#include "tools/tool.h"

#include "tundo.h"

#include "tproperty.h"

#include "tools/cursors.h"

#include "toonz/autoclose.h"

#include "ttoonzimage.h"

#include "toonz/toonzimageutils.h"

#include "tenv.h"

#include "tools/toolutils.h"

#include "toonz/txshsimplelevel.h"

#include "toonz/ttileset.h"

#include "toonz/levelproperties.h"

#include "toonz/stage2.h"

#include "tvectorimage.h"

#include "toonz/strokegenerator.h"

#include "tstroke.h"

#include "drawutil.h"

#include "tinbetween.h"

#include "toonz/txsheethandle.h"

#include "toonz/tframehandle.h"

#include "toonz/tcolumnhandle.h"

#include "toonz/tpalettehandle.h"

#include "toonz/txshlevelhandle.h"

#include "tools/toolhandle.h"

// For Qt translation support

#include <qcoreapplication></qcoreapplication>

using namespace ToolUtils;

TEnv::StringVar AutocloseVectorType("InknpaintAutocloseVectorType", "Normal");

TEnv::DoubleVar AutocloseDistance("InknpaintAutocloseDistance", 10.0);

TEnv::DoubleVar AutocloseAngle("InknpaintAutocloseAngle", 60.0);

TEnv::IntVar AutocloseRange("InknpaintAutocloseRange", 0);

TEnv::IntVar AutocloseOpacity("InknpaintAutocloseOpacity", 1);

#define NORMAL_CLOSE L"Normal"

#define RECT_CLOSE L"Rectangular"

#define FREEHAND_CLOSE L"Freehand"

#define POLYLINE_CLOSE L"Polyline"

namespace {

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

class AutocloseParameters {

public:

  int m_closingDistance, m_inkIndex, m_opacity;

  double m_spotAngle;

  AutocloseParameters()

      : m_closingDistance(0), m_inkIndex(0), m_spotAngle(0), m_opacity(1) {}

};

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

class RasterAutocloseUndo final : public TRasterUndo {

  AutocloseParameters m_params;

  std::vector<tautocloser::segment> m_segments;</tautocloser::segment>

public:

  RasterAutocloseUndo(TTileSetCM32 *tileSet, const AutocloseParameters ¶ms,

                      const std::vector<tautocloser::segment> &segments,</tautocloser::segment>

                      TXshSimpleLevel *level, const TFrameId &frameId)

      : TRasterUndo(tileSet, level, frameId, false, false, 0)

      , m_segments(segments)

      , m_params(params) {}

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

  void redo() const override {

    TToonzImageP image = getImage();

    if (!image) return;

    TAutocloser ac(image->getRaster(), m_params.m_closingDistance,

                   m_params.m_spotAngle, m_params.m_inkIndex,

                   m_params.m_opacity);

    ac.draw(m_segments);

    ToolUtils::updateSaveBox();

    /*-- Viewerを更新させるため --*/

    TTool::getApplication()->getCurrentXsheet()->notifyXsheetChanged();

    notifyImageChanged();

  }

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

  int getSize() const override {

    return sizeof(*this) + TRasterUndo::getSize();

  }

  QString getToolName() override { return QString("Autoclose Tool"); }

  int getHistoryType() override { return HistoryType::AutocloseTool; }

};

}  // namespace

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

class RasterTapeTool final : public TTool {

  Q_DECLARE_TR_FUNCTIONS(RasterTapeTool)

  bool m_selecting;

  TRectD m_selectingRect;

  TRectD m_firstRect;

  TPointD m_firstPoint;

  bool m_firstFrameSelected;

  TXshSimpleLevelP m_level;

  // TBoolProperty  m_isRect;

  TEnumProperty m_closeType;

  TDoubleProperty m_distance;

  TDoubleProperty m_angle;

  TStyleIndexProperty m_inkIndex;

  TIntProperty m_opacity;

  TPropertyGroup m_prop;

  TBoolProperty m_multi;

