Merge pull request darktable-org#2 from chrik5/master

Add new storage hugin panorama export

Author: supertobi

contrib/hugin.lua

@@ -0,0 +1,66 @@
+--[[
+  Hugin storage for darktable 
+
+  copyright (c) 2014  Wolfgang Goetz
+  copyright (c) 2015  Christian Kanzian
+  
+  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/>.
+]]
+
+--[[
+HUGIN
+Add a new storage option to send images to hugin. 
+Images are exported to darktable tmp dir first. 
+
+USAGE
+* require this file from your main luarc config file.
+
+This plugin will add a new storage option and calls hugin after export.
+]]
+
+dt = require "darktable"
+
+-- should work with lua version 2.0.0
+dt.configuration.check_version(...,{2,0,0})
+
+-- list of exported images 
+local img_list
+ 
+dt.register_storage("module_hugin","Hugin panorama",
+   function(storage, image, format, filename,
+        number,total,high_quality,extra_data)
+        dt.print("Export to hugin " .. tostring(number).."/"..tostring(total))
+   end,
+   function(storage,image_table,extra_data) --finalize
+        -- reset and create image list
+        img_list = ""
+                
+        for _,v in pairs(image_table) do
+         img_list = img_list ..v.. " "
+        end
+       
+        dt.print("Will try to stitch now")
+       
+        if coroutine.yield("RUN_COMMAND","hugin "..img_list)
+           then
+           dt.print("Command hugin failed ...")
+        end
+	
+    end,
+    nil,
+    nil
+)
+
+--
+-- vim: shiftwidth=2 expandtab tabstop=2 cindent syntax=lua