/// <summary>
/// 保存车牌小图:大华早期交通抓拍机，设备不传单独的车牌小图文件，只传车牌在大图中的坐标；由应用来自行裁剪。2014年后，陆续有设备版本，支持单独传车牌小图，小图附录在pBuffer后面。
/// </summary>
/// <param name="plateObj">分析物</param>
/// <param name="pBuffer">数据偏移</param>
/// <param name="buf">图片数据</param>
/// <returns>保存路径</returns>
public string SavePlateJpg(DH_MSG_OBJECT plateObj, IntPtr pBuffer, byte[] buf)
{
if ((plateObj.bPicEnble == 1)) //根据pBuffer中数据偏移保存小图图片文件
{
// 记录车牌小图文件
if (plateObj.stPicInfo.dwFileLenth > 0)
{
byte[] bufs = new byte[plateObj.stPicInfo.dwFileLenth];
// Marshal.
IntPtr pSmapic = (IntPtr)(pBuffer.ToInt32() + (int)(plateObj.stPicInfo.dwOffSet));
Marshal.Copy(pSmapic, bufs, 0, bufs.Length);
string dir = TempFolderManager.GetCurrentFolder();
string sfile = Path.Combine(dir, @"PlateNumber_" + Guid.NewGuid().ToString() + ".jpg");
using (System.IO.FileStream fs = System.IO.File.Create(sfile))
{
fs.Write(bufs, 0, bufs.Length);
fs.Close();
}
return(sfile);
}
}
else //根据大图中的坐标偏移计算显示车牌小图
{
if (plateObj.BoundingBox.bottom == 0 && plateObj.BoundingBox.top == 0)
{
return(string.Empty);
}
DH_RECT dhRect = plateObj.BoundingBox;
//1.BoundingBox的值是在8192*8192坐标系下的值，必须转化为图片中的坐标
//2.OSD在图片中占了64行,如果没有OSD，下面的关于OSD的处理需要去掉(把OSD_HEIGHT置为0)
const int OSD_HEIGHT = 64;
const int HIMETRIC_INCH = 2540;
System.IO.MemoryStream memo = new System.IO.MemoryStream(buf);
Image im = Image.FromStream(memo);
long nWidth = im.Width;
long nHeight = im.Height;
//此处有会引起Error creating window handle错误，而且句柄创建后也没有使用，所以这里注销了 by Jan 2015-05-25
//System.Windows.Forms.Panel p = new System.Windows.Forms.Panel();
//System.Drawing.Graphics g = System.Drawing.Graphics.FromHwnd(p.Handle);
//IntPtr hdc = g.GetHdc();
nHeight = nHeight - OSD_HEIGHT;
if ((nWidth <= 0) || (nHeight <= 0))
{
return(string.Empty);
}
DH_RECT dstRect = new DH_RECT();
dstRect.left = (int)Math.Ceiling(((double)(nWidth * dhRect.left)) / 8192.0);
dstRect.right = (int)Math.Ceiling((double)(nWidth * dhRect.right) / 8192.0);
dstRect.bottom = (int)Math.Ceiling((double)(nHeight * dhRect.bottom) / 8192.0);
dstRect.top = (int)Math.Ceiling((double)(nHeight * dhRect.top) / 8192.0);
int x = (int)((double)dstRect.left);
int y = (int)((double)(dstRect.top + OSD_HEIGHT));
int w = (int)((double)(dstRect.right - dstRect.left));
int h = (int)((double)(dstRect.bottom - dstRect.top));
Bitmap bi = (Bitmap)im.Clone();
Rectangle rect = new Rectangle(x, y, w, h);
Bitmap carIM = bi.Clone(rect, bi.PixelFormat);
string dir = TempFolderManager.GetCurrentFolder();
string sfile = Path.Combine(dir, @"PlateNumber_" + Guid.NewGuid().ToString() + ".jpg");
carIM.Save(sfile);
return(sfile);
}
return(string.Empty);
}
/// <summary>
/// 获取识别对象 车身对象 事件发生时间 车道号等信息
/// </summary>
/// <param name="dwAlarmType"></param>
/// <param name="pAlarmInfo"></param>
/// <returns></returns>
public bool GetStuObject(UInt32 dwAlarmType, IntPtr pAlarmInfo, out DH_MSG_OBJECT stuObj, out DH_MSG_OBJECT vehicleObj, out NET_TIME_EX outUTC, out int outlane, out string strMsg)
{
DH_MSG_OBJECT msg = new DH_MSG_OBJECT();
DH_MSG_OBJECT veahcile = new DH_MSG_OBJECT();
NET_TIME_EX utc = new NET_TIME_EX();
int lane = 0;
DH_EVENT_FILE_INFO fileinfo = new DH_EVENT_FILE_INFO();
string EventMsg = "未定义事件";
if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFICGATE)
{
DEV_EVENT_TRAFFICGATE_INFO Info = new DEV_EVENT_TRAFFICGATE_INFO();
Info = (DEV_EVENT_TRAFFICGATE_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFICGATE_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "交通卡口事件";
}
else if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFICJUNCTION)
