working on initial winding for cubics

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 22 matching lines @@
     }
 
     void addConic(SkPoint pts[3], SkScalar weight, SkChunkAlloc* allocator) {
         appendSegment(allocator).addConic(pts, weight, this);
     }
 
     void addCubic(SkPoint pts[4], SkChunkAlloc* allocator) {
         appendSegment(allocator).addCubic(pts, this);
     }
 
-    void addCurve(SkPath::Verb verb, const SkPoint pts[4], SkChunkAlloc* allocator);
+    SkOpSegment* addCurve(SkPath::Verb verb, const SkPoint pts[4], SkChunkAlloc* allocator);
 
     void addLine(SkPoint pts[2], SkChunkAlloc* allocator) {
         appendSegment(allocator).addLine(pts, this);
     }
 
     void addQuad(SkPoint pts[3], SkChunkAlloc* allocator) {
         appendSegment(allocator).addQuad(pts, this);
     }
 
     void align() {
@@ skipping 298 matching lines @@
     int fFirstSorted;
     bool fDone;  // set by find top segment
     bool fOperand;  // true for the second argument to a binary operator
     bool fXor;  // set if original path had even-odd fill
     bool fOppXor;  // set if opposite path had even-odd fill
     SkDEBUGCODE(int fID);
     SkDEBUGCODE(int fIndent);
 };
 
 #endif