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379 lines
9.3 KiB
379 lines
9.3 KiB
3 years ago
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using EC.AutoWeightServer.Center;
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using EC.AutoWeightServer.Model.Config;
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using EC.AutoWeightServer.Model.EventArgsEx;
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using EC.AutoWeightServer.SDK;
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using EC.Service.Transport;
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using EC.Utils;
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using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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namespace EC.AutoWeightServer.UI.UC
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{
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public partial class UCLicensePlate : UserControl
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{
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#region SDK 变量
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/// <summary>
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/// 相机 IP
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/// </summary>
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private string _ip;
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/// <summary>
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/// 相机 _port
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/// </summary>
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private ushort _port;
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private string _username;
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private string _password;
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/// <summary>
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/// 相机操作句柄
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/// </summary>
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private int _deviceHandle = 0;
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/// <summary>
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/// 相机播放句柄
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/// </summary>
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private int _playHandle = 0;
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private VzClientSDK.VZLPRC_PLATE_INFO_CALLBACK PlateResultCB { get; set; } = null;
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#endregion SDK 变量
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public UCLicensePlate()
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{
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InitializeComponent();
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}
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#region init & close
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public void InitForm(string ip, ushort port, string username, string password)
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{
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VzClientSDK.VzLPRClient_Setup();
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_ip = ip;
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_port = port;
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_username = username;
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_password = password;
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}
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/// <summary>
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/// 关闭
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/// </summary>
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public void CloseForm()
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{
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timeAuto.Enabled = false;
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_ip = string.Empty;
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_port = 0;
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_username = string.Empty;
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_password = string.Empty;
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ClosePlayHandle();
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CloseDeviceHandle();
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VzClientSDK.VzLPRClient_Cleanup();
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}
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#endregion init & close
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#region 组件操作响应事件
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private void Btn_Man_Click(object sender, EventArgs e)
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{
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ForceTrigger();
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}
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/// <summary>
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/// 定时检测相机状态
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void TimAuto_Tick(object sender, EventArgs e)
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{
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if (!IsDeviceConnected())
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OpenDevice();
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if (!IsPlayConnected())
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OpenPlay();
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}
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#endregion 组件操作响应事件
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#region get & set
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public int GetDateTime()
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{
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var info = new VzClientSDK.VZ_DATE_TIME_INFO();
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var ret = VzClientSDK.VzLPRClient_GetDateTime(_deviceHandle, ref info);
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return ret;
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}
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public int SetDateTime()
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{
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return 1;
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}
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public void SetBtnManVisible(bool able)
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{
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this.btnMan.Visible = able;
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}
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#endregion get & set
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#region tool methods
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/// <summary>
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/// 打开相机连接
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/// </summary>
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/// <returns></returns>
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public bool OpenDevice()
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{
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_deviceHandle = OpenDeviceHandle();
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timeAuto.Enabled = true;
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if (!IsDeviceConnected())
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{
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LogUnit.Info("打开设备" + _ip + "失败");
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return false;
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}
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LogUnit.Info("打开设备" + _ip + "成功！");
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return OpenPlay();
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}
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/// <summary>
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/// 打开相机监控
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/// </summary>
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/// <returns></returns>
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private bool OpenPlay()
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{
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if (!IsDeviceConnected())
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return false;
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pictureBox.Image = null;
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SetVzClientCallBack(null, 0);
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ClosePlayHandle();
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_playHandle = OpenPlayHandle();
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PlateResultCB = new VzClientSDK.VZLPRC_PLATE_INFO_CALLBACK(OnPlateResult);
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SetVzClientCallBack(PlateResultCB, 1);
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timeAuto.Enabled = true;
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LogUnit.Info("开始读取车牌");
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return IsPlayConnected();
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}
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/// <summary>
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/// 返回相机操作句柄
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/// </summary>
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/// <returns></returns>
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private int OpenDeviceHandle()
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{
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return VzClientSDK.VzLPRClient_Open(_ip, _port, _username, _password);
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}
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/// <summary>
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/// 关闭相机操作句柄
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/// </summary>
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/// <returns></returns>
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private bool CloseDeviceHandle()
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{
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if (!IsDeviceConnected())
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return true;
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var ret = VzClientSDK.VzLPRClient_Close(_deviceHandle);
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if (!ret.Equals(0))
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return false;
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_deviceHandle = 0;
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return true;
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}
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/// <summary>
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/// 返回相机播放句柄
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/// </summary>
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/// <returns></returns>
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private int OpenPlayHandle()
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{
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if (!IsDeviceConnected())
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return 0;
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return VzClientSDK.VzLPRClient_StartRealPlay(_deviceHandle, pictureBox.Handle);
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}
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/// <summary>
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/// 停止相机播放句柄
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/// </summary>
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/// <returns></returns>
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private bool ClosePlayHandle()
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{
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if (!IsPlayConnected())
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return true;
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var ret = VzClientSDK.VzLPRClient_StopRealPlay(_playHandle);