{
DEV_EVENT_TRAFFICJUNCTION_INFO Info = new DEV_EVENT_TRAFFICJUNCTION_INFO();
Info = (DEV_EVENT_TRAFFICJUNCTION_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFICJUNCTION_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "交通路口事件";
}
else if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFIC_RUNREDLIGHT)
{
DEV_EVENT_TRAFFIC_RUNREDLIGHT_INFO Info = new DEV_EVENT_TRAFFIC_RUNREDLIGHT_INFO();
Info = (DEV_EVENT_TRAFFIC_RUNREDLIGHT_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFIC_RUNREDLIGHT_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "交通违章-闯红灯事件";
}
else if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFIC_TURNLEFT)
{
DEV_EVENT_TRAFFIC_TURNLEFT_INFO Info = new DEV_EVENT_TRAFFIC_TURNLEFT_INFO();
Info = (DEV_EVENT_TRAFFIC_TURNLEFT_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFIC_TURNLEFT_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "交通违章-违章左转";
}
else if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFIC_TURNRIGHT)
{
DEV_EVENT_TRAFFIC_TURNRIGHT_INFO Info = new DEV_EVENT_TRAFFIC_TURNRIGHT_INFO();
Info = (DEV_EVENT_TRAFFIC_TURNRIGHT_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFIC_TURNRIGHT_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "交通违章-违章右转";
}
else if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFIC_OVERSPEED)
{
DEV_EVENT_TRAFFIC_OVERSPEED_INFO Info = new DEV_EVENT_TRAFFIC_OVERSPEED_INFO();
Info = (DEV_EVENT_TRAFFIC_OVERSPEED_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFIC_OVERSPEED_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "交通违章-超速";
}
else if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFIC_UNDERSPEED)
{
DEV_EVENT_TRAFFIC_UNDERSPEED_INFO Info = new DEV_EVENT_TRAFFIC_UNDERSPEED_INFO();
Info = (DEV_EVENT_TRAFFIC_UNDERSPEED_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFIC_UNDERSPEED_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "交通违章-低速";
}
else if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFIC_MANUALSNAP)
{
DEV_EVENT_TRAFFIC_MANUALSNAP_INFO Info = new DEV_EVENT_TRAFFIC_MANUALSNAP_INFO();
Info = (DEV_EVENT_TRAFFIC_MANUALSNAP_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFIC_MANUALSNAP_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "交通手动抓拍事件";
}
else if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFIC_PARKING)
{
DEV_EVENT_TRAFFIC_PARKING_INFO Info = new DEV_EVENT_TRAFFIC_PARKING_INFO();
Info = (DEV_EVENT_TRAFFIC_PARKING_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFIC_PARKING_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "交通违章停车";
}
else if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFIC_PARKINGSPACENOPARKING)
{
DEV_EVENT_TRAFFIC_PARKINGSPACENOPARKING_INFO Info = new DEV_EVENT_TRAFFIC_PARKINGSPACENOPARKING_INFO();
Info = (DEV_EVENT_TRAFFIC_PARKINGSPACENOPARKING_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFIC_PARKINGSPACENOPARKING_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "车位无车事件";
}
else if (dwAlarmType == EventIvs.EVENT_IVS_TRAFFIC_PARKINGSPACEPARKING)
{
DEV_EVENT_TRAFFIC_PARKINGSPACEPARKING_INFO Info = new DEV_EVENT_TRAFFIC_PARKINGSPACEPARKING_INFO();
Info = (DEV_EVENT_TRAFFIC_PARKINGSPACEPARKING_INFO)Marshal.PtrToStructure(pAlarmInfo, typeof(DEV_EVENT_TRAFFIC_PARKINGSPACEPARKING_INFO));
stuObj = Info.stuObject;
vehicleObj = Info.stuVehicle;
outUTC = Info.UTC;
outlane = Info.nLane;
fileinfo = Info.stuFileInfo;
EventMsg = "车位有车事件";
}
else
{
stuObj = msg;
vehicleObj = veahcile;
outUTC = utc;
outlane = 0;
