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#include "toonz/txshsimplelevel.h"
#include "imagebuilders.h"

// TnzLib includes
#include "toonz/txshleveltypes.h"
#include "toonz/imagemanager.h"
#include "toonz/studiopalette.h"
#include "toonz/hook.h"
#include "toonz/toonzscene.h"
#include "toonz/levelproperties.h"
#include "toonz/levelupdater.h"
#include "toonz/fullcolorpalette.h"
#include "toonz/preferences.h"
#include "toonz/stage.h"
#include "toonz/textureutils.h"
#include "toonz/levelset.h"

// TnzBase includes
#include "tenv.h"

// TnzCore includes
#include "trasterimage.h"
#include "tvectorimage.h"
#include "tmeshimage.h"
#include "timagecache.h"
#include "tofflinegl.h"
#include "tvectorgl.h"
#include "tvectorrenderdata.h"
#include "tropcm.h"
#include "tpixelutils.h"
#include "timageinfo.h"
#include "tlogger.h"
#include "tstream.h"
#include "tsystem.h"
#include "tcontenthistory.h"

// Qt includes
#include <QDir>
#include <QRegExp>
#include <QMessageBox>

#include "../common/psdlib/psd.h"

namespace bc = boost::container;

//******************************************************************************************
//    Global stuff
//******************************************************************************************

DEFINE_CLASS_CODE(TXshSimpleLevel, 20)
PERSIST_IDENTIFIER(TXshSimpleLevel, "level")

//******************************************************************************************
//    Local namespace stuff
//******************************************************************************************

namespace
{

int idBaseCode = 1;

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

struct CompatibilityStruct {
	int writeMask, neededMask, forbiddenMask;
};

CompatibilityStruct compatibility =
	{
		0x00F1, // mask written.   Note: Student main must be 0x00F2
				//                 Note: the 0x00F0 part is currently not used.
		0x0000, // mandatory mask: loaded levels MUST have a mask with these bits set
				//                 Note: if mandatory mask != 0 then no old level (without mask)
				//                       can be loaded
				//                 Note: this mask is currently not used.
		0x000E  // forbidden mask: loaded levels MUST NOT have a mask with these bits set
		//
};

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

inline std::string rasterized(std::string id) { return id + "_rasterized"; }
inline std::string filled(std::string id) { return id + "_filled"; }

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

QString getCreatorString()
{
	QString creator =
		QString::fromStdString(TEnv::getApplicationName()) + " " +
		QString::fromStdString(TEnv::getApplicationVersion()) +
		" CM(" + QString::number(compatibility.writeMask, 16) + ")";
	return creator;
}

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

bool checkCreatorString(const QString &creator)
{
	int mask = 0;
	if (creator != "") {
		QRegExp rx("CM\\([0-9A-Fa-f]*\\)");
		int pos = rx.indexIn(creator);
		int len = rx.matchedLength();
		if (pos >= 0 && len >= 4) {
			QString v;
			if (len > 4)
				v = creator.mid(pos + 3, len - 4);
			bool ok = true;
			mask = v.toInt(&ok, 16);
		}
	}
	return (mask & compatibility.neededMask) == compatibility.neededMask &&
		   (mask & compatibility.forbiddenMask) == 0;
}

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

bool isAreadOnlyLevel(const TFilePath &path)
{
	if (path.isEmpty() || !path.isAbsolute())
		return false;
	if (path.getDots() == "." || (path.getDots() == ".." && (path.getType() == "tlv" || path.getType() == "tpl"))) {
		if (!TSystem::doesExistFileOrLevel(path))
			return false;
		TFileStatus fs(path);
		return !fs.isWritable();
	}
	/*- 処理が重くなるので、連番ファイルは全てfalseを返す -*/
	/*
  else if(path.getDots() == "..")
  {
    TFilePath dir = path.getParentDir();
    QDir qDir(QString::fromStdWString(dir.getWideString()));
    QString levelName = QRegExp::escape(QString::fromStdWString(path.getWideName()));
    QString levelType = QString::fromStdString(path.getType());
    QString exp(levelName+".[0-9]{1,4}."+levelType);
    QRegExp regExp(exp);
    QStringList list = qDir.entryList(QDir::Files);
    QStringList livelFrames = list.filter(regExp);

    bool isReadOnly=false;
    int i;
    for(i=0; i<livelFrames.size() && !isReadOnly; i++)
    {
      TFilePath frame = dir+TFilePath(livelFrames[i].toStdWString());
      if(frame.isEmpty() || !frame.isAbsolute()) continue;
      TFileStatus fs(frame);
      isReadOnly = !fs.isWritable();
    }
    return isReadOnly;
  }
  */
	else
		return false;
}

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

void getIndexesRangefromFids(
	TXshSimpleLevel *level, const std::set<TFrameId> &fids, int &fromIndex, int &toIndex)
{
	if (fids.empty()) {
		fromIndex = toIndex = -1;
		return;
	}

	toIndex = 0;
	fromIndex = level->getFrameCount() - 1;

	std::set<TFrameId>::const_iterator it;
	for (it = fids.begin(); it != fids.end(); ++it) {
		int index = level->guessIndex(*it);
		if (index > toIndex)
			toIndex = index;
		if (index < fromIndex)
			fromIndex = index;
	}
}

} // namespace

//******************************************************************************************
//    TXshSimpleLevel  impementation
//******************************************************************************************

bool TXshSimpleLevel::m_rasterizePli = false;
bool TXshSimpleLevel::m_fillFullColorRaster = false;

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

TXshSimpleLevel::TXshSimpleLevel(const std::wstring &name)
	: TXshLevel(m_classCode, name), m_properties(new LevelProperties), m_palette(0), m_idBase(toString(idBaseCode++)), m_editableRangeUserInfo(L""), m_isSubsequence(false), m_16BitChannelLevel(false), m_isReadOnly(false), m_temporaryHookMerged(false)
{
}

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

TXshSimpleLevel::~TXshSimpleLevel()
{
	clearFrames();

	if (m_palette)
		m_palette->release();
}

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

void TXshSimpleLevel::setEditableRange(unsigned int from, unsigned int to, const std::wstring &userName)
{
	assert(from <= to && to < (unsigned int)getFrameCount());
	unsigned int i;
	for (i = from; i <= to; i++)
		m_editableRange.insert(index2fid(i));

	QString hostName = TSystem::getHostName();
	m_editableRangeUserInfo = userName + L"_" + hostName.toStdWString();

	std::wstring fileName = getEditableFileName();
	TFilePath dstPath = getScene()->decodeFilePath(m_path);
	dstPath = dstPath.withName(fileName).withType(dstPath.getType());

	// Load temporary level file (for pli and tlv types only)
	if (getType() != OVL_XSHLEVEL && TSystem::doesExistFileOrLevel(dstPath)) {
		TLevelReaderP lr(dstPath);
		TLevelP level = lr->loadInfo();
		setPalette(level->getPalette());
		for (TLevel::Iterator it = level->begin(); it != level->end(); it++) {
			TImageP img = lr->getFrameReader(it->first)->load();
			setFrame(it->first, img);
		}
	}

	// Merge temporary hook file with current hookset
	const TFilePath &hookFile = getHookPath(dstPath);
	mergeTemporaryHookFile(from, to, hookFile);
}

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

void TXshSimpleLevel::mergeTemporaryHookFile(unsigned int from, unsigned int to, const TFilePath &hookFile)
{
	if (!TFileStatus(hookFile).doesExist())
		return;

	HookSet *tempHookSet = new HookSet;
	TIStream is(hookFile);
	std::string tagName;
	try {
		if (is.matchTag(tagName) && tagName == "hooks")
			tempHookSet->loadData(is);
	} catch (...) {
	}

	HookSet *hookSet = getHookSet();
	int tempHookCount = tempHookSet->getHookCount();

	if (tempHookCount == 0) {
		for (unsigned int f = from; f <= to; f++) {
			TFrameId fid = index2fid(f);
			hookSet->eraseFrame(fid);
		}
	} else {
		for (int i = 0; i < tempHookCount; i++) {
			Hook *hook = tempHookSet->getHook(i);
			Hook *newHook = hookSet->touchHook(hook->getId());
			newHook->setTrackerObjectId(hook->getTrackerObjectId());
			newHook->setTrackerRegionHeight(hook->getTrackerRegionHeight());
			newHook->setTrackerRegionWidth(hook->getTrackerRegionWidth());
			for (unsigned int f = from; f <= to; f++) {
				TFrameId fid = index2fid(f);
				newHook->setAPos(fid, hook->getAPos(fid));
				newHook->setBPos(fid, hook->getBPos(fid));
			}
		}
	}

	m_temporaryHookMerged = true;
}

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

void TXshSimpleLevel::clearEditableRange()
{
	m_editableRange.clear();
	m_editableRangeUserInfo = L"";
}

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

std::wstring TXshSimpleLevel::getEditableFileName()
{
#ifdef MACOSX
	std::wstring fileName = L"." + m_path.getWideName();
#else
	std::wstring fileName = m_path.getWideName();
#endif
	fileName += L"_" + m_editableRangeUserInfo;
	int from, to;
	getIndexesRangefromFids(this, m_editableRange, from, to);
	if (from == -1 && to == -1)
		return L"";
	fileName += L"_" + toWideString(from + 1) + L"-" + toWideString(to + 1);
	return fileName;
}

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

std::set<TFrameId> TXshSimpleLevel::getEditableRange()
{
	return m_editableRange;
}

