[pdftex] Spot colors (was: TeX finding filenames with spaces)
William F. Adams
wadams at atlis.com
Thu Jan 15 18:49:00 CET 2004
On Thursday, January 15, 2004, at 07:09 AM, David Carlisle wrote:
> latex calls spot colours "named colors" because "named" seemed a more
> generally understandable name than "spot" and because Americans have an
> aversion to the letter "u".
> Of course the top level user level documentation never says what any
> specific driver does with the colour specification, and the dvips for
> example just maps them to cmyk colours within its PS preamble, and some
> other drivers convert them to cmyk or rgb within the TeX .def
> layers for that driver. However there is nothing to stop the .def code
> for a driver producing code that allows colour separation, If I recall
> correctly only the textures.def file does that in the standard
Hmm, that's interesting --- will have to look into that.
> The set of names defaults to those names known to dvips, but an option
> to use pantone colour specifications was always a possible extension.
Except there's the matter of who pays the Pantone colour license.
There are free spot colour libraries though, GCMI (Glass Container and
Manufacturer's) comes to mind---I'm pretty sure I've got a colour
palette of their colours on a CD somewhere from a previous employer.
My odd-ball font installation system can set fonts up so that they
appear in spot colours though (but really wants to distill a PostScript
file using Acrobat, though a similar thing could be done w/ pdfTeX, but
it would be even less efficient there).
The post-processing thing is quite easy if one has the correct tools
--- I've been doing similar stuff for TUGboat for a while, and I think
I used a spot colour in my TUG2003 promotional calendar ``Sharing the
corners of your field''.
I've expanded the distribution list --- anyone who needs help w/
post-processing to get Pantone spot colours should contact me off-list.
William Adams, publishing specialist
voice - 717-731-6707 | Fax - 717-731-6708
More information about the pdftex