--- /dev/null
+/***********************************************************
+* Rocks'n'Diamonds -- McDuffin Strikes Back! *
+*----------------------------------------------------------*
+* ©1995 Artsoft Development *
+* Holger Schemel *
+* 33659 Bielefeld-Senne *
+* Telefon: (0521) 493245 *
+* eMail: aeglos@valinor.owl.de *
+* aeglos@uni-paderborn.de *
+* q99492@pbhrzx.uni-paderborn.de *
+*----------------------------------------------------------*
+* sdl.c *
+***********************************************************/
+
+#ifdef USE_SDL_LIBRARY
+
+#include "main.h"
+
+inline void SDLCopyArea(SDL_Surface *src_surface, SDL_Surface *dst_surface,
+ int src_x, int src_y,
+ int width, int height,
+ int dst_x, int dst_y)
+{
+ SDL_Rect src_rect, dst_rect;
+
+ src_rect.x = src_x;
+ src_rect.y = src_y;
+ src_rect.w = width;
+ src_rect.h = height;
+
+ dst_rect.x = dst_x;
+ dst_rect.y = dst_y;
+ dst_rect.w = width;
+ dst_rect.h = height;
+
+ SDL_BlitSurface(src_surface, &src_rect, dst_surface, &dst_rect);
+ SDL_UpdateRect(dst_surface, dst_x, dst_y, width, height);
+}
+
+inline void SDLFillRectangle(SDL_Surface *surface, int x, int y,
+ int width, int height, unsigned int color)
+{
+ SDL_Rect rect;
+ unsigned int color_r = (color >> 2) && 0xff;
+ unsigned int color_g = (color >> 1) && 0xff;
+ unsigned int color_b = (color >> 0) && 0xff;
+
+ rect.x = x;
+ rect.y = y;
+ rect.w = width;
+ rect.h = height;
+
+ SDL_FillRect(surface, &rect,
+ SDL_MapRGB(surface->format, color_r, color_g, color_b));
+}
+
+#endif /* USE_SDL_LIBRARY */