ScanClient/code/HXX.Scanner.Biz/twain32/biz_property_scanner_to_engine.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;

using Saraff.Twain;
using HXX.Scanner.Common;

namespace HXX.Scanner.Biz
{
    /// <summary>
    /// 老类，设置基础信息到扫描仪
    /// </summary>
    public class biz_property_scanner_to_engine
    {
        public static void Set(Twain32 engine, Device_Scanner scanner)
        {
            set_gray(engine);
            set_bitDepth(engine);
            set_file_mode(engine);
            set_file_type(engine);

            if (!scanner.deviceName.ToUpper().Contains("KODAK"))
            {
                set_removeBorder(engine);
            }

            //来自 界面设置 或 网端传参
            set_paper(engine, scanner);
            set_AB(engine);
            
            try { engine.Capabilities.Brightness.Set(scanner.ld); } catch (Exception ee) { }
            try { engine.Capabilities.Contrast.Set(scanner.dbd); } catch (Exception ee) { }
            engine.Capabilities.XResolution.Set(scanner.resolution);
            engine.Capabilities.YResolution.Set(scanner.resolution);
            //engine.Capabilities.XResolution.Set(200);
            //engine.Capabilities.YResolution.Set(200);

            engine.ShowUI = config_environment.use_source_ui;

            /////////////////test
            //this._twain32.CloseDataSource();
            //this._twain32.SourceIndex = index;
            //this._twain32.OpenDataSource();

            //this._twain32.Capabilities.XResolution.Set(200);
            //this._twain32.Capabilities.YResolution.Set(200);
            //this._twain32.Capabilities.PixelType.Set(TwPixelType.Gray);
            //this._twain32.Capabilities.XferMech.Set(TwSX.File);
            //this._twain32.Capabilities.ImageFileFormat.Set(TwFF.Tiff);

            //this._twain32.Capabilities.SupportedSizes.Reset();
            //this._twain32.Capabilities.SupportedSizes.Set(TwSS.A4);
            //this._twain32.Capabilities.XferCount.Set(2);
            //this._twain32.Capabilities.DuplexEnabled.Set(true);
            //this._twain32.Capabilities.Brightness.Set(0);
            //this._twain32.Capabilities.Contrast.Set(0);
        }

        /// <summary>
        /// 设置纸张格式
        /// </summary>
        /// <param name="engine"></param>
        /// <param name="scanner"></param>
        private static void set_paper(Twain32 engine, Device_Scanner scanner)
        {
            try
            {
                try
                {
                    //佳能必须要先Reset，再Set才有效
                    engine.Capabilities.SupportedSizes.Reset();
                }
                catch (Exception e)
                {
                    LogManager.WriteLog(e);
                }

                var autoSizeCab = engine.Capabilities.AutoSize.ToString().ToLower();

                if (autoSizeCab.Contains("not"))
                {
                    //var supported = engine.Capabilities.SupportedSizes.Get();

                    if (config_environment.paper_size == PaperSize.A3) { engine.Capabilities.SupportedSizes.Set(TwSS.A3); }
                    if (config_environment.paper_size == PaperSize.A4) { engine.Capabilities.SupportedSizes.Set(TwSS.A4); }
                    if (config_environment.paper_size == PaperSize.K8) { engine.Capabilities.SupportedSizes.Set(TwSS.A3); }
                    if (config_environment.paper_size == PaperSize.K16) { engine.Capabilities.SupportedSizes.Set(TwSS.A4); }
                }
                else
                {
                    engine.SetCap(TwCap.AutoSize, true);
                }
            }
            catch (Exception ex)
            {
                //Console.WriteLine("SupportedSizes got exception");

                if (!ex.Message.Contains("Data parameter out of range"))
                {
                    LogManager.WriteLog(ex);
                }
            }
        }

        /// <summary>
        /// 设置单双面
        /// </summary>
        /// <param name="engine"></param>
        private static void set_AB(Twain32 engine)
        {
            engine.Capabilities.FeederEnabled.Set(true);

            if (config_environment.scan_type == ScanType.Formal)
            {
                engine.Capabilities.XferCount.Set(-1);

                if (config_environment.scan_ab)
                {
                    engine.Capabilities.DuplexEnabled.Set(true);
                }
                else
                {
                    engine.Capabilities.DuplexEnabled.Set(false);
                }
            }
            else
            {
                if (config_environment.scan_ab)
                {
                    engine.Capabilities.XferCount.Set(2);
                    engine.Capabilities.DuplexEnabled.Set(true);
                }
                else
                {
                    engine.Capabilities.XferCount.Set(1);
                    engine.Capabilities.DuplexEnabled.Set(false);
                }
            }
        }

        ///// <summary>
        ///// 设置灰度
        ///// </summary>
        ///// <param name="engine"></param>
        //private static void set_gray(Twain32 engine)
        //{
        //    Boolean hasBw = false;
        //    Boolean hasGray = false;
        //    Twain32.Enumeration _pixelTypes = engine.Capabilities.PixelType.Get();

        //    for (int i = 0; i < _pixelTypes.Count; i++)
        //    {
        //        if (_pixelTypes[i].ToString().Equals("BW"))
        //        {
        //            hasBw = true;
        //        }

        //        if (_pixelTypes[i].ToString().Equals("Gray"))
        //        {
        //            hasGray = true;
        //        }
        //    }

        //    //一般都支持这个模式
        //    // test gray
        //    if (false)
        //    {
        //        if (hasBw)
        //        {
        //            try
        //            {
        //                engine.Capabilities.PixelType.Set(TwPixelType.BW);
        //            }
        //            catch (Exception ee)
        //            {
        //                Console.WriteLine("Error set PixelType BW " + ee.Message);
        //            }
        //        }
        //        else
        //        {
        //            Console.WriteLine("Error      " + DateTime.Now.ToString() + "  PixelType BW not supported");
        //        }
        //    }