  TFrameId m_firstFrameId, m_veryFirstFrameId;

  bool m_isXsheetCell;

  std::pair<int, int=""> m_currCell;</int,>

  // Aggiunte per disegnare il lazzo a la polyline

  StrokeGenerator m_track;

  TPointD m_firstPos;

  TPointD m_mousePosition;

  double m_thick;

  TStroke *m_stroke;

  TStroke *m_firstStroke;

  std::vector<tpointd> m_polyline;</tpointd>

  bool m_firstTime;

public:

  RasterTapeTool()

      : TTool("T_Tape")

      , m_closeType("Type:")                    // W_ToolOptions_CloseType

      , m_distance("Distance:", 1, 100, 10)     // W_ToolOptions_Distance

      , m_angle("Angle:", 1, 180, 60)           // W_ToolOptions_Angle

      , m_inkIndex("Style Index:", L"current")  // W_ToolOptions_InkIndex

      , m_opacity("Opacity:", 1, 255, 255)

      , m_multi("Frame Range", false)  // W_ToolOptions_FrameRange

      , m_selecting(false)

      , m_selectingRect()

      , m_firstRect()

      , m_level(0)

      , m_firstFrameSelected(false)

      , m_isXsheetCell(false)

      , m_currCell(-1, -1)

      , m_firstPos()

      , m_mousePosition()

      , m_thick(0.5)

      , m_stroke(0)

      , m_firstStroke(0)

      , m_firstTime(true) {

    bind(TTool::ToonzImage);

    m_prop.bind(m_closeType);

    m_closeType.addValue(NORMAL_CLOSE);

    m_closeType.addValue(RECT_CLOSE);

    m_closeType.addValue(FREEHAND_CLOSE);

    m_closeType.addValue(POLYLINE_CLOSE);

    m_prop.bind(m_multi);

    m_prop.bind(m_distance);

    m_prop.bind(m_angle);

    m_prop.bind(m_inkIndex);

    m_prop.bind(m_opacity);

    m_multi.setId("FrameRange");

    m_closeType.setId("Type");

  }

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

  ToolType getToolType() const override { return TTool::LevelWriteTool; }

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

  void updateTranslation() override {

    m_closeType.setQStringName(tr("Type:"));

    m_distance.setQStringName(tr("Distance:"));

    m_inkIndex.setQStringName(tr("Style Index:"));

    m_opacity.setQStringName(tr("Opacity:"));

    m_multi.setQStringName(tr("Frame Range"));

    m_angle.setQStringName(tr("Angle:"));

  }

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

  void leftButtonDrag(const TPointD &pos, const TMouseEvent &e) override {

    if (m_closeType.getValue() == RECT_CLOSE) {

      if (!m_selecting) return;

      m_selectingRect.x1 = pos.x;

      m_selectingRect.y1 = pos.y;

      invalidate();

    } else if (m_closeType.getValue() == FREEHAND_CLOSE) {

      freehandDrag(pos);

    }

  }

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

  /*--  AutoCloseが実行されたらtrue,実行されなければfalseを返す --*/

  bool applyAutoclose(const TToonzImageP &ti, const TRectD &selRect = TRectD(),

                      TStroke *stroke = 0) {

    if (!ti) return false;

    // inizializzo gli AutocloseParameters

    AutocloseParameters params;

    params.m_closingDistance = (int)(m_distance.getValue());

    params.m_spotAngle       = (int)(m_angle.getValue());

    params.m_opacity         = m_opacity.getValue();

    std::string inkString    = ::to_string(m_inkIndex.getValue());

    int inkIndex =

        TTool::getApplication()

            ->getCurrentLevelStyleIndex();  // TApp::instance()->getCurrentPalette()->getStyleIndex();

    if (isInt(inkString)) inkIndex = std::stoi(inkString);

    params.m_inkIndex              = inkIndex;

    TPoint delta;

