From f80bd6d46185b544271154a83ca42056f4e4f7ad Mon Sep 17 00:00:00 2001
From: "Paul A. Patience" <paul@apatience.com>
Date: Mon, 6 Jun 2022 06:33:27 -0400
Subject: [PATCH v3 2/2] gnu: Add f3d.

* gnu/packages/graphics.scm (f3d): New variable.
---
 gnu/packages/graphics.scm | 110 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)

diff --git a/gnu/packages/graphics.scm b/gnu/packages/graphics.scm
index c193be1efb..0ccb79e665 100644
--- a/gnu/packages/graphics.scm
+++ b/gnu/packages/graphics.scm
@@ -31,6 +31,7 @@
 ;;; Copyright © 2022 John Kehayias <john.kehayias@protonmail.com>
 ;;; Copyright © 2022 Zheng Junjie <873216071@qq.com>
 ;;; Copyright © 2022 Tobias Kortkamp <tobias.kortkamp@gmail.com>
+;;; Copyright © 2022 Paul A. Patience <paul@apatience.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -2120,3 +2121,112 @@ (define-public azpainter
 @end itemize
 ")
     (license license:gpl3+)))
+
+(define-public f3d
+  ;; There have been many improvements since the last tagged version (1.2.1,
+  ;; released in December 2021), including support for the Alembic file
+  ;; format.
+  (let ((commit "9cc79b65ed750b178f58012dbba091aa24722dab")
+        (revision "0"))
+    (package
+      (name "f3d")
+      (version (git-version "1.2.1" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/f3d-app/f3d")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "041gqi2wfny2br4j68vhifg0bd18kbl0qsaallkz7yywk47njxfi"))))
+      (build-system cmake-build-system)
+      (arguments
+       (list
+        ;; Many tests require files supplied by git-lfs.
+        ;; Also, some tests segfault (after an exception?) but the tested
+        ;; behavior, i.e., when the program is run manually, does not (for
+        ;; example, TestNonExistentConfigFile and TestInvalidConfigFile).
+        ;; Upstream is aware of occasionally flaky tests (see
+        ;; https://github.com/f3d-app/f3d/issues/92) but the tests run in CI
+        ;; seem to be passing.
+        ;; Anyway, the program runs and is able to open at least STL files
+        ;; without issue.
+        #:tests? #f
+        #:configure-flags
+        #~(list "-DBUILD_TESTING=OFF"
+                "-DF3D_MODULE_ALEMBIC=ON"
+                "-DF3D_MODULE_ASSIMP=ON"
+                "-DF3D_MODULE_OCCT=ON"
+                ;; Prefer Guix's versioned documentation directory to F3D's
+                ;; unversioned one.
+                (string-append "-DCMAKE_INSTALL_DOCDIR=" #$output
+                               "/share/doc/" #$name "-" #$version))
+        #:phases
+        #~(modify-phases %standard-phases
+            (add-after 'unpack 'adjust-titles-and-descriptions
+              (lambda _
+                (substitute* '("CMakeLists.txt"
+                               "resources/f3d.desktop.in"
+                               "resources/io.github.f3d_app.f3d.metainfo.xml")
+                  (("A fast and minimalist 3D viewer")
+                   "Fast and minimalistic 3D viewer"))
+                (substitute* "resources/io.github.f3d_app.f3d.metainfo.xml"
+                  (("it is minimalist,")
+                   "it is minimalistic,")
+                  (("arguments in the command line\\.")
+                   "arguments on the command line."))
+                ;; Keep the title bar short.
+                (substitute* "application/F3DConfig.h.in"
+                  (("AppTitle = \"@PROJECT_DESCRIPTION@\";")
+                   "AppTitle = \"F3D\";"))))
+            (add-after 'unpack 'fix-typos
+              (lambda _
+                (substitute* '("application/F3DOptionsParser.cxx"
+                               "application/F3DStarter.cxx"
+                               "cmake/testing.cmake"
+                               "library/testing/TestSDKHelpers.h")
+                  (("does not exists")
+                   "does not exist"))))
+            ;; Skip checking for the relative-to-executable configuration file
+            ;; (located in ../../argv[0]) when the user configuration file
+            ;; doesn't exist, because the check fails and prints a warning
+            ;; message upon each invocation of the program.
+            ;; Besides, the usefulness of this configuration file is unclear
+            ;; because F3D reads /etc/f3d/config.json as a fallback system
+            ;; configuration file.
+            (add-after 'unpack 'ignore-binary-config-file-dir
+              (lambda _
+                (substitute* "application/F3DOptionsParser.cxx"
+                  (("^ +filePath = .*->GetBinaryConfigFileDirectory\\(\\) .*")
+                   "")))))))
+      (inputs
+       (list alembic
+             assimp
+             double-conversion
+             eigen
+             expat
+             fontconfig
+             freetype
+             glew
+             hdf5
+             imath
+             jsoncpp
+             libjpeg-turbo
+             libpng
+             libtiff
+             libx11
+             lz4
+             netcdf
+             opencascade-occt
+             vtk
+             zlib))
+      (home-page "https://f3d-app.github.io/f3d/")
+      (synopsis "Fast and minimalistic 3D viewer")
+      (description "F3D (pronounced @samp{/fɛd/}) is a VTK-based 3D viewer
+following the KISS principle, so it is minimalistic, efficient, has no GUI,
+has simple interaction mechanisms and is fully controllable using arguments on
+the command line.  It supports a range of file formats (including animated
+glTF, STL, STEP, PLY, OBJ, FBX), and provides numerous rendering and texturing
+options.")
+      (license license:bsd-3))))
-- 
2.36.1