R help - Dec 2022 - datatable using dt not able to print background colors

Hey, all!

I've got a report that uses datatable from DT to create an rmarkdown html
that looks great as an html but when I try to print it, to a printer, or to a
pdf the colors I've assigned to cells are not displaying. I'm using
chrome and I've clicked on the Background graphics button there, but that
doesn't help print the colors. I have tried to run the datatable section of
the code using results = 'asis' and eliminating results =
'asis'. Neither seems to help with the

My css style at the top of the rmarkdown is

<style type="text/css">
.main-container {
  max-width: 1500px;
  margin-left: auto;
  margin-right: auto;
  table.display td { white-space: wrap; }

}
td{
  -webkit-print-color-adjust:exact !important;
  print-color-adjust:exact !important;
}
</style>

I added the webkit bit based on what I've found online. Maybe I have
something set up incorrectly there? Any ideas or thoughts on how to get this to
print the background colors?

Thanks
matt




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I don't think this is an R issue, it's a HTML tables issue // browser
issue.

There are some hacks using background image (not R specific).

BUT before you do any of this... Consider if colour is your answer!  8% of
males are colour blind, so your table isn't as accessible as you may think
it is. That's before you get to people who print in B&W etc

On Sat, 17 Dec 2022, 00:21 Matthew Pirritano, <MPirritano at lacare.org>
wrote:
> Hey, all!
>
> I've got a report that uses datatable from DT to create an rmarkdown
html
> that looks great as an html but when I try to print it, to a printer, or to
> a pdf the colors I've assigned to cells are not displaying. I'm
using
> chrome and I've clicked on the Background graphics button there, but
that
> doesn't help print the colors. I have tried to run the datatable
section of
> the code using results = 'asis' and eliminating results =
'asis'. Neither
> seems to help with the
>
> My css style at the top of the rmarkdown is
>
> <style type="text/css">
> .main-container {
>   max-width: 1500px;
>   margin-left: auto;
>   margin-right: auto;
>   table.display td { white-space: wrap; }
>
> }
> td{
>   -webkit-print-color-adjust:exact !important;
>   print-color-adjust:exact !important;
> }
> </style>
>
> I added the webkit bit based on what I've found online. Maybe I have
> something set up incorrectly there? Any ideas or thoughts on how to get
> this to print the background colors?
>
> Thanks
> matt
>
>
>
>
> ________________________________
>
> This communication is intended for the use of the individual or entity to
> which it is addressed and may contain information that is privileged,
> confidential or otherwise exempt from disclosure under applicable law. If
> you are not the intended recipient, you are hereby notified that any
> dissemination, distribution or copying of this communication is strictly
> prohibited. If you have received this communication in error, please notify
> the sender and delete any copies. Thank you.
>
>         [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> 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.
>
	[[alternative HTML version deleted]]

Hello Matt,

I do not think that this is the best place for troubleshooting Chrome issues. If
your html file shows the colors but print doesn't then the page probably
uses different stylesheets for display and print. You might want to inspect the
html for something like this. If you need help, the answers to this should get
you there:

https://superuser.com/questions/456700/how-do-i-print-with-the-screen-stylesheet

Regards,
Valentin

17.12.2022 01:21:25 Matthew Pirritano <MPirritano at lacare.org>:
> Hey, all!
> 
> I've got a report that uses datatable from DT to create an rmarkdown
html that looks great as an html but when I try to print it, to a printer, or to
a pdf the colors I've assigned to cells are not displaying. I'm using
chrome and I've clicked on the Background graphics button there, but that
doesn't help print the colors. I have tried to run the datatable section of
the code using results = 'asis' and eliminating results =
'asis'. Neither seems to help with the
> 
> My css style at the top of the rmarkdown is
> 
> <style type="text/css">
> .main-container {
> ? max-width: 1500px;
> ? margin-left: auto;
> ? margin-right: auto;
> ? table.display td { white-space: wrap; }
> 
> }
> td{
> ? -webkit-print-color-adjust:exact !important;
> ? print-color-adjust:exact !important;
> }
> </style>
> 
> I added the webkit bit based on what I've found online. Maybe I have
something set up incorrectly there? Any ideas or thoughts on how to get this to
print the background colors?
> 
> Thanks
> matt
> 
> 
> 
> 
> ________________________________
> 
> This communication is intended for the use of the individual or entity to
which it is addressed and may contain information that is privileged,
confidential or otherwise exempt from disclosure under applicable law. If you
are not the intended recipient, you are hereby notified that any dissemination,
distribution or copying of this communication is strictly prohibited. If you
have received this communication in error, please notify the sender and delete
any copies. Thank you.
> 
> ? [[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> 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.