    TRasterCM32P ras, raux = ti->getRaster();

    if (m_closeType.getValue() == RECT_CLOSE && raux && !selRect.isEmpty()) {

      TRectD selArea = selRect;

      if (selRect.x0 > selRect.x1) {

        selArea.x1 = selRect.x0;

        selArea.x0 = selRect.x1;

      }

      if (selRect.y0 > selRect.y1) {

        selArea.y1 = selRect.y0;

        selArea.y0 = selRect.y1;

      }

      TRect myRect(ToonzImageUtils::convertWorldToRaster(selArea, ti));

      ras   = raux->extract(myRect);

      delta = myRect.getP00();

    } else if ((m_closeType.getValue() == FREEHAND_CLOSE ||

                m_closeType.getValue() == POLYLINE_CLOSE) &&

               stroke) {

      TRectD selArea = stroke->getBBox();

      TRect myRect(ToonzImageUtils::convertWorldToRaster(selArea, ti));

      ras   = raux->extract(myRect);

      delta = myRect.getP00();

    } else

      ras = raux;

    if (!ras) return false;

    TAutocloser ac(ras, params.m_closingDistance, params.m_spotAngle,

                   params.m_inkIndex, params.m_opacity);

    std::vector<tautocloser::segment> segments;</tautocloser::segment>

    ac.compute(segments);

    if ((m_closeType.getValue() == FREEHAND_CLOSE ||

         m_closeType.getValue() == POLYLINE_CLOSE) &&

        stroke)

      checkSegments(segments, stroke, raux, delta);

    std::vector<tautocloser::segment> segments2(segments);</tautocloser::segment>

    /*-- segmentが取得できなければfalseを返す --*/

    if (segments2.empty()) return false;

    int i;

    if (delta != TPoint(0, 0))

      for (i = 0; i < (int)segments2.size(); i++) {

        segments2[i].first += delta;

        segments2[i].second += delta;

      }

    TTileSetCM32 *tileSet = new TTileSetCM32(raux->getSize());

    for (i = 0; i < (int)segments2.size(); i++) {

      TRect bbox(segments2[i].first, segments2[i].second);

      bbox = bbox.enlarge(2);

      tileSet->add(raux, bbox);

    }

    TXshSimpleLevel *sl =

        TTool::getApplication()->getCurrentLevel()->getSimpleLevel();

    TFrameId id = getCurrentFid();

    TUndoManager::manager()->add(

        new RasterAutocloseUndo(tileSet, params, segments2, sl, id));

    ac.draw(segments);

    ToolUtils::updateSaveBox();

    return true;

  }

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

  inline TRectD interpolateRect(const TRectD &r1, const TRectD &r2, double t) {

    return TRectD(r1.x0 + (r2.x0 - r1.x0) * t, r1.y0 + (r2.y0 - r1.y0) * t,

                  r1.x1 + (r2.x1 - r1.x1) * t, r1.y1 + (r2.y1 - r1.y1) * t);

  }

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

  void multiApplyAutoclose(TFrameId firstFid, TFrameId lastFid,

                           TRectD firstRect, TRectD lastRect,

                           TStroke *firstStroke = 0, TStroke *lastStroke = 0) {

    bool backward = false;

    if (firstFid > lastFid) {

      tswap(firstFid, lastFid);

      backward = true;

    }

    assert(firstFid <= lastFid);

    std::vector<tframeid> allFids;</tframeid>

    m_level->getFids(allFids);

    std::vector<tframeid>::iterator i0 = allFids.begin();</tframeid>

    while (i0 != allFids.end() && *i0 < firstFid) i0++;

    if (i0 == allFids.end()) return;

    std::vector<tframeid>::iterator i1 = i0;</tframeid>

    while (i1 != allFids.end() && *i1 <= lastFid) i1++;

    assert(i0 < i1);

    std::vector<tframeid> fids(i0, i1);</tframeid>

    int m = fids.size();

    assert(m > 0);

    TVectorImageP firstImage;