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

void TXshSimpleLevel::setRenumberTable()
{
	m_renumberTable.clear();

	FramesSet::iterator ft, fEnd = m_frames.end();
	for (ft = m_frames.begin(); ft != fEnd; ++ft)
		m_renumberTable[*ft] = *ft;
}

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

void TXshSimpleLevel::setDirtyFlag(bool on)
{
	m_properties->setDirtyFlag(on);
}

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

bool TXshSimpleLevel::getDirtyFlag() const
{
	return m_properties->getDirtyFlag();
}

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

void TXshSimpleLevel::touchFrame(const TFrameId &fid)
{
	m_properties->setDirtyFlag(true);
	TContentHistory *ch = getContentHistory();
	if (!ch) {
		ch = new TContentHistory(true);
		setContentHistory(ch);
	}
	ch->frameModifiedNow(fid);

	if (getType() == PLI_XSHLEVEL) {
		std::string id = rasterized(getImageId(fid));
		ImageManager::instance()->invalidate(id);
	}
	if (getType() & FULLCOLOR_TYPE) {
		std::string id = filled(getImageId(fid));
		ImageManager::instance()->invalidate(id);
	}
}

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

void TXshSimpleLevel::onPaletteChanged()
{
	FramesSet::iterator ft, fEnd = m_frames.end();
	for (ft = m_frames.begin(); ft != fEnd; ++ft) {
		const TFrameId &fid = *ft;

		if (getType() == PLI_XSHLEVEL) {
			std::string id = rasterized(getImageId(fid));
			ImageManager::instance()->invalidate(id);
		}
		if (getType() & FULLCOLOR_TYPE) {
			std::string id = filled(getImageId(fid));
			ImageManager::instance()->invalidate(id);
		}

		texture_utils::invalidateTexture(this, fid);
	}
}

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

void TXshSimpleLevel::setScannedPath(const TFilePath &fp)
{
	m_scannedPath = fp;
}

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

void TXshSimpleLevel::setPath(const TFilePath &fp, bool keepFrames)
{
	m_path = fp;
	if (!keepFrames) {
		clearFrames();
		assert(getScene());
		try {
			load();
		} catch (...) {
		}
	}

	if (getType() != PLI_XSHLEVEL) {
		if (!m_frames.empty()) {
			std::string imageId = getImageId(getFirstFid());
			const TImageInfo *imageInfo = ImageManager::instance()->getInfo(imageId, ImageManager::none, 0);
			if (imageInfo) {
				TDimension imageRes(0, 0);
				TPointD imageDpi;
				imageRes.lx = imageInfo->m_lx;
				imageRes.ly = imageInfo->m_ly;
				imageDpi.x = imageInfo->m_dpix;
				imageDpi.y = imageInfo->m_dpiy;
				m_properties->setImageDpi(imageDpi);
				m_properties->setImageRes(imageRes);
				m_properties->setBpp(imageInfo->m_bitsPerSample * imageInfo->m_samplePerPixel);
			}
		}
	}
}

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

void TXshSimpleLevel::clonePropertiesFrom(const TXshSimpleLevel *oldSl)
{
	m_properties->setImageDpi(oldSl->m_properties->getImageDpi()); // Watch out - may change dpi policy!
	m_properties->setDpi(oldSl->m_properties->getDpi());
	m_properties->setDpiPolicy(oldSl->m_properties->getDpiPolicy());
	m_properties->setImageRes(oldSl->m_properties->getImageRes());
	m_properties->setBpp(oldSl->m_properties->getBpp());
	m_properties->setSubsampling(oldSl->m_properties->getSubsampling());
}

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

TPalette *TXshSimpleLevel::getPalette() const
{
	return m_palette;
}

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

void TXshSimpleLevel::setPalette(TPalette *palette)
{
	if (m_palette != palette) {
		if (m_palette)
			m_palette->release();

		m_palette = palette;
		if (m_palette) {
			m_palette->addRef();
			if (!(getType() & FULLCOLOR_TYPE))
				m_palette->setPaletteName(getName());
		}
	}
}

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

void TXshSimpleLevel::getFids(std::vector<TFrameId> &fids) const
{
	fids.assign(m_frames.begin(), m_frames.end());
}

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

std::vector<TFrameId> TXshSimpleLevel::getFids() const
{
	return std::vector<TFrameId>(m_frames.begin(), m_frames.end());
}

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

bool TXshSimpleLevel::isFid(const TFrameId &fid) const
{
	return m_frames.count(fid);
}

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

const TFrameId &TXshSimpleLevel::getFrameId(int index) const
{
	return *(m_frames.begin() += index);
}

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

TFrameId TXshSimpleLevel::getFirstFid() const
{
	return !isEmpty() ? *m_frames.begin() : TFrameId(TFrameId::NO_FRAME);
}

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

TFrameId TXshSimpleLevel::getLastFid() const
{
	return !isEmpty() ? *m_frames.rbegin() : TFrameId(TFrameId::NO_FRAME);
}

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

int TXshSimpleLevel::guessStep() const
{
	int frameCount = m_frames.size();
	if (frameCount < 2)
		return 1; // un livello con zero o un frame ha per def. step=1

	FramesSet::const_iterator ft = m_frames.begin();

	TFrameId firstFid = *ft++,
			 secondFid = *ft++;

	if (firstFid.getLetter() != 0 || secondFid.getLetter() != 0)
		return 1;

	int step = secondFid.getNumber() - firstFid.getNumber();
	if (step == 1)
		return 1;

	// controllo subito se lo step vale per l'ultimo frame
	// (cerco di limitare il numero di volte in cui devo controllare tutta la lista)
	TFrameId lastFid = *m_frames.rbegin();
	if (lastFid.getLetter() != 0)
		return 1;

	if (lastFid.getNumber() != firstFid.getNumber() + step * (frameCount - 1))
		return 1;

	for (int i = 2; ft != m_frames.end(); ++ft, ++i) {
		const TFrameId &fid = *ft;

		if (fid.getLetter() != 0)
			return 1;

		if (fid.getNumber() != firstFid.getNumber() + step * i)
			return 1;
	}

	return step;
}

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

int TXshSimpleLevel::fid2index(const TFrameId &fid) const
{
	FramesSet::const_iterator ft = m_frames.find(fid);
	return (ft != m_frames.end()) ? std::distance(m_frames.begin(), ft) : // Note: flat_set has random access
			   -1;														  // iterators, so this is FAST
}

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

int TXshSimpleLevel::guessIndex(const TFrameId &fid) const
{
	if (m_frames.empty())
		return 0; // no frames, return 0 (by definition)

	FramesSet::const_iterator ft = m_frames.lower_bound(fid);
	if (ft == m_frames.end()) {
		const TFrameId &maxFid = *m_frames.rbegin();
		assert(fid > maxFid);

		// fid not in the table, but greater than the last one.
		// return a suitable index. (e.g. frames are 1,3,5,7; fid2index(11) should return index=5)
		int step = guessStep();
		int i = (fid.getNumber() - maxFid.getNumber()) / step;
		return m_frames.size() - 1 + i;
	} else
		return std::distance(m_frames.begin(), ft);
}

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

TFrameId TXshSimpleLevel::index2fid(int index) const
{
	if (index < 0)
		return TFrameId(-2);

	int frameCount = m_frames.size();
	if (frameCount == 0)
		return TFrameId(1); // o_o?

	if (index < frameCount) {
		FramesSet::const_iterator ft = m_frames.begin();
		std::advance(ft, index);
		return *ft;
	} else {
		int step = guessStep();
		TFrameId maxFid = *m_frames.rbegin();
		int d = step * (index - frameCount + 1);
		return TFrameId(maxFid.getNumber() + d);
	}
}

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

TImageP TXshSimpleLevel::getFrame(const TFrameId &fid, UCHAR imFlags, int subsampling) const
{
	assert(m_type != UNKNOWN_XSHLEVEL);

	// If the required frame is not in range, quit
	if (m_frames.count(fid) == 0)
		return TImageP();

	const std::string &imgId = getImageId(fid);

	ImageLoader::BuildExtData extData(this, fid, subsampling);
	TImageP img = ImageManager::instance()->getImage(
		imgId, imFlags, &extData);

	if (imFlags & ImageManager::toBeModified) {
		// The image will be modified. Perform any related invalidation.
		texture_utils::invalidateTexture(this, fid); // We must rebuild associated textures
	}

	return img;
}

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

TImageInfo *TXshSimpleLevel::getFrameInfo(const TFrameId &fid, bool toBeModified)
{
	assert(m_type != UNKNOWN_XSHLEVEL);

	// If the required frame is not in range, quit
	if (m_frames.count(fid) == 0)
		return 0;

	const std::string &imgId = getImageId(fid);

	TImageInfo *info = ImageManager::instance()->getInfo(
		imgId, toBeModified ? ImageManager::toBeModified : ImageManager::none, 0);

	return info;
}

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

TImageP TXshSimpleLevel::getFrameIcon(const TFrameId &fid) const
{
	assert(m_type != UNKNOWN_XSHLEVEL);

	if (m_frames.count(fid) == 0)
		return TImageP();

	// NOTE: Icons caching is DISABLED at this stage. It is now responsibility of
	// ToonzQt's IconGenerator class.

