// TnzCore includes

#include "tsimplecolorstyles.h"

#include "timage_io.h"

#include "tconvert.h"

#include "tvectorimage.h"

#include "tpixelutils.h"

#include "tsystem.h"

#include "tstream.h"

// Qt includes

#include <qmutexlocker></qmutexlocker>

#include "tpalette.h"

#include <memory></memory>

#include <sstream></sstream>

PERSIST_IDENTIFIER(TPalette, "palette")

TPersistDeclarationT<tpalette> auxPaletteDeclaration("vectorpalette");</tpalette>

DEFINE_CLASS_CODE(TPalette, 30)

//*************************************************************************************

//    Local namespace  stuff

//*************************************************************************************

namespace {

const std::string pointToString(const TColorStyle::PickedPosition &point) {

  if (point.frame == 0)

    return std::to_string(point.pos.x) + "," + std::to_string(point.pos.y);

  else

    return std::to_string(point.pos.x) + "," + std::to_string(point.pos.y) +

           "," + std::to_string(point.frame);

}

// splitting string with ','

const TColorStyle::PickedPosition stringToPoint(const std::string &string) {

  std::string buffer;

  std::stringstream ss(string);

  std::vector<std::string> result;</std::string>

  while (std::getline(ss, buffer, ','))  // split with comma

    result.push_back(buffer);

  int x     = std::stoi(result[0]);

  int y     = std::stoi(result[1]);

  int frame = 0;

  if (result.size() == 3)  // getting the third part of string - if any.

    frame = std::stoi(result[2]);

  return {TPoint(x, y), frame};

}

// convert refLevelFids to string for saving

std::string fidsToString(const std::vector<tframeid> &fids) {</tframeid>

  std::string str;

  QList<int> numList;</int>

  for (const auto fid : fids) {

    int num = fid.getNumber();

    if (numList.isEmpty() || num == numList.last() + 1) {

      numList.push_back(num);

      continue;

    }

    // print

    if (numList.count() == 1)

      str += std::to_string(numList[0]) + ",";

    else if (numList.count() == 2)

      str +=

          std::to_string(numList[0]) + "," + std::to_string(numList[1]) + ",";

    else

      str += std::to_string(numList[0]) + "-" + std::to_string(numList.last()) +

             ",";

    numList.clear();

    numList.push_back(num);

  }

  if (numList.count() == 1)

    str += std::to_string(numList[0]);

  else if (numList.count() == 2)

    str += std::to_string(numList[0]) + "," + std::to_string(numList[1]);

  else

    str += std::to_string(numList[0]) + "-" + std::to_string(numList.last());

  return str;

}

// convert loaded string to refLevelFids

std::vector<tframeid> strToFids(std::string fidsStr) {</tframeid>

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

  QString str        = QString::fromStdString(fidsStr);

  QStringList chunks = str.split(',', QString::SkipEmptyParts);

  for (const auto &chunk : chunks) {

    QStringList nums = chunk.split('-', QString::SkipEmptyParts);

    assert(nums.count() > 0 && nums.count() <= 2);

    if (nums.count() == 1)

      ret.push_back(TFrameId(nums[0].toInt()));

    else {  // nums.count() == 2

      assert(nums[0].toInt() < nums[1].toInt());

      for (int i = nums[0].toInt(); i <= nums[1].toInt(); i++)

        ret.push_back(TFrameId(i));

    }

  }

  return ret;

}

}  // namespace

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

//

// TPalette::Page

//

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

TPalette::Page::Page(std::wstring name)

    : m_name(name), m_index(-1), m_palette(0) {}

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

TColorStyle *TPalette::Page::getStyle(int index) const {

  assert(m_palette);

  if (0 <= index && index < getStyleCount())

    return m_palette->getStyle(m_styleIds[index]);

  else

    return 0;

}

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

int TPalette::Page::getStyleId(int index) const {

  assert(m_palette);

  if (0 <= index && index < getStyleCount())

    return m_styleIds[index];

  else

    return -1;

}

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

int TPalette::Page::addStyle(int styleId) {

  assert(m_palette);

  if (styleId < 0 || styleId >= m_palette->getStyleCount()) return -1;

  if (m_palette->m_styles[styleId].first != 0) return -1;

  m_palette->m_styles[styleId].first = this;

  int indexInPage                    = int(m_styleIds.size());

  m_styleIds.push_back(styleId);

  return indexInPage;

