From: Carl Worth <cworth@cworth.org>
Date: 19 Mar 2007
To: cairo-announce@cairographics.org
Cc: gnome-announce-list@gnome.org
Subject: cairo release 1.4.2 now available
A new cairo release 1.4.2 is now available from:
http://cairographics.org/releases/cairo-1.4.2.tar.gz
which can be verified with:
http://cairographics.org/releases/cairo-1.4.2.tar.gz.sha1
9e7a323fc7d81d5011044d7eb22db3bf26ff7314 cairo-1.4.2.tar.gz
http://cairographics.org/releases/cairo-1.4.2.tar.gz.sha1.asc
(signed by Carl Worth)
Additionally, a git clone of the source tree:
git clone git://git.cairographics.org/git/cairo
will include a signed 1.4.2 tag which points to a commit named:
aba2b299db163d8a5b9d0a0214cd8a485fb87162
which can be verified with:
git verify-tag 1.4.2
and can be checked out with a command such as:
git checkout -b build 1.4.2
This is the first update release in cairo's stable 1.4 series. It
comes just less than 2 weeks after 1.4.0. We hadn't anticipated an
update this early, but we've managed to collect some important fixes
that we wanted to get out to cairo users as soon as possible, (6 fixes
for crashes, 1 case where graphical elements would not be drawn at
all, a handful of backend-specific bugs, and several important build
fixes).
There's almost nothing but bug fixes in this release, (see below one
optimization that Behdad did sneak in), so we recommend that everyone
upgrade to this release when possible.
Thanks to the many people that worked to fix these bugs, and those
that did the work to report them and to test the fixes, (wherever
possible both names are credited below).
-Carl
What's new in cairo 1.4.2 since 1.4.0
=====================================
Critical fixes
--------------
• Fix a crash due to a LOCK vs. UNLOCK typo (M. Drochner fixing Carl
Worth's embarrassing typo).
http://bugs.freedesktop.org/show_bug.cgi?id=10235
• Fix potential buffer overflow, which on some systems with a checking
variant of snprintf would lead to a crash (Adrian Johnson, Stanislav
Brabec, and sangu).
https://bugs.freedesktop.org/show_bug.cgi?id=10267
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=232576
• Fix a crash in cairo_stroke_extents or cairo_in_stroke when line
width is 0.0. (Carl Worth and Sebastien Bacher)
https://bugs.freedesktop.org/show_bug.cgi?id=10231
• Fix a crash on certain combinations of X server/video drivers (Carl
Worth and Tomas Carnecky).
https://bugs.freedesktop.org/show_bug.cgi?id=10250
• Fix a crash due to mishandling of invalid user input (Carl Worth and
Alexander Darovsky).
https://bugs.freedesktop.org/show_bug.cgi?id=9844
• xlib: Cleanup server-side glyph caches on XCloseDisplay. This
eliminated a crash detected by the perf suite, (and that
applications could have run into as well). (Chris Wilson)
Other bug fixes
---------------
• Fix for some geometry which simply disappeared under some
transformations---a stroked line with an extreme skew in X, for
example (Carl Worth and Jonathan Watt).
https://bugzilla.mozilla.org/show_bug.cgi?id=373632
• SVG: Fix radial gradients for CAIRO_EXTEND_REFLECT and when r0 > r1
(Emmanuel Pacaud).
• PDF: Set page group color space to DeviceRGB.
This fixes incorrect (muddy) transparent colors when rendering cairo
PDF output in some viewers. (Adrian Johnson, Adam Goode, and
MenTaLguY).
http://lists.freedesktop.org/archives/cairo/2006-November/008551.html
• win32: Return correct metrics when hinting is off, and fix font
descent computation (Behdad Esfahbod).
• quartz: Fix glyph interfaces to correctly return user-space rather
than device-space coordinates (Brian Ewins).
https://bugs.freedesktop.org/show_bug.cgi?id=9568
• xcb: Fix parameter-order confusion with xcb_create_pixmap, which now
makes all tests that pass with xlib now pass with xcb (Carl Worth,
Jamey Sharp).
• Fix some memory leaks in the perf suite (Chris Wilson).
• Fix perf suite to consider changes in pixman/src (Mathias
Hasselmann).
Build fixes
-----------
• Don't include pre-generated cairo-features.h file. This was causing
build failures when building with the directfb backend enabled
(Behdad Esfahbod).
https://bugs.freedesktop.org/show_bug.cgi?id=10189
• Eliminate use of maintainer mode from cairo's automake/configure
script. This means that updates to files such as Makefile.am will
take effect, (by rerunning automake and friends as necessary) when
invoking make rather than being silently ignored. (Behdad Esfahbod)
• Don't compile cairo-deflate-stream.c, which depends on zlib, unless
building the pdf backend which requires it. (Carl Worth, Tor
Lillqvist)
https://bugs.freedesktop.org/show_bug.cgi?id=10202
• Don't make the ps backend link against zlib anymore, since it
doesn't require it (Carl Worth).
• Use "find !" rather than "find -not" for better portability (Thomas
Klausner).
https://bugs.freedesktop.org/show_bug.cgi?id=10226
• Don't use unsupported visibility attribute "hidden" on Solaris
(Gilles Dauphin, Thomas Klausner).
https://bugs.freedesktop.org/show_bug.cgi?id=10227
Optimization
------------
• It was Behdad that suggested we focus strictly on bug fixes now that
we shipped so many performance improvements in 1.4.0, but it was
also Behdad that got distracted by the chance to remove a lot of
mallocs from cairo. Paths, gstates, trapezoids, splines, polygons,
and gradient color stops will now use small, stack-allocated buffers
in the most common cases rather than calling malloc as
often. (Behdad Esfahbod). And look for more from Mathias Hasselmann
soon.
