Esempio n. 1
0
		public List<Image> Scan(SettingsAcquire settings)
		{
			Log("Scan start");
			_images = new List<Image>();
			_scanCompleteEvent.Reset();

			var scanSettings = new ScanSettings
			{
				Resolution = new ResolutionSettings {
					Dpi = (int) settings.Resolution, 
					ColourSetting = (ColourSetting)settings.PixelType
				},
				Area = new AreaSettings(Units.Inches, 0, 0, settings.Format.Height, settings.Format.Width),
				ShowProgressIndicatorUI = false,
				ShowTwainUI = false,
				UseDocumentFeeder = settings.ScanSource.HasValue &&
				((ScanFeed)settings.ScanSource.Value == ScanFeed.Feeder || (ScanFeed)settings.ScanSource.Value == ScanFeed.Duplex),
				UseAutoFeeder = false,
				UseAutoScanCache = false,
				UseDuplex = settings.ScanSource.HasValue && (ScanFeed)settings.ScanSource.Value == ScanFeed.Duplex,				
			};

			var scan = new StartScan(StartTwainScan);
			_windowsMessageLoop.Invoke(scan, new object[] { scanSettings });

			_scanCompleteEvent.WaitOne();
			Log("Scan complete, images count: " + _images.Count);
			return _images;
		}
Esempio n. 2
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		public List<Image> Scan(SettingsAcquire settings)
		{
			if (!_twain32.OpenSM())
			{
				throw new Exception("Возникла непредвиденная ошибка, пожалуйста перезапустите TWAIN@Web");
			}
			_twain32.MyAcquire(settings);

			if (_twain32.Images == null) return null;

			var images = new List<Image>();
			foreach (var image in _twain32.Images)
			{
				images.Add(image);
			}
			return images;
		}
Esempio n. 3
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        public List <Image> Scan(SettingsAcquire settings)
        {
            if (!_twain32.OpenSM())
            {
                throw new Exception("Возникла непредвиденная ошибка, пожалуйста перезапустите " + Settings.Default.ServiceName);
            }
            _twain32.MyAcquire(settings);

            if (_twain32.Images == null)
            {
                return(null);
            }

            var images = new List <Image>();

            foreach (var image in _twain32.Images)
            {
                images.Add(image);
            }
            return(images);
        }
Esempio n. 4
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		private void SetAcquireSettings(Device device, SettingsAcquire settings)
		{
			Log("Set acquire settings");

			var source = device.Items[1];
			if (source == null) throw new Exception("Current sourse not found");

			SetProperty(source.Properties, WiaProperty.HorizontalResolution, (int)settings.Resolution);
			SetProperty(source.Properties, WiaProperty.VerticalResolution, (int)settings.Resolution);

			var horizontalExtent = (int)(settings.Format.Width * settings.Resolution);
			var verticalExtent = (int)(settings.Format.Height * settings.Resolution);

			var horizontalExtentMax = FindProperty(source.Properties, WiaProperty.HorizontalExtent).SubTypeMax;
			var verticalExtentMax = FindProperty(source.Properties, WiaProperty.VerticalExtent).SubTypeMax;

			var currentIntent = (WiaPixelType)settings.PixelType;

			SetProperty(source.Properties, WiaProperty.HorizontalExtent, horizontalExtent < horizontalExtentMax ? horizontalExtent : horizontalExtentMax);
			SetProperty(source.Properties, WiaProperty.VerticalExtent, verticalExtent < verticalExtentMax ? verticalExtent : verticalExtentMax);
			SetProperty(source.Properties, WiaProperty.CurrentIntent, currentIntent);

			if (currentIntent == WiaPixelType.Color)
			try
			{
				SetProperty(source.Properties, WiaProperty.BitsPerPixel, 24);
			}
			catch (Exception)
			{
			}

			if (settings.ScanSource.HasValue && IsDocumentHandlingSelectSupported(device))
			{
				var documentHandlingSelect = (int)WIA_DPS_DOCUMENT_HANDLING_SELECT.Flatbad;
				switch ((ScanFeed)settings.ScanSource.Value)
				{
					case ScanFeed.Feeder:
						documentHandlingSelect = (int)WIA_DPS_DOCUMENT_HANDLING_SELECT.Feeder;
						break;
					case ScanFeed.Flatbad:
						documentHandlingSelect = (int)WIA_DPS_DOCUMENT_HANDLING_SELECT.Flatbad;
						break;
					case ScanFeed.Duplex:
						documentHandlingSelect = (int)WIA_DPS_DOCUMENT_HANDLING_SELECT.Duplex | (int)WIA_DPS_DOCUMENT_HANDLING_SELECT.Feeder;
						break;
				}
				SetProperty(device.Properties, WiaProperty.DocumentHandlingSelect, documentHandlingSelect);
				
