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@@ -1,3 +1,62 @@ +Snapshot 1.3.10 (2006-12-23 Carl Worth <cworth@cworth.org>) +=========================================================== +Santa Claus is coming just a little bit early this year, and he's +bringing a shiny new cairo snapshot for all the good little boys and +girls to play with. + +This is the fifth development snapshot in the 1.3 series. It comes 9 +days after the 1.3.8 snapshot, and still well within our goal of +having a new snapshot every week, (though don't expect one next +week---we'll all be too stuffed with sugar plums). + +Speaking of sugar plums, there's a sweet treat waiting in this cairo +snapshot---greatly improved performance for stroking rectilinear +shapes, like the ever common rectangle: + +image-rgb box-outline-stroke-100 0.18 -> 0.01: 25.58x speedup +████████████████████████▋ +image-rgba box-outline-stroke-100 0.18 -> 0.01: 25.57x speedup +████████████████████████▋ +xlib-rgb box-outline-stroke-100 0.49 -> 0.06: 8.67x speedup +███████▋ +xlib-rgba box-outline-stroke-100 0.22 -> 0.04: 5.39x speedup +████▍ + +In past releases of cairo, some people had noticed that using +cairo_stroke to draw rectilinear shapes could be awfully slow. Many +people had worked around this by using cairo_fill with a more complex +path and gotten a 5-15x performance benefit from that. + +If you're one of those people, please rip that workaround out, as now +the more natural use of cairo_stroke should be 1.2-2x faster than the +unnatural use of cairo_fill. + +And if you hadn't ever implemented that workaround, then you just +might get to see your stroked rectangles now get drawn 5-25x faster. + +Beyond that performance fix, there are a handful of bug fixes in this +snapshot: + + * Fix for glyph cache race condition in glitz backend (Jinghua Luo) + + * Many fixes for ATSUI text rendering (Brian Ewins) + + * Un-break recent optimization-triggered regression in rendering text + with a translation in the font matrix (Behdad Esfahbod) + + * Fix make check to work on OPD platforms (IA64 or PPC64) + (Frederic Crozat) + + * Fix a couple of character spacing issues on Windows + (Jonathan Watt) + +Have fun with that, everybody, and we'll be back for more in the new +year, (with a plan to add the last of our performance improvements in +this round, fix a few bad, lingering bugs, and then finish off a nice, +stable 1.4 release before the end of January). + +-Carl + Snapshot 1.3.8 (2006-12-14 Carl Worth <cworth@cworth.org>) ========================================================== This is the fourth development snapshot in the 1.3 series. It comes |