[GEM-dev] [pd-gem:bugs] #220 [text3d] crashes PD if the letter "p" is typed

["IOhannes m zmölnig"]

thanks for figuring out the problem.

anyhow: my opinion is that Gem is not at fault here. 

Gem uses [FTGL](http://ftgl.sf.net) for font rendering (FTGL in turn uses libfreetype to decide the font), and it seems that it is really FTGL that is crashing.

doing a quick check with FTGLDemo (2.1.3~rc5) shows that FTGL is indeed crashing:
  - start `./FTGLDemo /path/to/Beams.ttf`
  - (rendering seems to work though there are a lot of artefacts)
  - type <kbd>Left</kbd> (*ARROW-LEFT* to decrease font-size)
  - CRASH

alternatively running `./FTGLMFontDemo /path/to/Beams.ttf` immediately crashes.

the problem persists with the current SVN version of FTGL.


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** [bugs:#220] [text3d] crashes PD if the letter "p" is typed**

**Status:** open
**Created:** Sun Dec 08, 2013 09:22 PM UTC by hellocatfood
**Last Updated:** Mon Dec 30, 2013 04:29 AM UTC
**Owner:** nobody

I'm using PD extednded 0.43.4 and have noticed that when using some fonts [text3d] will crash PD when a string with five or more characters is entered.

Font used is Beams: http://openfontlibrary.org/en/font/beams

And the error returned is:

``pd: ../src/libtess/priorityq.c:164: __gl_pqSortInit: Assertion `((((GLUvertex *)**(i+1))->s < ((GLUvertex *)**i)->s) || (((GLUvertex *)**(i+1))->s == ((GLUvertex *)**i)->s && ((GLUvertex *)**(i+1))->t <= ((GLUvertex *)**i)->t))' failed.
Pd: signal 6``

I using a Dell XPS 13 developer edition running Ubuntu 13.10 with Intel® Ivybridge Mobile graphics and Intel® Core™ i7-3537U CPU @ 2.00GHz × 4 processors

I've attached a patch and the font file for testing



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