[squeak-dev] Re: [Ann] Enhanced StrikeFonts (antiAliasing,
subPixel AA)
Bert Freudenberg
bert at freudenbergs.de
Wed Aug 5 16:39:29 UTC 2009
On 05.08.2009, at 18:17, Juan Vuletich wrote:
> Bert Freudenberg wrote:
>> Juan,
>>
>> the new StrikeFonts look nicely crisp, but the letter spacing seems
>> to be off. Compare this new to old rendering:
>>
>> (image snipped)
>>
>>
>>
>> Can this be made more homogenous? The space after the "r" seems to
>> be too large, and the sequence "lit" looks very uneven compared to
>> the right, older shot.
>>
>
> I created the fonts automatically, from a sample rendered with
> FreeType, using area each glyph uses. In this case, the $r has a
> very light blue pixel at the topRight. I can modify the script to
> ignore pixels that are too light when setting the bounds for the
> glyph, but I can not guarantee perfect results unless glyphs are
> tweaked by hand.
Yes, under magnification I see thew problem ... oh well :)
>> Secondly, can the sub-pixel AA be disabled on the fly? It leads to
>> visible color fringes when the subpixel layout does not match your
>> AA.
>>
>
> Sure. See Preference #subPixelRenderFonts.
Hmm, this does not show up in the Preferences panel ... also, when I
disable that, all pixels become full black, so this is unusable.
- Bert -
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