	ImageLoader::BuildExtData extData(this, fid);
	extData.m_subs = 1, extData.m_icon = true;

	const std::string &imgId = getImageId(fid);
	TImageP img = ImageManager::instance()->getImage(imgId, ImageManager::dontPutInCache, &extData);

	TToonzImageP timg = (TToonzImageP)img;
	if (timg && m_palette)
		timg->setPalette(m_palette);

	return img;
}

//-----------------------------------------------------------------------------
// load icon (and image) data of all frames into cache
void TXshSimpleLevel::loadAllIconsAndPutInCache(bool cacheImagesAsWell)
{
	if (m_type != TZP_XSHLEVEL)
		return;

	std::vector<TFrameId> fids;
	getFids(fids);

	std::vector<std::string> iconIds;

	for (int i = 0; i < (int)fids.size(); i++) {
		iconIds.push_back(getIconId(fids[i]));
	}

	ImageManager::instance()->loadAllTlvIconsAndPutInCache(this, fids, iconIds, cacheImagesAsWell);
}

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

TRasterImageP TXshSimpleLevel::getFrameToCleanup(const TFrameId &fid) const
{
	assert(m_type != UNKNOWN_XSHLEVEL);

	FramesSet::const_iterator ft = m_frames.find(fid);
	if (ft == m_frames.end())
		return TImageP();

	bool flag = (m_scannedPath != TFilePath());
	std::string imageId = getImageId(fid, flag ? Scanned : 0);

	ImageLoader::BuildExtData extData(this, fid, 1);
	TRasterImageP img = ImageManager::instance()->getImage(imageId, ImageManager::dontPutInCache, &extData);
	if (!img)
		return img;

	double x_dpi, y_dpi;
	img->getDpi(x_dpi, y_dpi);
	if (!x_dpi && !y_dpi) {
		TPointD dpi = m_properties->getDpi();
		img->setDpi(dpi.x, dpi.y);
	}

	return img;
}

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

TImageP TXshSimpleLevel::getFullsampledFrame(const TFrameId &fid, UCHAR imFlags) const
{
	assert(m_type != UNKNOWN_XSHLEVEL);

	FramesSet::const_iterator it = m_frames.find(fid);
	if (it == m_frames.end())
		return TRasterImageP();

	std::string imageId = getImageId(fid);

	ImageLoader::BuildExtData extData(this, fid, 1);
	TImageP img = ImageManager::instance()->getImage(imageId, imFlags, &extData);

	if (imFlags & ImageManager::toBeModified) {
		// The image will be modified. Perform any related invalidation.
		texture_utils::invalidateTexture(this, fid); // We must rebuild associated textures
	}

	return img;
}

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

std::string TXshSimpleLevel::getIconId(const TFrameId &fid, int frameStatus) const
{
	return "icon:" + getImageId(fid, frameStatus);
}

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

std::string TXshSimpleLevel::getIconId(const TFrameId &fid, const TDimension &size) const
{
	return getImageId(fid) + ":" + toString(size.lx) + "x" + toString(size.ly);
}

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

namespace
{

TAffine getAffine(const TDimension &srcSize, const TDimension &dstSize)
{
	double scx = 1 * dstSize.lx / (double)srcSize.lx;
	double scy = 1 * dstSize.ly / (double)srcSize.ly;
	double sc = tmin(scx, scy);
	double dx = (dstSize.lx - srcSize.lx * sc) * 0.5;
	double dy = (dstSize.ly - srcSize.ly * sc) * 0.5;
	return TScale(sc) * TTranslation(0.5 * TPointD(srcSize.lx, srcSize.ly) + TPointD(dx, dy));
}

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

/*!Costruisce l'icona di dimesione \b size dell'immagine \b img.*/
TImageP buildIcon(const TImageP &img, const TDimension &size)
{
	TRaster32P raster(size);
	if (TVectorImageP vi = img) {
		TOfflineGL *glContext = new TOfflineGL(size);
		TDimension cameraSize(768, 576);
		TPalette *vPalette = img->getPalette();
		assert(vPalette);
		const TVectorRenderData rd(
			getAffine(cameraSize, size),
			TRect(),
			vPalette,
			0, false);
		glContext->clear(TPixel32::White);
		glContext->draw(vi, rd);
		raster->copy(glContext->getRaster());
		delete glContext;
	} else if (TToonzImageP ti = img) {
		raster->fill(TPixel32(255, 255, 255, 255));
		TRasterCM32P rasCM32 = ti->getRaster();
		TRect bbox;
		bbox = ti->getSavebox();
		if (!bbox.isEmpty()) {
			rasCM32 = rasCM32->extractT(bbox);
			double sx = raster->getLx() / (double)rasCM32->getLx();
			double sy = raster->getLy() / (double)rasCM32->getLy();
			double sc = tmin(sx, sy);
			TAffine aff = TScale(sc).place(
				rasCM32->getCenterD(),
				raster->getCenterD());
			TRop::resample(
				raster,
				rasCM32,
				ti->getPalette(),
				aff);
			raster->lock();
			for (int y = 0; y < raster->getLy(); y++) {
				TPixel32 *pix = raster->pixels(y);
				TPixel32 *endPix = pix + raster->getLx();
				while (pix < endPix) {
					*pix = overPix(TPixel32::White, *pix);
					pix++;
				}
			}
			raster->unlock();
		}
	} else {
		TRasterImageP ri = img;
		if (ri) {
			ri->makeIcon(raster);
			TRop::addBackground(raster, TPixel32::White);
		} else
			raster->fill(TPixel32(127, 50, 20));
	}

	return TRasterImageP(raster);
}

} // anonymous namespace

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

void TXshSimpleLevel::setFrame(const TFrameId &fid, const TImageP &img)
{
	assert(m_type != UNKNOWN_XSHLEVEL);

	if (img)
		img->setPalette(getPalette());

	m_frames.insert(fid);

	TFilePath path = m_path;

	int frameStatus = getFrameStatus(fid);
	static const int SCANNED_OR_CLEANUPPED = (Scanned | Cleanupped);

	if ((frameStatus & SCANNED_OR_CLEANUPPED) == Scanned)
		path = m_scannedPath;

	// Deal with the ImageManger: ensure the identifiers are bound, and the
	// associated image is either modified to img or (if !img) invalidated.
	const std::string &imageId = getImageId(fid);

	if (!ImageManager::instance()->isBound(imageId)) {
		const TFilePath &decodedPath = getScene()->decodeFilePath(path);
		ImageManager::instance()->bind(imageId, new ImageLoader(decodedPath, fid));
	}

	ImageManager::instance()->setImage(imageId, img); // Invalidates if !img

	if (frameStatus == Normal) {
		// Only a normal frame can have these. Justified since:
		//  a) PLIs have nothing to share with cleanup stuff
		//  b) The latter is used only in LineTest - which does not have Cleanup

		if (m_type == PLI_XSHLEVEL) {
			const std::string &imageId2 = rasterized(imageId);
			if (!ImageManager::instance()->isBound(imageId2))
				ImageManager::instance()->bind(imageId2, new ImageRasterizer);
			else
				ImageManager::instance()->invalidate(imageId2);
		}

		if (m_type == OVL_XSHLEVEL || m_type == TZI_XSHLEVEL) {
			const std::string &imageId2 = filled(imageId);
			if (!ImageManager::instance()->isBound(imageId2))
				ImageManager::instance()->bind(imageId2, new ImageFiller);
			else
				ImageManager::instance()->invalidate(imageId2);
		}
	}
}

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

void TXshSimpleLevel::eraseFrame(const TFrameId &fid)
{
	FramesSet::iterator ft = m_frames.find(fid);
	if (ft == m_frames.end())
		return;

	// Erase the corresponding entry in the renumber table
	std::map<TFrameId, TFrameId>::iterator rt, rEnd(m_renumberTable.end());
	for (rt = m_renumberTable.begin(); rt != rEnd; ++rt) {
		if (rt->second == fid) {
			m_renumberTable.erase(rt->first);
			break;
		}
	}

	m_frames.erase(ft);
	getHookSet()->eraseFrame(fid);

	ImageManager *im = ImageManager::instance();
	{
		im->unbind(getImageId(fid, Normal));
		im->unbind(getImageId(fid, Scanned));
		im->unbind(getImageId(fid, CleanupPreview));

		if (m_type == PLI_XSHLEVEL)
			im->unbind(rasterized(getImageId(fid)));

		if (m_type == OVL_XSHLEVEL || m_type == TZI_XSHLEVEL)
			im->unbind(filled(getImageId(fid)));

		texture_utils::invalidateTexture(this, fid);
	}
}

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

void TXshSimpleLevel::clearFrames()
{
	ImageManager *im = ImageManager::instance();

	// Unbind frames
	FramesSet::iterator ft, fEnd = m_frames.end();
	for (ft = m_frames.begin(); ft != fEnd; ++ft) {
		im->unbind(getImageId(*ft, Scanned));
		im->unbind(getImageId(*ft, Cleanupped));
		im->unbind(getImageId(*ft, CleanupPreview));

		if (m_type == PLI_XSHLEVEL)
			im->unbind(rasterized(getImageId(*ft)));

		if (m_type == OVL_XSHLEVEL || m_type == TZI_XSHLEVEL)
			im->unbind(filled(getImageId(*ft)));

		texture_utils::invalidateTexture(this, *ft);
	}

	// Clear level
	m_frames.clear();
	m_editableRange.clear();
	m_editableRangeUserInfo.clear();
	m_renumberTable.clear();
	m_framesStatus.clear();
}

