dd.h

一个完整的2D滚屏游戏示例

#ifndef _DD_H
#define _DD_H

#include <ddraw.h>

class CDD
{
public:
int m_nScreenHeight;//全屏幕的长宽;
int m_nScreenWidth;

public:
LPDIRECTDRAW        m_lpDD;         //DirectDraw object;
LPDIRECTDRAWSURFACE m_lpDDS_Primary;//DirectDraw primary surface.
LPDIRECTDRAWSURFACE m_lpDDS_Back;   //Directdraw back surface.
LPDIRECTDRAWSURFACE m_lpDDS_Source;

LPCSTR              m_szSourceBitmap;//资源位图；

public:
	CDD();
	~CDD();
	CDD(HWND hwnd,
		UINT uScreenWidth,
		UINT uScreenHeight,
		UINT uColorDepth,
		LPCSTR szSourceBitmap,
		COLORREF rgbTran,
		COLORREF rgbBK);
	
public:
bool    Initialize(HWND hwnd,                           //窗口句柄；
				   UINT uScreenWidth,UINT uScreenHeight,//屏幕尺寸；
				   UINT uColorDepth,                    //颜色深度；8、16 or 32？ 
				   LPCSTR szSourceBitmap,               //源位图资源；
				   COLORREF rgbTran,					//透明色；
				   COLORREF rgbBK);                     //背景色;     

HRESULT RestoreSurface(void);
HRESULT ReLoadSourceBitmap(LPCSTR szSourceBitmap);
void    FlipSurface(void);
void    Destroy(void); 
bool    BlitSourceToBack(int x,int y,RECT rcRect,int style);
bool    StretchBlitSourceToBack(RECT rcDest,RECT rcSrc,int style);
bool    BlitBackToPrimary(int x,int y,RECT rcRect,int style);
bool    SetBkColor(COLORREF rgb);
void    ErrorCheck(HRESULT ddrval);

};

#endif