From 7f140828bbc87ed573d3329fb42d8e5218af8c52 Mon Sep 17 00:00:00 2001
From: Hubert Kowalski <h.kowalski@hakger.pl>
Date: Sat, 14 Aug 2021 13:01:00 +0200
Subject: [PATCH 1/2] add harmonic armature guide

---
 contrib/harmonic_armature_guide.lua | 84 +++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 contrib/harmonic_armature_guide.lua

diff --git a/contrib/harmonic_armature_guide.lua b/contrib/harmonic_armature_guide.lua
new file mode 100644
index 0000000..7376e00
--- /dev/null
+++ b/contrib/harmonic_armature_guide.lua
@@ -0,0 +1,84 @@
+--[[
+  harmonic artmature guide for darktable
+
+  copyright (c) 2021  Hubert Kowalski
+  
+  darktable is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  darktable is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with darktable.  If not, see <http://www.gnu.org/licenses/>.
+]]
+
+--[[
+HARMONIC ARMATURE GUIDE
+Harmonic Armature (also known as 14 line armature)
+
+INSTALLATION
+* copy this file in $CONFIGDIR/lua/ where CONFIGDIR is your darktable configuration directory
+* add the following line in the file $CONFIGDIR/luarc
+  require "harmonic_armature_guide"
+
+USAGE
+* when using guides, select "harmonic armature" as guide
+]]
+
+local dt = require "darktable"
+local du = require "lib/dtutils"
+local gettext = dt.gettext
+
+du.check_min_api_version("2.0.0", "harmonic_armature_guide") 
+
+-- Tell gettext where to find the .mo file translating messages for a particular domain
+gettext.bindtextdomain("harmonic_armature_guide",dt.configuration.config_dir.."/lua/locale/")
+
+local function _(msgid)
+  return gettext.dgettext("harmonic_armature_guide", msgid)
+end
+
+dt.guides.register_guide("harmonic armature",
+-- draw
+function(cairo, x, y, width, height, zoom_scale)
+  cairo:save()
+
+  cairo:translate(x, y)
+  cairo:scale(width, height)
+
+  cairo:move_to(0,0)
+  cairo:line_to(1, 0.5)
+  cairo:line_to(0.5, 1)
+  cairo:line_to(0,0)
+  cairo:line_to(1, 1)
+  cairo:line_to(0.5, 0)
+  cairo:line_to(0, 0.5)
+  cairo:line_to(1, 1)
+
+  cairo:move_to(1, 0)
+  cairo:line_to(0, 0.5)
+  cairo:line_to(0.5, 1)
+  cairo:line_to(1, 0)
+  cairo:line_to(0, 1)
+  cairo:line_to(0.5, 0)
+  cairo:line_to(1, 0.5)
+  cairo:line_to(0, 1)
+
+  -- middle lines - not needed for harmonic armature
+  -- cairo:move_to(0,0.5)
+  -- cairo:line_to(1,0.5)
+  -- cairo:move_to(0.5,0)
+  -- cairo:line_to(0.5,1)
+
+  cairo:restore()
+end,
+-- gui
+function()
+  return dt.new_widget("label"){label = _("harmonic armature"), halign = "start"}
+end
+)
\ No newline at end of file

From d14215105599c804e34a0a62512fd4e081078ffd Mon Sep 17 00:00:00 2001
From: Hubert Kowalski <johnny-bit@users.noreply.github.com>
Date: Sun, 15 Aug 2021 22:43:13 +0200
Subject: [PATCH 2/2] fix lines and contrib require

---
 contrib/harmonic_armature_guide.lua | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/contrib/harmonic_armature_guide.lua b/contrib/harmonic_armature_guide.lua
index 7376e00..e5c23f2 100644
--- a/contrib/harmonic_armature_guide.lua
+++ b/contrib/harmonic_armature_guide.lua
@@ -22,9 +22,9 @@ HARMONIC ARMATURE GUIDE
 Harmonic Armature (also known as 14 line armature)
 
 INSTALLATION
-* copy this file in $CONFIGDIR/lua/ where CONFIGDIR is your darktable configuration directory
+* copy this file in $CONFIGDIR/lua/contrib where CONFIGDIR is your darktable configuration directory
 * add the following line in the file $CONFIGDIR/luarc
-  require "harmonic_armature_guide"
+  require "contrib/harmonic_armature_guide"
 
 USAGE
 * when using guides, select "harmonic armature" as guide
@@ -69,12 +69,6 @@ function(cairo, x, y, width, height, zoom_scale)
   cairo:line_to(1, 0.5)
   cairo:line_to(0, 1)
 
-  -- middle lines - not needed for harmonic armature
-  -- cairo:move_to(0,0.5)
-  -- cairo:line_to(1,0.5)
-  -- cairo:move_to(0.5,0)
-  -- cairo:line_to(0.5,1)
-
   cairo:restore()
 end,
 -- gui