Having smaller, tiled images like the backgrounds often used on for example the Acorn Risc PC helps with this. That machine did a tremendous amount with a limit of 2MB of VRAM. Using smaller images actually increases the CPU load, so that was the trade-off. Memory or CPU. Pick one ;)
Ah yes, fun times. Dave On Tue, Feb 19, 2019 at 6:26 AM Bob Spelten via Ql-Users < ql-users@lists.q-v-d.com> wrote: > Op Tue, 19 Feb 2019 11:19:19 +0100 schreef Dilwyn Jones via Ql-Users > <ql-users@lists.q-v-d.com>: > > > Wallpaper Program > > > > Recent versionsof SMSQ/E from about version 3.00 feature high colour > and > > high resolution screens along with the new Window Manager. This makes > > them very suitable for displaying colourful and attractive background > > images behind your program windows. > > (...) > >The downside of using wallpaper on a high-colour system is the amount of > > memory it takes. (...) > > > Thanks Dilwyn for automating the wallpaper process. > > Just a word about memory and compressed images. > As other programs or other OSes appear to put compressed images straight > to the screen, I suspect they all need to keep a final uncompressed > version in memory to work. > The space demands may go unnoticed as other systems have more RAM to play > with. > This is also true for compressed sprites that WMAN2 processes directly. > Compressing _pic or _scr files is feasible but it's mostly WIN space that > is won. > > Bob > > > Download the Wallpaper software and a few example graphic files from > > http://www.dilwyn.me.uk/graphics/index.html > > > > -- > The BSJR QL software site at: "http://members.upc.nl/b.spelten/ql/"; > > --- > Deze e-mail is gecontroleerd op virussen door AVG. > http://www.avg.com > > _______________________________________________ > QL-Users Mailing List > -- Dave Park d...@sinclairql.com _______________________________________________ QL-Users Mailing List