    TVectorImageP lastImage;

    if ((m_closeType.getValue() == FREEHAND_CLOSE ||

         m_closeType.getValue() == POLYLINE_CLOSE) &&

        firstStroke && lastStroke) {

      TStroke *first = new TStroke(*firstStroke);

      TStroke *last  = new TStroke(*lastStroke);

      firstImage     = new TVectorImage();

      lastImage      = new TVectorImage();

      firstImage->addStroke(first);

      lastImage->addStroke(last);

    }

    TUndoManager::manager()->beginBlock();

    for (int i = 0; i < m; ++i) {

      TFrameId fid     = fids[i];

      TToonzImageP img = (TToonzImageP)m_level->getFrame(fid, true);

      if (!img) continue;

      double t = m > 1 ? (double)i / (double)(m - 1) : 0.5;

      if (m_closeType.getValue() == RECT_CLOSE)

        applyAutoclose(img, interpolateRect(firstRect, lastRect, t));

      else if ((m_closeType.getValue() == FREEHAND_CLOSE ||

                m_closeType.getValue() == POLYLINE_CLOSE) &&

               firstStroke && lastStroke)

        doClose(t, img, firstImage, lastImage);

      m_level->getProperties()->setDirtyFlag(true);

    }

    TUndoManager::manager()->endBlock();

    TTool::getApplication()->getCurrentXsheet()->notifyXsheetChanged();

    //		TNotifier::instance()->notify(TLevelChange());

    //		TNotifier::instance()->notify(TStageChange());

  }

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

  void multiApplyAutoclose(TFrameId firstFrameId, TFrameId lastFrameId) {

    int r0 = firstFrameId.getNumber();

    int r1 = lastFrameId.getNumber();

    if (r0 > r1) {

      tswap(r0, r1);

      tswap(firstFrameId, lastFrameId);

    }

    if ((r1 - r0) < 2) return;

    TUndoManager::manager()->beginBlock();

    for (int i = r0; i <= r1; ++i) {

      TFrameId fid(i);

      TImageP img = m_level->getFrame(fid, true);

      applyAutoclose(img);

    }

    TUndoManager::manager()->endBlock();

    TTool::getApplication()->getCurrentXsheet()->notifyXsheetChanged();

    //		TNotifier::instance()->notify(TLevelChange());

    //		TNotifier::instance()->notify(TStageChange());

  }

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

  void leftButtonUp(const TPointD &pos, const TMouseEvent &e) override {

    TToonzImageP ti = TToonzImageP(getImage(true));

    if (!ti) return;

    /*-- Rectの座標の向きを揃える --*/

    if (m_selectingRect.x0 > m_selectingRect.x1)

      tswap(m_selectingRect.x1, m_selectingRect.x0);

    if (m_selectingRect.y0 > m_selectingRect.y1)

      tswap(m_selectingRect.y1, m_selectingRect.y0);

    TTool::Application *app = TTool::getApplication();

    m_selecting = false;

    TRasterCM32P ras;

    if (m_closeType.getValue() == RECT_CLOSE) {

      if (m_multi.getValue()) {

        if (m_firstFrameSelected) {

          multiApplyAutoclose(m_firstFrameId, getFrameId(), m_firstRect,

                              m_selectingRect);

          invalidate(m_selectingRect.enlarge(2));

          if (e.isShiftPressed()) {

            m_firstRect    = m_selectingRect;

            m_firstFrameId = getFrameId();

          } else {

            if (m_isXsheetCell) {

              app->getCurrentColumn()->setColumnIndex(m_currCell.first);

              app->getCurrentFrame()->setFrame(m_currCell.second);

            } else

              app->getCurrentFrame()->setFid(m_veryFirstFrameId);

            resetMulti();

          }

        } else {

          m_isXsheetCell = app->getCurrentFrame()->isEditingScene();

          // if (m_isXsheetCell)

          m_currCell = std::pair<int, int="">(getColumnIndex(), this->getFrame());</int,>

        }

        return;

      }

      /*-- AutoCloseが実行されたか判定する --*/

      if (!applyAutoclose(ti, m_selectingRect)) {

        if (m_stroke) {

          delete m_stroke;

          m_stroke = 0;

