///////////////////////////////////////////////////////////

// CDIRDRAW.H -- Header file for the CDirDraw class.

///////////////////////////////////////////////////////////



#ifndef __CDIRDRAW_H

#define __CDIRDRAW_H



#include "cdib.h"

#include <ddraw.h>



const BACKBUFFERNUM = 0;



class CDirDraw

{

protected:

    LPDIRECTDRAW m_pDirectDrawObj;

    LPDIRECTDRAWPALETTE m_pDirectDrawPal;

    LPDIRECTDRAWSURFACE m_pPrimarySurface;

    LPDIRECTDRAWSURFACE m_pBackBuffer;

    HWND m_hWindow;

    UINT m_currentSurfaceNum;

    LPDIRECTDRAWSURFACE m_surfacePointers[101];

	char* m_surfaceBitsPtr[101];

    CDib* m_surfaceDibPointers[101];

    BOOL m_colorKeySet[101];

#ifdef _DEBUG

	CRect m_mainsurfacecliprect;

#endif



public:

    CDirDraw(HWND hWnd);

    ~CDirDraw();

    UINT CreateOffScreenSurface(UINT width, UINT height);

    BOOL SetPalette(CDib* pDib);

    BOOL DirectDrawOK();

    BOOL ClearSurface(UINT surfaceNum);

    BOOL FlipSurfaces();

    BOOL CopyDibToSurface(UINT surfaceNum,

        CPoint* dstPoint, CDib* pDib, CRect* srcRect);

    BOOL SetTransparentColors(UINT surfaceNum,

        UINT lowColor, UINT hiColor);

    BOOL BlitImage(CPoint* point, UINT surfaceNum, CRect* rect);

	BOOL GetSurfaceDesc(UINT surfaceNum, LPDDSURFACEDESC lpDesc);

	BOOL Lock(UINT surfaceNum, LPDDSURFACEDESC lpDesc);

	BOOL Unlock(UINT surfaceNum);



#ifdef _DEBUG

	void GetClipRect(CRect& rectClip);

	void SetClipRect(CRect& rectClip);

#endif



protected:

    BOOL InitDirectDraw();

    BOOL CreateMainSurfaces();

    void ReleaseAll();

    void RestoreOffScreenSurfaces();

    virtual void RepaintOffScreenSurfaces();

};



#endif