[bug#33770] [PATCH] gnu: Add nip2.

[L p R n d n <guix@lprndn.info>]

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From e90b425484ed84b87333a168447a7128a53a8434 Mon Sep 17 00:00:00 2001
From: Lprndn <guix@lprndn.info>
Date: Wed, 5 Dec 2018 19:03:13 +0100
Subject: [PATCH] gnu: Add nip2.

* gnu/packages/image-processing.scm (nip2): New variable.
---
 gnu/packages/image-processing.scm | 46 +++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/gnu/packages/image-processing.scm b/gnu/packages/image-processing.scm
index df0099c7d..226564885 100644
--- a/gnu/packages/image-processing.scm
+++ b/gnu/packages/image-processing.scm
@@ -31,9 +31,11 @@
   #:use-module (guix build-system gnu)
   #:use-module (gnu packages)
   #:use-module (gnu packages algebra)
+  #:use-module (gnu packages bison)
   #:use-module (gnu packages boost)
   #:use-module (gnu packages compression)
   #:use-module (gnu packages documentation)
+  #:use-module (gnu packages flex)
   #:use-module (gnu packages fontutils)
   #:use-module (gnu packages ghostscript)
   #:use-module (gnu packages gl)
@@ -443,3 +445,47 @@ vision algorithms.  It can be used to do things like:
     (synopsis "A free image processing system")
     (description "vips is a demand-driven, horizontally threaded image processing library")
     (license license:lgpl2.1+)))
+
+(define-public nip2
+  (package
+    (name "nip2")
+    (version "8.7.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://github.com/libvips/nip2/releases/download/v"
+             version "/nip2-" version ".tar.gz"))
+       (sha256
+        (base32 "08dxfds4n1vxdilxcw01741a2r6fxyhawi656b7f0hy6znnkbsbc"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f))                    ;; tests need $HOME/.nip2-8.7.0
+    (inputs
+     `(("vips" ,vips)
+       ("glib" ,glib)
+       ("libtiff" ,libtiff)
+       ("gtk+-2" ,gtk+-2)
+       ("libxml2" ,libxml2)
+       ("libexif" ,libexif)
+       ("librsvg" ,librsvg)
+       ("fftw" ,fftw)
+       ("libgsf" ,libgsf)
+       ("imagemagick" ,imagemagick)
+       ("orc" ,orc)
+       ("matio" ,matio)
+       ("lcms" ,lcms)
+       ("libwebp" ,libwebp)
+       ("openexr" ,openexr)
+       ("poppler" ,poppler)
+       ("gsl" ,gsl)))
+    (native-inputs
+     `(("flex" ,flex)
+       ("bison" ,bison)
+       ("pkg-config" ,pkg-config)))
+    (home-page "https://github.com/libvips/nip2")
+    (synopsis "A spreadsheet-like GUI for libvips")
+    (description "nip2 is a GUI for the VIPS image processing library.
+It's a little like a spreadsheet: you create a set of formula connecting your
+objects together, and on a change nip2 recalculates")
+    (license license:gpl2)))
-- 
2.19.2