经的路长

            // 经纬度变换
            double lati = Math.Sin(m_carAngle / 180) * roadLong;    // 经度增量
            double Long = Math.Cos(m_carAngle / 180) * roadLong;    // 纬度增量


            /*                                  计算                                    */
            double lUnit = 4500/ 180;    // 每度lati的长度
            double rUnit = 5000 / 360;    // 每度long的长度

            // 纬度有变得情况
            if (m_carAngle != 0)
            {
                if (m_latiType == LatitudeType.North)
                {
                    // 向s行驶