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Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 81 |
1 files changed, 75 insertions, 6 deletions
@@ -1,12 +1,12 @@ Snapshot 1.9.8 (2010-06-12) =========================== - No API changes since the last snapshot, just a whole slew of bugs fixed and - inconsistencies eliminated. Far too many bugs fixed to individually - identify. We need to thank Benjamin Otte for his fantastic work on - the cairo-gl backend making it more faster and more robust, Andrea Canciani - for finding so many bugs and developing test cases for them, as well fixing - them. And last but not least we must all thank Adrian Johnson for + One major API changes since the last snapshot, and a whole slew of bugs + fixed and inconsistencies eliminated. Far too many bugs fixed to + individually identify. We need to thank Benjamin Otte for his fantastic + work on the cairo-gl backend making it faster and more robust, Andrea + Canciani for finding so many bugs and developing test cases for them, as + well fixing them. And last but not least we must all thank Adrian Johnson for continuing to eliminate bugs and improving the PostScript and PDF backends. This snapshot represents almost 4 months of bug fixing, bring Cairo to a @@ -17,6 +17,75 @@ Snapshot 1.9.8 (2010-06-12) every other week leading to a 1.10 release with a target date of 2010-08-16. +API additions +------------- + CAIRO_FORMAT_RGB16_565 + + 16 bit devices still remain popular, and so with great demand, + CAIRO_FORMAT_RGB16_565 has been restored enabling applications to create + and use 16 bit images as sources and render targets. + + cairo_surface_create_for_rectangle() + + It is common practice to cut an image up into many smaller pieces and use + each of those as a source - a technique called texture atlasing. + cairo_surface_create_for_rectangle() extends Cairo to directly support use + these subregions of another cairo_surface_t both as a source and as a render + target. + + cairo_region_create() + cairo_region_create_rectangle () + cairo_region_create_rectangles () + cairo_region_copy () + cairo_region_reference () + cairo_region_destroy () + cairo_region_equal () + cairo_region_status () + cairo_region_get_extents () + cairo_region_num_rectangles () + cairo_region_get_rectangle () + cairo_region_is_empty () + cairo_region_contains_rectangle () + cairo_region_contains_point () + cairo_region_translate () + cairo_region_subtract () + cairo_region_subtract_rectangle () + cairo_region_intersect () + cairo_region_intersect_rectangle () + cairo_region_union () + cairo_region_union_rectangle () + + The Cairo region API was actually added a couple of snapshots ago, but we + forgot to mention it at the time. A simple API for the handling of + rectangular pixel-aligned regions by Soeren Sandmann. + + +Backend-specific improvements +----------------------------- +cairo-gl + + Benjamin Otte made more than 300 commits in which he refactored the cairo-gl + backend, reducing a lot of code duplication and enabled him to begin working + on improving performance by reducing state changes and associated overhead. + +cairo-xlib + + Access to the underlying connection to the Display is now thread-safe + enabling cairo-xlib to be used in a multi-threaded application without fear + of random corruption. Thanks Benjamin Otte! + + cairo-xlib will now attempt to use PolyModeImprecise when compositing + trapezoids (i.e. a fill or a stroke operation with a non-trivial path) which + should allow hardware drivers more scope for accelerating the operation at + the cost of potentially incurring minute rendering errors. The mode can be + forced back to PolyModePrecise by setting the antialias parameter to + CAIRO_ANTIALIAS_SUBPIXEL. + +cairo-svg + + A notable improvement was contributed by Alexander Shulgin to enable SVG to + reference external image through the use an extended MIME data type. + Snapshot 1.9.6 (2010-02-19) =========================== API additions |