split tight quads and 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 23 matching lines @@
     }
 
     void addConic(SkPoint pts[3], SkScalar weight) {
         appendSegment().addConic(pts, weight, this);
     }
 
     void addCubic(SkPoint pts[4]) {
         appendSegment().addCubic(pts, this);
     }
 
-    SkOpSegment* addCurve(SkPath::Verb verb, const SkPoint pts[4]);
+    SkOpSegment* addCurve(SkPath::Verb verb, const SkPoint pts[4], SkScalar weight = 1);
 
     SkOpSegment* addLine(SkPoint pts[2]) {
         SkASSERT(pts[0] != pts[1]);
         return appendSegment().addLine(pts, this);
     }
 
     void addQuad(SkPoint pts[3]) {
         appendSegment().addQuad(pts, this);
     }
 
@@ skipping 374 matching lines @@
             SkASSERT(next);
             prev = next;
         }
         SkASSERT(prev);
         prev->setNext(nullptr);
     }
 
 };
 
 #endif