[R] bitmap images in tcltk

John Fox jfox at mcmaster.ca
Tue May 6 20:24:10 CEST 2003

Dear R-help list members,

I'm writing a package using tcltk. Thanks to Peter Dalgaard's excellent 
work on the tcltk package, almost everything has gone very smoothly. I'm 
stymied, however, by the following problem:

I want to incorporate a bitmap image, stored as an xbm file, in a widget. 
To take a simple example,

     top <- tktoplevel()
     tkgrid(tklabel(top, bitmap="@file.xbm", fg="red"))

will work as long as file.xbm is in the current directory; alternatively, I 
could specify the path to this file. The problem is that I can't figure out 
a reliable way of predicting (or discovering) where the bitmap file will 
reside when my package is installed.

Any suggestions would be appreciated.

John Fox
Department of Sociology
McMaster University
Hamilton, Ontario, Canada L8S 4M4
email: jfox at mcmaster.ca
phone: 905-525-9140x23604
web: www.socsci.mcmaster.ca/jfox

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