}

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

int TPalette::Page::addStyle(TColorStyle *style) {

  assert(m_palette);

  int stylesCount = int(m_palette->m_styles.size());

  int styleId;

  for (styleId = 0; styleId < stylesCount; styleId++)

    if (m_palette->m_styles[styleId].first == 0) break;

  if (styleId >= stylesCount - 1) return addStyle(m_palette->addStyle(style));

  m_palette->setStyle(styleId, style);

  return addStyle(styleId);

}

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

int TPalette::Page::addStyle(TPixel32 color) {

  return addStyle(new TSolidColorStyle(color));

}

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

void TPalette::Page::insertStyle(int indexInPage, int styleId) {

  assert(m_palette);

  if (styleId < 0 || styleId >= m_palette->getStyleCount()) return;

  if (m_palette->m_styles[styleId].first != 0) return;

  m_palette->m_styles[styleId].first = this;

  if (indexInPage < 0)

    indexInPage = 0;

  else if (indexInPage > getStyleCount())

    indexInPage = getStyleCount();

  m_styleIds.insert(m_styleIds.begin() + indexInPage, styleId);

}

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

void TPalette::Page::insertStyle(int indexInPage, TColorStyle *style) {

  assert(m_palette);

  int styleId = m_palette->addStyle(style);

  if (styleId >= 0) insertStyle(indexInPage, styleId);

}

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

void TPalette::Page::insertStyle(int indexInPage, TPixel32 color) {

  assert(m_palette);

  int styleId = m_palette->addStyle(color);

  if (styleId >= 0) insertStyle(indexInPage, styleId);

}

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

void TPalette::Page::removeStyle(int indexInPage) {

  if (indexInPage < 0 || indexInPage >= getStyleCount()) return;

  assert(m_palette);

  int styleId = getStyleId(indexInPage);

  assert(0 <= styleId && styleId < m_palette->getStyleCount());

  assert(m_palette->m_styles[styleId].first == this);

  m_palette->m_styles[styleId].first = 0;

  m_styleIds.erase(m_styleIds.begin() + indexInPage);

}

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

int TPalette::Page::search(int styleId) const {

  std::vector<int>::const_iterator it =</int>

      std::find(m_styleIds.begin(), m_styleIds.end(), styleId);

  if (it == m_styleIds.end())

    return -1;

  else

    return it - m_styleIds.begin();

}

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

int TPalette::Page::search(TColorStyle *style) const {

  assert(style);

  assert(m_palette);

  for (int i = 0; i < getStyleCount(); i++)

    if (m_palette->getStyle(m_styleIds[i]) == style) return i;

  return -1;

}

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

//

// TPalette

//

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

TPalette::TPalette()

    : m_version(0)

    , m_isCleanupPalette(false)

    , m_currentFrame(-1)

    , m_dirtyFlag(false)

    , m_mutex(QMutex::Recursive)

    , m_isLocked(false)

    , m_askOverwriteFlag(false)

    , m_shortcutScopeIndex(0)

    , m_currentStyleId(1) {

  QString tempName(QObject::tr("colors"));

  std::wstring pageName = tempName.toStdWString();

  Page *page            = addPage(pageName);

  page->addStyle(TPixel32(255, 255, 255, 0));

  page->addStyle(TPixel32(0, 0, 0, 255));

  getStyle(0)->setName(L"color_0");

  getStyle(1)->setName(L"color_1");

  for (int i = 0; i < 10; i++) m_shortcuts['0' + i] = i;

}

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

TPalette::~TPalette() {

  std::set<tcolorstyle *=""> table;</tcolorstyle>

  int i = 0;

  for (i = 0; i < getStyleCount(); i++) {

    assert(table.find(getStyle(i)) == table.end());

    table.insert(getStyle(i));

  }

  clearPointerContainer(m_pages);

}

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

TPalette *TPalette::clone() const {

  TPalette *palette = new TPalette;

  palette->assign(this);

  return palette;