        }

        invalidate();

        return;

      }

      invalidate();

      notifyImageChanged();

    } else if (m_closeType.getValue() == FREEHAND_CLOSE) {

      closeFreehand(pos);

      if (m_multi.getValue())

        multiAutocloseRegion(m_stroke, e);

      else

        applyAutoclose(ti, TRectD(), m_stroke);

      invalidate();

    }

    if (m_stroke) {

      delete m_stroke;

      m_stroke = 0;

    }

  }

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

  void draw() override {

    double pixelSize2 = getPixelSize() * getPixelSize();

    m_thick           = sqrt(pixelSize2) / 2.0;

    if (m_closeType.getValue() == RECT_CLOSE) {

      TPixel color = ToonzCheck::instance()->getChecks() & ToonzCheck::eBlackBg

                         ? TPixel32::White

                         : TPixel32::Black;

      if (m_multi.getValue() && m_firstFrameSelected)

        drawRect(m_firstRect, color, 0x3F33, true);

      if (m_selecting || (m_multi.getValue() && !m_firstFrameSelected))

        drawRect(m_selectingRect, color, 0x3F33, true);

    }

    if ((m_closeType.getValue() == FREEHAND_CLOSE ||

         m_closeType.getValue() == POLYLINE_CLOSE) &&

        m_multi.getValue() && m_firstStroke) {

      TPixel color = ToonzCheck::instance()->getChecks() & ToonzCheck::eBlackBg

                         ? TPixel32::White

                         : TPixel32::Black;

      tglColor(color);

      drawStrokeCenterline(*m_firstStroke, 1);

    }

    if (m_closeType.getValue() == POLYLINE_CLOSE && !m_polyline.empty()) {

      TPixel color = ToonzCheck::instance()->getChecks() & ToonzCheck::eBlackBg

                         ? TPixel32::White

                         : TPixel32::Black;

      tglColor(color);

      tglDrawCircle(m_polyline[0], 2);

      glBegin(GL_LINE_STRIP);

      for (UINT i = 0; i < m_polyline.size(); i++) tglVertex(m_polyline[i]);

      tglVertex(m_mousePosition);

      glEnd();

    } else if (m_multi.getValue() && m_firstFrameSelected)

      drawCross(m_firstPoint, 5);

  }

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

  bool onPropertyChanged(std::string propertyName) override {

    if (propertyName == m_closeType.getName()) {

      AutocloseVectorType = ::to_string(m_closeType.getValue());

      resetMulti();

    }

    else if (propertyName == m_distance.getName())

      AutocloseDistance = m_distance.getValue();

    else if (propertyName == m_angle.getName())

      AutocloseAngle = m_angle.getValue();

    else if (propertyName == m_inkIndex.getName()) {

    }

    else if (propertyName == m_opacity.getName())

      AutocloseOpacity = m_opacity.getValue();

    else if (propertyName == m_multi.getName()) {

      AutocloseRange = (int)((m_multi.getValue()));

      resetMulti();

    }

    if (ToonzCheck::instance()->getChecks() & ToonzCheck::eAutoclose)

      notifyImageChanged();

    return true;

  }

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

  void resetMulti() {

    m_firstFrameSelected = false;

    m_firstRect.empty();

    m_firstPoint = TPointD();

    m_selectingRect.empty();

    TTool::Application *app = TTool::getApplication();

    m_level                 = app->getCurrentLevel()->getLevel()

                  ? app->getCurrentLevel()->getSimpleLevel()

                  : 0;

    m_firstFrameId = m_veryFirstFrameId = getFrameId();

    m_firstStroke                       = 0;

  }

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

  void onImageChanged() override {

    if (!m_multi.getValue()) return;

    TTool::Application *app = TTool::getApplication();