        //    //测试灰度
        //    if (hasGray)
        //    {
        //        try
        //        {
        //            engine.Capabilities.PixelType.Set(TwPixelType.Gray);
        //        }
        //        catch (Exception ee)
        //        {
        //            Console.WriteLine("Error set PixelType Gray " + ee.Message);
        //        }
        //    }
        //    else
        //    {
        //        Console.WriteLine("Error      " + DateTime.Now.ToString() + "  PixelType Gray not supported");
        //    }
        //}

        /// <summary>
        /// 设置灰度
        /// </summary>
        /// <param name="engine"></param>
        private static void set_gray(Twain32 engine)
        {
            Boolean hasBw = false;
            Boolean hasGray = false;
            Boolean hasColor = false;
            Twain32.Enumeration _pixelTypes = engine.Capabilities.PixelType.Get();

            for (int i = 0; i < _pixelTypes.Count; i++)
            {
                if (_pixelTypes[i].ToString().Equals("BW"))
                {
                    hasBw = true;
                }

                if (_pixelTypes[i].ToString().Equals("Gray"))
                {
                    hasGray = true;
                }

                if (_pixelTypes[i].ToString().Equals("RGB"))
                {
                    hasColor = true;
                }
            }

            if (config_environment.web_parameter.isColor == 0)
            {
                if (hasGray)
                {
                    try
                    {
                        engine.Capabilities.PixelType.Set(TwPixelType.Gray);
                    }
                    catch (Exception ee)
                    {
                        LogManager.WriteLog("Error set PixelType GRAY " + ee.Message);
                    }
                }
            }
            //else if (config_environment.web_parameter.paperColor.ToLower() == "black")
            //{
            //    if (hasBw)
            //    {
            //        try
            //        {
            //            engine.Capabilities.PixelType.Set(TwPixelType.BW);
            //        }
            //        catch (Exception ee)
            //        {
            //            LogManager.WriteLog("Error set PixelType BW " + ee.Message);
            //        }
            //    }
            //}
            else if (config_environment.web_parameter.isColor == 1)
            {
                if (hasColor)
                {
                    try
                    {
                        engine.Capabilities.PixelType.Set(TwPixelType.RGB);
                    }
                    catch (Exception ee)
                    {
                        LogManager.WriteLog("Error set PixelType RGB " + ee.Message);
                    }
                }
            }
        }

        /// <summary>
        /// 设置色深
        /// </summary>
        /// <param name="engine"></param>
        private static void set_bitDepth(Twain32 engine)
        {
            if (false)
            {
                try
                {
                    engine.Capabilities.BitDepth.Set(1);
                }
                catch (Exception ee)
                {
                    Console.WriteLine(DateTime.Now.ToString() + " Error set BitDepth 1" + ee.Message);
                }
            }
        }

        /// <summary>
        /// 设置保存格式
        /// </summary>
        /// <param name="engine"></param>
        private static void set_file_mode(Twain32 engine)
        {
            try
            {
                engine.Capabilities.XferMech.Set(TwSX.File);
            }
            catch (Exception ee)
            {
                Console.WriteLine("Error set XferMech TwSX.File " + ee.Message);
            }
        }

        /// <summary>
        /// 设置文件格式
        /// </summary>
        /// <param name="engine"></param>
        private static void set_file_type(Twain32 engine)
        {
            //try
            //{
            //    Twain32.Enumeration imageFileFormats = engine.Capabilities.ImageFileFormat.Get();
            //    Boolean hasTiff = false;

            //    for (int i = 0; i < imageFileFormats.Count; i++)
            //    {
            //        if (imageFileFormats[i].ToString().ToLower().Equals("tiff"))
            //        {
            //            hasTiff = true;
            //            break;
            //        }
            //    }

            //    if (hasTiff)
            //    {
            //        engine.Capabilities.ImageFileFormat.Set(TwFF.Tiff);
            //    }
            //}
            //catch (Exception ee)
            //{
            //}

            //try
            //{
            //    engine.Capabilities.ImageFileFormat.Set(TwFF.Jfif);
            //    //engine.Capabilities.JpegPixelType.Set(TwPixelType.Gray);
            //    //engine.Capabilities.JpegQuality.Set(TwJQ.High);
            //    engine.Capabilities.Compression.Set(TwCompression.Jpeg2000);
            //}
            //catch (Exception ee)
            //{
            //}

            try
            {
                engine.Capabilities.ImageFileFormat.Set(TwFF.Bmp);
            }
            catch (Exception ee)
            {
            }
        }

        /// <summary>
        /// 不明设置
        /// </summary>
        /// <param name="engine"></param>
        private static void set_removeBorder(Twain32 engine)
        {
            try
            {
                Twain32.Enumeration bRemoveBorderCap = (Twain32.Enumeration)engine.GetCap((TwCap)TwCapExt.bRemoveBorder);
                bool hasRemoveBorder = false;

                for (int i = 0; i < bRemoveBorderCap.Count; i++)
                {
                    if (bRemoveBorderCap[i].ToString().Equals("1"))
                    {
                        hasRemoveBorder = true;
                        break;
                    }
                }

                if (hasRemoveBorder)
                {
                    engine.SetCap((TwCap)TwCapExt.bRemoveBorder, 1);
                }
            }
            catch (Exception ee)
            {
                Console.WriteLine(DateTime.Now.ToString() + " error set bRemoveBorder " + ee.Message);
            }
        }
    }
}