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Date:      Wed, 13 Jun 2018 09:21:27 +0000
From:      bugzilla-noreply@freebsd.org
To:        gnome@FreeBSD.org
Subject:   [Bug 227761] print/freetype2: Fonts aren't correctly rendered with 2.9
Message-ID:  <bug-227761-6497-K4UQlXLSox@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-227761-6497@https.bugs.freebsd.org/bugzilla/>
References:  <bug-227761-6497@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D227761

--- Comment #20 from lightside <lightside@gmx.com> ---
(In reply to comment #16)
> Updated value for expected_checksum variable in test.sh script
> from attachment #193316
from attachment #193168

As about this PR, the Ghostscript v9.06 was unaffected to changes between
FreeType v2.8 and v2.8.1, if compare checksums for generated image.jpg file:
-8<--
sha256 9/*/image.jpg=20
SHA256 (9/VER-2-9-1-3-g2b3e0ef6c/image.jpg) =3D
ed83b79b56765d9ea69c405134e300310cf99c96cf464500a9cc841b3321df75
SHA256 (9/found/image.jpg) =3D
ed83b79b56765d9ea69c405134e300310cf99c96cf464500a9cc841b3321df75
SHA256 (9/prev/image.jpg) =3D
ed83b79b56765d9ea69c405134e300310cf99c96cf464500a9cc841b3321df75
-->8-

The git bisect found the same 75cb071b3fbfa2315c5d458fee2bb465a14568ae comm=
it
for Ghostscript v9.16 and v9.23, while they have different checksums for
generated image.jpg file:
-8<--
% sha256 agpl/*/*/image.jpg
SHA256 (agpl/9.16/VER-2-9-1-3-g2b3e0ef6c/image.jpg) =3D
81d778f88b71adbd4d99f9b405d53779042d02043bacd8f94f76d690e6ec1600
SHA256 (agpl/9.16/found/image.jpg) =3D
81d778f88b71adbd4d99f9b405d53779042d02043bacd8f94f76d690e6ec1600
SHA256 (agpl/9.16/prev/image.jpg) =3D
1370a12f43a024354c77b206c6af83a9ae330ca8d31361ceea2895a23458a9ec
SHA256 (agpl/9.23/VER-2-9-1-3-g2b3e0ef6c/image.jpg) =3D
d4f1f4b486b5cdb22c1f57a4c518b833ab37fb43ca1a723bb75e002e4d7de55e
SHA256 (agpl/9.23/VER-2-9-1-65-geaa5a42a1/image.jpg) =3D
d4f1f4b486b5cdb22c1f57a4c518b833ab37fb43ca1a723bb75e002e4d7de55e
SHA256 (agpl/9.23/found/image.jpg) =3D
d4f1f4b486b5cdb22c1f57a4c518b833ab37fb43ca1a723bb75e002e4d7de55e
SHA256 (agpl/9.23/prev/image.jpg) =3D
5c7f74eef068eaf2f3db0cb24a1fa0914dc4654e28b08b15ee1a1add8a0413de
-->8-

On the other hand, the Ghostscript v9.06 and v9.23 rendered the same charac=
ters
(in symbolic form; while visually different (a little)) for generated image=
.jpg
file.

Some changes between FreeType v2.8 and v2.8.1 affected Ghostscript v9.16, w=
hich
probably used different algorithms (or had some issue(s)) for related parts,
compared to Ghostscript v9.06.

--=20
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