    TXshSimpleLevel *xshl   = 0;

    if (app->getCurrentLevel()->getLevel())

      xshl = app->getCurrentLevel()->getSimpleLevel();

    if (!xshl || m_level.getPointer() != xshl ||

        (m_closeType.getValue() == RECT_CLOSE && m_selectingRect.isEmpty()) ||

        ((m_closeType.getValue() == FREEHAND_CLOSE ||

          m_closeType.getValue() == POLYLINE_CLOSE) &&

         !m_firstStroke))

      resetMulti();

    else if (m_firstFrameId == getFrameId())

      m_firstFrameSelected = false;  // nel caso sono passato allo stato 1 e

                                     // torno all'immagine iniziale, torno allo

                                     // stato iniziale

    else {                           // cambio stato.

      m_firstFrameSelected = true;

      if (m_closeType.getValue() == RECT_CLOSE) {

        assert(!m_selectingRect.isEmpty());

        m_firstRect = m_selectingRect;

      }

    }

  }

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

  void leftButtonDown(const TPointD &pos, const TMouseEvent &) override {

    TToonzImageP ti = TToonzImageP(getImage(true));

    if (!ti) return;

    if (m_closeType.getValue() == RECT_CLOSE) {

      m_selecting        = true;

      m_selectingRect.x0 = pos.x;

      m_selectingRect.y0 = pos.y;

      m_selectingRect.x1 = pos.x + 1;

      m_selectingRect.y1 = pos.y + 1;

      return;

    } else if (m_closeType.getValue() == FREEHAND_CLOSE) {

      startFreehand(pos);

      return;

    } else if (m_closeType.getValue() == POLYLINE_CLOSE) {

      addPointPolyline(pos);

      return;

    } else if (m_closeType.getValue() == NORMAL_CLOSE) {

      if (m_multi.getValue()) {

        TTool::Application *app = TTool::getApplication();

        if (m_firstFrameSelected) {

          multiApplyAutoclose(m_firstFrameId, getFrameId());

          invalidate();

          if (m_isXsheetCell) {

            app->getCurrentColumn()->setColumnIndex(m_currCell.first);

            app->getCurrentFrame()->setFrame(m_currCell.second);

          } else

            app->getCurrentFrame()->setFid(m_veryFirstFrameId);

          resetMulti();

        } else {

          m_isXsheetCell = app->getCurrentFrame()->isEditingScene();

          // if (m_isXsheetCell)

          m_currCell = std::pair<int, int="">(getColumnIndex(), getFrame());</int,>

          m_firstFrameSelected = true;

          m_firstPoint         = pos;

        }

        invalidate();

        return;

      }

      m_selecting = false;

      applyAutoclose(ti);

      invalidate();

      notifyImageChanged();

    }

  }

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

  void leftButtonDoubleClick(const TPointD &pos,

                             const TMouseEvent &e) override {

    TToonzImageP ti = TToonzImageP(getImage(true));

    if (m_closeType.getValue() == POLYLINE_CLOSE && ti) {

      closePolyline(pos);

      std::vector<tthickpoint> strokePoints;</tthickpoint>

      for (UINT i = 0; i < m_polyline.size() - 1; i++) {

        strokePoints.push_back(TThickPoint(m_polyline[i], 1));

        strokePoints.push_back(

            TThickPoint(0.5 * (m_polyline[i] + m_polyline[i + 1]), 1));

      }

      strokePoints.push_back(TThickPoint(m_polyline.back(), 1));

      m_polyline.clear();

      m_stroke = new TStroke(strokePoints);

      assert(m_stroke->getPoint(0) == m_stroke->getPoint(1));

      if (m_multi.getValue())

        multiAutocloseRegion(m_stroke, e);

      else

        applyAutoclose(ti, TRectD(), m_stroke);

      invalidate();

    }

    if (m_stroke) {

      delete m_stroke;

      m_stroke = 0;

    }

  }

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

  void mouseMove(const TPointD &pos, const TMouseEvent &e) override {

    if (m_closeType.getValue() == POLYLINE_CLOSE) {

      m_mousePosition = pos;

      invalidate();