}

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

TColorStyle *TPalette::getStyle(int index) const {

  if (0 <= index && index < getStyleCount())

    return m_styles[index].second.getPointer();

  else {

    static TSolidColorStyle *ss = new TSolidColorStyle(TPixel32::Red);

    ss->addRef();

    return ss;

  }

}

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

int TPalette::getStyleInPagesCount() const {

  int styleInPagesCount = 0;

  for (int i = 0; i < getStyleCount(); i++)

    if (m_styles[i].first != 0) styleInPagesCount++;

  return styleInPagesCount;

}

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

int TPalette::getFirstUnpagedStyle() const {

  for (int i = 0; i < getStyleCount(); i++)

    if (m_styles[i].first == 0) return i;

  return -1;

}

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

/*! Adding style with new styleId. Even if there are deleted styles in the

 * palette, the new style will be appended to the end of the list.

 */

int TPalette::addStyle(TColorStyle *style) {

  // limit the number of cleanup style to 7

  if (isCleanupPalette() && getStyleInPagesCount() >= 8) return -1;

  int styleId = int(m_styles.size());

  if (styleId < 4096) {

    // checking if the style is overlapped

    int i = 0;

    for (i = 0; i < styleId; i++)

      if (getStyle(i) == style) break;

    if (i == styleId) {

      m_styles.push_back(std::make_pair((Page *)0, style));

      return styleId;

    }

  }

  delete style;

  return -1;

}

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

int TPalette::addStyle(const TPixel32 &color) {

  return addStyle(new TSolidColorStyle(color));

}

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

void TPalette::setStyle(int styleId, TColorStyle *style) {

  std::unique_ptr<tcolorstyle> styleOwner(style);</tcolorstyle>

  int styleCount = getStyleCount();

  if (0 <= styleId && styleId < styleCount) {

    // Find out if the supplied style is already in the palette

    // with a different style id. In that case, bail out as a noop.

    for (int i = 0; i < styleCount; ++i)

      if (style == getStyle(i)) return;

    // Substitution can take place

    if (typeid(*m_styles[styleId].second.getPointer()) != typeid(*style))

      m_styleAnimationTable.erase(styleId);

    m_styles[styleId].second = styleOwner.release();

  }

}

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

void TPalette::setStyle(int styleId, const TPixelRGBM32 &color) {

  setStyle(styleId, new TSolidColorStyle(color));

}

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

int TPalette::getPageCount() const { return int(m_pages.size()); }

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

TPalette::Page *TPalette::getPage(int pageIndex) {

  if (0 <= pageIndex && pageIndex < getPageCount()) {

    Page *page = m_pages[pageIndex];

    assert(page->getIndex() == pageIndex);

    assert(page->m_palette == this);

    return page;

  } else

    return 0;

}

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

const TPalette::Page *TPalette::getPage(int pageIndex) const {

  if (0 <= pageIndex && pageIndex < getPageCount()) {

    Page *page = m_pages[pageIndex];

    assert(page->getIndex() == pageIndex);

    assert(page->m_palette == this);

    return page;

  } else

    return 0;

}

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

TPalette::Page *TPalette::addPage(std::wstring name) {

  Page *page      = new Page(name);

  page->m_index   = getPageCount();

  page->m_palette = this;

  m_pages.push_back(page);

  return page;

}

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

void TPalette::erasePage(int index) {

  Page *page = getPage(index);

  if (!page) return;

  m_pages.erase(m_pages.begin() + index);

  int i;

  for (i = 0; i < getPageCount(); i++) m_pages[i]->m_index = i;

  for (i = 0; i < page->getStyleCount(); i++)

    m_styles[page->getStyleId(i)].first = 0;

  page->m_palette = 0;

  delete page;

}

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

void TPalette::movePage(Page *page, int dstPageIndex) {

  assert(page);

  assert(page->m_palette == this);

  dstPageIndex = tcrop(dstPageIndex, 0, getPageCount() - 1);

  if (dstPageIndex == page->getIndex()) return;

  m_pages.erase(m_pages.begin() + page->getIndex());

  m_pages.insert(m_pages.begin() + dstPageIndex, page);

  for (int i = 0; i < getPageCount(); i++) m_pages[i]->m_index = i;

  assert(page->getIndex() == dstPageIndex);

