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Re: [Devel] Freetype 2.1.2 & rotated text
From: |
Werner LEMBERG |
Subject: |
Re: [Devel] Freetype 2.1.2 & rotated text |
Date: |
Thu, 27 Jun 2002 11:53:16 +0200 (CEST) |
> It's probably something that I should have looked more deeply before
> the release, but why do you consider the "old" implementation of
> FT_Vector_Transform buggy ???
I was irritated by the word `matrix'. Taking (x,y) as a vector,
performing multiplication in the mathematical sense, you get a
different result. Maybe it is better to use the word `coefficient
field' instead of `matrix' to avoid the error I've made.
> Note also that the OpenType specification doesn't specify wether a
> transformation matrix within a composite glyph is stored [ xx xy yx yy ]
> or [ xx yx xy yy ] (according to the FT_Matrix definition)
>
> The Apple TrueType specification suggests that it's really
> [ xx yx xy yy ] however. The TrueType loader expects [ xx xy yx yy ]
I've sent a query to the opentype list.
Werner
- [Devel] Freetype 2.1.2 & rotated text, Jan Slupski, 2002/06/25
- Re: [Devel] Freetype 2.1.2 & rotated text, Werner LEMBERG, 2002/06/26
- Re: [Devel] Freetype 2.1.2 & rotated text, Detlef Würkner, 2002/06/26
- Re: [Devel] Freetype 2.1.2 & rotated text, Detlef Würkner, 2002/06/26
- [Devel] Fix for FontMatrix xy swaps, Detlef Würkner, 2002/06/26
- Re: [Devel] Fix for FontMatrix xy swaps, David Turner, 2002/06/26
- Re: [Devel] Fix for FontMatrix xy swaps, Detlef Würkner, 2002/06/27
- Re: [Devel] Fix for FontMatrix xy swaps, Sven Neumann, 2002/06/27