private void SaveLastImage(string filePrefix, ImageSavingType savingType, int? errorCode)
{
Logger.LogVerbose(Message.RecognizerSaveImageCall, filePrefix, savingType);
if (savingType == ImageSavingType.None)
return;
try
{
if (!ReserveSpaceForSaveLastBuffer(savingType))
return;
Logger.LogVerbose(Message.RecognizerSavingImage);
var savingStartTime = DateTime.Now;
var filePathSb = GetImageFileName(filePrefix);
var imageDirectoryPath = _fileSystemManager.GetDataDirectoryPath(FileType.ScanningImage);
filePathSb.Insert(0, imageDirectoryPath + '/');
var filePath = filePathSb.ToString();
if (errorCode != null)
filePathSb.Append("_E" + errorCode);
if (savingType == ImageSavingType.Binary || savingType == ImageSavingType.All)
{
_scannerManager.SaveBuffer(
filePath + "_B", ImageType.Binary, ScannedSide.Bottom, BufferSize.Scanned);
}
if (savingType == ImageSavingType.Halftone || savingType == ImageSavingType.All)
{
_scannerManager.SaveBuffer(
filePath + "_H", ImageType.Halftone, ScannedSide.Bottom, BufferSize.Scanned);
SystemHelper.SyncFileSystem();
}
Logger.LogVerbose(
Message.RecognizerSaveImageTiming, (DateTime.Now - savingStartTime).TotalMilliseconds);
}
catch (Exception ex)
{
Logger.LogWarning(Message.RecognizerSaveImageError, ex);
_scannerManager.RestoreScanningAfterError();
}
finally
{
Logger.LogVerbose(Message.Common_DebugReturn);
}
}
private bool ReserveSpaceForSaveLastBuffer(ImageSavingType savingType)
{
try
{
long requiredSize;
switch (savingType)
{
case ImageSavingType.Binary:
requiredSize = _scannerManager.GetBufferSize(ImageType.Binary, BufferSize.Scanned);
break;
case ImageSavingType.Halftone:
requiredSize = _scannerManager.GetBufferSize(ImageType.Halftone, BufferSize.Scanned);
break;
case ImageSavingType.All:
requiredSize = _scannerManager.GetBufferSize(ImageType.Binary, BufferSize.Scanned) +
_scannerManager.GetBufferSize(ImageType.Halftone, BufferSize.Scanned);
break;
default:
throw new Exception("Неизвестный тип сохранения изображения");
}
if (!ReserveSpaceForImage(_config.MinFreeSpaceForImageKb.Value, requiredSize))
return false;
}
catch (Exception ex)
{
Logger.LogWarning(Message.RecognizerSaveImageError, ex);
_scannerManager.RestoreScanningAfterError();
return false;
}
return true;
}