}

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

TPalette::Page *TPalette::getStylePage(int styleId) const {

  if (0 <= styleId && styleId < getStyleCount())

    return m_styles[styleId].first;

  else

    return 0;

}

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

int TPalette::getClosestStyle(const TPixel32 &color) const {

  struct locals {

    static inline int getDistance2(const TPixel32 &a, const TPixel32 &b) {

      return (a.r - b.r) * (a.r - b.r) + (a.g - b.g) * (a.g - b.g) +

             (a.b - b.b) * (a.b - b.b) + (a.m - b.m) * (a.m - b.m);

    }

  };  // locals

  if (color == TPixel32::Transparent) return 0;

  int bestIndex    = -1;

  int bestDistance = 255 * 255 * 4 + 1;

  for (int i = 1; i < (int)m_styles.size(); i++) {

    // if(i==FirstUserStyle+2) continue;

    TSolidColorStyle *scs =

        dynamic_cast<tsolidcolorstyle *="">(m_styles[i].second.getPointer());</tsolidcolorstyle>

    if (scs) {

      int d = locals::getDistance2(scs->getMainColor(), color);

      if (d < bestDistance) {

        bestIndex    = i;

        bestDistance = d;

      }

    }

  }

  return bestIndex;

}

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

bool TPalette::getFxRects(const TRect &rect, TRect &rectIn, TRect &rectOut) {

  int i;

  bool ret = false;

  int borderIn, borderOut, fullBorderIn = 0, fullBorderOut = 0;

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

    if (m_styles[i].second->isRasterStyle()) {

      m_styles[i].second->getRasterStyleFx()->getEnlargement(borderIn,

                                                             borderOut);

      fullBorderIn  = std::max(fullBorderIn, borderIn);

      fullBorderOut = std::max(fullBorderOut, borderOut);

      ret           = true;

    }

  rectIn  = rect.enlarge(fullBorderIn);

  rectOut = rect.enlarge(fullBorderOut);

  return ret;

}

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

//

// I/O

//

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

namespace {

class StyleWriter final : public TOutputStreamInterface {

  TOStream &m_os;

  int m_index;

public:

  static TFilePath m_rootDir;

  StyleWriter(TOStream &os, int index) : m_os(os), m_index(index) {}

  static void setRootDir(const TFilePath &fp) { m_rootDir = fp; }

  TOutputStreamInterface &operator<<(double x) override {

    m_os << x;

    return *this;

  };

  TOutputStreamInterface &operator<<(int x) override {

    m_os << x;

    return *this;

  };

  TOutputStreamInterface &operator<<(std::string x) override {

    m_os << x;

    return *this;

  };

  TOutputStreamInterface &operator<<(UCHAR x) override {

    m_os << (int)x;

    return *this;

  };

  TOutputStreamInterface &operator<<(USHORT x) override {

    m_os << (int)x;

    return *this;

  };

  TOutputStreamInterface &operator<<(const TPixel32 &x) override {

    m_os << x;

    return *this;

  };

  TOutputStreamInterface &operator<<(const TRaster32P &ras) override {

    assert(m_rootDir != TFilePath());

    std::string name = "texture_" + std::to_string(m_index);

    m_os << name;

    TFilePath filename = ((m_rootDir + "textures") + name).withType("bmp");

    if (!TFileStatus(m_rootDir + "textures").doesExist()) {

      try {

        TSystem::mkDir(m_rootDir + "textures");

      } catch (...) {

      }

    }

    TImageWriter::save(filename, ras);

    return *this;

  };

};

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

class StyleReader final : public TInputStreamInterface {

  TIStream &m_is;           //!< Wrapped input stream.

