[cairo] [PATCH 1/3] NEWS: Bring up to date with recent bug fixes.
bryce at osg.samsung.com
Wed Sep 17 20:40:06 PDT 2014
Signed-off-by: Bryce Harrington <bryce at osg.samsung.com>
NEWS | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 66 insertions(+), 3 deletions(-)
diff --git a/NEWS b/NEWS
index e98be61..31f7e9d 100644
@@ -1,7 +1,15 @@
Release 1.??.?? (??)
+Hard to believe it's been over a year since our last release, but it's
+not for lack of activity. This release includes contributions of a wide
+assortment of bug fixes, build system improvements, warnings cleanups,
+codebase refactoring, test suite repairs, and static analysis work.
+This release is lighter on features (compared with 1.12.10) but includes
+a highly demanded rehaul of our image downscaling functionality, which
+solves a serious problem experienced by Inkscape users when shrinking
+embedded bitmaps in SVG files.
+While not as exciting in terms of new fe
@@ -11,6 +19,23 @@ Features
when viewing large images on low resolution devices, as firefox and
chromium already do.
+ Filter generator:
+ - Single filter, no "reconstruction" and "sample" filter
+ - Filters for derivative < 1 work
+ - Fixed IMPULSE and BOX
+ - Added TENT, CATMULL_ROM, NOTCH. Remove LANZCOS2.
+ - Renamed CUBIC to MITCHELL
+ Cairo's filter settings:
+ - CAIRO_FILTER_GOOD: uses BOX filter for scales less than .75 in
+ either direction. Uses PIXMAN_FILTER_GOOD (ie BILINEAR) otherwise.
+ - CAIRO_FILTER_BEST: uses CATMULL filter always. Upscaling more than
+ 2x will produce anti-aliased square pixels, similar to OS/X.
+ - CAIRO_FILTER_GAUSSIAN: this obsolete value is used to test other
+ filters. The program must declare and poke the filter into the
+ static variable ikernel. This should be removed for production
Improve handling of device transformation and scaling, allowing Cairo
to now support scaling at a device level, permitting easier, more
transparent HiDPI support.
@@ -25,9 +50,17 @@ Features
Reorder font declarations to be in natural order.
+ Update the Skia backend to build against current Skia (as of June
+ Drop Link-Time Optimization (LTO) support from build system. This
+ seems to have caused much trouble for unclear benefit, and most
+ distros are reverting or disabling it anyway.
New public functions cairo_surface_set_device_scale and
cairo_surface_get_device_scale are available.
@@ -38,6 +71,7 @@ Dependency Changes
Cairo now requires glib 2.14 for its gobject helper functions,
and pixman 0.30 for downscaling.
@@ -101,9 +135,38 @@ Bug fixes
American rather than British spelling of this word.
+ Fix crash in pixman_image_composite32
Fix crash when trying to modify a (const) all-clipped cairo_clip_t
+ Add check_composite method to all compositors, to fix crashes in the
+ test suite.
+ Fix crash in Firefox when scrolling on certain pages.
+ Fix memory leaks found by static analysis.
+ Fix build of any2ppm if fork is not available.
+ Fix broken build for Qt backend, due to missing libstdc++.
+ Fix typo in two cairo_uint128 functions. Fixes potential build issues
+ on systems without a uint128 type.
+ Fix build when --enable-pdf=no
+ Fix cache_frozen assertions for Win32 print.
+ Correctly check for xcb image surface for inplace upload
+ Fix webkit-based web browser crashes due to empty boxes by skipping
+ over them when tesselating.
+ Make pixman, libpng, and zlib paths commandline configurable for win32
+ Fix image scale on Win32 when GDI scale is not identity.
Various cleanups and fixes to warnings, documentation, tests, and
build system. Improve error handling and return value checks.
@@ -518,8 +581,8 @@ cases (such as stroking around a rectangle) and by reducing the number
of edges generated by the general stroker.
As part of the focus on performance, Cairo 1.12 introduces some
-antialias hints (NONE,FAST, GOOD, BEST) that are interpolated by the
-raserisers to fine tune their performance versus quality. Cairo 1.12
+antialias hints (NONE, FAST, GOOD, BEST) that are interpolated by the
+rasterisers to fine tune their performance versus quality. Cairo 1.12
also introduces a new observation architecture,
cairo_surface_observer_t, which can be used to analyse the amount of
time consumed by drawing commands and help identify inefficiencies in
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