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* 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 SkPathOpsCommon_DEFINED
#define SkPathOpsCommon_DEFINED
#include "SkOpAngle.h"
#include "SkTDArray.h"
class SkOpCoincidence;
class SkOpContour;
class SkPathWriter;
const SkOpAngle* AngleWinding(SkOpSpanBase* start, SkOpSpanBase* end, int* windingPtr,
bool* sortable);
void Assemble(const SkPathWriter& path, SkPathWriter* simple);
SkOpSegment* FindChase(SkTDArray<SkOpSpanBase*>* chase, SkOpSpanBase** startPtr,
SkOpSpanBase** endPtr);
SkOpSpan* FindSortableTop(SkOpContourHead* );
SkOpSegment* FindUndone(SkOpContourHead* , SkOpSpanBase** startPtr,
SkOpSpanBase** endPtr);
void FixWinding(SkPath* path);
bool SortContourList(SkOpContourHead** , bool evenOdd, bool oppEvenOdd);
bool HandleCoincidence(SkOpContourHead* , SkOpCoincidence* , SkChunkAlloc* );
bool OpDebug(const SkPath& one, const SkPath& two, SkPathOp op, SkPath* result, bool expectSuccess);
void DebugShowActiveSpans(SkOpContourHead* );