Search results for: Understanding the PDF file format

Understanding the PDF file Format – Custom font encodings

One very powerful feature of the PDF file specification is the ability is the option to create custom font encodings. This means that for...
Mark Stephens
1 min read

Understanding the PDF file Format – What are CID…

There are 2 main font technologies used in PDF font files (Postscript/Type1 and Truetype). There is also a ‘merged’ format which borrows features from...
Mark Stephens
1 min read

Understanding the PDF File format series

We have been publishing a series of articles entitled Understanding the PDF file format. In each article we try to take a specific PDF...
Mark Stephens
11 sec read

Understanding the PDF file format – interactive elements

One of the really useful features of the PDF file format is the ability to have interactive elements. These began as just simple checkboxes,...
Mark Stephens
1 min read

Understanding the PDF file format – Layers

One of the really cool features about PDF files is that they are not a boring, static file format – they can interact with...
Mark Stephens
1 min read