#ifndef _TVECTORIMAGEP_H_

#define _TVECTORIMAGEP_H_

#include "tstroke.h"

#include "tvectorimage.h"

#include "tregion.h"

#include "tcurves.h"

using namespace std;

//-----------------------------------------------------------------------------

class IntersectedStroke;

class VIStroke;

//=============================================================================

class VIStroke;

class TGroupId

{

public:

	vector<int> m_id; //m_id[i-1] e' parent di m_id[i]</int>

	TGroupId()

		: m_id() {}

	//ghost group sono i gruppi impliciti: tutti gli stroke che non fanno parte di nessun gruppo ma

	//che stanno tra due gruppi fanno parte di un gruppo implicito. per convenzione un ghostGroup ha id<0

	TGroupId(TVectorImage *vi, bool isGhost);

	TGroupId(const TGroupId &strokeGroup) : m_id(strokeGroup.m_id){};

	//costruisce un gruppo partendo da un parent e da un id esistente.

	TGroupId(const TGroupId &parent, const TGroupId &id);

	bool operator==(const TGroupId &id) const;

	bool operator!=(const TGroupId &id) const { return !(*this == id); }

	//TGroupId makeGroup(vector<vistroke*> strokes, bool recomputeRegions=false);</vistroke*>

	//void unmakeGroup(vector<vistroke*> strokes);</vistroke*>

	//ritrona la depth del gruppo. (0->not grouped)

	int isGrouped(bool implicit = false) const;

	//toglie il parent;  se nera gruppo semplice, gli assegna il parametro id.

	void ungroup(const TGroupId &id);

	//bool sameParent(const TGroupId& id) const;

	bool operator!() const { return m_id.empty() || m_id[0] == 0; };

	bool operator<(const TGroupId &id) const;

	int getDepth() const { return m_id.size(); }

	int getCommonParentDepth(const TGroupId &id) const;

	TGroupId getParent() const;

	int isParentOf(const TGroupId &id) const { return getCommonParentDepth(id) == getDepth(); }

};

class VIStroke

{

public:

	TStroke *m_s;

	bool m_isPoint;

	bool m_isNewForFill;

	list<tedge *=""> m_edgeList;</tedge>

	TGroupId m_groupId;

	VIStroke(TStroke *s, const TGroupId &StrokeId)

		: m_s(s), m_isPoint(false), m_isNewForFill(true), m_groupId(StrokeId){};

	VIStroke(const VIStroke &s, bool sameId = true);

	~VIStroke()

	{

		delete m_s;

		list<tedge *="">::iterator it, it_b = m_edgeList.begin(), it_e = m_edgeList.end();</tedge>

		for (it = it_b; it != it_e; ++it)

			if ((*it)->m_toBeDeleted)

				delete *it;

	}

	void inline addEdge(TEdge *e) { m_edgeList.push_back(e); }

	bool inline removeEdge(TEdge *e)

	{

		list<tedge *="">::iterator it = m_edgeList.begin();</tedge>

		while (it != m_edgeList.end() && *it != e)

			it++;

		if (*it == e) {

			m_edgeList.erase(it);

			return true;

		}

		return false;

	}

};

//-----------------------------------------------------------------------------

class IntersectionData;

class Intersection;

//class IntersectStroke;

#ifdef LEVO

class TAutocloseEdge : public TGeneralEdge

{

public:

	TSegment m_segment;

	int m_nextStrokeIndex;

	double m_nextStrokeW;

	TAutocloseEdge(const TSegment &segment, int nextStrokeIndex, double nextStrokeW)

		: TGeneralEdge(eAutoclose), m_segment(segment), m_nextStrokeIndex(nextStrokeIndex), m_nextStrokeW(nextStrokeW)

	{

	}

};

#endif

//---------------------------------------------------------------------------------------------------

class TRegionFinder;

class TVectorImage::Imp

{

	TVectorImage *m_vi;

public:

	int m_maxGroupId;

	int m_maxGhostGroupId;

	bool m_areValidRegions;

	bool m_computedAlmostOnce;

	bool m_justLoaded;

	bool m_minimizeEdges;

	bool m_notIntersectingStrokes, m_computeRegions;

	TGroupId m_insideGroup;

	vector<vistroke *=""> m_strokes;</vistroke>

	double m_autocloseTolerance;

	IntersectionData *m_intersectionData;

	vector<tregion *=""> m_regions;</tregion>

	TThread::Mutex *m_mutex;

	Imp(TVectorImage *vi);

	~Imp();

	void initRegionsData();

	void deleteRegionsData();

	TRegion *getRegion(const TPointD &p);

	int fill(const TPointD &p, int styleId);

	bool selectFill(const TRectD &selectArea, TStroke *s, int styleId, bool onlyUnfilled, bool fillAreas, bool fillLines);

	void addStrokeRegionRef(UINT strokeIndex, TRegion *region);

	int computeRegions();

	void reindexEdges(UINT strokeIndex);

	void reindexEdges(const vector<int> &indexes, bool areAdded);</int>

	void checkRegionDbConsistency();

	void cloneRegions(TVectorImage::Imp &out, bool doComputeRegions = true);

	void eraseIntersection(int index);

