Hi
On 08/18/14 07:58, Thomas Levine wrote:
I want to make my own graphics device am thus looking for
documentation about graphics devices.
The only thing I've found so far is these directions for
making graphics devices with the RGraphicsDevice package.
http://www.omegahat.org/RGraphicsDevice/
That is certainly a good way to get something going quickly at least
(I used it just the other day and had something up and running in under
an hour, based on the inst/examples/SVG/svgDev.R example)
Could someone point me to any other resources? Or just
some documentation about how to edit base R? If I don't
get anything, I'm just going to stare at the grDevices
section of the R source code (src/library/grDevices/src)
until I figure out how it works.
The "canonical" approach is to look at the source code for one of the
built-in devices in the R source code and change it to do what you want
(e.g., src/modules/X11/devX11.c). The file
src/include/R_ext/GraphicsDevice.h has comments describing how the
graphics device should be set up. See the RSvgDevice package for an
example of a device implemented in a package.
Paul
In case you're curious, I want to make a graphics device
that saves the graph in Hewlett-Packard Graphics Language.
https://en.wikipedia.org/wiki/HPGL
Thanks
Tom
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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
