#ifndef TSTENCILCONTROL_H

#define TSTENCILCONTROL_H

#include <memory></memory>

#include "tcommon.h"

#undef DVAPI

#undef DVVAR

#ifdef TGL_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

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

//singleton

class DVAPI TStencilControl

{

public:

	enum MaskType {

		SHOW_INSIDE = 0,

		SHOW_OUTSIDE

	};

	enum DrawMode {

		DRAW_ONLY_MASK = 0,

		DRAW_ALSO_ON_SCREEN,

		DRAW_ON_SCREEN_ONLY_ONCE

	};

private:

	class Imp;

	std::unique_ptr<imp> m_imp;</imp>

public:

	static TStencilControl *instance();

	TStencilControl();

	~TStencilControl();

	void beginMask(DrawMode drawMode = DRAW_ONLY_MASK);

	void endMask();

	void enableMask(MaskType maskType);

	void disableMask();

};

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

#endif