+ SDL_Rect destRect;
+ destRect.x = inOffset.X();
+ destRect.y = inOffset.Y();
+ destRect.w = Width() * tileset->Width();
+ destRect.h = 1;
+ SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, 0x00, 0x00, 0xFF));
+ destRect.y += Height() * tileset->Height() - 1;
+ SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, 0x00, 0x00, 0xFF));
+ destRect.y = inOffset.Y();
+ destRect.w = 1;
+ destRect.h = Height() * tileset->Height();
+ SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, 0x00, 0x00, 0xFF));
+ destRect.x += Width() * tileset->Width() - 1;
+ SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, 0x00, 0x00, 0xFF));
+