SkPathOpsCommon.h revision dae6b97705fde08958b1a36fa6ce685d28fc692c 
1/*
2 * Copyright 2012 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7#ifndef SkPathOpsCommon_DEFINED
8#define SkPathOpsCommon_DEFINED
9
10#include "SkOpAngle.h"
11#include "SkTDArray.h"
12
13class SkOpCoincidence;
14class SkOpContour;
15class SkPathWriter;
16
17const SkOpAngle* AngleWinding(SkOpSpanBase* start, SkOpSpanBase* end, int* windingPtr,
18                              bool* sortable);
19void Assemble(const SkPathWriter& path, SkPathWriter* simple);
20SkOpSegment* FindChase(SkTDArray<SkOpSpanBase*>* chase, SkOpSpanBase** startPtr,
21                       SkOpSpanBase** endPtr);
22SkOpSpan* FindSortableTop(SkOpContourHead* );
23SkOpSegment* FindUndone(SkOpContourHead* , SkOpSpanBase** startPtr,
24                        SkOpSpanBase** endPtr);
25bool FixWinding(SkPath* path);
26bool SortContourList(SkOpContourHead** , bool evenOdd, bool oppEvenOdd);
27bool HandleCoincidence(SkOpContourHead* , SkOpCoincidence* , SkChunkAlloc* );
28bool OpDebug(const SkPath& one, const SkPath& two, SkPathOp op, SkPath* result,
29             bool expectSuccess  SkDEBUGPARAMS(bool skipAssert)
30             SkDEBUGPARAMS(const char* testName));
31#if DEBUG_ACTIVE_SPANS
32void DebugShowActiveSpans(SkOpContourHead* );
33#endif
34
35#endif
36