Article View: comp.sys.amiga.tech
Article #1563Re: Simple IFF question
From: Leo 'Bols Ewhac' Schwab
Date: Sun, 08 Oct 1989 04:58
Date: Sun, 08 Oct 1989 04:58
20 lines
1470 bytes
1470 bytes
In article <1745@sauron.Columbia.NCR.COM> randy@sauron.Columbia.NCR.COM (Randy Smith) writes:
>"Amiga ILBMs images must be a even number of bytes wide. Smaller images
>(such as brushes) are padded to an even byte width."
>
>My question is are the height and width values in the BMHD adjusted to
>take into account the padding or do they reflect the true size of the
>bitmap without the padding. [ ... ]
BMHD.w reflects the true width of the bitmap; you are supposed to
"know" about the padding, and mask off extra bits to zero. BMHD.h is
always an exact value.
Amiga BitMaps are required to be word-aligned, too, so this works
out nicely.
_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
Leo L. Schwab -- The Guy in The Cape INET: well!ewhac@ucbvax.Berkeley.EDU
\_ -_ Recumbent Bikes: UUCP: pacbell > !{well,unicom}!ewhac
O----^o The Only Way To Fly. hplabs / (pronounced "AE-wack")
"I've been busy..."
Technical Details
Message-ID:
<13997@well.UUCP>Path:
arc1-ca.pugleaf.net!utzoo!attcan!uunet!cs.utexas.edu!sun-barr!apple!well!ewhacReferences:
<1745@sauron.Columbia.NCR.COM>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cs.utexas.edu!sun-barr!apple!well!ewhac From: ewhac@well.UUCP (Leo 'Bols Ewhac' Schwab) Newsgroups: comp.sys.amiga.tech Subject: Re: Simple IFF question Message-ID: <13997@well.UUCP> Date: 8 Oct 89 04:58:26 GMT References: <1745@sauron.Columbia.NCR.COM> Reply-To: ewhac@well.UUCP (Leo 'Bols Ewhac' Schwab) Distribution: na Organization: Electronic Philistines. Lines: 20 Quote: "This is stupid." -- Vila "When did that ever stop us?" -- Avon