diff options
| author |  Stephen White <senorblanco@chromium.org> | 2018-05-25 14:50:56 -0400 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2018-05-25 20:45:42 +0000 |
| commit | 06768ca1ea87c027c7a8752fa6495d3e634d1940 (patch) | |
| tree | 719ca035826aecfe15be29bae6dd66ed07bcd9fb /src | |
| parent | 6857df77b06c6e5be2409926bf1901349f5466d0 (diff) | |
GrTessellator: remove collinear vertices.
During sanitize_contours(), remove any points which are collinear
with their previous and next points.
Bug: skia:8503
Change-Id: Iba1df73b15a92047302bc26f01cb79f4de118760
Reviewed-on: https://skia-review.googlesource.com/130206
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Stephen White <senorblanco@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gpu/GrTessellator.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gpu/GrTessellator.cpp b/src/gpu/GrTessellator.cpp index 308d5bcc36..4d3c1eb0ee 100644 --- a/src/gpu/GrTessellator.cpp +++ b/src/gpu/GrTessellator.cpp @@ -1247,8 +1247,12 @@ void sanitize_contours(VertexList* contours, int contourCnt, bool approximate) { } else if (!v->fPoint.isFinite()) { LOG("vertex %g,%g non-finite; removing\n", v->fPoint.fX, v->fPoint.fY); contour->remove(v); + } else if (next && Line(prev->fPoint, next->fPoint).dist(v->fPoint) == 0.0) { + LOG("vertex %g,%g collinear; removing\n", v->fPoint.fX, v->fPoint.fY); + contour->remove(v); + } else { + prev = v; } - prev = v; v = next; } } |