From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <1428058bf96476648b6d09fe307f861f@coraid.com> From: erik quanstrom Date: Thu, 26 Oct 2006 13:34:39 -0400 To: 9fans@cse.psu.edu Subject: Re: [9fans] Proposed: Image Conversion Server In-Reply-To: <4540E484.3060100@proweb.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: d6f8d062-ead1-11e9-9d60-3106f5b1d025 the images are seperated by channel. man image(6) and draw(3). a 24-bit image is 1 byte each r, g, b premultiplied by the alpha channel which is in the fourth byte. - erik On Thu Oct 26 12:44:26 EDT 2006, mattmobile@proweb.co.uk wrote: > Once you've converted the jpegs to plan9 bitmaps, what's the point of > having them hanging around in memory ? > > > For image editing etc. the plan9 bitmap is not the best structure (imho) > You'll need the images separated into colour channels, RGBA for > instance, if you want to do anything interesting with them. > > I started such a beast that mounted images as RGB/HSB with alpha and got > it to do a few tricks, it has a couple of bugs so I never released it. > > I think I talked about it on the list but it might have been in IRC > > Matt