matthew@cs.ed.ac.uk (Matthew White) (06/08/91)
I may be missing something blindingly obvious here but .... Is there an easy way of putting an image onto the background when running NeWS on the SGI ? Some possibilities are : 1) Use X and xloadimage / xv / whatever Until 4.0 is available I don't really think of this as an option :-( 2) Write a wee GL program to use imakebackground and draw the image But this won't make use of knowledge about which bits of the screen need to be redrawn (unless I am missing something else). 3) Write a Postscript program to draw the image (like the stuff in /usr/NeWS/lib/roots.ps) Belch, please please let there be an easier way! Anybody know of a nice little program which will have the functionality of xloadimage -onroot but which will work within NeWS ? Matthew White Edinburgh Parallel Computing Centre e_mail: matthew@epcc.edinburgh.ac.uk
dellwo@montreal.scs.uiuc.EDU ("Martin J. Dellwo") (06/08/91)
Matthew White writes: > Is there an easy way of putting an image onto the background when > running NeWS on the SGI ? >... > 3) Write a Postscript program to draw the image (like the stuff in > /usr/NeWS/lib/roots.ps) > Belch, please please let there be an easier way! >... I just tried this and it works for the given image file (but I know nothing about image file formats and what you might do for other type...). I'm running 3.3.2 Place the following in user.ps in your home directory: /PaintRoot { gsave framebuffer setcanvas clippath pathbbox scale pop pop (saturn.im8) readcanvas imagecanvas grestore } dup /PlainPaintRoot exch store store PaintRoot The image file 'saturn.im8' is from the demos in /usr/NeWS/smi, I copied it to my home directory but you can invoke it by giving any full pathname in the parentheses. The default procedure is just this: /PaintRoot { .5 .62 .75 setrgbcolor clipcanvaspath fill } dup /PlainPaintRoot exch store store PaintRoot To cause either of these to take effect while within NeWS just put the code in a separate file, eg. root.file, then give the command: cat root.file | psh And look! no belching... Martin Dellwo dellwo@ottawa.scs.uiuc.edu