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Re: [ft-devel] ttinterp.c optimization
From: |
Werner LEMBERG |
Subject: |
Re: [ft-devel] ttinterp.c optimization |
Date: |
Tue, 02 Sep 2014 13:38:17 +0200 (CEST) |
>> Contrary to CVT values, which are computed before a glyph's
>> bytecode program gets executed, the ppem value is dependent on the
>> projection vector, which can be modified *by the bytecode itself*,
>> namely by SPVTCA and friends. In other words, you have to set
>> `func_cur_ppem' in `Compute_Funcs' and not `TT_RunIns'.
>
> Huh? It does not matter if x_ppem == y_ppem. Nothing can change that
> and ppem does not depend on projVector in this case. This is what is
> implemented.
Ah, right, my mistake. Sometimes such simple mathematical facts
escape me :-)
Please commit!
Werner