1 // ----------------------------------------------------------------------------
3 // ----------------------------------------------------------------------------
5 #ifndef DDSCROLLBUFFER_H
6 #define DDSCROLLBUFFER_H
15 extern long mScrollX, mScrollY;
17 extern boolean redraw[MAX_BUF_XSIZE][MAX_BUF_YSIZE];
22 extern void InitScrollPlayfield();
23 extern void UpdatePlayfield();
25 extern void DDScrollBuffer_Blt_Ext(Bitmap *);
26 extern void DDScrollBuffer_Blt();
27 extern void DDScrollBuffer_Cls(int BackColor);
28 extern long DDScrollBuffer_CreateAtSize(long Width, long Height, long hWndViewPort);
29 extern long DDScrollBuffer_Get_DestXOff();
30 extern long DDScrollBuffer_Get_DestYOff();
31 extern int DDScrollBuffer_Get_Height();
32 extern DirectDrawSurface7 DDScrollBuffer_Get_Surface();
33 extern long DDScrollBuffer_Get_Width();
34 extern void DDScrollBuffer_Let_DestXOff(long NewVal);
35 extern void DDScrollBuffer_Let_DestYOff(long NewVal);
36 extern void DDScrollBuffer_ScrollTo(int X, int Y);
37 extern void DDScrollBuffer_ScrollTowards(int X, int Y, double Step);
38 extern void DDScrollBuffer_SoftScrollTo(int X, int Y, long TimeMS, int FPS);
40 #endif /* DDSCROLLBUFFER_H */