#ifndef T_PINNED_RANGE_SET_INCLUDED

#define T_PINNED_RANGE_SET_INCLUDED

#include "tstageobject.h"

#undef DVAPI

#undef DVVAR

#ifdef TOONZLIB_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

class DVAPI TPinnedRangeSet

{

public:

	struct Range {

		int first, second;

		Range(int _first, int _second)

			: first(_first), second(_second)

		{

		}

	};

	TPinnedRangeSet();

	~TPinnedRangeSet() {}

	void resetRanges() { m_ranges.clear(); }

	void setPlacement(const TAffine &placement);

	const TAffine &getPlacement() const { return m_placement; }

	void setRange(int first, int second);

	void removeRange(int first, int second);

	void removeAllRanges();

	int isPinned(int frame) const

	{

		return getRangeIndex(frame) >= 0;

	}

	const Range *getRange(int frame) const

	{

		int rangeIndex = getRangeIndex(frame);

		return rangeIndex >= 0 ? &m_ranges[rangeIndex] : 0;

	}

	const Range *getNextRange(int frame) const

	{

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

			if (m_ranges[i].first > frame)

				return &m_ranges[i];

		return 0;

	}

	const Range *getRangeByIndex(int index) const { return &m_ranges[index]; }

	int getRangeCount() const { return (int)m_ranges.size(); }

	TPinnedRangeSet *clone();

	void loadData(TIStream &is);

	void saveData(TOStream &os);

private:

	TStageObject *m_stageObject;

	std::vector<range> m_ranges;</range>

	TAffine m_placement;

	int getRangeIndex(int frame) const;

};

#endif