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NEWS: Add notes for cairo 1.4.2
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Carl Worth
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NEWS
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Release 1.4.2 (2007-03-19 Carl Worth <cworth@cworth.org>)
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=========================================================
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This is the first update release in cairo's stable 1.4 series. It
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comes just less than 2 weeks after 1.4.0. We hadn't anticipated an
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update this early, but we've managed to collect some important fixes
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that we wanted to get out to cairo users as soon as possible, (6 fixes
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for crashes, 1 case where graphical elements would not be drawn at
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all, a handful of backend-specific bugs, and several important build
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fixes).
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There's almost nothing but bug fixes in this release, (see below one
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optimization that Behdad did sneak in), so we recommend that everyone
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upgrade to this release when possible.
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Thanks to the many people that worked to fix these bugs, and those
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that did the work to report them and to test the fixes, (wherever
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possible both names are credited below).
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Critical fixes
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--------------
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• Fix a crash due to a LOCK vs. UNLOCK typo (M. Drochner fixing Carl
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Worth's embarrassing typo).
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http://bugs.freedesktop.org/show_bug.cgi?id=10235
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• Fix potential buffer overflow, which on some systems with a checking
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variant of snprintf would lead to a crash (Adrian Johnson, Stanislav
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Brabec, and sangu).
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https://bugs.freedesktop.org/show_bug.cgi?id=10267
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https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=232576
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• Fix a crash in cairo_stroke_extents or cairo_in_stroke when line
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width is 0.0. (Carl Worth and Sebastien Bacher)
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https://bugs.freedesktop.org/show_bug.cgi?id=10231
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• Fix a crash on certain combinations of X server/video drivers (Carl
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Worth and Tomas Carnecky).
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https://bugs.freedesktop.org/show_bug.cgi?id=10250
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• Fix a crash due to mishandling of invalid user input (Carl Worth and
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Alexander Darovsky).
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https://bugs.freedesktop.org/show_bug.cgi?id=9844
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• xlib: Cleanup server-side glyph caches on XCloseDisplay. This
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eliminated a crash detected by the perf suite, (and that
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applications could have run into as well). (Chris Wilson)
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Other bug fixes
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---------------
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• Fix for some geometry which simply disappeared under some
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transformations---a stroked line with an extreme skew in X, for
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example (Carl Worth and Jonathan Watt).
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https://bugzilla.mozilla.org/show_bug.cgi?id=373632
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• SVG: Fix radial gradients for CAIRO_EXTEND_REFLECT and when r0 > r1
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(Emmanuel Pacaud).
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• PDF: Set page group color space to DeviceRGB.
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This fixes incorrect (muddy) transparent colors when rendering cairo
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PDF output in some viewers. (Adrian Johnson, Adam Goode, and
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MenTaLguY).
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http://lists.freedesktop.org/archives/cairo/2006-November/008551.html
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• win32: Return correct metrics when hinting is off, and fix font
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descent computation (Behdad Esfahbod).
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• quartz: Fix glyph interfaces to correctly return user-space rather
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than device-space coordinates (Brian Ewins).
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https://bugs.freedesktop.org/show_bug.cgi?id=9568
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• xcb: Fix parameter-order confusion with xcb_create_pixmap, which now
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makes all tests that pass with xlib now pass with xcb (Carl Worth,
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Jamey Sharp).
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• Fix some memory leaks in the perf suite (Chris Wilson).
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• Fix perf suite to consider changes in pixman/src (Mathias
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Hasselmann).
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Build fixes
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-----------
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• Don't include pre-generated cairo-features.h file. This was causing
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build failures when building with the directfb backend enabled
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(Behdad Esfahbod).
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https://bugs.freedesktop.org/show_bug.cgi?id=10189
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• Eliminate use of maintainer mode from cairo's automake/configure
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script. This means that updates to files such as Makefile.am will
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take effect, (by rerunning automake and friends as necessary) when
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invoking make rather than being silently ignored. (Behdad Esfahbod)
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• Don't compile cairo-deflate-stream.c, which depends on zlib, unless
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building the pdf backend which requires it. (Carl Worth, Tor
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Lillqvist)
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https://bugs.freedesktop.org/show_bug.cgi?id=10202
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• Don't make the ps backend link against zlib anymore, since it
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doesn't require it (Carl Worth).
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• Use "find !" rather than "find -not" for better portability (Thomas
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Klausner).
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https://bugs.freedesktop.org/show_bug.cgi?id=10226
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• Don't use unsupported visibility attribute "hidden" on Solaris
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(Gilles Dauphin, Thomas Klausner).
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https://bugs.freedesktop.org/show_bug.cgi?id=10227
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Optimization
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------------
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• It was Behdad that suggested we focus strictly on bug fixes now that
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we shipped so many performance improvements in 1.4.0, but it was
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also Behdad that got distracted by the chance to remove a lot of
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mallocs from cairo. Paths, gstates, trapezoids, splines, polygons,
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and gradient color stops will now use small, stack-allocated buffers
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in the most common cases rather than calling malloc as
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often. (Behdad Esfahbod). And look for more from Mathias Hasselmann
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soon.
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Release 1.4.0 (2007-03-06 Carl Worth <cworth@cworth.org>)
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=========================================================
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The many people[*] who have been working hard on cairo are very
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