bitmap images in tcltk
On Tue, 6 May 2003, John Fox wrote:
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.
system.file(<file path relative to package root>, package="package")[1] should do it.
Thanks, John ----------------------------------------------------- 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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