    }

  }

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

  void onEnter() override {

    //      getApplication()->editImage();

  }

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

  TPropertyGroup *getProperties(int targetType) override { return &m_prop; }

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

  void onActivate() override {

    if (m_firstTime) {

      m_closeType.setValue(::to_wstring(AutocloseVectorType.getValue()));

      m_distance.setValue(AutocloseDistance);

      m_angle.setValue(AutocloseAngle);

      m_opacity.setValue(AutocloseOpacity);

      m_multi.setValue(AutocloseRange ? 1 : 0);

      m_firstTime = false;

    }

    //			getApplication()->editImage();

    resetMulti();

  }

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

  void onDeactivate() override {}

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

  int getCursorId() const override {

    if (ToonzCheck::instance()->getChecks() & ToonzCheck::eBlackBg)

      return ToolCursor::TapeCursorWhite;

    else

      return ToolCursor::TapeCursor;

  }

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

  //! Viene aggiunto \b pos a \b m_track e disegnato il primo pezzetto del

  //! lazzo. Viene inizializzato \b m_firstPos

  void startFreehand(const TPointD &pos) {

    m_track.clear();

    m_firstPos        = pos;

    double pixelSize2 = getPixelSize() * getPixelSize();

    m_track.add(TThickPoint(pos, m_thick), pixelSize2);

    TPointD dpiScale = m_viewer->getDpiScale();

#if defined(MACOSX)

// getViewer()->prepareForegroundDrawing();

#endif

    //			getViewer()->makeCurrent();

    TPixel color = ToonzCheck::instance()->getChecks() & ToonzCheck::eBlackBg

                       ? TPixel32::White

                       : TPixel32::Black;

    tglColor(color);

    m_viewer->startForegroundDrawing();

    glPushMatrix();

    glScaled(dpiScale.x, dpiScale.y, 1);

    m_track.drawLastFragments();

    glPopMatrix();

    getViewer()->endForegroundDrawing();

  }

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

  //! Viene aggiunto \b pos a \b m_track e disegnato un altro pezzetto del

  //! lazzo.

  void freehandDrag(const TPointD &pos) {

#if defined(MACOSX)

// getViewer()->enableRedraw(false);

#endif

    getViewer()->startForegroundDrawing();

    TPixel color = ToonzCheck::instance()->getChecks() & ToonzCheck::eBlackBg

                       ? TPixel32::White

                       : TPixel32::Black;

    tglColor(color);

    glPushMatrix();

    tglMultMatrix(getMatrix());

    TPointD dpiScale = m_viewer->getDpiScale();

    glScaled(dpiScale.x, dpiScale.y, 1);

    double pixelSize2 = getPixelSize() * getPixelSize();

    m_track.add(TThickPoint(pos, m_thick), pixelSize2);

    m_track.drawLastFragments();

    glPopMatrix();

    getViewer()->endForegroundDrawing();

  }

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

  //! Viene chiuso il lazzo (si aggiunge l'ultimo punto ad m_track) e viene

  //! creato lo stroke rappresentante il lazzo.

  void closeFreehand(const TPointD &pos) {

#if defined(MACOSX)

// getViewer()->enableRedraw(true);

#endif

    if (m_track.isEmpty()) return;

    double pixelSize2 = getPixelSize() * getPixelSize();

    m_track.add(TThickPoint(m_firstPos, m_thick), pixelSize2);

    m_track.filterPoints();

    double error = (30.0 / 11) * sqrt(pixelSize2);

    m_stroke     = m_track.makeStroke(error);

    m_stroke->setStyle(1);

  }

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

  //! Viene aggiunto un punto al vettore m_polyline.

  void addPointPolyline(const TPointD &pos) {

    m_firstPos = pos;

    // m_mousePosition = pos;

    TPointD dpiScale = m_viewer->getDpiScale();

#if defined(MACOSX)

// getViewer()->prepareForegroundDrawing();

#endif

    //				getViewer()->makeCurrent();

