23 03, 2020

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

2020-10-01T11:56:30+02:00Categories: PDF, Tutorial|Tags: , , , , , |

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 [...]

20 12, 2019

Methods with Losses: Mixed Raster Content (MRC) Compression

2020-10-01T11:56:30+02:00Categories: General, PDF|Tags: , , , , , , , , |

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, [...]

6 12, 2019

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

2020-10-01T11:56:33+02:00Categories: General, PDF|Tags: , , , , , , , , |

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 [...]

Go to Top