From d1fa4d44fe6b70eba6d5f620c5c4a6c122cc7fc8 Mon Sep 17 00:00:00 2001 From: Bryce Harrington Date: Wed, 17 Sep 2014 20:04:01 -0700 Subject: NEWS: Bring up to date with recent bug fixes. --- NEWS | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 66 insertions(+), 3 deletions(-) (limited to 'NEWS') diff --git a/NEWS b/NEWS index e98be6143..31f7e9d40 100644 --- a/NEWS +++ b/NEWS @@ -1,7 +1,15 @@ Release 1.??.?? (??) ==================== -intro text... +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 Features -------- @@ -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 + code. + 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 + 2014). + + 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. + API Changes ----------- + 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. + Bug fixes --------- @@ -101,9 +135,38 @@ Bug fixes American rather than British spelling of this word. https://bugs.freedesktop.org/show_bug.cgi?id=50411 + Fix crash in pixman_image_composite32 + Fix crash when trying to modify a (const) all-clipped cairo_clip_t https://bugs.freedesktop.org/show_bug.cgi?id=75819 + 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 + builds. + + 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 -- cgit v1.2.1