freetype-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [ft-devel] ftgrays - exact pixel coverage?


From: Werner LEMBERG
Subject: Re: [ft-devel] ftgrays - exact pixel coverage?
Date: Thu, 09 Feb 2012 16:09:39 +0100 (CET)

>> ... this deserves a comment in the code (near the word `exact' :-).
>> Alexei, can you prepare something?
>>
> 
> What was the situation before the flattening was introduced?

No idea :-)

> As it stands right now with permitted deviation of up to ONE_PIXEL /
> 8, The coverage can be missed by as much as 0.169 of a pixel in the
> absolute worst (diagonal) case and less than half of that on
> average.  So we are still better than 8 levels of gray from Redmond
> on average.  How much better do we want to be is a real question.

Again I have no idea.  However, I would like to have a comment which
mentions that due to flattening we slightly deviate from the `exact'
values.


    Werner



reply via email to

[Prev in Thread] Current Thread [Next in Thread]