    TPixel color = ToonzCheck::instance()->getChecks() & ToonzCheck::eBlackBg

                       ? TPixel32::White

                       : TPixel32::Black;

    tglColor(color);

    getViewer()->startForegroundDrawing();

#if defined(MACOSX)

// getViewer()->enableRedraw(m_closeType.getValue() == POLYLINE_CLOSE);

#endif

    glPushMatrix();

    glScaled(dpiScale.x, dpiScale.y, 1);

    m_polyline.push_back(pos);

    glPopMatrix();

    getViewer()->endForegroundDrawing();

  }

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

  //! Agginge l'ultimo pos a \b m_polyline e chiude la spezzata (aggiunge \b

  //! m_polyline.front() alla fine del vettore)

  void closePolyline(const TPointD &pos) {

    if (m_polyline.size() <= 1) return;

    if (m_polyline.back() != pos) m_polyline.push_back(pos);

    if (m_polyline.back() != m_polyline.front())

      m_polyline.push_back(m_polyline.front());

    invalidate();

  }

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

  //! Elimina i segmenti che non sono contenuti all'interno dello stroke!!!

  void checkSegments(std::vector<tautocloser::segment> &segments,</tautocloser::segment>

                     TStroke *stroke, const TRasterCM32P &ras,

                     const TPoint &delta) {

    TVectorImage vi;

    TStroke *app = new TStroke();

    *app         = *stroke;

    app->transform(TTranslation(convert(ras->getCenter())));

    vi.addStroke(app);

    vi.findRegions();

    std::vector<tautocloser::segment>::iterator it = segments.begin();</tautocloser::segment>

    for (; it < segments.end(); it++) {

      if (it == segments.end()) break;

      int i;

      bool isContained = false;

      for (i = 0; i < (int)vi.getRegionCount(); i++) {

        TRegion *reg = vi.getRegion(i);

        if (reg->contains(convert(it->first + delta)) &&

            reg->contains(convert(it->second + delta))) {

          isContained = true;

          break;

        }

      }

      if (!isContained) {

        it = segments.erase(it);

        if (it != segments.end() && it != segments.begin())

          it--;

        else if (it == segments.end())

          break;

      }

    }

  }

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

  void multiAutocloseRegion(TStroke *stroke, const TMouseEvent &e) {

    TTool::Application *app = TTool::getApplication();

    if (m_firstStroke) {

      multiApplyAutoclose(m_firstFrameId, getFrameId(), TRectD(), TRectD(),

                          m_firstStroke, stroke);

      invalidate();

      if (e.isShiftPressed()) {

        delete m_firstStroke;

        m_firstStroke  = new TStroke(*stroke);

        m_firstFrameId = getFrameId();

      } else {

        if (m_isXsheetCell) {

          app->getCurrentColumn()->setColumnIndex(m_currCell.first);

          app->getCurrentFrame()->setFrame(m_currCell.second);

        } else

          app->getCurrentFrame()->setFid(m_veryFirstFrameId);

        resetMulti();

      }

    } else {

      m_isXsheetCell = app->getCurrentFrame()->isEditingScene();

      // if (m_isXsheetCell)

      m_currCell    = std::pair<int, int="">(getColumnIndex(), getFrame());</int,>

      m_firstStroke = new TStroke(*stroke);

    }

    return;

  }

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

  void doClose(double t, const TImageP &img, const TVectorImageP &firstImage,

               const TVectorImageP &lastImage) {

    if (t == 0)

      applyAutoclose(img, TRectD(), firstImage->getStroke(0));

    else if (t == 1)

      applyAutoclose(img, TRectD(), lastImage->getStroke(0));

    else {

      assert(firstImage->getStrokeCount() == 1);

      assert(lastImage->getStrokeCount() == 1);

      TVectorImageP vi = TInbetween(firstImage, lastImage).tween(t);

      assert(vi->getStrokeCount() == 1);

      applyAutoclose(img, TRectD(), vi->getStroke(0));

    }

  }

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

} rasterTapeTool;