Re: [Devel] FT 2.1.2 - rotation "bug"

[Jan Slupski]

On Mon, 22 Jul 2002, Scott Long wrote:

> >What decision is made with rotation matrix?
> >Will FT 2.1.3 be compatible in this subject with FT 2.1.2 
> >or with <= FT 2.1.1 ?
> >
> >In my opinion it's dangerous to change API (so leaving compatible 
> >with
> >2.1.2). Installing new (minor) version of library shouldn't break
> >all programs written before. And it will.
> 
> Are you referring to the rotation bug where the rotated text gets 
> rotated through twice the angle it should have been rotated? But only 
> when autohinting is ON? I thought that bug went away..

No, no.


> If you are talking about a different bug, which one are you referring 
> to? The double-rotation bug was really nasty IMHO, and deserved to get 
> fixed even if it broke some programs..

Isuue I'm talking about was discused here:
  http://www.freetype.org/pipermail/devel/2002-June/003562.html

Question: 
  I fear we have to add a big exclamation mark that the transformation
  functions were incorrect in previous versions.  Still using the
  incorrect functions is perhaps not a good idea...

  Alternatively, we could introduce new functions for `correct'
  multipication.  While this may be backwards compatible, it is really
  extremely bizarre IMHO.
was asked here:
  http://www.freetype.org/pipermail/devel/2002-June/003565.html

Sorry for not complete information, but FT_Library_Version was my main
problem this time.

Jan 


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