Bitmap *CreateBitmap(int, int, int);
void FreeBitmap(Bitmap *);
void BlitBitmap(Bitmap *, Bitmap *, int, int, int, int, int, int);
-void FadeScreen(Bitmap *bitmap, int, int, int);
+void FadeRectangle(Bitmap *bitmap, int, int, int, int, int, int, int);
void FillRectangle(Bitmap *, int, int, int, int, Pixel);
void ClearRectangle(Bitmap *, int, int, int, int);
void ClearRectangleOnBackground(Bitmap *, int, int, int, int);