I have a similar issue with 'rod.ttf' that comes with windows ( I think ) It renders mono fine, but antialiasing on diagonales makes it blotchy when rendered higher grey scale.
any chance you can try that one too? On Sat, Oct 4, 2014 at 6:37 AM, Werner LEMBERG <[email protected]> wrote: > > Folks, > > > I'm going to make a new release of ttfautohint in two days, if > everything's working fine. > > The perhaps most important feature is the addition of a `control > instructions file' to modify and adjust hints at a very low level. > > The first attached image shows glyphs `O' and `Q' (from font `Halant > Regular') at 12px, using only ttfautohint's `-w gGD' parameter to > force strong stem width and positioning. The hinting of glyph `Q' is > really bad, making the glyph vertically two pixels larger! Reason is > that this glyph doesn't contain a horizontal segment at the baseline > blue zone (y = 1; this corresponds to the segment 13-14 in the `O' > glyph). Normally, segment 1-2 would form a `stem' with the baseline > segment (as segment 7-8 does in glyph `O'). Instead, it forms a stem > with segment 19-20, which gets moved down (y = -1) because the whole > glyph appears to be stretched. > > The second attached image shows the same two glyphs, this time putting > the line `Q l 38 (-70,20)' into a separate control instructions file > (`add a segment with direction left at point 38 of glyph Q, starting > 70 font units left of point 38 and ending 20 font units right of point > 38'). Segment 1-2 now properly forms a stem with our artificial > segment at point 38, and the 'O'-like shape is properly positioned. > > A consequence of the above is that you no longer need to add auxiliary > points to a glyph so that ttfautohint's hinting algorithm forms > segments... > > If you are capable to build from the git repository, please check > whether everything compiles and runs! > > > Werner > > _______________________________________________ > Freetype mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/freetype > >
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