commit 08bc8488fa2ea2d2a17efb1443f0ec6579d5a3c8
author caryclark <caryclark@google.com> Fri Apr 24 09:08:57 2015 -0700
committer Commit bot <commit-bot@chromium.org> Fri Apr 24 09:08:57 2015 -0700
tree 9dbc81feaac0b80700e3fb7bc032adef3f1e062c
parent e062db9cc6478745138cca964ee46839e413ab7b

fix multiple intersection logic

When three or more curves intersect at the same point, ensure that
each curve records the intersections of the others. This fixes a
number of cubic tests.

TBR=reed@google.com
BUG=skia:3588

Review URL: https://codereview.chromium.org/1105943002

src/pathops/SkOpSpan.cpp

diff --git a/src/pathops/SkOpSpan.cpp b/src/pathops/SkOpSpan.cpp
index 32d2376..b75a692 100755
--- a/src/pathops/SkOpSpan.cpp
+++ b/src/pathops/SkOpSpan.cpp
@@ -275,6 +275,7 @@
     fCoinEnd = this;
     fFromAngle = NULL;
     fPrev = prev;
+    fSpanAdds = 0;
     fAligned = true;
     fChased = false;
     SkDEBUGCODE(fCount = 1);
@@ -304,6 +305,7 @@
 tryNextRemainder:
         remainder = next;
     }
+    fSpanAdds += span->fSpanAdds;
 }
 
 void SkOpSpan::applyCoincidence(SkOpSpan* opp) {