  VersionNumber m_version;  //!< Palette version number (overrides m_is's one).

public:

  static TFilePath m_rootDir;

public:

  StyleReader(TIStream &is, const VersionNumber &version)

      : m_is(is), m_version(version) {}

  static void setRootDir(const TFilePath &fp) { m_rootDir = fp; }

  TInputStreamInterface &operator>>(double &x) override {

    m_is >> x;

    return *this;

  }

  TInputStreamInterface &operator>>(int &x) override {

    m_is >> x;

    return *this;

  }

  TInputStreamInterface &operator>>(std::string &x) override {

    m_is >> x;

    return *this;

  }

  TInputStreamInterface &operator>>(UCHAR &x) override {

    int v;

    m_is >> v;

    x = v;

    return *this;

  }

  TInputStreamInterface &operator>>(USHORT &x) override {

    int v;

    m_is >> v;

    x = v;

    return *this;

  }

  TInputStreamInterface &operator>>(TRaster32P &x) override {

    assert(m_rootDir != TFilePath());

    std::string name;

    m_is >> name;

    TFilePath filename = ((m_rootDir + "textures") + name).withType("bmp");

    TRasterP ras;

    if (TImageReader::load(filename, ras)) {

      x = ras;

    }

    return *this;

  }

  TInputStreamInterface &operator>>(TPixel32 &x) override {

    m_is >> x;

    return *this;

  }

  /*!

\details  Explicitly overrides the stream's version, returning m_version.

        This is necessary since palettes have their \a own version number,

        which is \a not the TIStream's file one.

*/

  VersionNumber versionNumber() const override {

    return m_version;

  }  //!< Returns the palette's version number.

};

TFilePath StyleWriter::m_rootDir = TFilePath();

TFilePath StyleReader::m_rootDir = TFilePath();

}  // namespace

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

void TPalette::setRootDir(const TFilePath &fp) {

  StyleWriter::setRootDir(fp);

  StyleReader::setRootDir(fp);

}

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

void TPalette::saveData(TOStream &os) {

  os.child("version") << 71 << 0;  // Inserting the version tag at this level.

  // This is necessary to support the tpl format

  if (m_refImgPath !=

      TFilePath()) {  // since it performs *untagged* stream output

    if (m_areRefLevelFidsSpecified) {

      std::map<std::string, std::string=""> attr;</std::string,>

      attr["fids"] = fidsToString(m_refLevelFids);

      os.openChild("refImgPath", attr);

    } else

      os.openChild("refImgPath");

    os << m_refImgPath;  // (the palette is streamed directly).

    os.closeChild();

  }

  os.openChild("styles");

  {

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

      TColorStyleP style = m_styles[i].second;

      if (style->getPickedPosition().pos == TPoint())

        os.openChild("style");

      else {

        std::map<std::string, std::string=""> attr;</std::string,>

        attr["pickedpos"] = pointToString(style->getPickedPosition());

        os.openChild("style", attr);

      }

      {

        StyleWriter w(os, i);

        style->save(w);

      }

      os.closeChild();

    }

  }

  os.closeChild();

  os.openChild("stylepages");

  {

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

      Page *page = getPage(i);

      os.openChild("page");

      {

        os.child("name") << page->getName();

        os.openChild("indices");

        {

          int m = page->getStyleCount();

          for (int j = 0; j < m; ++j) os << page->getStyleId(j);

        }

        os.closeChild();

      }

      os.closeChild();

    }

  }

  os.closeChild();

  if (isAnimated()) {

    os.openChild("animation");

    {

      StyleAnimationTable::iterator sat, saEnd = m_styleAnimationTable.end();

      for (sat = m_styleAnimationTable.begin(); sat != saEnd; ++sat) {

        int styleId               = sat->first;

        StyleAnimation &animation = sat->second;

        std::map<std::string, std::string=""> attributes;</std::string,>

        attributes["id"] = std::to_string(styleId);

        os.openChild("style", attributes);

        {

          StyleAnimation::iterator kt, kEnd = animation.end();

          for (kt = animation.begin(); kt != kEnd; ++kt) {

            int frame = kt->first;

            TColorStyle *cs = kt->second.getPointer();

            assert(cs);

            attributes.clear();

            attributes["frame"] = std::to_string(frame);

            /*os.openChild("keycolor", attributes);                       // Up

            to Toonz 7.0, animations saved os << cs->getMainColor(); // the main

            color only os.closeChild();*/  //

            os.openChild("keyframe", attributes);

            {

              StyleWriter w(os, sat->first);

              kt->second->save(w);

            }

            os.closeChild();

          }

        }

        os.closeChild();

      }

    }

    os.closeChild();

