Tag Archive for 'gnupdf'

Final Degree Project report available

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The report containing my experience collaborating with the GNU PDF project is available for download here (look for the link named 73459.pdf). It contains useful information for newcomers, as well as a complete log of developments, experiences and interactions performed during this period. Presentation slides (in catalan!) are available here. The Final Degree Project is [...]

PDF standards comparison: PDF/A vs PDF 1.4

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The PDF file format, far from being a unique language definition, gathers an extensive family of sublanguages (which we friendly call dialects) and specifications. These specifications make the format richer, and allow a better fitting between the language restrictions and requirements of real scenarios. On the other hand, the library has to consider all these [...]

1,000 visitors, thank you!

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In its very first 5 months of life, Portable Document Features has reached 1,000 visitors. Most of you have been coming from gnupdf.org or planet.gnu.org, but some others have reached the blog googling around about how to install the GNU PDF Library on your systems, how to start up with hacking the lib or just [...]

Dealing with errors in the GNU PDF Library

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The most effective debugging tool is still careful thought, coupled with judiciously placed print statements (Brian Kernighan) The GNU PDF project takes testing very seriously. Despite this, while programming functionalities that rely on uderlying modules, a returning value reporting if something went wrong in a call has a very high value. So, in this post [...]

Make GNU PDF manuals: converting texi files to html or pdf

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All documentation in GNU PDF, as in many other free software projects, is written using texinfo. Texinfo is a documentation format by Richard Stallman and Bob Chassell, which aims to integrate all the project documentation in a unique source, and then produce any desired output document format in an automatic and transparent way. As described [...]

First hacking session with GNU PDF library

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In this short session we’ll get running a minimal piece of C code which uses types and functions of the types module, in the base layer of the GNU PDF library. For more information about the GNU PDF library architecture, please go here. First of all, create a directory to store these little hacking things: [...]

Install GNU PDF library from source

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First of all, this post is a clarification of the official GNU PDF library newcomers guide, found here, and a more explicit explanation steps than those found in the INSTALL and README files of the source trunk. There is no intention here to replace, but to better explain the contents of these sources, and I [...]

Welcome to PDF — a blog about GNU PDF developing

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As some may know, this is the final year of my degree in Facultat d’Informàtica de Barcelona (FIB, UPC). If everything goes as it should (and, believe me, it will), someday in the end of June 2011 I will be a Computer Engineer, Computer Scientist, Computer Science Engineer or put_here_your_favourite_computing_degree_title. As some others (I guess [...]