GdPicture.NET 9 New Release!

The brand new version 9 is finally here!

Before anything else the developing team would like to say thank you to all the BETA testers for their remarks and suggestions. A constructive BETA makes a successful final release! Merci à tous !

So now, what are the new features and functionalities of GdPicture.NET 9?

We created a webpage with the full description of the new features, functionalities, methods and properties of GdPicture.NET 9. You will find it here.

And a new Reference Guide for the version 9 is available here.

To sum up, here are the main changes in the different categories:

Toolkit Core

  • Binaries for NET Framework 4.5.
  • Memory usage optimization and speed enhancement.
  • Better error handling.
  • User controls appearance customization improved.
  • Multithreading handling improvement especially with the ThumbnailEx control.
  • Better stream handling.
  • Temporary files creation avoided while loading from stream, array of bytes or string data (especially for usage in cloud or in sand-box).
  • Several Unicode issues fixed.
  • OCR & PDF support for RTL languages such as Arabic improved.


  • Memory usage optimization and speed enhancement.
  • Synchronisation with other GdPciture Objects (ThumbnailEx, AnnotationEditor, BookmarkTree…) improved.
  • Support for loading and saving annotations of all pages of a document from/to a single XML block.
  • Ruler annotation added.


  • PDF rasterizer produces any Pixel format bitmap.
  • Support for linearized PDF creation (fast web view mode).
  • PDF Transparency support for rendering.
  • PDF rendering speed increased by 15-30% with lower memory usage.
  • PDF formfield and annotation flattening quality increased.
  • PDF support for alpha channel when adding 32-bit ARGB bitmap (soft mask).
  • PDF Document Viewing preference support.
  • Full files attachment support (embedded file stream).
  • Full PDF transparency support (blend modes).
  • Graphics state stack and transformation matrix support.
  • Digital signature validation with certificate and document content checking as well as digital certificate support with stamp.
  • Page duplication and drawing support.
  • Bookmark reading and writing support.
  • Adding pages directly from another PDF.

Document Imaging

  • Speed improvement of the document imaging filters (autodeskew, despeckle…)
  • New 8bpp and 4bpp quantizer with very high quality, high speed and low memory usage.
  • GIF encoder enhancement to produce better quality image with a dramatically increased speed.
  • Faster image resizer on indexed bitmaps.
  • Memory usage drastically decreased for document filters.
  • Better support for large tiff files (IE 4GB multipage tiff documents).
  • Dramatic speed increase in handling editable multipage tiff & gif.
  • Multipage documents opened in read and write mode by default (as fast as the previous read-only mode).
  • New blob, noise and sophisticated line removal filters.


  • Detection of barcode type specification during 1D barcode recognition process.
  • Option to return undecodable barcode.
  • Added option to specify the number of expected recognized barcode for 1D, Datamatrix , QRCode and PDF417 reader.
  • Speed and accuracy of the 1D, QR-Code and DataMatrix barcode readers increased.Memory usage decreased.
  • New PDF417 Barcode Reader Plugin.

The PDF417 Barcode Recognition Plugin also has its dedicated page. You will find it here.

How do I upgrade to GdPicture.NET 9?

According to our policies all our GdPicture licenses come with a 6 month upgrade protection. Owners of a GdPicture.NET license version 8 since January 1st 2012 are eligible for a free upgrade to GdPicture.NET 9. For any upgrade request, create a sales ticket (which includes your license key serial number) on our helpdesk at selecting the sales upgrade department.

For other cases, you will find our pricing list here. Do not hesitate to contact us if you need anything!

We wish you the very best for your projects!


The GdPicture Team