/*
 * 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  SkDEBUGPARAMS(const char* testName));
#if DEBUG_ACTIVE_SPANS
void DebugShowActiveSpans(SkOpContourHead* );
#endif

#endif