[cairo] cairo release 1.12.14 now available
chris at chris-wilson.co.uk
Sun Feb 10 06:13:54 PST 2013
A new cairo release 1.12.14 is now available from:
which can be verified with:
(signed by Chris Wilson)
Additionally, a git clone of the source tree:
git clone git://git.cairographics.org/git/cairo
will include a signed 1.12.14 tag which points to a commit named:
which can be verified with:
git verify-tag 1.12.14
and can be checked out with a command such as:
git checkout -b build 1.12.14
Release 1.12.14 (2013-02-10 Chris Wilson <chris at chris-wilson.co.uk>)
In the last week we had a few more bugs reported and promptly resolved.
As these are a combination of regressions and stability issues, it is
time for a prompt update and release. Many thanks to everyone for
testing and reporting issues, and helping to make Cairo better.
Prevent user callbacks accessing user-data during destroy to prevent
Use standard names for glyphs in subset fonts (PDF).
Fix detection of Win98. The logic for detecting Win98 (and its broken
AlphaBlend()) was inverted, disabling AlphaBlend() for everyone.
Prevent numeric overflow from extrapolating polygon edges to the clip
boundary and causing severe render artifacts.
Fix computation of glyph string coordinates when breaking up runs
Fix an assertion in the win32 backend for failing to clear its
What is cairo
Cairo is a 2D graphics library with support for multiple output
devices. Currently supported output targets include the X Window
System (via both Xlib and XCB), quartz, win32, and image buffers,
as well as PDF, PostScript, and SVG file output. Experimental backends
include OpenGL, BeOS, OS/2, and DirectFB.
Cairo is designed to produce consistent output on all output media
while taking advantage of display hardware acceleration when available
(for example, through the X Render Extension).
The cairo API provides operations similar to the drawing operators of
PostScript and PDF. Operations in cairo include stroking and filling
cubic Bézier splines, transforming and compositing translucent images,
and antialiased text rendering. All drawing operations can be
transformed by any affine transformation (scale, rotation, shear,
Cairo has been designed to let you draw anything you want in a modern
2D graphical user interface. At the same time, the cairo API has been
designed to be as fun and easy to learn as possible. If you're not
having fun while programming with cairo, then we have failed
somewhere---let us know and we'll try to fix it next time around.
Cairo is free software and is available to be redistributed and/or
modified under the terms of either the GNU Lesser General Public
License (LGPL) version 2.1 or the Mozilla Public License (MPL) version
Where to get more information about cairo
The primary source of information about cairo is:
The latest versions of cairo can always be found at:
Documentation on using cairo and frequently-asked questions:
Mailing lists for contacting cairo users and developers:
Roadmap and unscheduled things to do, (please feel free to help out):
Chris Wilson, Intel Open Source Technology Centre
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