jisco_winform_wzjl/CarMeterSystem/OptionCls/CameraShotCls.cs

using Common;
using MeterPlugInLibrary;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CarMeterSystem.OptionCls
{
    /// <summary>
    /// 截图调用类
    /// </summary>
    public class CameraShotCls
    {
        private Log lg = Log.GetInstance(); //写日志

        public void Connection()
        {
            try
            {
                foreach (DhCameraShot shot in CarCache.cameraShots)
                {
                    shot.Connection();
                }
            }
            catch (Exception ex)
            {
                lg.WriteLog(39, ex.Message);
            }
        }

        public void Close()
        {
            try
            {
                foreach (DhCameraShot shot in CarCache.cameraShots)
                {
                    shot.Close();
                }
            }
            catch (Exception ex)
            {
                lg.WriteLog(39, ex.Message);
            }
        }

        /// <summary>
        /// 截图
        /// </summary>
        /// <param name="actualFirstNo">作业编号</param>
        public void CapPic(string actualFirstNo)
        {
            try
            {
                int iCnt = 1; //抓拍摄像头配置顺序必须是前面2个
                foreach (DhCameraShot shot in CarCache.cameraShots)
                {
                    //放在tempImg文件夹下面就进行图片的压缩操作，否则不进行图片压缩
                    //shot.CapPic(iCnt < 3 ? 0 : 1, PbCache.path + string.Format("\\imgShort\\tempImg\\{0}_{1}_{2}.jpg", PbCache.sportInfo.baseSpotNo, "C" + actualFirstNo, iCnt));

                    shot.CapPic(iCnt < 2 ? 0 : 1, PbCache.path + string.Format("\\imgShort\\formalImg\\{0}_{1}_{2}.jpg", PbCache.sportInfo.baseSpotNo, "C" + actualFirstNo, iCnt));

                    ZipFiles(PbCache.path + string.Format("\\imgShort\\formalImg\\{0}_{1}_{2}.jpg", PbCache.sportInfo.baseSpotNo, "C" + actualFirstNo, iCnt));
                    
                    // 第一次抓拍为仪表重量
                    //if(iCnt == 1)
                    //{
                    //    Log.GetInstance().WriteLog(35, "完成仪表拍照    成功标识：" + PbCache.shotSuccess.ToString() + "车号：" + PbCache.lockCarNo + "；重量：" + PbCache.lockWgt + "；时间：" + DateTime.Now.ToLongTimeString());
                    //}
                    iCnt++;
                }
            }
            catch (Exception ex)
            {
                lg.WriteLog(39,ex.Message);
            }
           
        }


        private void ZipFiles(String fn)
        {
            
            ImageZip iz = new ImageZip();


            if (string.IsNullOrEmpty(fn)) return;
            if (!File.Exists(fn)) return;

            //临时目录图片压缩后存储与正式目录
            string jpgFile = fn.Replace("tempImg", "temp");
            Image img = ImageZip.BytesToBitmap(ImageZip.ZipImageByte(fn));
            if (img != null)
            {
                
                //压缩图片并保存
                if(img.Width > AppConfigCache.imgWidth && img.Height > AppConfigCache.imgHeight)
                {
                    img.Save(jpgFile);
                    // BourneCao 20221220 使用以下方法继续压缩，比原图还要大
                    //iz.ResourceImage = img;
                    //iz.GetReducedImage(AppConfigCache.imgWidth, AppConfigCache.imgHeight).Save(jpgFile);
                }
                else
                {
                    img.Save(jpgFile);
                }

                File.Delete(fn);//删除临时目录数据
            }
            //else
            //{
            //    iz.ResourceImage = img;
            //    //压缩图片并保存
            //    iz.GetReducedImage(400, 400).Save(jpgFile);

            //    //File.Move(fn, jpgFile);
            //}

        }

        /// <summary>
        /// 从硬盘录像机 进行截图
        /// </summary>
        /// <param name="actualFirstNo"></param>
        public void CapPicFromVideo(string actualFirstNo)
        {
            try
            {
                foreach (DhCameraShot shot in CarCache.cameraShots)
                {
                    //放在tempImg文件夹下面就进行图片的压缩操作，否则不进行图片压缩
                    //shot.CapPic(iCnt < 3 ? 0 : 1, PbCache.path + string.Format("\\imgShort\\tempImg\\{0}_{1}_{2}.jpg", PbCache.sportInfo.baseSpotNo, "C" + actualFirstNo, iCnt));
                    bool shotSuccess = shot.CapPicFromVedio(PbCache.path + string.Format("\\imgShort\\formalImg\\{0}_{1}_", PbCache.sportInfo.baseSpotNo, "C" + actualFirstNo));
                    PbCache.shotSuccess = shotSuccess;
                }
            }
            catch (Exception ex)
            {
                lg.WriteLog(39, ex.Message);
            }
        }

        /// <summary>
        /// 连接视频截图并关闭
        /// </summary>
        /// <param name="actualFirstNo">作业编号</param>
        public void CapMethod(string actualFirstNo)
        {
            Connection();
            CapPic(actualFirstNo);
            //CapPicFromVideo(actualFirstNo);
            Close();
        }
    }
}