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

#ifndef BackupUnitH
#define BackupUnitH

#include "GlobalUnit.h"
//---------------------------------------------------------------------------
#define CHECK_GET 		0x0000
#define CHECK_KEY 		0x0001
#define CHECK_BAR	    0x0002
#define CHECK_CHORD		0x0004
#define CHECK_FILL		0x0008
#define CHECK_STAGE		0x0010
#define CHECK_POS		0x0020
#define CHECK_VAR 		0x0040
#define CHECK_STYLE		0X0080
#define CHECK_ALL		0x00FF

class TMelodyBackup
{
private:
	BOOL m_bModified;

	int m_iKey;
	int m_nBarCount;
	int m_nStageCount;
	int (*m_aChords)[2];
	int *m_aFills;
	int (*m_aStages)[3];

public:
	TMelodyBackup();
	~TMelodyBackup();

	void Backup();
	void Restore();
	void Clear();
	BOOL CheckModified( int iCheckType=CHECK_ALL );
};

class TComposeBackup
{
private:
	BOOL m_bModified;
	int m_nStageCount;
	COMPOSESTAGELIST m_lstStages;

public:
	TComposeBackup();
	~TComposeBackup();

	int m_iKey;
	void Clear();
	void Backup( int iKey );
	void Restore();
	BOOL CheckModified( int iCheckType=CHECK_ALL );
};

extern TMelodyBackup g_bkMelody;
extern TComposeBackup g_bkCompose;

#endif