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if (!ret.Equals(0))
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return false;
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_playHandle = 0;
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return true;
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}
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/// <summary>
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/// 手动识别
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/// </summary>
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/// <returns></returns>
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public bool ForceTrigger()
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{
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if (!IsDeviceConnected())
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return false;
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var ret = VzClientSDK.VzLPRClient_ForceTrigger(_deviceHandle);
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return ret.Equals(0);
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}
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/// <summary>
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/// 截图
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/// </summary>
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/// <returns></returns>
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public string GetPlatePic(string license)
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{
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if (!IsDeviceConnected() || !IsPlayConnected())
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return string.Empty;
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var path = PhotoService.GetSaveImagePath(license);
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var ret = VzClientSDK.VzLPRClient_GetSnapShootToJpeg2(_playHandle, path, 90);
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return ret.Equals(0) ? path : string.Empty;
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}
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/// <summary>
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/// func 识别结果回调函数
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/// bEnableImage 指定识别结果的回调是否需要包含截图信息：1为需要，0为不需要
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/// </summary>
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/// <param name="func"></param>
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/// <param name="bEnableImage"></param>
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/// <returns></returns>
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private bool SetVzClientCallBack(VzClientSDK.VZLPRC_PLATE_INFO_CALLBACK func, int bEnableImage)
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{
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if (!IsDeviceConnected())
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return false;
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var ret = VzClientSDK.VzLPRClient_SetPlateInfoCallBack(_deviceHandle, func, IntPtr.Zero, bEnableImage);
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return ret.Equals(0);
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}
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/// <summary>
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/// 获取相机连接状态，判断 _deviceHandle 是否有效
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/// </summary>
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/// <returns></returns>
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public bool IsDeviceConnected()
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{
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if (_deviceHandle == -1)
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return false;
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if (_deviceHandle <= 0)
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return false;
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byte stat = 0;
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var ret = VzClientSDK.VzLPRClient_IsConnected(_deviceHandle, ref stat);
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return (ret.Equals(0) && stat.Equals(1));
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}
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/// <summary>
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/// 获取相机播放状态，判断 _playHandle 是否有效
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/// </summary>
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/// <returns></returns>
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public bool IsPlayConnected()
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{
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if (!IsDeviceConnected())
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return false;
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if (_playHandle <= 0)
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return false;
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return true;
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}
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#endregion tool methods
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#region 向外暴露一个可以处理 抓获车牌结果 的委托
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/// <summary>
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/// 处理相机结果的回调事件
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/// </summary>
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/// <param name="handle"></param>
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/// <param name="pUserData"></param>
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/// <param name="pResult"></param>
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/// <param name="uNumPlates"></param>
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/// <param name="eResultType"></param>
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/// <param name="pImgFull"></param>
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/// <param name="pImgPlateClip"></param>
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/// <returns></returns>
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private int OnPlateResult(int handle, IntPtr pUserData, IntPtr pResult, uint uNumPlates,
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VzClientSDK.VZ_LPRC_RESULT_TYPE eResultType, IntPtr pImgFull, IntPtr pImgPlateClip)
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{
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//如果是实时识别结果，则return，需要稳定识别结果
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if (eResultType == VzClientSDK.VZ_LPRC_RESULT_TYPE.VZ_LPRC_RESULT_REALTIME)
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return -1;
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var result = (VzClientSDK.TH_PlateResult)Marshal.PtrToStructure(pResult, typeof(VzClientSDK.TH_PlateResult));
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var strLicense = new string(result.license).Replace("\0", "");
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var strColor = new string(result.color).Replace("\0", "");
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strLicense = PretreatPlate(strLicense);
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//判断识别车牌是否为正常车牌
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if (!CommonUtil.IsSuccessPlate(strLicense))
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return -1;
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//判断定时手动检测结果
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if (eResultType == VzClientSDK.VZ_LPRC_RESULT_TYPE.VZ_LPRC_RESULT_FORCE_TRIGGER)
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{
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var truck = ServiceCenter.TruckService.SelectEntityByWhere($"LicensePlate = '{strLicense}'");
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if (truck == null)
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return -1;
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}
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var path = PhotoService.GetSaveImagePath(strLicense);// strFilePath + fileName;
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VzClientSDK.VzLPRClient_ImageSaveToJpeg(pImgFull, path, 100);
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LogUnit.Info("车牌 " + strLicense + " " + strColor + " " + path);
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// 添加 向外暴露的 处理相机结果 的函数
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PlateCallBack(strLicense, strColor, path);
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return 0;
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}
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private void PlateCallBack(string plate, string platecolor, string filename)
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{
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PlateInfoCallBack?.Invoke(this, new PlateEventArgs(plate, platecolor, filename));
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}
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/// <summary>
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/// 一个可以处理 抓获车牌结果 的事件
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/// </summary>
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public event EventHandler<PlateEventArgs> PlateInfoCallBack; //定义一个委托类型的事件
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#endregion 向外暴露一个可以处理 抓获车牌结果 的委托
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#region Other
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/// <summary>
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/// 车牌预处理
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/// </summary>
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public string PretreatPlate(string oldPlate)
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{
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oldPlate = oldPlate.ToUpper();
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if (oldPlate.Length < 7)
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return oldPlate;
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var newPlate = oldPlate.Length > 7 ? oldPlate.Substring(0, 7) : oldPlate;
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if (ServerConfig.IsPretreatPlate > 0)
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{
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var dict = new Dictionary<string, string> { { "O", "0" }, { "I", "1" } };
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newPlate = SubRepString(newPlate, 3, newPlate.Length, dict);
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dict = new Dictionary<string, string> { { "D", "0" } };
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newPlate = SubRepString(newPlate, newPlate.Length - 3, newPlate.Length, dict);
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}
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return newPlate;
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}
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public string SubRepString(string str, int start, int end, Dictionary<string, string> dict)
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{
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var beforeStr = str.Substring(0, start);
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var changeStr = str.Substring(start, end - start);
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var afterStr = str.Substring(end, str.Length - end);
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foreach (var key in dict.Keys)
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{
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changeStr = changeStr.Replace(key, dict[key]);
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}
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return beforeStr + changeStr + afterStr;
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}
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#endregion Other
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}
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}
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