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3 commits

Author SHA1 Message Date
Chris Wilson
0046967224 dash: Increment dash_remain by the next segment to reduce accumulation errors 
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2012-04-19 16:12:55 +01:00
Chris Wilson
5e39a8098b dash: Use a epsilon compare for stepping the dash 
Due to rounding errors that may creep in comparing against 0.0 is
dangerous and may result in an infinite loop whilst generating dashes
that consumes all memory.

Reported-and-tested-by: Uli Schlachter <psychon@znc.in>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2012-04-19 15:48:01 +01:00
Chris Wilson
ba406866be stroke: Rely on the tessellator to remove self-intersections 
As handling joins/caps between line segments shorter than
half_line_width is tricky.

Rather than also fixing the bug in traps, remove that code. The plan is
to avoiding hitting the traps code, short-circuiting several steps along
the fast rectangular paths.

Fixes line-width-overlap.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2011-08-13 16:41:28 +01:00