Re: Another NEIL Query

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> >> 1. How do I load a bitmap then extract individual
> >> bitmaps from it? (For
> >
> >look up information on sub-screens
>
> I wouldn't have thought sub-screens was relevant,
> but I guess that makes
> sense, if by "sub-screen" you can mean a portion of
> a virtual screen/bitmap
> stored in memory. Thanks for the clue.

NEIL has an actual object called a sub-screen.  look
it up in the docs.

> >> 2. There's no rotate_bitmap() function, it seems.
> >> How do I ROTATE a
> >> graphic?! Even if I could just get the 2-d
> sequence
> >> using the handle, then
> >> I could rotate that and replace it...
> >
> >couldn't tell you, sorry
> >you could always hack it out of another library
> that
> >has it, I'm sure there's one.
>
> Yeah, I figure bitmap.e has a bm_rotate() function,
> but the problem is you
> have to feed it a 2-d sequence, and I don't know how
> to retrieve the 2-d
> graphic sequence stored by neil.

i think that you have 2 options:
1) figure out how the info is stored in the screen
structure and do it with ASM
OR
2) this is rather slow...
use get_pixel() (NEIL's) and read from the screen it
is stored in and then do what you want with the new
image

> The "rle_handle" is an atom, as far as I can tell...
> right?

yes...it is a memory address

> I guess since his "blur.ex" runs on my home PC fine,
> then I should be able
> to use rle_sprites... I'll investigate further.

that's probably a good sign

> Thanks!!
> ck

welcome.

Mike Hurley

=====
It compiled.  The first screen came up.  Ship it.
     --Bill Gates

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