[R-SIG-Mac] problem in quartz with emacs/ESS

[Erich Neuwirth]

From Emacs, I did see the problem.
But switching printer drivers back and forth on the print dialog made the spurious image disappear.


On Nov 23, 2012, at 11:23 PM, Richard M. Heiberger <rmh at temple.edu> wrote:

> I think this is a quartz problem interacting with emacs/ESS.  When I run the
> following lines in the *R* buffer,
> 
> ## ----------
> library(grid)
> library(lattice)
> library(png)
> 
> Rlogo.png  <-
> readPNG("/Library/Frameworks/R.framework/Versions/2.15/Resources/library/png/img/Rlogo.png",
> TRUE)
> 
> Rlogo.grob <- rasterGrob(Rlogo.png, width=unit(.64,"in"), y=unit(0,"npc"))
> Rlogo.legend <- list(left=list(fun=Rlogo.grob))
> 
> ## example
> xyplot(1:10 ~ 1:10, legend=Rlogo.legend)
> ## ----------
> 
> 
> the plot shows up on the quartz device ok.  When I print from the quartz
> device, the sample image
> in the print window has two superimposed graphs.  One is the actual image.
> The other is
> an upside down mirror image about twice as big.  The printed page shows the
> doubled image.
> 
> When I print directly to the pdf() device on the Mac, it behaves normally.
> When I run the same lines above on the windows() device in Windows, it also
> behaves ok.
> When I run the same lines from the R gui on the Mac, it behaves normally.
> 
> I saw this first with R version 2.15.2 RC (2012-10-18 r60960) and
> then when I updated a few minutes ago to
> R version 2.15.2 (2012-10-26) -- "Trick or Treat", I still see it.
> 
> Sometimes, when I attempt to print from the quartz device while running
> under ESS,
> I get the pinwheel and this message in the *R* buffer.
>> Error: REAL() can only be applied to a 'numeric', not a 'NULL'
> 
> Killing R is the only recourse at this point.
> 
> Rich
> 
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> 
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