Rewriting path writer

src/pathops/SkOpEdgeBuilder.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SkGeometry.h"
 #include "SkOpEdgeBuilder.h"
 #include "SkReduceOrder.h"
 
 void SkOpEdgeBuilder::init() {
     fCurrentContour = fContoursHead;
     fOperand = false;
     fXorMask[0] = fXorMask[1] = (fPath->getFillType() & 1) ? kEvenOdd_PathOpsMask
             : kWinding_PathOpsMask;
     fUnparseable = false;
     fSecondHalf = preFetch();
 }
 
 void SkOpEdgeBuilder::addOperand(const SkPath& path) {
     SkASSERT(fPathVerbs.count() > 0 && fPathVerbs.end()[-1] == SkPath::kDone_Verb);
     fPathVerbs.pop();
     fPath = &path;
     fXorMask[1] = (fPath->getFillType() & 1) ? kEvenOdd_PathOpsMask
             : kWinding_PathOpsMask;
     preFetch();
 }
 
-int SkOpEdgeBuilder::count() const {
-    SkOpContour* contour = fContoursHead;
-    int count = 0;
-    while (contour) {
-        count += contour->count() > 0;
-        contour = contour->next();
-    }
-    return count;
-}
-
 bool SkOpEdgeBuilder::finish() {
     fOperand = false;
     if (fUnparseable || !walk()) {
         return false;
     }
     complete();
     if (fCurrentContour && !fCurrentContour->count()) {
         fContoursHead->remove(fCurrentContour);
     }
     return true;
@@ skipping 199 matching lines @@
         }
         SkASSERT(fCurrentContour);
         fCurrentContour->debugValidate();
         pointsPtr += SkPathOpsVerbToPoints(verb);
     }
    if (fCurrentContour && fCurrentContour->count() &&!fAllowOpenContours && !close()) {
        return false;
    }
    return true;
 }