CodeManager.cs 11.0 KB
using CodeLibrary; 
using OnlineStore.Common;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Runtime.ExceptionServices;
using System.Text;
using System.Windows.Forms;

namespace OnlineStore.DeviceLibrary
{
    public class CodeManager
    {
        public static List<string> codeTypeList = new List<string>();
        public static List<string> balserNameList = new List<string>();
        public static List<string> hikNameList = new List<string>();

        private static char spiltChar = '#';
        /// <summary>
        /// 初始化摄像机名称和二维码类型
        /// </summary> 
        public static void LoadConfig()
        {
            string codeStr = ConfigAppSettings.GetValue(Setting_Init.CodeType);
            codeTypeList = new List<string>();
            HDLogUtil.LogName = "RollingLogFileAppender";
            try
            {
                string[] codeArray = codeStr.Split(spiltChar);
                foreach (string str in codeArray)
                {
                    if (str.Trim().Equals(""))
                    {
                        continue;
                    }
                    LogUtil.info("加载到配置二维码类型:" + str.Trim());
                    codeTypeList.Add(str.Trim());
                }

                LoadCamera(false);
                CodeLibrary.HDCodeLearnHelper.LoadConfig("", codeStr);
            }
            catch (Exception ex)
            {
                LogUtil.error("解析摄像机配置出错:", ex);
            }
        }
        private static void LoadCamera(bool isReLoad)
        {
            if (isReLoad)
            {
                try
                {
                    CodeLibrary.HIKCamera.Instance.Load();
                }
                catch (Exception ex)
                {
                    LogUtil.error("加载HIK相机出错:", ex);
                }
                try
                {
                    CodeLibrary.BaslerCamera.Instance.Load();
                }
                catch (Exception ex)
                {
                    LogUtil.error("加载Basler相机出错:", ex);
                }
            }
            string[] names = CodeLibrary.HIKCamera.Instance.CameraName;


            if (names != null)
            {
                foreach (string n in names)
                {
                    if (!hikNameList.Contains(n))
                    {
                        hikNameList.Add(n);
                    }
                }
                // hikNameList.AddRange(names);
                foreach (string name in hikNameList)
                {
                    LogUtil.info("加载到HIK相机:" + name);
                }
            }
            names = CodeLibrary.BaslerCamera.Instance.CameraName;
            if (names != null)
            {
                foreach (string n in names)
                {
                    if (!balserNameList.Contains(n))
                    {
                        balserNameList.Add(n);
                    }
                }
                // balserNameList.AddRange(names);
                foreach (string name in balserNameList)
                {
                    LogUtil.info("加载到Balser相机:" + name);
                }
            }
        }
        public static void CloseCamera()
        {
            BaslerCamera.Instance.Close();
            HIKCamera.Instance.Close();
        }

        public static Bitmap GetCamerImage(string cameraName)
        {
            Bitmap bitm = null;
            try
            {
                if (balserNameList.Contains(cameraName))
                {
                    bool result = BaslerCamera.Instance.Open(cameraName);
                    LogUtil.info("相机【" + cameraName + "】打开:" + result + "");
                    if (result)
                    {
                        BaslerCamera.Instance.GrabOne();
                        bitm = BaslerCamera.Instance.Image;
                        BaslerCamera.Instance.Close();
                    }
                    else
                    {
                        LogUtil.error("相机【" + cameraName + "】打开失败:" + BaslerCamera.Instance.ErrInfo);
                    }
                }
                else if (hikNameList.Contains(cameraName))
                {
                    bool result = HIKCamera.Instance.Open(cameraName);
                    //    LogUtil.info("打开相机:" + cameraName + "(" + result + ")"); 
                    if (result)
                    {
                        HIKCamera.Instance.GrabOne();
                        bitm = HIKCamera.Instance.Image;
                        HIKCamera.Instance.Close();
                    }
                    else
                    {
                        LogUtil.error("相机【" + cameraName + "】打开失败:" + HIKCamera.Instance.ErrInfo);
                    }
                }
                else
                {
                    LogUtil.info("未找到相机【" + cameraName + "】无法获取图片");
                    //若未加载到相机,需要重新加载相机
                    if (balserNameList.Count <= 0 && hikNameList.Count <= 0)
                    {
                        LogUtil.error("获取图片时发现未加载到相机,重新加载相机");
                        LoadCamera(true);
                    }
                }
            }
            catch (Exception ex)
            {
                LogUtil.error("从相机【" + cameraName + "】获取图片出错:", ex);
            }
            return bitm;
        }
        private static int codeCount = ConfigAppSettings.GetIntValue(Setting_Init.CodeCount);
        [HandleProcessCorruptedStateExceptions]
        public static List<string> CameraScan(List<string> cameraList ,string deviceName )
        {
            if (codeCount < 1)
            {
                codeCount = 1;
            }
            List<string> codeList = new List<string>();
            //List<CodeInfo> allCodeList = new List<CodeInfo>();
            if (cameraList == null || cameraList.Count <= 0)
            {
                return codeList;
            }
            try
            {
                foreach (string cameraName in cameraList)
                {
                    if (cameraName.Trim().Equals(""))
                    {
                        continue;
                    }
                    LogUtil.info(deviceName+" 【" + cameraName + "】开始打开相机获取图片");
                    using (Bitmap bitmap = GetCamerImage(cameraName))
                    {
                        if (bitmap == null)
                        {
                            LogUtil.error(deviceName + "  【" + cameraName + "】获取图片失败,关闭相机");
                            CloseCamera();
                            continue;
                        }