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

void TXshSimpleLevel::loadData(TIStream &is)
{
	std::string tagName;
	bool flag = false;

	int type = UNKNOWN_XSHLEVEL;

	for (;;) {
		if (is.matchTag(tagName)) {
			if (tagName == "path") {
				is >> m_path;
				is.matchEndTag();
			} else if (tagName == "scannedPath") {
				is >> m_scannedPath;
				is.matchEndTag();
			} else if (tagName == "info") {
				std::string v;
				double xdpi = 0, ydpi = 0;
				int subsampling = 1;
				int doPremultiply = 0;
				int whiteTransp = 0;
				int antialiasSoftness = 0;
				LevelProperties::DpiPolicy dpiPolicy = LevelProperties::DP_ImageDpi;
				if (is.getTagParam("dpix", v))
					xdpi = toDouble(v);
				if (is.getTagParam("dpiy", v))
					ydpi = toDouble(v);
				if (xdpi != 0 && ydpi != 0)
					dpiPolicy = LevelProperties::DP_CustomDpi;
				std::string dpiType = is.getTagAttribute("dpiType");
				if (dpiType == "image")
					dpiPolicy = LevelProperties::DP_ImageDpi;
				if (is.getTagParam("type", v) && v == "s")
					type = TZI_XSHLEVEL;
				if (is.getTagParam("subsampling", v))
					subsampling = toInt(v);
				if (is.getTagParam("premultiply", v))
					doPremultiply = toInt(v);
				if (is.getTagParam("antialias", v))
					antialiasSoftness = toInt(v);
				if (is.getTagParam("whiteTransp", v))
					whiteTransp = toInt(v);

				m_properties->setDpiPolicy(dpiPolicy);
				m_properties->setDpi(TPointD(xdpi, ydpi));
				m_properties->setSubsampling(subsampling);
				m_properties->setDoPremultiply(doPremultiply);
				m_properties->setDoAntialias(antialiasSoftness);
				m_properties->setWhiteTransp(whiteTransp);
			} else
				throw TException("unexpected tag " + tagName);
		} else {
			if (flag)
				break; // ci puo' essere un solo nome
			flag = true;
			std::wstring token;
			is >> token;
			if (token == L"__empty") {
				// empty = true;
				is >> token;
			}

			if (token == L"_raster") // obsoleto (Tab2.2)
			{
				double xdpi = 1, ydpi = 1;
				is >> xdpi >> ydpi >> m_name;
				setName(m_name);
				type = OVL_XSHLEVEL;
				m_properties->setDpi(TPointD(xdpi, ydpi));
				setType(type);
				setPath(TFilePath("+drawings/") + (getName() + L"." + toWideString("bmp")), true);
			} else if (token == L"__raster") // obsoleto (Tab2.2)
			{
				double xdpi = 1, ydpi = 1;
				std::string extension;
				is >> xdpi >> ydpi >> m_name >> extension;
				setName(m_name);
				type = OVL_XSHLEVEL;
				m_properties->setDpi(TPointD(xdpi, ydpi));
				setType(type);
				setPath(TFilePath("+drawings/") + (getName() + L"." + toWideString(extension)), true);
			} else {
				m_name = token;
				setName(m_name);
			}
		}
	}
	if (type == UNKNOWN_XSHLEVEL) {
		std::string ext = m_path.getType();
		if (ext == "pli" || ext == "svg")
			type = PLI_XSHLEVEL;
		else if (ext == "tlv" || ext == "tzu" || ext == "tzp" || ext == "tzl")
			type = TZP_XSHLEVEL;
		else if (ext == "tzi")
			type = TZI_XSHLEVEL;
		else if (ext == "mesh")
			type = MESH_XSHLEVEL;
		else
			type = OVL_XSHLEVEL;
	}
	setType(type);
}

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

namespace
{
class LoadingLevelRange
{
public:
	TFrameId m_fromFid, m_toFid;
	LoadingLevelRange() : m_fromFid(1), m_toFid(0) {}

	bool match(const TFrameId &fid) const
	{
		/*-- ↓SubSequent範囲内にある条件		↓全部ロードする場合 --*/
		return m_fromFid <= fid && fid <= m_toFid || m_fromFid > m_toFid;
	}
	bool isEnabled() const
	{
		return m_fromFid <= m_toFid;
	}
	void reset()
	{
		m_fromFid = TFrameId(1);
		m_toFid = TFrameId(0);
	}

} loadingLevelRange;

//-----------------------------------------------------------------------------
} // namespace
//-----------------------------------------------------------------------------

void setLoadingLevelRange(const TFrameId &fromFid, const TFrameId &toFid)
{
	loadingLevelRange.m_fromFid = fromFid;
	loadingLevelRange.m_toFid = toFid;
}

void getLoadingLevelRange(TFrameId &fromFid, TFrameId &toFid)
{
	fromFid = loadingLevelRange.m_fromFid;
	toFid = loadingLevelRange.m_toFid;
}

TFilePath getLevelPathAndSetNameWithPsdLevelName(TXshSimpleLevel *xshLevel)
{
	TFilePath retfp = xshLevel->getPath();

	QString name = QString::fromStdWString(retfp.getWideName());
	QStringList list = name.split("#");

	if (list.size() >= 2 && list.at(1) != "frames") {
		bool hasLayerId;
		int layid = list.at(1).toInt(&hasLayerId);

		if (hasLayerId) {
			// An explicit photoshop layer id must be converted to the associated level name
			TPSDParser psdparser(xshLevel->getScene()->decodeFilePath(retfp));
			std::string levelName = psdparser.getLevelNameWithCounter(layid); // o_o  what about UNICODE names??

			list[1] = QString::fromStdString(levelName);

			std::wstring wLevelName = list.join("#").toStdWString();
			retfp = retfp.withName(wLevelName);

			TLevelSet *levelSet = xshLevel->getScene()->getLevelSet();
			if (levelSet && levelSet->hasLevel(wLevelName)) // levelSet should be asserted instead
				levelSet->renameLevel(xshLevel, wLevelName);

			xshLevel->setName(wLevelName);
		}
	}

	return retfp;
}
//-----------------------------------------------------------------------------

// Nota: load() NON fa clearFrames(). si limita ad aggiungere le informazioni
// relative ai frames su disco
void TXshSimpleLevel::load()
{
	getProperties()->setCreator("");
	QString creator;

	assert(getScene());
	if (!getScene())
		return;
	
	m_isSubsequence = loadingLevelRange.isEnabled();

	TFilePath checkpath = getScene()->decodeFilePath(m_path);
	std::string type = checkpath.getType();

	if (m_scannedPath != TFilePath()) {
		getProperties()->setDirtyFlag(false); // Level is now supposedly loaded from disk

		static const int ScannedCleanuppedMask = Scanned | Cleanupped;
		TFilePath path = getScene()->decodeFilePath(m_scannedPath);
		if (TSystem::doesExistFileOrLevel(path)) {
			TLevelReaderP lr(path);
			assert(lr);
			TLevelP level = lr->loadInfo();
			if (!checkCreatorString(creator = lr->getCreator()))
				getProperties()->setIsForbidden(true);
			else
				for (TLevel::Iterator it = level->begin(); it != level->end(); it++) {
					TFrameId fid = it->first;
					if (!loadingLevelRange.match(fid))
						continue;
					setFrameStatus(fid, (getFrameStatus(fid) & ~ScannedCleanuppedMask) | Scanned);
					setFrame(fid, TImageP());
				}
		}

		path = getScene()->decodeFilePath(m_path);
		if (TSystem::doesExistFileOrLevel(path)) {
			TLevelReaderP lr(path);
			assert(lr);
			TLevelP level = lr->loadInfo();
			if (getType() & FULLCOLOR_TYPE)
				setPalette(FullColorPalette::instance()->getPalette(getScene()));
			else
				setPalette(level->getPalette());
			if (!checkCreatorString(creator = lr->getCreator()))
				getProperties()->setIsForbidden(true);
			else
				for (TLevel::Iterator it = level->begin(); it != level->end(); it++) {
					TFrameId fid = it->first;
					if (!loadingLevelRange.match(fid))
						continue;
					setFrameStatus(fid, getFrameStatus(fid) | Cleanupped);
					setFrame(fid, TImageP());
				}
			setContentHistory(lr->getContentHistory() ? lr->getContentHistory()->clone() : 0);
		}

	} else {
		// Not a scan + cleanup level

		if (m_path.getType() == "psd" && this->getScene()->getVersionNumber().first < 71)
			m_path = getLevelPathAndSetNameWithPsdLevelName(this);

		TFilePath path = getScene()->decodeFilePath(m_path);

		getProperties()->setDirtyFlag(false); // Level is now supposedly loaded from disk

		TLevelReaderP lr(path); // May throw
		assert(lr);

