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draw_dab: run length encoding for mask
authorMartin Renold <martinxyz@gmx.ch>
Mon, 11 Apr 2011 19:36:19 +0000 (21:36 +0200)
committerMartin Renold <martinxyz@gmx.ch>
Mon, 16 May 2011 10:46:42 +0000 (12:46 +0200)
commit38a279883f3e246407cb5b95639a41e5a31cf163
tree3cc4522b01e3db194f73ec5a15d8f1d68bf10ecd
parent5a73afd86033fa11f5716747a49d6d4011d2a84c
draw_dab: run length encoding for mask

Makes the blendmode code shorter as it doesn't have to deal
with region of interest any more.

brushengine_paint_hires: about 4% performance gain
lib/tiledsurface.hpp