#pragma once

#ifndef _TVECTORIMAGEP_H_

#define _TVECTORIMAGEP_H_

#include "tstroke.h"

#include "tvectorimage.h"

#include "tregion.h"

#include "tcurves.h"

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

class IntersectedStroke;

class VIStroke;

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

class VIStroke;

class TGroupId {

public:

  std::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;

  std::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;

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

                                     it_e = m_edgeList.end();

    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) {

    std::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 final : 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;

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

  double m_autocloseTolerance;

  IntersectionData *m_intersectionData;

  std::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 std::vector<int> &indexes, bool areAdded);</int>

  void checkRegionDbConsistency();

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

  void eraseIntersection(int index);

  UINT getFillData(std::unique_ptr<tvectorimage::intersectionbranch[]> &v);</tvectorimage::intersectionbranch[]>

  void setFillData(std::unique_ptr<tvectorimage::intersectionbranch[]> const &v,</tvectorimage::intersectionbranch[]>

                   UINT branchCount, bool doComputeRegions = true);

  void notifyChangedStrokes(const std::vector<int> &strokeIndexArray,</int>

                            const std::vector<tstroke *=""> &oldVectorStrokeArray,</tstroke>

                            bool areFlipped);

  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 std::vector<int> &toBeRemoved, bool deleteThem,</int>

                     bool recomputeRegions);

  TStroke *removeStroke(int index, bool doComputeRegions);

  void splitStroke(int strokeIndex,

                   const std::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(std::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 std::vector<tregion *=""> ®ions);</tregion>

  void printStrokes(std::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, std::vector<int> *toBeDeleted = 0);</int>

  void eraseEdgeFromStroke(IntersectedStroke *is);

  bool areWholeGroups(const std::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,

                       std::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,

      std::multimap<double, tautocloseedge=""> &segments);</double,>

  void computeAutocloseSegmentsSameStroke(

      const TEdge &currEdge, std::multimap<double, tautocloseedge=""> &segments);</double,>

#endif

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

private:

  // not implemented

  Imp(const Imp &);

  Imp &operator=(const Imp &);

};

// Functions

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

void transferColors(const std::list<tedge *=""> &oldList,</tedge>

                    const std::list<tedge *=""> &newList, bool isStrokeChanged,</tedge>

                    bool isFlipped, bool overwriteColor);

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

#endif