	UINT getFillData(TVectorImage::IntersectionBranch *&v);

	void setFillData(TVectorImage::IntersectionBranch *v, UINT branchCount, bool doComputeRegions = true);

	void notifyChangedStrokes(const vector<int> &strokeIndexArray, const vector<tstroke *=""> &oldVectorStrokeArray, bool areFlipped);</tstroke></int>

	void insertStrokeAt(VIStroke *stroke, int strokeIndex, bool recomputeRegions = true);

	void moveStroke(int fromIndex, int toIndex);

	void autoFill(int styleId, bool oddLevel);

	TRegion *getRegion(TRegionId regId, int index) const;

	TRegion *getRegionFromLoopStroke(int strokeIndex) const;

	VIStroke *joinStroke(int index1, int index2, int cpIndex1, int cpIndex2);

	VIStroke *joinStrokeSmoothly(int index1, int index2, int cpIndex1, int cpIndex2);

	VIStroke *extendStroke(int index, const TThickPoint &p, int cpIndex);

	VIStroke *extendStrokeSmoothly(int index, const TThickPoint &p, int cpIndex);

	void removeStrokes(const vector<int> &toBeRemoved, bool deleteThem, bool recomputeRegions);</int>

	TStroke *removeStroke(int index, bool doComputeRegions);

	void splitStroke(int strokeIndex, const vector<doublepair> &sortedWRanges);</doublepair>

	void moveStrokes(int fromIndex, int count, int moveBefore, bool regroup);

	TStroke *removeEndpoints(int strokeIndex);

	void restoreEndpoints(int index, TStroke *oldStroke);

	int areDifferentGroup(UINT index1, bool isRegion1, UINT index2, bool isRegion2) const;

	void rearrangeMultiGroup();

	void reindexGroups(Imp &img);

	void addRegion(TRegion *region);

	void regroupGhosts(vector<int> &changedStrokes);</int>

	bool inCurrentGroup(int strokeIndex) const;

	bool canMoveStrokes(int strokeIndex, int count, int moveBefore) const;

#ifdef _DEBUG

	void checkIntersections();

	void checkRegions(const vector<tregion *=""> ®ions);</tregion>

	void printStrokes(ofstream &os);

	void checkGroups();

#endif

#ifdef NEW_REGION_FILL

	TRegionFinder *m_regionFinder;

	void resetRegionFinder();

#endif

private:

	void findRegions(const TRectD &rect);

	int computeIntersections();

	void findIntersections();

	int computeEndpointsIntersections();

	//Imp(const TVectorImage::Imp &);

	//Imp &  operator=(const TVectorImage::Imp &);

	void eraseDeadIntersections();

	IntersectedStroke *eraseBranch(Intersection *in, IntersectedStroke *is);

	void doEraseIntersection(int index, vector<int> *toBeDeleted = 0);</int>

	void eraseEdgeFromStroke(IntersectedStroke *is);

	bool areWholeGroups(const vector<int> &indexes) const;</int>

	//accorpa tutti i gruppi ghost adiacenti in uno solo, e rinomina gruppi ghost separati con lo stesso id; si usa questa funzione dopo ula creazione di un gruppo o il move di strokes

	//--------------------NUOVO CALCOLO REGIONI------------------------------------------------

public:

#ifdef LEVO

	vector<tregion *=""> existingRegions;</tregion>

	TRegion *findRegionFromStroke(const IntersectStroke &stroke, const TPointD &p);

	bool findNextStrokes(const TEdge &currEdge, multimap<double, *="" tgeneraledge=""> &nextEdges);</double,>

	bool addNextEdge(TEdge &edge, TRegion ®ion, TRegion *&existingRegion, bool isStartingEdge = false);

	bool addNextEdge(TAutocloseEdge &edge, TRegion ®ion, TRegion *&existingRegion);

	bool storeRegion(TRegion *region, const TPointD &p);

	bool exploreAndAddNextEdge(TEdge &edge, TEdge &nextEdge, TRegion ®ion, TRegion *&existingRegion);

	bool addNextAutocloseEdge(TEdge &edge, TAutocloseEdge &nextEdge, TRegion ®ion, TRegion *&existingRegion);

	bool addNextAutocloseEdge(TAutocloseEdge &edge, TEdge &nextEdge, TRegion ®ion, TRegion *&existingRegion);

	void computeAutocloseSegments(const TEdge &currEdge, int strokeIndex, multimap<double, tautocloseedge=""> &segments);</double,>

	void computeAutocloseSegmentsSameStroke(const TEdge &currEdge, multimap<double, tautocloseedge=""> &segments);</double,>

#endif

	//--------------------------------------------------------------------------------------

private:

	// not implemented

	Imp(const Imp &);

	Imp &operator=(const Imp &);

};

void addRegion(vector<tregion *=""> ®ionArray, TRegion *region);</tregion>

//=============================================================================

#endif