Re: [sdljava-users] Aaaaaaargh...

[Ivan Z. G. <iva...@ya...>]

Rainer,

Sorry that you ran into this.  I will apply the fix.

-Ivan/

Rainer Koschnick wrote:

> Chris Dennett wrote:
>
>> 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.
>>
>
> Yes, indeed.  Never used diff, but let's see how Turtoise can handle 
> this :)
>
> RCS file: /cvsroot/sdljava/sdljava/src/sdljava/native/SDLVideo.i,v
> retrieving revision 1.28
> diff -u -r1.28 SDLVideo.i
> --- native/SDLVideo.i    18 Feb 2005 04:21:27 -0000    1.28
> +++ native/SDLVideo.i    21 Mar 2005 06:10:19 -0000
> @@ -32,14 +32,13 @@
>    // also note that we use pre-allocated SDL_Rects so no new memory 
> needs to be allocated
>    // during the blit!  This means only one thread should be doing the 
> blits!
>    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.x = sX;
> +    srcBlitRect.y = sY;
>      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.x = dX;
> +    dstBlitRect.y = dY;
>      dstBlitRect.w = (dWidth > -1 ? dWidth : 0);
>      dstBlitRect.h = (dHeight > -1 ? dHeight: 0);
>
>
> -------------------------------------------------------
> SF email is sponsored by - The IT Product Guide
> Read honest & candid reviews on hundreds of IT Products from real users.
> Discover which products truly live up to the hype. Start reading now.
> http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
> _______________________________________________
> sdljava-users mailing list
> sdl...@li...
> https://lists.sourceforge.net/lists/listinfo/sdljava-users