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2 commits

Author SHA1 Message Date
Emmanuele Bassi
bfd1602db9 Remove stray _GNU_SOURCE definitions 
We define _GNU_SOURCE globally in both the Autotools build, through the
use of the AC_USE_SYSTEM_EXTENSIONS macro; and in the Meson build, with
add_project_arguments().
 2021-05-01 16:58:15 +01:00
Chris Wilson
545f30856a stroke: Convert the outlines into contour and then into a polygon 
In step 1 of speeding up stroking, we introduce contours as a means for
tracking the connected edges around the stroke. By keeping track of
these chains, we can analyse the edges as we proceed and eliminate
redundant vertices speeding up rasterisation.

Coincidentally fixes line-width-tolerance (looks like a combination of
using spline tangent vectors and tolerance).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
 2011-08-15 10:31:47 +01:00