Re: iamge file_ again

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Angus Dorbie (dorbie++at++multipass.engr.sgi.com)
Tue, 20 Jan 1998 14:31:21 -0800

On Jan 20, 1:04pm, Tom Impelluso wrote:
> Subject: iamge file_ again
>
> Hello,
>
> I asked how to save an image displayed in a performer window.
>
> Some people suggested:
> scrsave, and snapshot.
>
> However, I wonder about this.
> Don't those two commands degrade the image?
> I mean, they capture what is seen, so if I am
> viewing on an Indy, I lose clarity.

No, the problem is an Indy will probably have < 24 bit framebuffer.
For best quality choose a single buffered visual on these low end
systems.

>
> I am trying to find a way to capture the data as
> it is meant to be displayed to the full capacity
> of tthe machine, and then dump it to a high res.
> postscript printer.
>
> I ahve tried xwd commands, but that alters the
> colormap.
>
> Could someone advise me about this?

As suggested snapshot and scrsave should work but there's also
the performer utility pfuSaveImage which you can call from code
which will do the trick.

The Paul Heaberli utility "tops" will convert this to post
script for reasonable b&w printing.

Cheers,Angus.

-- 
"The ultimate measure of a man is not where he stands
in moments of comfort and convenience, but where he
stands at times of challenge and controversy."
                             -Martin Luther King, Jr.
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