ScanClient/code/HXX.Scanner.Biz/biz/pop/biz_pop.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Threading;
using System.Drawing.Imaging;
using System.IO;

using Dynamsoft.Barcode;
using Dynamsoft.TWAIN;
using Dynamsoft.Core;
using Dynamsoft.UVC;
using Dynamsoft.OCR;
using Dynamsoft.PDF;
using Dynamsoft.Core.Annotation;
using Dynamsoft.TWAIN.Interface;
using Dynamsoft.Core.Enums;
using Dynamsoft.Common;

using HXX.Scanner.Common;
using HXX.Scanner.Biz.Socket;

namespace HXX.Scanner.Biz
{
    /*
     * 第三方组件，注意product key有过期的问题，倘若过期，扫描出来的图片将带有水印
     */

    /// <summary>
    /// 第三方弹出框扫描
    /// </summary>
    public class biz_pop : IAcquireCallback
    {
        public biz_pop()
        {
            //m_StrProductKey = m_StrProductKey + ";" + LicenseLoader.ReadLocalLicense();
            m_StrProductKey = "123";
            m_TwainManager = new TwainManager(m_StrProductKey);
        }

        //private string m_StrProductKey = "t0068MgAAAGoy8bTO6r8g5EB109cYYCRpr5Ug/nABLQcqkWLVjqs85l2Qa7pNIa/TQDq+d9RHDc7MVYR+5AEiDrFJsUOcqlI=";
        private string m_StrProductKey = "123";
        private TwainManager m_TwainManager = null;

        /// <summary>
        /// 主扫描方法
        /// </summary>
        /// <param name="index"></param>
        public void scan(int index)
        {
            m_TwainManager.CloseSource();
            m_TwainManager.SelectSourceByIndex(index);
            m_TwainManager.OpenSource();
            m_TwainManager.IfShowUI = false;
            m_TwainManager.IfFeederEnabled = true;
            m_TwainManager.IfDuplexEnabled = config_environment.scan_ab;
            m_TwainManager.IfDisableSourceAfterAcquire = true;
            m_TwainManager.XferCount = get_xferCount();

            m_TwainManager.PixelType = Dynamsoft.TWAIN.Enums.TWICapPixelType.TWPT_GRAY;
            m_TwainManager.BitDepth = 8;

            m_TwainManager.Resolution = 150;
            m_TwainManager.AcquireImage(this as IAcquireCallback);
        }

        /// <summary>
        /// 主动关闭自己，方便其他TW组件再次连接
        /// </summary>
        public void close()
        {
            try
            {
                m_TwainManager.CloseSource();
            }
            catch (Exception ee)
            {
                LogManager.WriteLog(ee);
            }
        }

        public bool IfGetImageInfo
        {
            get
            {
                return true;
            }
        }

        public bool IfGetExtImageInfo
        {
            get
            {
                return true;
            }
        }

        /// <summary>
        /// 批次扫描结束事件
        /// </summary>
        public void OnPostAllTransfers()
        {
            twain32_events._twain32_AcquireCompleted(null, null);           
        }

        /// <summary>
        /// 单张扫描结束事件
        /// </summary>
        public bool OnPostTransfer(Bitmap bit, string info)
        {
            try
            {
                var fileInfo = file_manager.get_file_info2();

                var file = fileInfo.file_full_name.Replace("bmp", "jpeg");

                bit.Save(file, ImageFormat.Jpeg);

                if (config_environment.scan_state)
                {
                    biz_scanHistory.add_history();
                    file_manager.save(file);
                }
            }
            catch (Exception ex)
            {
                LogManager.WriteLog(ex);
            }

            return true;
        }

        /// <summary>
        /// 批次扫描开始前事件
        /// </summary>
        public void OnPreAllTransfers()
        {
            var nn = m_TwainManager.Duplex;

            biz_engine_prepare.prepare();
        }

        /// <summary>
        /// 单张扫描开始前事件
        /// </summary>
        public bool OnPreTransfer()
        {
            return true;
        }

        /// <summary>
        /// 弹框被关闭事件
        /// </summary>
        public void OnSourceUIClose()
        {
           
        }

        /// <summary>
        /// 弹框点取消后事件
        /// </summary>
        public void OnTransferCancelled()
        {
            biz_scanHistory.end_new();
            biz_scanFinishBatch.Work(2, true);
            //config_environment.stop_status = 2;
            biz_scanFinish.Work(null, new ResponseEntity<response_http_uploadImg2>() { Status = 0, Message = "扫描被中止" });
            biz_scanFinishBatch.Work(7, false);
            biz_scanFinishBatch.Work(1, false);
        }

        /// <summary>
        /// 数据传输错误事件
        /// </summary>
        public void OnTransferError()
        {
            config_environment.scan_state = false;
            biz_scanHistory.end_new();

            biz_scanFinish.Work(null, new ResponseEntity<response_http_uploadImg2>() { Status = 0, Message = "发生错误" });
            biz_scanFinishBatch.Work(3, true);
        }

        /// <summary>
        /// 获取扫描数量上限 1:1张 2:2张 -1：无限
        /// </summary>
        private static short get_xferCount()
        {
            if (config_environment.scan_type == ScanType.Formal)
            {
                return -1;
            }
            else
            {
                if (config_environment.scan_ab)
                {
                    return 2;
                }
                else
                {
                    return 1;
                }
            }
        }
    }
}