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Fixed crash of self-intersection loop in special cases

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It was wrongly calculated bucket number per side in cases when some
of segments is filling the whole bounding box across some of dimension.

Solved by limiting buckets at least to 1 in such cases.
This commit is contained in:
Sergey Sharybin 2012-07-18 10:22:56 +00:00
parent 997850aecc
commit c05af6210e
1 changed files with 7 additions and 0 deletions
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7
source/blender/blenkernel/intern/mask.c
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@ -564,6 +564,13 @@ static void spline_feather_collapse_inner_loops(float (*feather_points)[2], int
max_delta = MAX2(max_delta_x, max_delta_y);
buckets_per_side = MIN2(512, 0.9f / max_delta);
if (buckets_per_side == 0) {
/* happens when some segment fills the whole bounding box across some of dimension */
buckets_per_side = 1;
}
tot_bucket = buckets_per_side * buckets_per_side;
bucket_size = 1.0f / buckets_per_side;