                        LogUtil.info(deviceName + "  【" + cameraName + "】获取图片完成,开始转换图片,并扫码");
                        System.Threading.Thread.Sleep(1);
                        //转换托盘大概100-150ms,不打印日志
                        HalconDotNet.HObject ho_Image = HDCodeHelper.Bitmap2HObjectBpp24(bitmap);
                      //  LogUtil.info(" 相机【" + cameraName + "】转换图片完成,开始扫码");
                        List<CodeInfo> cc = new List<CodeInfo>();
                        string r = "";
                        foreach (string codeType in codeTypeList)
                        {
                            //判断是否是一维码
                            if (codeType.ToLower().Equals("barcode"))
                            {
                                cc = HDCodeHelper.DecodeBarCode(ho_Image);
                            }
                            else
                            {
                                cc = HDCodeHelper.DecodeCode(ho_Image, codeCount, GetCodeParamFilePath(codeType), codeType);
                            }
                            foreach (CodeInfo c in cc)
                            {
                                string str = CodeManager.ReplaceCode(c.CodeStr);
                                codeList.Add(str);
                                r = r + "##" + str;
                            }
                           // LogUtil.debug(" 相机【" + cameraName + "】【" + codeType + "】扫码完成:" + r);
                        }

                        LogUtil.info(deviceName + " 【" + cameraName + "】扫码完成:" + r);
                        ho_Image.Dispose();
                        bitmap.Dispose();
                    }
                }
            }
            catch (AccessViolationException e)
            {
                LogUtil.error(deviceName + " 扫码出现AccessViolationException异常:" + e.ToString());
                GC.Collect();
            }
            catch (Exception ex)
            {
                LogUtil.error(deviceName + " 扫码出错:", ex);
            }
            return codeList;
        }


        public static string GetCodeParamFilePath(string codePath)
        {
            string appPath = Application.StartupPath;
            string path = appPath + ConfigAppSettings.GetValue(Setting_Init.CodeParamPath);
            string filePath = path + codePath + ".dcm";
            if (File.Exists(filePath))
            {
                return filePath;
            }
            else
            {
                return "";
            }
        }
        /// <summary>
        /// 处理接收后的二维码
        /// </summary>
        /// <param name="message"></param>
        /// <returns></returns>
        public static string ReplaceCode(string message)
        {
            message = message.Trim();
            message = message.Replace("\r", "");
            message = message.Replace("\n", "");
            char a = (char)02;
            message = message.Replace(a.ToString(), "");
            message = message.Trim();
            System.Text.ASCIIEncoding asciiEncoding = new System.Text.ASCIIEncoding();
            byte[] bytes = asciiEncoding.GetBytes(message);
            List<byte> newBytes = new List<byte>();
            foreach (byte by in bytes)
            {
                int value = (int)by;
                if (value.Equals(24) || value.Equals(30) || value.Equals(29) || value.Equals(4))
                {
                    continue;
                }
                if (!value.Equals(24))
                {
                    newBytes.Add(by);
                }
            }
            message = asciiEncoding.GetString(newBytes.ToArray());
            return message;
        }
        public static string ProcessCode(List<string> codeList)
        {
            string code = "";
            foreach (string cc in codeList)
            {
                if (string.IsNullOrEmpty(cc))
                {
                    continue;
                }
                code += cc + "##";
            }
            return ReplaceCode(code);
        }
    }
}