		TLevelP level = lr->loadInfo();
		if (level->getFrameCount() > 0) {
			const TImageInfo *info = lr->getImageInfo(level->begin()->first);

			if (info && info->m_samplePerPixel >= 5) {
				QString msg = QString("Failed to open %1.\nSamples per pixel is more than 4. It may containt more than one alpha channel.").arg(QString::fromStdWString(m_path.getWideString()));
				QMessageBox::warning(0, "Image format not supported", msg);
				return;
			}

			if (info)
				set16BitChannelLevel(info->m_bitsPerSample == 16);
		}
		if ((getType() & FULLCOLOR_TYPE) && !is16BitChannelLevel())
			setPalette(FullColorPalette::instance()->getPalette(getScene()));
		else
			setPalette(level->getPalette());

		if (!checkCreatorString(creator = lr->getCreator()))
			getProperties()->setIsForbidden(true);
		else
			for (TLevel::Iterator it = level->begin(); it != level->end(); it++) {
				m_renumberTable[it->first] = it->first; //Voglio che la tabella contenga anche i frame che non vengono caricati
				if (!loadingLevelRange.match(it->first))
					continue;
				setFrame(it->first, TImageP());
			}

		setContentHistory(lr->getContentHistory() ? lr->getContentHistory()->clone() : 0);
	}
	getProperties()->setCreator(creator.toStdString());

	loadingLevelRange.reset();
	if (getType() != PLI_XSHLEVEL) {
		if (m_properties->getImageDpi() == TPointD() && !m_frames.empty()) {
			TDimension imageRes(0, 0);
			TPointD imageDpi;

			const TFrameId &firstFid = getFirstFid();
			std::string imageId = getImageId(firstFid);

			const TImageInfo *imageInfo = ImageManager::instance()->getInfo(imageId, ImageManager::none, 0);
			if (imageInfo) {
				imageRes.lx = imageInfo->m_lx;
				imageRes.ly = imageInfo->m_ly;
				imageDpi.x = imageInfo->m_dpix;
				imageDpi.y = imageInfo->m_dpiy;
				m_properties->setImageDpi(imageDpi);
				m_properties->setImageRes(imageRes);
				m_properties->setBpp(imageInfo->m_bitsPerSample * imageInfo->m_samplePerPixel);
			}
		}
		setRenumberTable();
	}

	if (getPalette() && StudioPalette::isEnabled())
		StudioPalette::instance()->updateLinkedColors(getPalette());

	TFilePath refImgName;
	if (m_palette) {
		refImgName = m_palette->getRefImgPath();
		TFilePath refImgPath = refImgName;
		if (refImgName != TFilePath() &&
			TFileStatus(refImgPath).doesExist()) {
			TLevelReaderP lr(refImgPath);
			if (lr) {
				TLevelP level = lr->loadInfo();
				if (level->getFrameCount() > 0) {
					TImageP img = lr->getFrameReader(level->begin()->first)->load();
					if (img && getPalette()) {
						img->setPalette(0);
						getPalette()->setRefImg(img);
						std::vector<TFrameId> fids;
						for (TLevel::Iterator it = level->begin(); it != level->end(); ++it)
							fids.push_back(it->first);
						getPalette()->setRefLevelFids(fids);
					}
				}
			}
		}
	}

	// Load hooks
	HookSet *hookSet = getHookSet();
	hookSet->clearHooks();

	const TFilePath &hookFile = TXshSimpleLevel::getExistingHookFile(
		getScene()->decodeFilePath(m_path));

	if (!hookFile.isEmpty()) {
		TIStream is(hookFile);
		std::string tagName;
		try {
			if (is.matchTag(tagName) && tagName == "hooks")
				hookSet->loadData(is);
		} catch (...) {
		}
	}
	updateReadOnly();
}

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

void TXshSimpleLevel::load(const std::vector<TFrameId> &fIds)
{

	getProperties()->setCreator("");
	QString creator;
	assert(getScene());
	getProperties()->setDirtyFlag(false);

	m_isSubsequence = loadingLevelRange.isEnabled();

	// non e' un livello scan+cleanup
	TFilePath path = getScene()->decodeFilePath(m_path);

	TLevelReaderP lr(path);
	assert(lr);

	if (!checkCreatorString(creator = lr->getCreator()))
		getProperties()->setIsForbidden(true);
	else {
		if (fIds.size() != 0) {
			for (int i = 0; i < (int)fIds.size(); i++) {
				m_renumberTable[fIds[i]] = fIds[i];
				if (!loadingLevelRange.match(fIds[i]))
					continue;
				setFrame(fIds[i], TImageP());
			}
		} else {
			TLevelP level = lr->loadInfo();
			for (TLevel::Iterator it = level->begin(); it != level->end(); it++) {
				m_renumberTable[it->first] = it->first;
				if (!loadingLevelRange.match(it->first))
					continue;
				setFrame(it->first, TImageP());
			}
		}
	}

	setContentHistory(lr->getContentHistory() ? lr->getContentHistory()->clone() : 0);

	getProperties()->setCreator(creator.toStdString());

	loadingLevelRange.reset();

	if (getType() != PLI_XSHLEVEL) {
		if (m_properties->getImageDpi() == TPointD() && !m_frames.empty()) {
			TDimension imageRes(0, 0);
			TPointD imageDpi;
			std::string imageId = getImageId(getFirstFid());
			const TImageInfo *imageInfo = ImageManager::instance()->getInfo(imageId, ImageManager::none, 0);
			if (imageInfo) {
				imageRes.lx = imageInfo->m_lx;
				imageRes.ly = imageInfo->m_ly;
				imageDpi.x = imageInfo->m_dpix;
				imageDpi.y = imageInfo->m_dpiy;
				m_properties->setImageDpi(imageDpi);
				m_properties->setImageRes(imageRes);
			}
		}
		setRenumberTable();
	}
}

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

void TXshSimpleLevel::updateReadOnly()
{
	TFilePath path = getScene()->decodeFilePath(m_path);
	m_isReadOnly = isAreadOnlyLevel(path);
}

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

void TXshSimpleLevel::saveData(TOStream &os)
{
	os << m_name;

	std::map<std::string, std::string> attr;
	if (getProperties()->getDpiPolicy() == LevelProperties::DP_CustomDpi) {
		TPointD dpi = getProperties()->getDpi();
		if (dpi.x != 0 && dpi.y != 0) {
			attr["dpix"] = toString(dpi.x);
			attr["dpiy"] = toString(dpi.y);
		}
	} else {
		attr["dpiType"] = "image";
	}

	if (getProperties()->getSubsampling() != 1) {
		attr["subsampling"] = toString(getProperties()->getSubsampling());
	}
	if (getProperties()->antialiasSoftness() > 0) {
		attr["antialias"] = toString(getProperties()->antialiasSoftness());
	}
	if (getProperties()->doPremultiply()) {
		attr["premultiply"] = toString(getProperties()->doPremultiply());
	} else if (getProperties()->whiteTransp()) {
		attr["whiteTransp"] = toString(getProperties()->whiteTransp());
	}

	if (m_type == TZI_XSHLEVEL)
		attr["type"] = "s";

	os.openCloseChild("info", attr);

	os.child("path") << m_path; // fp;
	if (m_scannedPath != TFilePath())
		os.child("scannedPath") << m_scannedPath; // fp;
}

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

void TXshSimpleLevel::save()
{
	assert(getScene());
	TFilePath path = getScene()->decodeFilePath(m_path);
	TSystem::outputDebug("save() : " + toString(m_path) + " = " + toString(path) + "\n");

	if (getProperties()->getDirtyFlag() == false &&
		getPalette()->getDirtyFlag() == false &&
		TSystem::doesExistFileOrLevel(path))
		return;

	if (!TFileStatus(path.getParentDir()).doesExist()) {
		try {
			TSystem::mkDir(path.getParentDir());
		} catch (...) {
		}
	}
	save(path);
}

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

void saveBackup(TFilePath path)
{
	try {
		TFilePath backup = path.withName(path.getName() + "_backup");
		if (TSystem::doesExistFileOrLevel(backup))
			TSystem::removeFileOrLevel_throw(backup);
		TSystem::copyFileOrLevel_throw(backup, path);
	} catch (...) {
	}
}

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

void TXshSimpleLevel::save(const TFilePath &fp, const TFilePath &oldFp, bool overwritePalette)
{
	TFilePath dOldPath = (!oldFp.isEmpty()) ? oldFp : getScene()->decodeFilePath(m_path);

	TFilePath dDstPath = getScene()->decodeFilePath(fp);
	TSystem::touchParentDir(dDstPath);

	// backup
	if (Preferences::instance()->isLevelsBackupEnabled() &&
		dOldPath == dDstPath &&
		TSystem::doesExistFileOrLevel(dDstPath))
		saveBackup(dDstPath);

	if (isAreadOnlyLevel(dDstPath)) {
		if (m_editableRange.empty() && !m_temporaryHookMerged) //file interaly locked
			throw TSystemException(dDstPath, "The level cannot be saved: it is a read only level.");
		else if (getType() != OVL_XSHLEVEL) {
			//file partially unlocked
			std::wstring fileName = getEditableFileName();
			assert(!fileName.empty());

			TFilePath app = dDstPath.withName(fileName).withType(dDstPath.getType());

			//removes old files
			if (TSystem::doesExistFileOrLevel(app))
				TSystem::removeFileOrLevel(app);

			TFilePathSet oldFilePaths;
			getFiles(app, oldFilePaths);

			TFilePathSet::iterator it;
			for (it = oldFilePaths.begin(); it != oldFilePaths.end(); ++it) {
				if (TSystem::doesExistFileOrLevel(*it))
					TSystem::removeFileOrLevel(*it);
			}

			// save new files
			TXshSimpleLevel *sl = new TXshSimpleLevel;
			sl->setScene(getScene());
			sl->setPalette(getPalette());
			sl->setPath(getScene()->codeFilePath(app));
			sl->setType(getType());

			std::set<TFrameId>::iterator eft, efEnd;
			for (eft = m_editableRange.begin(); eft != efEnd; ++eft) {
				const TFrameId &fid = *eft;
				sl->setFrame(fid, getFrame(fid, false));
			}

			// Copy hooks
			HookSet *hookSet = sl->getHookSet();
			*hookSet = *getHookSet();

