Re: [sdljava-users] Aaaaaaargh...

[Chris D. <Des...@nt...>]

Rainer Koschnick wrote:

> I've been checking my code over and over again for a bug (or rather
> undocumented feature?) which is actually in the native binding :/
> This costed me hours and hours.
>
> Why isn't this documented?  SDLBlitSurface doesn't behave as it should
> due to those changes below.
>
>   int SWIG_SDL_BlitSurface_FAST(SDL_Surface * src, int sX, int sY, int
> sWidth, int sHeight, SDL_Surface *dst, int dX, int dY, int dWidth, int
> dHeight) {
>     srcBlitRect.x = (sX > -1 ? sX : 0);
>     srcBlitRect.y = (sY > -1 ? sY : 0);
>     srcBlitRect.w = (sWidth > -1 ? sWidth : 0);
>     srcBlitRect.h = (sHeight > -1 ? sHeight : 0);
>
>     dstBlitRect.x = (dX > -1 ? dX : 0);
>     dstBlitRect.y = (dY > -1 ? dY : 0);
>     dstBlitRect.w = (dWidth > -1 ? dWidth : 0);
>     dstBlitRect.h = (dHeight > -1 ? dHeight: 0);
>
>     return SDL_BlitSurface(src, &srcBlitRect, dst, &dstBlitRect);
>   }
>
> Positions _CAN_ be negative.  Otherwise how are you supposed to move a
> sprite or image outside of the screen if it is nailed to position 0?
>
>     srcBlitRect.x = sX;
>     srcBlitRect.y = sY;
>     srcBlitRect.w = (sWidth > -1 ? sWidth : 0);
>     srcBlitRect.h = (sHeight > -1 ? sHeight : 0);
>
>     dstBlitRect.x = dX;
>     dstBlitRect.y = dY;
>     dstBlitRect.w = (dWidth > -1 ? dWidth : 0);
>     dstBlitRect.h = (dHeight > -1 ? dHeight: 0);
>
> Rainer

Erk, that might be a bit of a problem. See if you can make a patch based 
on the CVS source, and then submit it to this mailing list.

-- 
                                                |>>>
 Dessimat0r                              /`\    |
 "We cannot turn back time, but we can      _  _|_  _
 move it forwards with our own hands."     |;|_|;|_|;|
                                           \\.    .  /
 [www:    http://codeknight.net   ]         \\:  .  /
 [e-mail: des...@nt... ]          ||: U |        /`\
 [icq:    21477909                ]          ||:.  |
 [msn:    des...@nt... ]     \,/  ||: U.|
                                             ||:   |    \,/
                                             ||: , |
     ____--`~--- '--~~__            __ ----~ -  ~`---,
-~--~                   ~---__ ,--~'                  ~~----___