Re: [ft-devel] [PATCH] CJK Autohinter should not clump stems together when there are too many of them

[r6144]

在 2011-04-20三的 19:57 address@hidden
> On Wed, 20 Apr 2011 12:35:29 +0200 (CEST)
> Werner LEMBERG <address@hidden> wrote:
> >> One of my anxiety was that the priority to the black/white evenness
> >> can reduce the contrast of the complex glyph.  Please find attached
> >> picture comparing the results by HeiseiMaruGo-W4 at 16pt @ 72dpi. In
> >> my personal impression, the legibility of the strokes in enclosed
> >> area (like "日" or "目") is not important, but the legibility of the
> >> longest stroke should be respected. Please let me know how your
> >> opinion.
> >
> >Thanks for reviewing.  Do you have an idea how to increase the
> >legibility of the longest strokes?  Contrary to the proposed patch I
> >think that this what you suggest is quite hard a job to achieve since
> >you not only have to do feature analysis, e.g., mark horizontal stems
> >which are surrounded by vertical stems like this
> >
> >   |-----|
> >
> >as `unimportant', but also distort the glyph accordingly so that
> >`important' stems are aligned to the grid...
> 
> I think what I requested (the longest stem should not be
> blurred) is difficult to co-exist with the proposed patch.
> So, if we find some comments that the rasterized result
> by 2.2.5 is too blurred and 2.2.4 is better, I will propose
> to revert the patch and discuss the appropriate condition
> to enable the feature. Fortunately, the proposed patch is
> not drastic.

Yes, the long horizontal stroke at the middle of 量 often gets blurred
by the patch.  It would be better if we align the longest strokes first
rather than doing it greedily, but after using this patch for two
months, I think the current result is good enough for now.  Thank you
for reviewing the patch.

r6144