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VintaSoftTwain.NET SDK - History

Version 6.0

  • Acquired images can be saved to PDF/A document.
  • Acquired images can be saved to TIFF or PDF files using ZIP compression.
  • Image acquisition algorithm has been optimized.
  • Memory usage has been optimized.
  • Some minor fixes.

Version 5.1

  • Added ability to swap images in the internal images buffer.
  • Fixed bug in CCITT compression algorithm of PDF encoder.
  • Some minor fixes.

Version 5.0

  • Library is compatible with TWAIN 2.0 now.
  • Added ability to detect if TWAIN is installed in the system.
  • Added ability to specify path to TWAIN Data Source Manager. This feature allows to use library in Citrix systems.
  • Added ability to detect if scanner has flatbed.
  • Function which work with device capabilites have been optimized.
  • Image processing functions have been optimized.
  • Some major and minor fixes.
  • Examples have been updated.

Version 4.4

  • Opportunity to save/load current settings of device has been added.
  • Opportunity to create predefined session setups for mid- and high-volume scanners has been added.
  • Memory leak in the GetImage/GetCurrentImage method has been fixed.
  • DuplexEnabled property has been optimized for compatibility with Epson GT 2500 scanner.

Version 4.3

  • Image can be added to multipage TIFF file or PDF document stored in the stream now.
  • Two new methods (GetImageLayout and SetImageLayout) allows to get/set the layout of scanning image in JavaScript more easily.
  • Exceptions during image processing can be disabled now.
  • Examples have been updated.

Version 4.2

  • Extended image information (barcode info, patch code info, ...) can be retrieved from the scanner.
  • Documentation in Visual Studio .NET 2005 format has been created.
  • PDF tags (author, title, subject, creator, producer, keywords, creation and modification date) can be added to PDF document.
  • Now you can create log-file and send it to our support team if scanner does not work properly.
  • Library has been optimized for compatibility with Fujitsu scanners with automatic border detection featur.
  • Despeckle and border detection algorithms have been optimized.
  • Examples have been updated.

Version 4.0

  • Acquired image can be saved to a new PDF document compatible with version 1.4 of PDF standard.
  • Acquired image can be added to existing PDF document compatible with version 1.4 or earlier of PDF standard.
  • Exception mechanism has been added - all properties and methods throw exceptions (TwainException, ImagingException, PdfException) if error occurs. Previous versions of library did not throw exceptions.
  • Despeckle algorithm has been updated.
  • Examples have been updated.
  • Other minor fixes.

Version 3.1

  • Acquisition algorithm has been optimized for compatibility with HP and Fujitsu scanners.
  • Opportunity to use any authentication schemes (such as basic, digest, NTLM, and Kerberos authentication) at image uploading has been added.
  • Redirection functionality has been added to image uploading algorithm.

Version 3.0

  • Two new classes allow to upload several acquired images per session to HTTP, HTTPS or FTP server.
  • New documentation in MSDN format has been created. XML documentation file has been created.
  • Examples for MS Visual Studio .NET 2005 and Borland Developer Studio 2006 have been added.
  • Examples for MS Visual Studio .NET 2003 and Borland Developer Studio 2003 have been updated.
  • The PostScan event has been deleted, two new events (ImageAcquired and ScanCompleted) have been added.
  • Image's rotation function (RotateImage method) has been added.
  • New properties (DeviceOnline, ShowIndicators, JobControl, CapValueType) have been added.
  • The Rotation and NoiseLevelInBlankImage properties have been deleted.
  • All properties begin with the upper letter now. C# code which uses library must be updated.

Version 2.1.5

  • Image uploading process has been modified for compatibility with IIS 6 and 7 servers.
  • Bug in scanning process from separate thread has been fixed.

Version 2.1.1

  • Ability to set a cookie in image uploading session has been added. This can be useful if you must authenticate with the Lotus Domino server.
  • Bug in work with ADF of Canon MF5530/5550 has been fixed.

Version 2.1

  • Functions for image processing have been optimized and accelerated.
  • Library now allows to create a custom progress indicator of image scan.
  • Algorithm of scanning process has been updated for compatibility with Fujitsu scanners.
  • Examples have been updated.

Version 2.0

  • Functionality for detecting correct position of image (deskew functionality) has been added.
  • Image processing functions (despeckle, border detection, blank page detection) have been optimized.
  • Version of library which is compiled under .NET Framework 2.0 is available now.