Search results for: Understanding the PDF file format

Understanding the PDF File Format

We have been working with PDF files since 1999 and developed complex software to display PDF files. We have learnt a lot about the...
Leon Atherton
4 min read

Understanding the PDF File Format: Document and Page level

In my latest article on “Understanding the PDF File Format”, I want to to give you a better understanding of how a PDF file is...
Mark Stephens
2 min read

Understanding the PDF File Format: Your 5 minute guide…

Why are Indexed Colorspaces useful? Indexed colorspaces are very useful if you only have a limited number of colors in an image. If you...
Mark Stephens
1 min read

Understanding the PDF File Format: Blend Modes

The PDF File Format includes some very sophisticated features. One of the most interesting ones is the Blend Mode (introduced in PDF version 1.4)....
Mark Stephens
1 min read

Understanding the PDF file format – Embedded CMAP tables

Every glyf inside a PDF file can have a display value and a different extraction value. This is useful because often you need to...
Mark Stephens
2 min read