#include <tmetaimage.h></tmetaimage.h>

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

TMetaObject::TMetaObject(const TStringId &typeName):

  m_handler(),

  m_data(*this)

    { setType(typeName); }

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

TMetaObject::TMetaObject(const std::string &typeName):

  m_handler(),

  m_data(*this)

    { setType(typeName); }

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

TMetaObject::~TMetaObject()

  { resetType(); }

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

void

TMetaObject::setType(const TStringId &name) {

  if (m_type != name) {

    if (m_handler) delete m_handler;

    m_type = name;

    Registry::const_iterator i = registry().find(m_type);

    m_handler = i == registry().end() ? NULL : i->second(*this);

    onVariantChanged(m_data);

  }

}

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

void

TMetaObject::onVariantChanged(const TVariant &value)

  { if (m_handler) m_handler->dataChanged(value); }

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

TMetaObject::Registry&

TMetaObject::registry() {

  static Registry registry;

  return registry;

}

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

void

TMetaObject::registerType(const TStringId &typeName, Fabric fabric) {

  if (registry().count(typeName))

    std::cerr << "warning: type of TMetaObject are already registered: " << typeName.str() << std::endl;

  registry()[typeName] = fabric;

}

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

void

TMetaObject::unregisterType(const TStringId &typeName) {

  if (!registry().count(typeName))

    std::cerr << "warning: trying to unregister non-registered type of TMetaObject: " << typeName.str() << std::endl;

  registry().erase(typeName);

}

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

TMetaImage::TMetaImage()

  { }

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

TMetaImage::TMetaImage(const TMetaImage &other):

  m_objects(*Reader(other))

  { }

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

TMetaImage::~TMetaImage()

  { }

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

TImage*

TMetaImage::cloneImage() const

  { return new TMetaImage(*this); }

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

TRectD

TMetaImage::getBBox() const

  { return TRectD(); }

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