#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 : 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

	{

		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

	{

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

	}

	QString getToolName()

	{

		return QString("Autoclose Tool");

	}

	int getHistoryType()

	{

		return HistoryType::AutocloseTool;

	}

};

} // namespace

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

class RasterTapeTool : 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 { return TTool::LevelWriteTool; }

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

	void updateTranslation()

	{

		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)

	{

		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)

	{

		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()

	{

		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)

	{

		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()

	{

		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 &)

	{

		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)

	{

		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)

	{

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

			m_mousePosition = pos;

			invalidate();

		}

	}

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

	void onEnter()

	{

		//      getApplication()->editImage();

	}

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

	TPropertyGroup *getProperties(int targetType)

	{

		return &m_prop;

	}

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

	void onActivate()

	{

		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()

	{

	}

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

	int getCursorId() const

	{

		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, TStroke *stroke,</tautocloser::segment>

					   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)