Download Posts

September 25, 2010 at 7:19 pm

Ability to download posts has been added. You have the choice of two formats:

  • Markdown: Lightweight as-is-original source for the post. I use markdown mostly due to my exposer to it from stackoverflow and it quickly won me over. I rarely, if ever, use anything else.
  • PDF: Portable Document Format (PDF) from Adobe is one of the leading document formats due to it’s extremely “correct” display on every platform. I added this in case a more print ready version was needed, or if zipping up and emailing to someone else.

Some key differences:

Feature Markdown PDF
Date No Yes
Author No Yes
Title Yes Yes
Styling None Yes
Colors No Yes
Images Linked Embedded
Links [source] Hyperlinked

Essentially the PDF version is a properly formatted print version while the markdown source is “raw” in the sense that you could paste it into any Markdown editor and get the formatting back.

Implementing the Markdown was easy as expected.1 PDF’s from HTML source was a bit tricky. After taking a look at Zend_PDF and realizing I didn’t want to write my own library, I checked the usual suspects, SO was mildly helpful with some expensive (but good) commercial software. The CodeIgniter wiki was much better with a PDF generation using dompdf write up. That only major issue I noticed was that it didn’t accept linked stylesheets, and for some reason saying line-height: 1.5; made it go a bit nuts, leaving all the text squished on a few random lines. I wrote up a specific printhead view with all the proper style embedded and then tweaked it slightly. Doesn’t look amazing, but much better then standard fair.

  1. I expect everything to be easy until it isn’t. 


September 2010

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