GNU bug report logs - #26141
[PATCH] gnu: Add r-cairo.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Ricardo Wurmus <ricardo.wurmus <at> mdc-berlin.de>
To: <guix-patches <at> gnu.org>
Cc: Ricardo Wurmus <ricardo.wurmus <at> mdc-berlin.de>
Subject: [PATCH] gnu: Add r-cairo.
Date: Fri, 17 Mar 2017 15:23:16 +0100

* gnu/packages/statistics.scm (r-cairo): New variable.
---
 gnu/packages/statistics.scm | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
index d8e50b998..c8d9e78ea 100644
--- a/gnu/packages/statistics.scm
+++ b/gnu/packages/statistics.scm
@@ -5150,3 +5150,38 @@ genome-wide association studies can be analyzed efficiently.")
     (description
      "This package provides a pure R implementation of the t-SNE algorithm.")
     (license license:gpl2+)))
+
+(define-public r-cairo
+  (package
+    (name "r-cairo")
+    (version "1.5-9")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (cran-uri "Cairo" version))
+       (sha256
+        (base32
+         "1x1q99r3r978rlkkm5gixkv03p0mcr6k7ydcqdmisrwnmrn7p1ia"))))
+    (properties `((upstream-name . "Cairo")))
+    (build-system r-build-system)
+    (inputs
+     `(("cairo" ,cairo)
+       ("libxt" ,libxt)))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)))
+    (home-page "http://www.rforge.net/Cairo/")
+    (synopsis "R graphics device using cairo graphics library")
+    (description
+     "This package provides a Cairo graphics device that can be use to
+create high-quality vector (PDF, PostScript and SVG) and bitmap
+output (PNG,JPEG,TIFF), and high-quality rendering in displays (X11
+and Win32).  Since it uses the same back-end for all output, copying
+across formats is WYSIWYG.  Files are created without the dependence
+on X11 or other external programs.  This device supports alpha
+channel (semi-transparent drawing) and resulting images can contain
+transparent and semi-transparent regions.  It is ideal for use in
+server environments (file output) and as a replacement for other
+devices that don't have Cairo's capabilities such as alpha support or
+anti-aliasing.  Backends are modular such that any subset of backends
+is supported.")
+    (license license:gpl2)))
-- 
2.11.1

Message #8 received at 26141 <at> debbugs.gnu.org (full text, mbox):

From: John Darrington <john <at> darrington.wattle.id.au>
To: Ricardo Wurmus <ricardo.wurmus <at> mdc-berlin.de>
Cc: 26141 <at> debbugs.gnu.org
Subject: Re: bug#26141: [PATCH] gnu: Add r-cairo.
Date: Fri, 17 Mar 2017 15:34:54 +0100

[Message part 1 (text/plain, inline)]

On Fri, Mar 17, 2017 at 03:23:16PM +0100, Ricardo Wurmus wrote:
     * gnu/packages/statistics.scm (r-cairo): New variable.
     ---
      gnu/packages/statistics.scm | 35 +++++++++++++++++++++++++++++++++++
      1 file changed, 35 insertions(+)
     
     diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
     index d8e50b998..c8d9e78ea 100644
     --- a/gnu/packages/statistics.scm
     +++ b/gnu/packages/statistics.scm
     @@ -5150,3 +5150,38 @@ genome-wide association studies can be analyzed efficiently.")
          (description
           "This package provides a pure R implementation of the t-SNE algorithm.")
          (license license:gpl2+)))
     +
     +(define-public r-cairo
     +  (package
     +    (name "r-cairo")
     +    (version "1.5-9")
     +    (source
     +     (origin
     +       (method url-fetch)
     +       (uri (cran-uri "Cairo" version))
     +       (sha256
     +        (base32
     +         "1x1q99r3r978rlkkm5gixkv03p0mcr6k7ydcqdmisrwnmrn7p1ia"))))
     +    (properties `((upstream-name . "Cairo")))
What does this mean? "properties" doesn't seem to be mentioned in the manual.

     +    (build-system r-build-system)
     +    (inputs
     +     `(("cairo" ,cairo)
     +       ("libxt" ,libxt)))

Many packages which need libxt as an input, need special measures to
make sure that libxt finds their resource files.  Did you check to
see if that is the case with this package?

     
J'
     

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Message #11 received at 26141 <at> debbugs.gnu.org (full text, mbox):

From: Ricardo Wurmus <ricardo.wurmus <at> mdc-berlin.de>
To: John Darrington <john <at> darrington.wattle.id.au>
Cc: 26141 <at> debbugs.gnu.org
Subject: Re: bug#26141: [PATCH] gnu: Add r-cairo.
Date: Fri, 17 Mar 2017 16:19:53 +0100

John Darrington <john <at> darrington.wattle.id.au> writes:

> On Fri, Mar 17, 2017 at 03:23:16PM +0100, Ricardo Wurmus wrote:
>      * gnu/packages/statistics.scm (r-cairo): New variable.
>      ---
>       gnu/packages/statistics.scm | 35 +++++++++++++++++++++++++++++++++++
>       1 file changed, 35 insertions(+)
>
>      diff --git a/gnu/packages/statistics.scm b/gnu/packages/statistics.scm
>      index d8e50b998..c8d9e78ea 100644
>      --- a/gnu/packages/statistics.scm
>      +++ b/gnu/packages/statistics.scm
>      @@ -5150,3 +5150,38 @@ genome-wide association studies can be analyzed efficiently.")
>           (description
>            "This package provides a pure R implementation of the t-SNE algorithm.")
>           (license license:gpl2+)))
>      +
>      +(define-public r-cairo
>      +  (package
>      +    (name "r-cairo")
>      +    (version "1.5-9")
>      +    (source
>      +     (origin
>      +       (method url-fetch)
>      +       (uri (cran-uri "Cairo" version))
>      +       (sha256
>      +        (base32
>      +         "1x1q99r3r978rlkkm5gixkv03p0mcr6k7ydcqdmisrwnmrn7p1ia"))))

>      +    (properties `((upstream-name . "Cairo")))
> What does this mean? "properties" doesn't seem to be mentioned in the manual.

“properties” is for custom … properties that don’t deserve their own
field in the “package” object.  The “upstream-name” property is used by
the updaters to be able to construct the upstream URL to check for newer
versions.

>
>      +    (build-system r-build-system)
>      +    (inputs
>      +     `(("cairo" ,cairo)
>      +       ("libxt" ,libxt)))
>
> Many packages which need libxt as an input, need special measures to
> make sure that libxt finds their resource files.  Did you check to
> see if that is the case with this package?

This does not seem to be the case here.  I’ve run the examples in the
manual for this package and successfully rendered a plot to PDF.  The
output of “Cairo.capabilities()” also indicates that the X11 backend
works.

Thanks for taking the time to comment on this!

--
Ricardo

Message #16 received at 26141-done <at> debbugs.gnu.org (full text, mbox):

From: Ricardo Wurmus <ricardo.wurmus <at> mdc-berlin.de>
To: <26141-done <at> debbugs.gnu.org>
Subject: Re: bug#26141: [PATCH] gnu: Add r-cairo.
Date: Thu, 30 Mar 2017 15:09:09 +0200

This was merged to master with commit e2c4fe7c62f05ac14f663bdd9de650c5e7f66231.

-- 
Ricardo

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