gnu: Add mypaint.

* gnu/packages/image.scm (mypaint): New variable.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu/packages/image.scm

@@ -59,8 +59,10 @@
   #:use-module (gnu packages freedesktop)
   #:use-module (gnu packages gettext)
   #:use-module (gnu packages ghostscript)
+  #:use-module (gnu packages gimp)
   #:use-module (gnu packages gl)
   #:use-module (gnu packages glib)
+  #:use-module (gnu packages gnome)
   #:use-module (gnu packages graphics)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages lua)
@@ -76,6 +78,7 @@
   #:use-module (gnu packages python-xyz)
   #:use-module (gnu packages qt)
   #:use-module (gnu packages sphinx)
+  #:use-module (gnu packages swig)
   #:use-module (gnu packages textutils)
   #:use-module (gnu packages video)
   #:use-module (gnu packages web)
@@ -2163,6 +2166,66 @@ painting and palette manipulation tools.  It also handles JPEG, JPEG2000,
 GIF, TIFF, WEBP, BMP, PNG, XPM formats.")
     (license license:gpl3+)))
 
+(define-public mypaint
+  (package
+    (name "mypaint")
+    (version "2.0.1")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/mypaint/mypaint/"
+                                  "releases/download/v" version "/mypaint-"
+                                  version ".tar.xz"))
+              (sha256
+               (base32
+                "05mvay73vb9d2sh1ckv4vny45n059dmsps1jcppjizfmrpbkgr7k"))))
+    (build-system python-build-system)
+    (arguments
+     `(#:imported-modules ((guix build glib-or-gtk-build-system)
+                           ,@%python-build-system-modules)
+       #:modules ((guix build python-build-system)
+                  ((guix build glib-or-gtk-build-system) #:prefix glib-or-gtk:)
+                  (guix build utils))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'install 'glib-or-gtk-wrap
+           (assoc-ref glib-or-gtk:%standard-phases 'glib-or-gtk-wrap))
+         (add-after 'install 'wrap-program
+           (lambda* (#:key outputs inputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (gdk-pixbuf (assoc-ref inputs "gdk-pixbuf"))
+                    (gtk+ (assoc-ref inputs "gtk+")))
+               (wrap-program (string-append out "/bin/mypaint")
+                 `("GI_TYPELIB_PATH" ":" prefix
+                   (,(getenv "GI_TYPELIB_PATH"))))
+               #t)))
+         (add-before 'check 'pre-check
+           (lambda _
+             ;; Tests need writing access
+             (setenv "HOME" "/tmp")
+             #t)))))
+    (native-inputs
+     `(("pkg-config" ,pkg-config)
+       ("gobject-introspection" ,gobject-introspection)
+       ("swig" ,swig)
+       ("gettext" ,gettext-minimal)))
+    (inputs
+     `(("gtk+" ,gtk+)
+       ("gdk-pixbuf" ,gdk-pixbuf+svg)
+       ("hicolor-icon-theme" ,hicolor-icon-theme)
+       ("libmypaint" ,libmypaint)
+       ("mypaint-brushes" ,mypaint-brushes)
+       ("json-c" ,json-c)
+       ("lcms" ,lcms)
+       ("python-numpy" ,python-numpy)
+       ("python-pycairo" ,python-pycairo)
+       ("python-pygobject" ,python-pygobject)))
+    (home-page "http://mypaint.org/")
+    (synopsis "Fast and simple painting app for artists")
+    (description
+     "MyPaint is a simple drawing and painting program that works well with
+Wacom-style graphics tablets.")
+    (license license:gpl2+)))
+
 (define-public phockup
   (package
     (name "phockup")