			FramesSet::iterator ft, fEnd = m_frames.end();
			for (ft = m_frames.begin(); ft != fEnd; ++ft) {
				const TFrameId &fid = *ft;

				if (m_editableRange.find(fid) == m_editableRange.end())
					hookSet->eraseFrame(fid);
			}

			// Copy mesh level
			sl->save(app);

#ifdef _WIN32

			//hides files
			oldFilePaths.clear();

			if (TSystem::doesExistFileOrLevel(app))
				TSystem::hideFileOrLevel(app);

			getFiles(app, oldFilePaths);

			for (it = oldFilePaths.begin(); it != oldFilePaths.end(); ++it) {
				if (TSystem::doesExistFileOrLevel(*it))
					TSystem::hideFileOrLevel(*it);
			}
#endif
			return;
		}
	}

	if (dOldPath != dDstPath && m_path != TFilePath()) {
		const TFilePath &dSrcPath = dOldPath;

		try {
			if (TSystem::doesExistFileOrLevel(dSrcPath)) {
				if (TSystem::doesExistFileOrLevel(dDstPath))
					TSystem::removeFileOrLevel(dDstPath);

				copyFiles(dDstPath, dSrcPath);
			}
		} catch (...) {
		}
	}
	//when saving the level palette with global name
	if (overwritePalette && getType() == TZP_XSHLEVEL && getPalette() && getPalette()->getGlobalName() != L"") {
		overwritePalette = false;
		TFilePath palettePath = dDstPath.withNoFrame().withType("tpl");
		StudioPalette::instance()->save(palettePath, getPalette());
	}

	saveSimpleLevel(dDstPath, overwritePalette);
}

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

void TXshSimpleLevel::saveSimpleLevel(const TFilePath &decodedFp, bool overwritePalette)
{
	/* Precondition: Destination level with path decodedFp is supposed to already
                   store those image frames not tagged as 'modified' in this level
                   instance.                                                          */

	TFilePath oldPath = m_path;
	TFilePath dOldPath = getScene()->decodeFilePath(oldPath);

	// Substitute m_path with decodedFp until the function quits.
	struct CopyOnExit {
		TFilePath &m_dstPath, &m_srcPath;
		~CopyOnExit() { m_dstPath = m_srcPath; }
	} copyOnExit = {m_path = decodedFp, oldPath}; // m_path substituted here until function quits

	bool savingOriginal = (decodedFp == dOldPath),
		 paletteNotSaved = false;

	int imFlags = savingOriginal ? ImageManager::dontPutInCache | ImageManager::toBeSaved : ImageManager::dontPutInCache;

	std::vector<TFrameId> fids;
	getFids(fids);
	std::vector<TFrameId>::iterator it;

	bool isLevelModified = getProperties()->getDirtyFlag();
	bool isPaletteModified = false;
	if (getPalette())
		isPaletteModified = getPalette()->getDirtyFlag();

	if (isLevelModified || isPaletteModified) {
		// gmt (8/8/08. provo a risolvere il pasticcio della scrittura dei tlv. Dobbiamo
		// ripensarci con piu' calma. Per ora cerco di fare meno danno possibile).
		TDimension oldRes(0, 0);

		if (TSystem::doesExistFileOrLevel(decodedFp)) {
			TLevelReaderP lr(decodedFp);
			const TImageInfo *imageInfo = m_frames.empty() ? lr->getImageInfo() : lr->getImageInfo(*(m_frames.begin()));

			if (imageInfo) {
				oldRes.lx = imageInfo->m_lx;
				oldRes.ly = imageInfo->m_ly;
				lr = TLevelReaderP();
				if (getProperties()->getImageRes() != oldRes) {
					//Il comando canvas size cambia le dimensioni del livello!!!
					//Se il file già esiste, nel level writer vengono risettate le dimesnioni del file esistente
					//e salva male
					TSystem::removeFileOrLevel(decodedFp);
				}
			}
		}
		// overwrite tlv
		if (decodedFp.getType() == "tlv" && TSystem::doesExistFileOrLevel(decodedFp)) {
			if (isLevelModified) {
				// in questo caso dovrei scrivere solo i frame modificati.
				// certamente NON DEVO scrivere quelli che non ho (e che dovrei
				// rileggere dallo stesso file che sto scrivendo

				int oldSubs = getProperties()->getSubsampling();

				TLevelWriterP lw;
				try {
					lw = TLevelWriterP(decodedFp);
				} catch (...) {
					//revert subsampling
					m_properties->setSubsampling(oldSubs);
					m_path = oldPath;
					throw TSystemException(decodedFp, "can't fopen.\nSomeone may be saving the same file. Please wait a while and retry.");
				}

				lw->setOverwritePaletteFlag(overwritePalette);

				lw->setCreator(getCreatorString());
				lw->setPalette(getPalette());

				// Filter out of the renumber table all non-tlv frames (could happen if the level
				// is a scan-cleanup mix). This is fine even on the temporarily substituted m_path.
				std::map<TFrameId, TFrameId> renumberTable;

				std::map<TFrameId, TFrameId>::reverse_iterator mapIt = m_renumberTable.rbegin();
				for (mapIt; mapIt != m_renumberTable.rend(); ++mapIt) {
					TFrameId id = mapIt->first;
					if (getFrameStatus(id) != Scanned && getFrameStatus(id) != CleanupPreview)
						renumberTable[id] = mapIt->second;
				}

				m_renumberTable.clear();
				m_renumberTable = renumberTable;

				lw->setIconSize(Preferences::instance()->getIconSize());
				if (!isSubsequence())
					lw->renumberFids(m_renumberTable);

				if (getContentHistory())
					lw->setContentHistory(getContentHistory()->clone());

				ImageLoader::BuildExtData extData(this, TFrameId());

				for (it = fids.begin(); it != fids.end(); ++it) {
					std::string imageId = getImageId(*it, Normal); // Retrieve the actual level frames ("L_whatever")
					if (!ImageManager::instance()->isModified(imageId))
						continue;

					extData.m_fid = *it;
					TImageP img = ImageManager::instance()->getImage(imageId, imFlags, &extData);

					assert(img);
					if (!img)
						continue;

					int subs = 1;
					if (TToonzImageP ti = img)
						subs = ti->getSubsampling();
					else if (TRasterImageP ri = img)
						subs = ri->getSubsampling();

					assert(subs == 1);
					if (subs != 1)
						continue;

					if (TToonzImageP ti = img) {
						/*- SaveBoxを塗り漏れ防止に使用している場合、実際の画像範囲とSaveBoxのサイズが異なるため、ここで更新しておく-*/
						TRect saveBox;
						TRop::computeBBox(ti->getRaster(), saveBox);
						ti->setSavebox(saveBox);
					}

					lw->getFrameWriter(*it)->save(img);
				}

				lw = TLevelWriterP(); // TLevelWriterP's destructor saves the palette
			} else if (isPaletteModified && overwritePalette) {
				TFilePath palettePath = decodedFp.withNoFrame().withType("tpl");
				if (Preferences::instance()->isLevelsBackupEnabled() && TSystem::doesExistFileOrLevel(palettePath))
					saveBackup(palettePath);
				TOStream os(palettePath);
				if (os.checkStatus())
					os << getPalette();
				else
					paletteNotSaved = true;
			}
		} else {
			// per ora faccio quello che facevo prima, ma dobbiamo rivedere tutta la strategia
			LevelUpdater updater(this);
			updater.getLevelWriter()->setCreator(getCreatorString());

			if (isLevelModified) {
				// Apply the level's renumber table, before saving other files.
				// NOTE: This is currently NOT under LevelUpdater's responsibility, as renumber tables
				// are set/manipulated heavily here. The approach should be re-designed, though...
				updater.getLevelWriter()->renumberFids(m_renumberTable);

				if (!m_editableRange.empty())
					fids = std::vector<TFrameId>(m_editableRange.begin(), m_editableRange.end());

				ImageLoader::BuildExtData extData(this, TFrameId());

				for (it = fids.begin(); it != fids.end(); ++it) {
					std::string imageId = getImageId(*it, Normal); // Retrieve the actual level frames ("L_whatever")
					if (!ImageManager::instance()->isModified(imageId))
						continue;

					extData.m_fid = *it;
					TImageP img = ImageManager::instance()->getImage(imageId, imFlags, &extData);

					assert(img);
					if (!img)
						continue;

					int subs = 1;
					if (TToonzImageP ti = img)
						subs = ti->getSubsampling();
					else if (TRasterImageP ri = img)
						subs = ri->getSubsampling();

					assert(subs == 1);
					if (subs != 1)
						continue;

					updater.update(*it, img);
				}
			}
			updater.close(); //Needs the original level subs
			if ((getType() & FULLCOLOR_TYPE) && isPaletteModified)
				FullColorPalette::instance()->savePalette(getScene());
		}
	}

	// Save hooks

	TFilePath hookFile;
	HookSet *hookSet = 0;

	// Save the hookSet in a temporary hook file
	if (getType() == OVL_XSHLEVEL && !m_editableRange.empty()) {
		hookSet = new HookSet(*getHookSet());

		FramesSet::const_iterator it;
		for (it = m_frames.begin(); it != m_frames.end(); ++it) {
			TFrameId fid = *it;
			if (m_editableRange.find(fid) == m_editableRange.end())
				hookSet->eraseFrame(fid);
		}

