游戏编程之十一 图像页CPICPAGE介绍

class CPICPAGE 
{ 
protected: 
      char   picStyle;//图像类型 
      BOOL   CanWrite;//是否可以写 
      int    picWidth,picHeight;//尺寸 
      DWORD  activeMode;//静态,可释放, 
      unsigned short useTimeMark;//使用时间标记,如果长时间未使用,则保存到虚拟文件中 
      char   *programeBuf;//可以用代码来控制图像的改变, 
                         //我们支持脚本语言对图像进行特殊控制 
      char  *lpImgBuf;//图像内存 
      long  imgBufLen;//内存长度 
      HDC    hDC;//标准设备句柄,指对CDirectXDrawPage和它的继承对象有效 
      BOOL   hasChg;//图像内容是否已经改变 
      BOOL   UseClip;//是否设定显示剪裁区 
      RECT   clipRc;//显示剪裁区 
public: 
      CPICPAGE(); 
      ~CPICPAGE(); 
      virtual  void Destroy(void); 
      char  GetPicStyle(void); 
      BOOL  GetSize(int *w,int *h); 
      void  GetRect(RECT *lpRc); 
      char  *GetImgBuf(void); 
      BOOL  Load(char *lpFileName,long  startOfs=0);从文件中读取内容 
      virtual   BOOL  LoadFile(FILE *lpFileHandle,long startOfs=0){return FALSE;}; 
      virtual   void  BeginDraw(){};//如果是标准的DirectXDraw表面,再进行 
                                    //Window的标准图形读写时要获得HDC,如果是连续写,不要 
                                    //马上释放,反复申请和释放HDC会大大降低速度 
      virtual   void  EndDraw(){};//终止Window的标准图形读写,释放HDC 
      virtual   HDC   GetHDC(void){return NULL;}; 
      virtual   void  Line(int bx,int by,int ex,int ey,COLORREF rgb); 
      virtual   void  drawStrgs(char *strg,short bx,short by,char drawBox,short choice); 
      virtual   void  Draw(RECT *lpRc,COLORREF *lpCr,char drawStyle,DWORD otherMess); 
      virtual   void  Fill(RECT *rc=NULL,COLORREF colorFill=0); 
      virtual   void  DrawRect(RECT *rc,COLORREF colorLeft,COLORREF colorRight, 
          COLORREF colorFill,COLORREF colorKey, DWORD drawStyle); 
      virtual   BOOL BltInView( CPICPAGE *lpDec, 
                 int srcInX, int srcInY,     //x,y是souRectBlt相对于整个des表面的位置 
                DWORD flap=0, RECT *DecView=NULL, RECT *souRectBlt=NULL,//源图片目标区 
                RECT *lpFillRect=NULL)  {return FALSE;}; 
      virtual   BOOL  FillRect(CPICPAGE *lpSou,RECT *lpSouRect=NULL,RECT lpDecRect=NULL) 
                        {return FALSE;}; 
      virtual   BOOL  Scroll(int scrollX,int scrollY,RECT *lpRect=NULL){return FALSE;}; 
      virtual   BOOL ChgSize(int chgWidth,int chgHeight,int mode=0) 
                         {return FALSE;};//0 设置尺寸,1 改变尺寸 
       virtual   BOOL HasLost(void){return FALSE;}; //已经丢失图像数据 
       virtual   BOOL Scroll(int scrollX,int scrollY,COLORREF fillColor=0, 
          RECT *lpScrollRc=NULL){return FALSE;}; 
      virtual   void TimeTrace(vodi);//时间跟踪,动画可以在此时更改自己的图像 
}; 
class CDIBPAGE:public CPICPAGE 
{ 
   HDIB hDIB; 
   LPSTR lpDIBHdr; 
   unsigned aLineByte; 
   BYTE biBitCount; 
   char  style; 
   char *LpGetIMG(void); 
public: 
      CDIBPAGE(){picStyle=BMPPIC;}; 
      BOOL Creat(int width,int height,DWORD mode=0); 
      BOOL SetBmp(char *_lpImgBuf); 
      BOOL LoadFile(FILE *lpFileHandle,long  startOfs=0); 
      BOOL StretchDIBits(HDC  hDC,LPRECT  lpDCRect,LPRECT lpDIBRect,DWORD dwRop,BOOL canChg=FALSE); 
      BOOL Blt(HDC  hDC,LPRECT  lpDCRect,LPRECT  lpDIBRect,DWORD dwRop=SRCCOPY); 
      virtual   BOOL BltInView( CPICPAGE *lpDec, 
     int   srcInX, int srcInY,//x,y是souRectBlt相对于整个des表面的位置 
     DWORD flap=0, RECT *DecView=NULL, RECT *souRectBlt=NULL,//源图片目标区 
     RECT *lpFillRect=NULL); 
}; 
class CDirectPAGE:public CPICPAGE 
{ 
      LPDIRECTDRAWSURFACE surf; 
public: 
      CDirectPAGE(){surf=NULL;picStyle=DIRECTPIC;} 
      ~CDirectPAGE(); 
      void Destroy(void); 
      BOOL  Creat(int width,int height,DWORD mode=0); 
      LPDIRECTDRAWSURFACE GetSurface(void) {EndDraw();return surf;} 
      virtual BOOL LoadFile(FILE *lpFileHandle,long  startOfs=0); 
      HDC     GetHDC(void); 
      void    BeginDraw(); 
      void    EndDraw(); 
      virtual   BOOL BltInView( CPICPAGE *lpDec, 
     int   srcInX, int srcInY,//x,y是souRectBlt相对于整个des表面的位置 
     DWORD flap=0, RECT *DecView=NULL, RECT *souRectBlt=NULL,//源图片目标区 
     RECT *lpFillRect=NULL); 
      void  Fill(RECT *rc=NULL,COLORREF colorFill=0); 
      BOOL  Scroll(int scrollX,int scrollY,COLORREF fillColor=0, RECT *lpScrollRc=NULL); 
};