brushlib: clear bbox in m.t.s._begin_atomic()
authorAndrew Chadwick <andrewc-git@piffle.org>
Mon, 17 Dec 2012 19:46:04 +0000 (19:46 +0000)
committerAndrew Chadwick <andrewc-git@piffle.org>
Mon, 17 Dec 2012 19:46:04 +0000 (19:46 +0000)
commit1d4cb5416ca47410f695a9f454d5014e1479da05
tree40094bff058a9fb229ed5434d3b1591c2490a2ab
parent27dfbd4da8973e3c5d447fc7faaf4f2645aad489
brushlib: clear bbox in m.t.s._begin_atomic()

Fix unnecessarily large and frequent screen redraws in MyPaint:
dirty_bbox should not accumulate across multiple brushstrokes.

https://gna.org/bugs/?20371
brushlib/mypaint-tiled-surface.c