		//file partially unlocked
		std::wstring fileName = getEditableFileName();
		assert(!fileName.empty());
		TFilePath app = decodedFp.withName(fileName).withType(decodedFp.getType());
		hookFile = getHookPath(app);
	} else {
		hookFile = getHookPath(decodedFp);
		hookSet = getHookSet();
	}

#ifdef _WIN32
	// Remove the hidden attribute (since TOStream's fopen fails on hidden files)
	if (getType() == OVL_XSHLEVEL && !m_editableRange.empty())
		SetFileAttributesW(hookFile.getWideString().c_str(), FILE_ATTRIBUTE_NORMAL);
#endif

	if (hookSet && hookSet->getHookCount() > 0) {
		TOStream os(hookFile);
		os.openChild("hooks");
		hookSet->saveData(os);
		os.closeChild();
	} else if (TFileStatus(hookFile).doesExist()) {
		try {
			TSystem::deleteFile(hookFile);
		} catch (...) {
		}
	}

#ifdef _WIN32
	if (getType() == OVL_XSHLEVEL && !m_editableRange.empty())
		TSystem::hideFileOrLevel(hookFile);
#endif

	if (savingOriginal) {
		setRenumberTable(); // Since the renumber table refers to the
							// 'original' frames saved on disk
		if (m_properties)
			m_properties->setDirtyFlag(false);

		if (getPalette() && overwritePalette)
			getPalette()->setDirtyFlag(false);
	}

	if (paletteNotSaved)
		throw TSystemException(m_path, "The palette of the level could not be saved.");
}

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

std::string TXshSimpleLevel::getImageId(const TFrameId &fid, int frameStatus) const
{
	if (frameStatus < 0)
		frameStatus = getFrameStatus(fid);
	std::string prefix = "L";
	if (frameStatus & CleanupPreview)
		prefix = "P";
	else if ((frameStatus & (Scanned | Cleanupped)) == Scanned)
		prefix = "S";
	std::string imageId = m_idBase + "_" + prefix + fid.expand();
	return imageId;
}

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

int TXshSimpleLevel::getFrameStatus(const TFrameId &fid) const
{
	std::map<TFrameId, int>::const_iterator it = m_framesStatus.find(fid);
	return (it != m_framesStatus.end()) ? it->second : Normal;
}

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

void TXshSimpleLevel::setFrameStatus(const TFrameId &fid, int status)
{
	assert((status & ~(Scanned | Cleanupped | CleanupPreview)) == 0);
	m_framesStatus[fid] = status;
}

//-----------------------------------------------------------------------------
/*- CleanupPopup::setCurrentLevel / TCleanupper で使用 -*/
void TXshSimpleLevel::makeTlv(const TFilePath &tlvPath)
{
	int ltype = getType();

	if (!(ltype & FULLCOLOR_TYPE)) {
		assert(ltype & FULLCOLOR_TYPE);
		return;
	}

	setType(TZP_XSHLEVEL);

	m_scannedPath = m_path;

	assert(tlvPath.getType() == "tlv");
	m_path = tlvPath;

	FramesSet::const_iterator it;
	for (it = m_frames.begin(); it != m_frames.end(); ++it) {
		TFrameId fid = *it;
		setFrameStatus(fid, Scanned);
		ImageManager::instance()->rebind(getImageId(fid, Scanned), getImageId(fid, 0));
		ImageManager::instance()->rebind(getIconId(fid, Scanned), getIconId(fid, 0));
	}
}

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

void TXshSimpleLevel::invalidateFrames()
{
	FramesSet::iterator ft, fEnd = m_frames.end();
	for (ft = m_frames.begin(); ft != fEnd; ++ft)
		ImageManager::instance()->invalidate(getImageId(*ft));
}

//-----------------------------------------------------------------------------
/*- 指定したFIdのみInvalidateする -*/
void TXshSimpleLevel::invalidateFrame(const TFrameId &fid)
{
	std::string id = getImageId(fid);
	ImageManager::instance()->invalidate(id);
}

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

// crea un frame con tipo, dimensioni, dpi, ecc. compatibili con il livello
TImageP TXshSimpleLevel::createEmptyFrame()
{
	TImageP result;

	switch (m_type) {
	case PLI_XSHLEVEL:
		result = new TVectorImage;

	case MESH_XSHLEVEL:
		assert(false); // Not implemented yet
		break;

	default: {
		// normally the image must have the level->getProperties()->getImageDpi().
		// if this value is missing (for some reason - can this happen, ever?) then
		// we use the getDpi() (that is the current dpi, e.g. cameraDpi or customDpi).

		TPointD dpi = getProperties()->getImageDpi();
		/*--
		tgaからtlvにconvertしたものをInsert Pasteしたとき、
		ペーストしたフレームにのみDPIが付いてしまうので、この処理は省く
		--*/
		//if(dpi.x==0.0 || dpi.y==0.0)
		//  dpi = getProperties()->getDpi();

		TDimension res = getProperties()->getImageRes();

		if (m_type == TZP_XSHLEVEL) {
			TRasterCM32P raster(res);
			raster->fill(TPixelCM32());
			TToonzImageP ti(raster, TRect());
			ti->setDpi(dpi.x, dpi.y);
			ti->setSavebox(TRect(0, 0, res.lx - 1, res.ly - 1));

			result = ti;
		} else {
			TRaster32P raster(res);
			raster->fill(TPixel32(0, 0, 0, 0));
			TRasterImageP ri(raster);
			ri->setDpi(dpi.x, dpi.y);

			result = ri;
		}

		break;
	}
	}

	return result;
}

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

// ritorna la risoluzione dei frames del livello (se il livello non e' vettoriale)
TDimension TXshSimpleLevel::getResolution()
{
	if (isEmpty() || getType() == PLI_XSHLEVEL)
		return TDimension();
	return m_properties->getImageRes();
}

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

// ritorna il dpi letto da file
TPointD TXshSimpleLevel::getImageDpi(const TFrameId &fid, int frameStatus)
{
	if (isEmpty() || getType() == PLI_XSHLEVEL)
		return TPointD();

	const TFrameId &theFid = (fid == TFrameId::NO_FRAME || !isFid(fid)) ? getFirstFid() : fid;
	const std::string &imageId = getImageId(theFid, frameStatus);

	const TImageInfo *imageInfo = ImageManager::instance()->getInfo(imageId, ImageManager::none, 0);

	if (!imageInfo)
		return TPointD();

	return TPointD(imageInfo->m_dpix, imageInfo->m_dpiy);
}

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

int TXshSimpleLevel::getImageSubsampling(const TFrameId &fid) const
{
	if (isEmpty() || getType() == PLI_XSHLEVEL)
		return 1;
	TImageP img = TImageCache::instance()->get(getImageId(fid), false);
	if (!img)
		return 1;
	if (TRasterImageP ri = img)
		return ri->getSubsampling();
	if (TToonzImageP ti = img)
		return ti->getSubsampling();
	return 1;
}

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

// ritorna il dpi corrente del livello
TPointD TXshSimpleLevel::getDpi(const TFrameId &fid, int frameStatus)
{
	TPointD dpi;
	if (m_properties->getDpiPolicy() == LevelProperties::DP_ImageDpi)
		dpi = getImageDpi(fid, frameStatus);
	else
		dpi = m_properties->getDpi();
	return dpi;
}

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

void TXshSimpleLevel::renumber(const std::vector<TFrameId> &fids)
{
	assert(fids.size() == m_frames.size());
	int n = fids.size();

	int i = 0;
	std::vector<TFrameId> oldFids;
	getFids(oldFids);
	std::map<TFrameId, TFrameId> table;
	std::map<TFrameId, TFrameId> newRenumberTable;
	for (std::vector<TFrameId>::iterator it = oldFids.begin(); it != oldFids.end(); ++it) {
		TFrameId oldFrameId = *it;
		TFrameId newFrameId = fids[i++];
		table[oldFrameId] = newFrameId;
		std::map<TFrameId, TFrameId>::iterator mapIt = m_renumberTable.begin();
		for (mapIt; mapIt != m_renumberTable.end(); ++mapIt)
			if (mapIt->second == oldFrameId) {
				newRenumberTable[mapIt->first] = newFrameId;
				break;
			}
	}
	std::map<TFrameId, TFrameId>::iterator newMapIt = newRenumberTable.begin();
	for (newMapIt; newMapIt != newRenumberTable.end(); ++newMapIt)
		m_renumberTable[newMapIt->first] = newMapIt->second;

	m_frames.clear();
	for (i = 0; i < n; ++i) {
		TFrameId fid(fids[i]);
		assert(m_frames.count(fid) == 0);
		m_frames.insert(fid);
	}

	ImageManager *im = ImageManager::instance();

	std::map<TFrameId, TFrameId>::iterator jt;

