thanks for figuring out the problem.

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

Gem uses FTGL 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 Left (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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