On Fri, 17 May 2002 23:32:36 +0200, Danny Tholen wrote:

> 
>> > Slight improvement is perhaps possible. In the freetype2 src you find:
>> > /src/truetype/ttinterp.c:
>> > #undef NO_APPLE_PATENT
>> >
>> > defining this seems to disable the specific algorithm that is supposedly
>> > patented. In other words: you do get a bytecode interpreter (ofcourse you
>> > have to enable it first) with a few algoritms for font hinting, but not
>> > the patented ones.
>> >
>> > It is very font-dependent how this will look. I attach a screenshot of 4
>> > MS-ttf fonts enlarged with xmag. Do not use a zoomfactor when comparing
>> > them, because zooming will affect how it looks.
>> >
>> > I think it looks slightly better, exept for some Arial glyphs with lots
>> > of diagonals (this is specifically where the algorithm applies) WDYT
>> > Frédéric?
>>
>> Since you saw the problem with Arial fonts, you can understand why the
>> Freetype developers didn't activate the bytecode interpreter.. And we
>> can't either..
> 
> Huh? Did you understand what I wrote? This other option gives
> slightly better quality, and can probably be enabled without legal
trouble.

Yes, I read what you wrote : quality was better with some fonts but worse
with other (Arial) => since Arial is used a lot, we can't have a worse
Arial rendering than current one..

-- 
Fr�d�ric Crozat
MandrakeSoft


Reply via email to