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gnu: Add r-farver.

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* gnu/packages/cran.scm (r-farver): New variable.
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Ricardo Wurmus 2019-03-27 15:44:00 +01:00
parent 585d5ae0fb
commit 1c59ec707e
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1 changed files with 25 additions and 0 deletions
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gnu/packages/cran.scm
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@ -13120,3 +13120,28 @@ (define-public r-gridgraphics
consists of @code{grid} grobs and viewports that can then be manipulated with
@code{grid} functions (e.g., edit grobs and revisit viewports).")
(license license:gpl2+)))
(define-public r-farver
(package
(name "r-farver")
(version "1.1.0")
(source
(origin
(method url-fetch)
(uri (cran-uri "farver" version))
(sha256
(base32
"1dllgx121al374gyp9pjv1m8ip4imm8zhbgyh1970dsz2c4z71i0"))))
(build-system r-build-system)
(propagated-inputs `(("r-rcpp" ,r-rcpp)))
(home-page "https://github.com/thomasp85/farver")
(synopsis "Vectorized color conversion and comparison")
(description
"The encoding of color can be handled in many different ways, using
different color spaces. As different color spaces have different uses,
efficient conversion between these representations are important. This
package provides a set of functions that gives access to very fast color space
conversion and comparisons implemented in C++, and offers 100-fold speed
improvements over the @code{convertColor} function in the @code{grDevices}
package.")
(license license:expat)))