#pragma once
#include "common.h"

struct BkgndInfo {
	int vRange;
	int hRange;
	int zRange;
	unsigned int *arrays[1];
};

class AFX_EXT_CLASS UT2BkgndInfo {
public:
	static BkgndInfo* SetupBkgndInfo(const RECT&, int);
	static void DisposeBkgndInfo(BkgndInfo*&);
	static unsigned int GetBkgndInfo(BkgndInfo* const, int, int);
	static void UnitToBkgndRect(const RECT&, RECT&);
	static void BkgndToUnitRect(const RECT&, RECT&);
	static void GetOffBkgndRect(int, RECT&);
	static void ReplaceID(const BkgndInfo*, unsigned int, int);
};