Le sextidi 16 thermidor, an CCXXV, Martin Read a écrit : > On a computer screen, I tend to find that sans or quasi-sans (e.g. fonts > where 'I' and 'l' have serifs but other letters mostly don't) fonts are more > comfortable to read (and, in particular, hold up better at small point > sizes).
At small point sizes, the bitmap fonts still beat the vectorial fonts in terms of readability. For my XTerms, I use courR12.pcf.gz from xfonts-75dpi, aka -adobe-courier-medium-r-normal--12-120-75-75-m-70-iso10646-1; its glyphs are 7×13 pixels. I would not change it for a vectorial font. I sometimes also use 7x13.pcf.gz from xfonts-base, aka -misc-fixed-medium-r-normal--13-120-75-75-c-70-iso10646-1 because it is more complete. Notice that -adobe-courier-* is a serif font while -misc-fixed- is a sans-serif font. But I find -adobe-courier-* much more readable, especially for long text (and when I say long, I mean MBOTF-long). Another point where the bitmap fonts beat the vectorial fonts at tiny sizes: you usually want your vectorial fonts anti-aliased, but at tiny sizes it hurts readability. Even worse, the anti-aliasing is done wrong: it is done without taking gamma correction into account. That means that when 50% intensity is wanted, it produces 22% intensity instead: black-on-white is too thick, white-on-black is too thin. Regards, -- Nicolas George
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