void X11FreeBitmapPointers(Bitmap *);
void X11CopyArea(Bitmap *, Bitmap *, int, int, int, int, int, int, int);
void X11FillRectangle(Bitmap *, int, int, int, int, Pixel);
-void X11FadeRectangle(Bitmap *, int, int, int, int, int, int, int);
+void X11FadeRectangle(Bitmap *, int, int, int, int, int, int, int,
+ void (*draw_border_function)(void));
void X11DrawSimpleLine(Bitmap *, int, int, int, int, Pixel);
Pixel X11GetPixel(Bitmap *, int, int);
Pixel X11GetPixelFromRGB(unsigned int, unsigned int, unsigned int);