	{
		for (i = 0, jt = table.begin(); jt != table.end(); ++jt, ++i)
			im->rebind(getImageId(jt->first), "^" + toString(i));

		for (i = 0, jt = table.begin(); jt != table.end(); ++jt, ++i)
			im->rebind("^" + toString(i), getImageId(jt->second));
	}

	if (getType() == PLI_XSHLEVEL) {
		for (i = 0, jt = table.begin(); jt != table.end(); ++jt, ++i) {
			const std::string &id = rasterized(getImageId(jt->first));
			if (im->isBound(id))
				im->rebind(id, rasterized("^" + toString(i)));
		}
		for (i = 0, jt = table.begin(); jt != table.end(); ++jt, ++i) {
			const std::string &id = rasterized("^" + toString(i));
			if (im->isBound(id))
				im->rebind(id, rasterized(getImageId(jt->second)));
		}
	}

	if (getType() & FULLCOLOR_TYPE) {
		for (i = 0, jt = table.begin(); jt != table.end(); ++jt, ++i) {
			const std::string &id = filled(getImageId(jt->first));
			if (im->isBound(id))
				im->rebind(id, filled("^" + toString(i)));
		}
		for (i = 0, jt = table.begin(); jt != table.end(); ++jt, ++i) {
			const std::string &id = filled("^" + toString(i));
			if (im->isBound(id))
				im->rebind(id, filled(getImageId(jt->second)));
		}
	}

	m_properties->setDirtyFlag(true);

	if (getHookSet())
		getHookSet()->renumber(table);
}

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

void TXshSimpleLevel::copyFiles(const TFilePath &dst, const TFilePath &src)
{
	if (dst == src)
		return;
	TSystem::touchParentDir(dst);
	TSystem::copyFileOrLevel_throw(dst, src);
	if (dst.getType() == "tlv") {
		//Copio la palette del livello
		TFilePath srcPltPath = src.getParentDir() + TFilePath(src.getWideName() + L".tpl");
		if (TFileStatus(srcPltPath).doesExist())
			TSystem::copyFile(dst.getParentDir() + TFilePath(dst.getWideName() + L".tpl"), srcPltPath, true);
	}
	if (dst.getType() == "tzp" || dst.getType() == "tzu") {
		//Copio la palette del livello
		TFilePath srcPltPath = src.getParentDir() + TFilePath(src.getWideName() + L".plt");
		if (TFileStatus(srcPltPath).doesExist())
			TSystem::copyFile(dst.getParentDir() + TFilePath(dst.getWideName() + L".plt"), srcPltPath, true);
	}

	const TFilePath &srcHookFile = TXshSimpleLevel::getExistingHookFile(src);
	if (!srcHookFile.isEmpty()) {
		const TFilePath &dstHookFile = getHookPath(dst);
		TSystem::copyFile(dstHookFile, srcHookFile, true);
	}
	TFilePath files = src.getParentDir() + (src.getName() + "_files");
	if (TFileStatus(files).doesExist() && TFileStatus(files).isDirectory())
		TSystem::copyDir(dst.getParentDir() + (src.getName() + "_files"), files);
}

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

void TXshSimpleLevel::renameFiles(const TFilePath &dst, const TFilePath &src)
{
	if (dst == src)
		return;
	TSystem::touchParentDir(dst);
	if (TSystem::doesExistFileOrLevel(dst))
		TXshSimpleLevel::removeFiles(dst);
	TSystem::renameFileOrLevel_throw(dst, src);
	if (dst.getType() == "tlv")
		TSystem::renameFile(dst.withType("tpl"), src.withType("tpl"));

	const TFilePath &srcHookFile = TXshSimpleLevel::getExistingHookFile(src);
	if (!srcHookFile.isEmpty()) {
		const TFilePath &dstHookFile = getHookPath(dst);
		TSystem::renameFile(dstHookFile, srcHookFile);
	}

	TFilePath files = src.getParentDir() + (src.getName() + "_files");
	if (TFileStatus(files).doesExist() && TFileStatus(files).isDirectory())
		TSystem::renameFile(dst.getParentDir() + (dst.getName() + "_files"), files);
}

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

void TXshSimpleLevel::removeFiles(const TFilePath &fp)
{
	TSystem::moveFileOrLevelToRecycleBin(fp);
	if (fp.getType() == "tlv") {
		TFilePath tpl = fp.withType("tpl");
		if (TFileStatus(tpl).doesExist())
			TSystem::moveFileToRecycleBin(tpl);
	}

	// Delete ALL hook files (ie from every Toonz version)
	const QStringList &hookFiles = TXshSimpleLevel::getHookFiles(fp);

	int f, fCount = hookFiles.size();
	for (f = 0; f != fCount; ++f)
		TSystem::moveFileToRecycleBin(TFilePath(hookFiles[f].toStdWString()));

	TFilePath files = fp.getParentDir() + (fp.getName() + "_files");
	if (TFileStatus(files).doesExist() && TFileStatus(files).isDirectory())
		TSystem::rmDirTree(files);
}

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

void TXshSimpleLevel::getFiles(const TFilePath &fp, TFilePathSet &fpset)
{
	if (fp.getType() == "tlv") {
		TFilePath tpl = fp.withType("tpl");
		if (TFileStatus(tpl).doesExist())
			fpset.push_back(tpl);
	}

	// Store the hooks file if any (NOTE: there could be more than one hooks
	// file. I'm retaining the behavior I've seen, but was this really intended?
	// Shouldn't we return ALL the hooks files?)
	const TFilePath &hookFile = getExistingHookFile(fp);
	if (!hookFile.isEmpty())
		fpset.push_back(hookFile);

	// Needed for TAB Manga & Kids and not used in Toonz

	//TFilePath files = fp.getParentDir() + (fp.getName() + "_files");
	//if(TFileStatus(files).doesExist() && TFileStatus(files).isDirectory())
	//  TSystem::rmDirTree(files);
}

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

void TXshSimpleLevel::setContentHistory(TContentHistory *contentHistory)
{
	if (contentHistory != m_contentHistory.get())
		m_contentHistory.reset(contentHistory);
}

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

void TXshSimpleLevel::setCompatibilityMasks(int writeMask, int neededMask, int forbiddenMask)
{
	compatibility.writeMask = writeMask;
	compatibility.neededMask = neededMask;
	compatibility.forbiddenMask = forbiddenMask;
}

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

TFilePath TXshSimpleLevel::getHookPath(const TFilePath &path)
{
	// Translates:  levelName..ext  into  levelName_hooks..ext.xml
	//              levelName.ext   into  levelName_hooks.ext.xml

	// Observe that retaining the original level extension IS IMPORTANT, as it ensures
	// the UNICITY of the association between a level path and its hook path (ie
	// levels  test..png  and  test..tif  have separate hook files).

	return TFilePath(path.withName(path.getName() + "_hooks").getWideString() + L".xml");
}

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

QStringList TXshSimpleLevel::getHookFiles(const TFilePath &decodedLevelPath)
{
	const TFilePath &dirPath = decodedLevelPath.getParentDir();
	QDir levelDir(QString::fromStdWString(dirPath.getWideString()));

	QStringList hookFileFilter(QString::fromStdWString(		// We have to scan for files of the
		decodedLevelPath.getWideName() + L"_hooks*.xml"));  // form  levelName_hooks*.xml  to
															// retain backward compatibility
	return levelDir.entryList(								//
		hookFileFilter, QDir::Files | QDir::NoDotAndDotDot, // Observe that we cleverly sort by
		QDir::Time);										// mod date :)
}

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

TFilePath TXshSimpleLevel::getExistingHookFile(const TFilePath &decodedLevelPath)
{
	static const int pCount = 3;
	static const QRegExp pattern[pCount] = {
		// Prioritized in this order
		QRegExp(".*\\.\\.?.+\\.xml$"), // whatever.(.)ext.xml
		QRegExp(".*\\.xml$"),		   // whatever.xml
		QRegExp(".*\\.\\.?xml$")	   // whatever.(.)xml
	};

	struct locals {

		static inline int getPattern(const QString &fp)
		{
			for (int p = 0; p != pCount; ++p)
				if (pattern[p].exactMatch(fp))
					return p;
			return -1;
		}
	}; // locals

	const QStringList &hookFiles = getHookFiles(decodedLevelPath);
	if (hookFiles.empty())
		return TFilePath();

	// Return the hook file with the most recent (smallest) identified
	// regexp pattern
	int fPattern, p = pCount, h = -1;

	int f, fCount = hookFiles.size();
	for (f = 0; f != fCount; ++f) {
		fPattern = locals::getPattern(hookFiles[f]);
		if (fPattern < p)
			p = fPattern, h = f;
	}

	assert(h >= 0);
	return (h < 0) ? TFilePath() : decodedLevelPath.getParentDir() + TFilePath(hookFiles[h].toStdWString());
}

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

TRectD TXshSimpleLevel::getBBox(const TFrameId &fid) const
{
	TRectD bbox;
	double dpiX = Stage::inch, dpiY = dpiX;

	// Get the frame bbox in image coordinates
	switch (getType()) {
	case PLI_XSHLEVEL:
	case MESH_XSHLEVEL: {
		// Load the image and extract its bbox forcibly
		TImageP img = getFrame(fid, false);
		if (!img)
			return TRectD();

		bbox = img->getBBox();

		if (TMeshImageP mi = img)
			mi->getDpi(dpiX, dpiY);

		break;
	}

	default: {
		// Raster case: retrieve the image info from the ImageManager
		const std::string &imageId = getImageId(fid);

		const TImageInfo *info = ImageManager::instance()->getInfo(imageId, ImageManager::none, 0);
		if (!info)
			return TRectD();

		bbox =
			TRectD(TPointD(info->m_x0, info->m_y0), TDimensionD(info->m_lx, info->m_ly)) - // Using lx, ly is less ambiguous
			0.5 * TPointD(info->m_lx, info->m_ly);

		if (info->m_dpix > 0.0 && info->m_dpiy > 0.0)
			dpiX = info->m_dpix, dpiY = info->m_dpiy;

		break;
	}
	}

	// Get the frame's dpi and traduce the bbox to inch coordinates
	return TScale(1.0 / dpiX, 1.0 / dpiY) * bbox;
}