Author Archives: coherent

New features: o Split files to max size with -split-maxo Spray splits a file to multiple outputs by alternating pageso List document and page info in JSON formato List page labels in JSON formato List fonts in JSON formato Identify … Continue reading →

New features: o Create new PDF documents or draw on existing ones with -drawo Embed TrueType fonts with -font-ttfo Embed the 14 standard fonts if requestedo Add links to parts of text with -add-text as %URL[|]o Convert JPEGs and PNGs … Continue reading →

John Whitington has published a new book with Manning on the topic of book production, based in part on his experiences with PDF. From the publisher: “How Computers Make Books introduces what’s wonderful about computer science by telling the story of … Continue reading →

Coherent Graphics Ltd announced Coherentpdf.js., a PDF API in pure JavaScript for Node.js and the browser, which features all of the functionality of our command line tools and other APIs. It can be used both server side in node, and … Continue reading →

New features and improvements: New features: o Can read as well as write PDFs in JSON format with -jo New operation -typeset typesets a text file as a PDFo New operation -table-of-contents makes table of contents from bookmarkso New operations … Continue reading →

A Python interface to our popular PDF command line tools has been released for sale. It provides a single static or shared library containing our whole PDF library and CPDF interface. Pre-built binaries are available for Windows, Linux and MacOS. … Continue reading →

A C interface to our popular PDF command line tools has been released for sale. It provides a single static or shared library containing our whole PDF library and CPDF interface. Pre-built binaries are available for Windows, Linux and MacOS. … Continue reading →

CPDF Command Line Tools 2.4 is now available. New features and improvements: o New operation -extract-imageso New operation -output-json et al. to export PDF files in JSON formato New operations to manipulate Optional Content Groupso New operation -stamp-as-xobject to add … Continue reading →

A new introductory book on Python has been published, patterned after the successful books OCaml from the Very Beginning and Haskell from the Very Beginning. It can be obtained on the book’s own website, in electronic form, or from Amazon … Continue reading →

The book Haskell from the Very Beginning, has now been published. A printed copy may be obtained from Amazon for $29.99: https://www.amazon.com/dp/095767113X/ In Haskell from the Very Beginning John Whitington takes a no-prerequisites approach to teaching the basics of a … Continue reading →