DeviceCenter/utils/VehicleUtil.cs

using log4net;
using System;
using System.IO;
using System.Runtime.InteropServices;

namespace DeviceCenter
{
    class VehicleUtil
    {
        public static readonly ILog log = LogManager.GetLogger("CamTool");

        public static string getVehicleType(byte type)
        {
            string vehicleType = "";
            switch (type)//车辆类型
            {
                case 0:
                    {
                        vehicleType = "未知车型";
                        break;
                    }

                case 1:
                    {
                        vehicleType = "大型车";
                        break;
                    }
                case 2:
                    {
                        vehicleType = "中型车";
                        break;
                    }
                case 3:
                    {
                        vehicleType = "小型车";
                        break;
                    }
                case 4:
                    {
                        vehicleType = "摩托车";
                        break;
                    }
                case 5:
                    {
                        vehicleType = "行人";
                        break;
                    }
                default:
                    {
                        vehicleType = "未知车型";
                        break;
                    }
            }
            return vehicleType;
        }

        public static string getColor(byte color)
        {
            string vehicleColor = "";
            switch (color)//车牌颜色
            {
                case 0:
                    vehicleColor = "蓝色";
                    break;
                case 1:
                    vehicleColor = "黄色";
                    break;
                case 2:
                    vehicleColor = "白色";
                    break;
                case 3:
                    vehicleColor = "黑色";
                    break;
                case 5:
                    vehicleColor = "绿色";
                    break;
                case 6:
                    vehicleColor = "黄绿";
                    break;
                case 4:
                default:
                    vehicleColor = "未识别";
                    break;
            }
            return vehicleColor;
        }

        public static string savePanoramaPic(string parentDir, ref CarCamSDK.T_PicInfo tPicInfo, int type)
        {
            string strImageFile1 = null;
            string strTime = DateTime.Now.ToLocalTime().ToString("yyyy-MM-dd_HH_mm_ss_fff");
            if ((type == 1 && tPicInfo.ptPanoramaPicBuff != IntPtr.Zero && tPicInfo.uiPanoramaPicLen != 0) ||
                (type == 2 && tPicInfo.ptVehiclePicBuff != IntPtr.Zero && tPicInfo.uiVehiclePicLen != 0))
            {
                try
                {
                    log.Info("图片1：" + strImageFile1);
                    byte[] BytePanoramaPicBuff = new byte[type == 1 ? tPicInfo.uiPanoramaPicLen : tPicInfo.uiVehiclePicLen];
                    Marshal.Copy(type == 1 ? tPicInfo.ptPanoramaPicBuff : tPicInfo.ptVehiclePicBuff, BytePanoramaPicBuff, 0,
                        (int)(type == 1 ? tPicInfo.uiPanoramaPicLen : tPicInfo.uiVehiclePicLen));
                    strImageFile1 = String.Format("{0}\\{1}.jpg", parentDir, strTime);
                    FileStream fs = new FileStream(strImageFile1, FileMode.Create, FileAccess.Write | FileAccess.Read, FileShare.None);
                    fs.Write(BytePanoramaPicBuff, 0, (int)(type == 1 ? tPicInfo.uiPanoramaPicLen : tPicInfo.uiVehiclePicLen));
                    //pictureBoxPlate.Image = Image.FromStream(fs);
                    fs.Close();
                    fs.Dispose();
                }
                catch (Exception e)
                {
                    strImageFile1 = null;
                    log.Error("写入图片出错", e);
                }
            }
            return strImageFile1;
        }
    }
}