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Re: Predicting string lengths in widgets [message #55141]

Mon, 06 August 2007 05:07

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

mattf writes:

> At the moment, I'm just hacking at the problem by using a pixmap
> window and the width parameter in xyouts to get an idea of the string
> length in pixels, e.g., if the string is 'test_str' I do
>
> str_max_sz
> window, /free, /pixmap, xsize = str_max_sz, ysize = str_max_sz
> xyouts, test_str, width = w
> wdelete
> str_pix_len = ceil(w*str_max_sz)
>
> and then use a fudge factor to get good-looking column widths from
> str_pix_len. But there must be a way of doing it, you know,
> correctly... no?

No. :-)

Cheers,

David

P.S. Did you put the phase of the moon into your fudge
factor? That sometimes helps, too.

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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Re: Predicting string lengths in widgets

By: David Fanning on Mon, 06 August 2007 05:07

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