  }

  // salvo gli shortcuts solo se sono non standard

  int i;

  for (i = 0; i < 10; ++i)

    if (getShortcutValue('0' + i) != i) break;

  if (i < 10) {

    os.openChild("shortcuts");

    {

      for (i = 0; i < 10; i++) os << getShortcutValue('0' + i);

    }

    os.closeChild();

  }

  if (isLocked()) {

    os.openChild("lock");

    os << 1;

    os.closeChild();

  }

}

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

void TPalette::loadData(TIStream &is) {

  m_styles.clear();

  clearPointerContainer(m_pages);

  VersionNumber version = is.getVersion();

  std::string tagName;

  while (is.openChild(tagName)) {

    if (tagName == "version") {

      is >> version.first >> version.second;

      if (version > VersionNumber(71, 0))

        throw TException("palette, unsupported version number");

    } else if (tagName == "styles") {

      while (!is.eos())  // I think while(is.openChild(tagName))

      {                  // would be better. However, I don't trust

        if (!is.openChild(tagName) ||

            tagName !=

                "style")  // TIStream's implementation very much. Keeping it

          throw TException(

              "palette, expected tag <style>");  // like this for now.</style>

        {

          StyleReader r(is, version);

          TColorStyle *cs = TColorStyle::load(r);

          std::string pickedPosStr;

          if (is.getTagParam("pickedpos", pickedPosStr))

            cs->setPickedPosition(stringToPoint(pickedPosStr));

          addStyle(cs);

        }

        is.closeChild();

      }

    } else if (tagName == "stylepages") {

      while (!is.eos()) {

        if (!is.openChild(tagName) || tagName != "page")

          throw TException("palette, expected tag <stylepage>");</stylepage>

        {

          std::wstring pageName;

          if (!is.openChild(tagName) || tagName != "name")

            throw TException("palette, expected tag <name>");</name>

          { is >> pageName; }

          is.closeChild();

          Page *page = addPage(pageName);

          if (!is.openChild(tagName) || tagName != "indices")

            throw TException("palette, expected tag <indices>");</indices>

          {

            while (!is.eos()) {

              int index;

              is >> index;

              page->addStyle(index);

            }

          }

          is.closeChild();

        }

        is.closeChild();

      }

    } else if (tagName == "refImgPath") {

      std::string fidsStr;

      if (is.getTagParam("fids", fidsStr)) {

        m_areRefLevelFidsSpecified = true;

        m_refLevelFids             = strToFids(fidsStr);

      } else {

        m_areRefLevelFidsSpecified = false;

        m_refLevelFids.clear();

      }

      is >> m_refImgPath;

    } else if (tagName == "animation") {

      while (!is.eos()) {

        if (!is.openChild(tagName) || tagName != "style")

          throw TException("palette, expected tag <style>");</style>

        {

          int styleId = 0;

          if (!is.getTagParam("id", styleId))

            throw TException("palette, missing id attribute in tag <style>");</style>

          StyleAnimation animation;

          TColorStyle *style = getStyle(styleId);

          assert(style);

          while (is.matchTag(tagName)) {

            TColorStyle *cs = 0;

            int frame       = 0;

            if (tagName == "keycolor") {

              if (!is.getTagParam("frame", frame))

                throw TException(

                    "palette, missing frame attribute in tag <keycolor>");</keycolor>

              TPixel32 color;

              is >> color;

              cs = style->clone();

              cs->setMainColor(color);

            } else if (tagName == "keyframe") {

              if (!is.getTagParam("frame", frame))

                throw TException(

                    "palette, missing frame attribute in tag <keyframe>");</keyframe>

              StyleReader r(is, version);

              cs = TColorStyle::load(r);

            } else

              throw TException("palette, expected <keyframe> tag");</keyframe>

            animation[frame] = cs;

            is.closeChild();

          }

          m_styleAnimationTable[styleId] = animation;

        }

        is.closeChild();

      }

    } else if (tagName == "stylepages") {

      int key = '0';

      while (!is.eos()) {

        int styleId = 0;

        is >> styleId;

        if (key <= '9') setShortcutValue(key, styleId);

      }

    } else if (tagName == "shortcuts") {

      for (int i = 0; i < 10; ++i) {

        int v;

        is >> v;