path ops near exact

src/pathops/SkOpContour.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkOpContour_DEFINED
 #define SkOpContour_DEFINED
 
 #include "SkOpSegment.h"
@@ skipping 72 matching lines @@
                        const SkPoint& pt, double newT) {
         return fSegments[segIndex].addUnsortableT(&other->fSegments[otherIndex], start, pt, newT);
     }
 
     const SkPathOpsBounds& bounds() const {
         return fBounds;
     }
 
     void calcCoincidentWinding();
 
+    void checkEnds() {
+        if (!fContainsCurves) {
+            return;
+        }
+        int segmentCount = fSegments.count();
+        for (int sIndex = 0; sIndex < segmentCount; ++sIndex) {
+            SkOpSegment* segment = &fSegments[sIndex];
+            if (segment->verb() == SkPath::kLine_Verb) {
+                continue;
+            }
+            fSegments[sIndex].checkEnds();
+        }
+    }
+
     void complete() {
         setBounds();
         fContainsIntercepts = false;
     }
 
     bool containsCubics() const {
         return fContainsCubics;
     }
 
     bool crosses(const SkOpContour* crosser) const {
@@ skipping 129 matching lines @@
     bool fDone;
     bool fOperand;  // true for the second argument to a binary operator
     bool fXor;
     bool fOppXor;
 #if DEBUG_DUMP
     int fID;
 #endif
 };
 
 #endif