Here's a warning, but it sounds like it's at a deep (C, presumably) level, xfig() grid::grid.rect(gp=gpar(fill="red", alpha=0.5)) Warning message: In grid.Call.graphics("L_rect", x$x, x$y, x$width, x$height, resolveHJust(x$just, : semi-transparency is not supported on this device: reported only once per page
HTH, baptiste On 16 August 2011 15:25, Jesse Brown <jesse.r.br...@gmail.com> wrote: > In ?par there is the following line: > > "Semi-transparent colors are available for use on devices that support them." > > I'm looking for a way to query for that support on the current device. > I'm pretty sure that this functionality exists at some level as I > remember seeing warnings to this effect but my searches have come up > empty. Is anyone familiar with a direct path to this information? > > Thank you, > > Jesse > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.