path ops work in progress

src/pathops/SkDQuadLineIntersection.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 "SkIntersections.h"
 #include "SkPathOpsLine.h"
 #include "SkPathOpsQuad.h"
 
@@ skipping 81 matching lines @@
     enum PinTPoint {
         kPointUninitialized,
         kPointInitialized
     };
 
     LineQuadraticIntersections(const SkDQuad& q, const SkDLine& l, SkIntersections* i)
         : fQuad(q)
         , fLine(l)
         , fIntersections(i)
         , fAllowNear(true) {
+        i->setMax(2);
     }
 
     void allowNear(bool allow) {
         fAllowNear = allow;
     }
 
     int intersectRay(double roots[2]) {
     /*
         solve by rotating line+quad so line is horizontal, then finding the roots
         set up matrix to rotate quad to x-axis
@@ skipping 292 matching lines @@
 }
 
 int SkIntersections::intersectRay(const SkDQuad& quad, const SkDLine& line) {
     LineQuadraticIntersections q(quad, line, this);
     fUsed = q.intersectRay(fT[0]);
     for (int index = 0; index < fUsed; ++index) {
         fPt[index] = quad.ptAtT(fT[0][index]);
     }
     return fUsed;
 }