[Bug 856239] fuzzy font rendering (Liberation 2 regression)

[bugzilla at redhat.com]

Product: Fedora
https://bugzilla.redhat.com/show_bug.cgi?id=856239

--- Comment #118 from Mike FABIAN <mfabian at redhat.com> ---
Created attachment 656619
  --> https://bugzilla.redhat.com/attachment.cgi?id=656619&action=edit
liberation-sans-2-autohint=true-different-hintstyles-rgba=rgb.png

And one more screenshot using Liberatin 2.00 using the autohinter.

rgba=rgb
hinting=true
autohint=true  <- i.e. *not* using the byte code

always and then the results for

hintstyle={hintfull,hintmedium,hintslight,hintnone}

are compared.

hintmedium and hintslight give identical results.

hintnone is slightly fuzzier.

hintfull is slightly sharper.

But the differences are small, *all* of them are quite fuzzy.

=> using the autohinter, liberation sans 2.00 also never renders
as sharp as liberation 1.07 with the bytecode interpreter and hintfull.

No matter what settings are used for liberation sans 2.00, it will
always render much fuzzier then liberation 1.07.

comment#109, Kevin Kofler> And I wonder whether the hinting in
comment#109, Kevin Kofler> CrosCore / Liberation 2 is the result of
comment#109, Kevin Kofler> running ttfautohint or some other
comment#109, Kevin Kofler> low-quality automated process.

I also think this has likely been done by some automated process,
I think byte code for very sharp rendering as in liberation 1.07
cannot be done automatically, it is a tedious manual process.

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