Re: [AD] clipping, sub bitmaps

[Milan Mimica <milan.mimica@xxxxxxxxxx>]

Elias Pschernig wrote:
> We do not really have sub-sub-bitmaps right now. If you create a
> sub-bitmap, this is what happens:
>
>
>    if (parent->parent) {
>       x += parent->xofs;
>       y += parent->yofs;
>       parent = parent->parent;
>    }
>
> So basically, the parent of a sub bitmap always is a real bitmap.
>
> If we want to change this, we will need a function
> "_al_find_bitmap_parent(bitmap)" which traverses all the parents to find
> the real one (to be used wherever "bitmap->parent" is used right now).

Or just replace that "if" with a "while".



--
Milan Mimica
http://sparklet.sf.net