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Correcting a 1 pixel offset in some rotations in rails.

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This commit is contained in:
Pere Pujal i Carabantes 2009-02-02 23:15:02 +00:00
parent f91bf11494
commit 07767de0b8
1 changed files with 3 additions and 3 deletions
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6
magic/src/rails.c
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@ -203,7 +203,7 @@ static void rails_flip(void * ptr, SDL_Surface * dest, SDL_Surface * src)
for (x=0; x<dest->w; x++)
for (y=0; y<dest->h; y++)
api->putpixel(dest, x, y, api->getpixel(src, x, src->h-y));
api->putpixel(dest, x, y, api->getpixel(src, x, src->h-y-1));
}
static void rails_flip_flop(void * ptr, SDL_Surface * dest, SDL_Surface * src)
{
@ -224,13 +224,13 @@ static void rails_rotate (void * ptr, SDL_Surface * dest, SDL_Surface * src, _Bo
{
for (x = 0; x<dest->w; x++)
for (y =0; y<dest->h; y++)
api->putpixel(dest, x, y, api->getpixel(src, y, src->w-x));
api->putpixel(dest, x, y, api->getpixel(src, y, src->w-x-1));
}
else //rotate +90 degs
{
for (x=0; x<dest->w; x++)
for (y=0; y<dest->h; y++)
api->putpixel(dest,x,y,api->getpixel(src,src->h-y,x));
api->putpixel(dest,x,y,api->getpixel(src,src->h-y-1,x));
}
}