path ops stream-lining

src/pathops/SkPathOpsTypes.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #ifndef SkPathOpsTypes_DEFINED
 #define SkPathOpsTypes_DEFINED
 
 #include <float.h>  // for FLT_EPSILON
@@ skipping 27 matching lines @@
     enum Phase {
         kIntersecting,
         kWalking,
         kFixWinding,
     };
 
     enum {
         kMaxWindingTries = 10
     };
 
+    bool allocatedOpSpan() const {
+        return fAllocatedOpSpan;
+    }
+
     SkChunkAlloc* allocator() {
         return fAllocator;
     }
 
     bool angleCoincidence() const {
         return fAngleCoincidence;
     }
 
     void bumpNested() {
         ++fNested;
@@ skipping 62 matching lines @@
     }
 
     int nextSpanID() {
         return ++fSpanID;
     }
 #endif
 
     Phase phase() const {
         return fPhase;
     }
+    
+    void resetAllocatedOpSpan() {
+        fAllocatedOpSpan = false;
+    }
+
+    void setAllocatedOpSpan() {
+        fAllocatedOpSpan = true;
+    }
 
     void setAngleCoincidence() {
         fAngleCoincidence = true;
     }
 
     void setCoincidence(SkOpCoincidence* coincidence) {
         fCoincidence = coincidence;
     }
     
     void setContourHead(SkOpContourHead* contourHead) {
@@ skipping 12 matching lines @@
 
     bool windingFailed() const {
         return fWindingFailed;
     }
 
 private:
     SkChunkAlloc* fAllocator;
     SkOpCoincidence* fCoincidence;
     SkOpContourHead* fContourHead;
     int fNested;
+    bool fAllocatedOpSpan;
     bool fWindingFailed;
     bool fAngleCoincidence;
     Phase fPhase;
 #ifdef SK_DEBUG
     const char* fDebugTestName;
     int fAngleID;
     int fCoinID;
     int fContourID;
     int fPtTID;
     int fSegmentID;
@@ skipping 406 matching lines @@
 */
 inline int SkDSideBit(double x) {
     return 1 << SKDSide(x);
 }
 
 inline double SkPinT(double t) {
     return precisely_less_than_zero(t) ? 0 : precisely_greater_than_one(t) ? 1 : t;
 }
 
 #endif