			}

			Log("Set acquire settings success");
		}
Esempio n. 5
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		/// <summary>
		/// Use scanner to scan an image (with user selecting the scanner from a dialog).
		/// </summary>
		/// <returns>Scanned images.</returns>
		public List<Image> Scan(SettingsAcquire settings)
		{
			if (_deviceId == null)
			{
				throw new Exception("Не выбран источник данных для сканера.");
			}

			var device = ConnectToDevice();

			SetAcquireSettings(device, settings);

			return Scan(device);
		}
Esempio n. 6
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		public ScanResult Execute(object markerAsynchrone)
		{
			_log.Info("======================================= SCAN COMMAND ========================================");
			_log.Info(string.Format("Start execute with scan params: " +
			                        "source={0}, sourceFeed={1}, dpi={2}, colorMode={3}, compressionFormat={4}, format={5}, " +
			                        "isPackage={6}, saveAs={7}", 
				_command.Source, 
				_command.DocumentHandlingCap, 
				_command.DPI,
				_command.ColorMode,
				_command.CompressionFormat.ImgFormat,
				_command.Format.Name,
				_command.IsPackage,
				_command.SaveAs));

			ScanResult scanResult;
			try
			{
				var scannedImages = new List<Image>();
				lock (markerAsynchrone)
				{
					if (_scannerManager.CurrentSourceIndex != _command.Source)
					{
						new AsyncWorker<int>().RunWorkAsync(_command.Source, _scannerManager.ChangeSource,
							WaitTimeForChangeSource);

						if (_scannerManager.CurrentSourceIndex != _command.Source)
						{
							return new SingleScanResult("Не удается изменить источник данных");
						}
					}

					var settingAcquire = new SettingsAcquire
					{
						Format = _command.Format,
						Resolution = _command.DPI,
						PixelType = _command.ColorMode,
						ScanSource =  _command.DocumentHandlingCap
					};

					var images = new AsyncWorker<SettingsAcquire, List<Image>>().RunWorkAsync(settingAcquire, _scannerManager.CurrentSource.Scan, WaitTimaeForScan);

					if (images != null)
					{
						foreach (var image in images)
						{
							var clonedImage = (Image) image.Clone();
							image.Dispose();

							((Bitmap) clonedImage).SetResolution(_command.DPI, _command.DPI);
							scannedImages.Add(clonedImage);
						}

					}
				}
				if (scannedImages.Count == 0)
				{
					return new SingleScanResult(
							"Сканирование завершилось неудачей! Попробуйте переподключить сканер либо повторить сканирование с помощью другого устройства.");
				}
				
				if (scannedImages.Count == 1)
				{
					var image = scannedImages[0];
					var downloadFile = SaveImage(image);
					var singleScanResult = new SingleScanResult();
					singleScanResult.FillContent(downloadFile);

					scanResult = singleScanResult;

					image.Dispose();
				}
				else
				{
					var downloadFiles = new List<DownloadFile>();
					int counter;
					try
					{
						counter = int.Parse(_command.FileCounter);
					}
					catch (Exception)
					{
						counter = 1;
					}
					foreach (var scannedImage in scannedImages)
					{
						var downloadFile = SaveImage(scannedImage, counter++);
						downloadFiles.Add(downloadFile);
						scannedImage.Dispose();
					}
				
					var multipleScanResult = new MultipleScanResult();
					multipleScanResult.FillContent(downloadFiles);
					scanResult = multipleScanResult;
				}
			}
			catch (TwainException ex)
			{
				return new SingleScanResult(ex.Message);
			}

			_log.Info("Scan command executed");
			return scanResult;
		}