// TnzLib includes

#include "toonz/textureutils.h"

#include "toonz/txsheethandle.h"

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

// TXsheeHandle

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

TXsheetHandle::TXsheetHandle()

	: m_xsheet(0)

{

}

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

TXsheetHandle::~TXsheetHandle()

{

}

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

TXsheet *TXsheetHandle::getXsheet() const

{

	return m_xsheet;

}

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

void TXsheetHandle::setXsheet(TXsheet *xsheet)

{

	if (m_xsheet == xsheet)

		return;

	m_xsheet = xsheet;

	if (m_xsheet) {

		texture_utils::invalidateTextures(m_xsheet); // We'll be editing m_xsheet - so destroy every texture of his

		emit xsheetSwitched();

	}

}