EventMsg = "未处理事件dwAlarmType = " + dwAlarmType.ToString();
}
if (!EventMsg.Contains("未处理事件"))
{
EventMsg = EventMsg + ";组编号GroupID = " + fileinfo.nGroupId + ";图片组总数bount = " + fileinfo.bCount + ";当前图片序号bIndex=" + fileinfo.bIndex;
try
{
//车牌
string platenumber = Encoding.GetEncoding("gb2312").GetString(stuObj.szText);
string[] plate = platenumber.Split('\0');
if (plate.Length > 0)
{
EventMsg += ";车牌号 = " + plate[0];
}
//车标
string strType = Encoding.GetEncoding("gb2312").GetString(vehicleObj.szText);
string[] vechitypes = strType.Split('\0');
if (vechitypes.Length > 0)
{
// "Unknown"未知
// "Audi" 奥迪
// "Honda" 本田
// "Buick" 别克
// "Volkswagen" 大众
// "Toyota" 丰田
// "BMW" 宝马
// "Peugeot" 标致
// "Ford" 福特
// "Mazda" 马自达
// "Nissan" 尼桑
// "Hyundai" 现代
// "Suzuki" 铃木
// "Citroen" 雪铁龙
// "Benz" 奔驰
// "BYD" 比亚迪
// "Geely" 吉利
// "Lexus" 雷克萨斯
// "Chevrolet" 雪佛兰
// "Chery" 奇瑞
// "Kia" 起亚
// "Charade" 夏利
// "DF" 东风
// "Naveco" 依维柯
// "SGMW" 五菱
// "Jinbei" 金杯
if (!vechitypes[0].Equals(""))
{
EventMsg += ";车标 = " + vechitypes[0];
}
}
}
catch
{
;
}
finally
{
;
}
}
strMsg = EventMsg;
return(true);
}
/// <summary>
/// 开始智能交通设备实时上传--回调
/// </summary>
/// <param name="lAnalyzerHandle"></param>
/// <param name="dwAlarmType"></param>
/// <param name="pAlarmInfo"></param>
/// <param name="pBuffer"></param>
/// <param name="dwBufSize"></param>
/// <param name="dwUser"></param>
/// <param name="nSequence"></param>
/// <param name="reserved"></param>
/// <returns></returns>
private int AnalyzerDataCallBackEvent(Int32 lAnalyzerHandle, UInt32 dwAlarmType, IntPtr pAlarmInfo, IntPtr pBuffer, UInt32 dwBufSize, UInt32 dwUser, Int32 nSequence, IntPtr reserved)
{
if (dwBufSize == 0)
{
return(1);
}
try
{
CarPlateDevice device = _Devices.SingleOrDefault(d => d.m_nRealLoadPic == lAnalyzerHandle);
if (device != null)
{
// 记录文件
byte[] buf = new byte[dwBufSize];
Marshal.Copy(pBuffer, buf, 0, (int)dwBufSize);
DH_MSG_OBJECT plateObj = new DH_MSG_OBJECT();
DH_MSG_OBJECT VehicleObj = new DH_MSG_OBJECT();
NET_TIME_EX utc = new NET_TIME_EX();
int lane = 0;
string strMsg;
bool bret = DaHuaSDKManager.GetInstance().GetStuObject(dwAlarmType, pAlarmInfo, out plateObj, out VehicleObj, out utc, out lane, out strMsg);
device.ResetResult();
if (plateObj.szText != null)
{
device.CarPlate = Encoding.GetEncoding("gb2312").GetString(plateObj.szText);
}
if (!string.IsNullOrEmpty(device.CarPlate))
{
device.CarPlate = device.CarPlate.TrimEnd('\0'); //去除结束符\0
}
device.EventDateTime = DateTime.Now;
if (plateObj.bColor == 1)
{
device.PlateColor = DaHuaSDKManager.GetInstance().GetColorString(plateObj.rgbaMainColor);
}
if (VehicleObj.bColor == 1)
{
device.CarColor = DaHuaSDKManager.GetInstance().GetColorString(VehicleObj.rgbaMainColor);
}
device.Lane = lane;
try
{
device.DeviceSnapTime = new DateTime((int)utc.dwYear, (int)utc.dwMonth, (int)utc.dwDay, (int)utc.dwHour, (int)utc.dwMinute, (int)utc.dwSecond, (int)utc.dwMillisecond);
}
catch { }
device.SnapPath = DaHuaSDKManager.GetInstance().SaveSnapImage(buf);
device.PlatePath = DaHuaSDKManager.GetInstance().SavePlateJpg(plateObj, pBuffer, buf);
foreach (DataGridViewRow row in dataGridView1.Rows)
{
CarPlateDevice d = row.Tag as CarPlateDevice;
if (d != null)
{
if (d.m_nRealLoadPic == device.m_nRealLoadPic)
{
ShowItemOnRow(device, row);
}
}
}
if (_ActiveDevice != null && _ActiveDevice.m_nRealLoadPic == device.m_nRealLoadPic)
{
ShowCarPlateInfo(device);
}
}
}
catch (Exception ex)
{
Ralid.GeneralLibrary.ExceptionHandling.ExceptionPolicy.HandleException(ex);
}
return(1);
}
