GdPicture.NET Logo

Blog

Using PDF Layers or Optional Content Groups (OCG) in GdPicture.NET

March 23, 2020

Communicating ideas in digital documents can often be made much clearer through the use of layers. Layers have been supported in PDF documents since version 1.5 through optional content groups (OCGs), also known as PDF layers. “Optional” is key here. OCGs allow us to group images or annotations together, then control their visibility based on […]

2019 Retrospective: A Year in Electronic Document Management

February 21, 2020

As we’re (already) reaching the end of February 2020 (and I’m still not writing faster), it is more than time to release our 2019 retrospective. A lot of things happened the past year, so it’s time to update your ORPALIS product to the latest version, if you haven’t done it in a while! What happened […]

Methods with Losses: Mixed Raster Content (MRC) Compression

December 20, 2019

Previously in our PDF Optimization In-depth Series: 1. Introduction to the Optimization of Existing PDF files: Methods 2. Lossless Methods: Optimization of Document Content 3. Lossless Methods: Compression of Streams and Fonts 4. Methods with Losses: JPEG 2000 and JBIG2 5. Methods with losses: resizing, color detection, and other techniques MRC compression in PDF documents […]

Methods with losses: resizing, color detection, and other techniques.

December 6, 2019

Previously in the PDf Optimization In-depth Series. 1. Introduction to the Optimization of Existing PDF files: Methods 2. Lossless Methods: Optimization of Document Content 3. Lossless Methods: Compression of Streams and Fonts 4. Methods with Losses: JPEG 2000 and JBIG2 Resizing images Resizing images can provide significant gains in occupancy. For example, decreasing unnecessary high […]

Methods with Losses: JPEG2000 and JBIG2

November 29, 2019

Previously published in the PDf Optimization In-depth Series: 1. Introduction to the Optimization of Existing PDF files: Methods 2. Lossless Methods: Optimization of Document Content 3. Lossless Methods: Compression of Streams and Fonts Sometimes, when acceptable or necessary, it may be interesting to recompress images already included in an existing PDF file to reduce the […]

Use Safer Signing Process with GdPicture.NET

October 24, 2017

  Hi everyone, As most of you know, GdPicture.NET 14 toolkit offers, among numerous PDF features, the possibility to digitally sign or certify your PDF documents using digital IDs as well as the ability to decrypt shared PDF documents using digital certificates. Now we would like to introduce you to the new improved and enriched […]