#define None 0L
-#define BlackPixel(d, s) 0x000000
-#define WhitePixel(d, s) 0xffffff
+#define BLACK_PIXEL 0x000000
+#define WHITE_PIXEL 0xffffff
#define EVENT_BUTTONPRESS SDL_MOUSEBUTTONDOWN
#define EVENT_BUTTONRELEASE SDL_MOUSEBUTTONUP
inline void SDLDrawLine(Bitmap *, int, int, int, int, Uint32);
inline Pixel SDLGetPixel(Bitmap *, int, int);
+inline void SDLInvertArea(Bitmap *, int, int, int, int, Uint32);
+
void SDLZoomBitmap(Bitmap *, Bitmap *);
Bitmap *SDLLoadImage(char *);