Skip bad line segments inside gen_alpha_deltas

Bug: chromium:847386 Change-Id: I5bb3268c27ecfbd66268adbc36be3ea72e0a69ba Reviewed-on: https://skia-review.googlesource.com/131324 Reviewed-by: Cary Clark <[email protected]> Commit-Queue: Cary Clark <[email protected]> Auto-Submit: Yuqian Li <[email protected]>
LibertyGlobal · Jun 1, 2018 · 9ea47be · 9ea47be
1 parent fbe7166
commit 9ea47be
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/core/SkScan_DAAPath.cpp b/src/core/SkScan_DAAPath.cpp
@@ -182,8 +182,9 @@ void gen_alpha_deltas(const SkPath& path, const SkIRect& clippedIR, const SkIRec
             }
 
             SkAnalyticEdge l, r;
-            l.setLine(lb->fP0, lb->fP1);
-            r.setLine(rb->fP0, rb->fP1);
+            if (!l.setLine(lb->fP0, lb->fP1) || !r.setLine(rb->fP0, rb->fP1)) {
+                continue;
+            }
 
             SkFixed xorUpperY = l.fUpperY ^ r.fUpperY;
             SkFixed xorLowerY = l.fLowerY ^ r.fLowerY;