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--[[
This file is part of GIMP,
copyright (c) 2015-2017 Tobias Ellinghaus
GIMP 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.
GIMP 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 GIMP. If not, see <https://www.gnu.org/licenses/>.
]]
--[[
EXPORT ON EXIT
exports all (but at most 1) images from the database to prefs setting "lua/export_on_exit/export_filename"
when darktable exits
USAGE
* require this file from your main lua config file
* or: use --luacmd "dofile('/path/to/this/file.lua')"
* and make sure to set the export filename
]]
local dt = require "darktable"
local min_api_version = "2.1.0"
if dt.configuration.api_version_string < min_api_version then
dt.print("the exit export script requires at least darktable version 1.7.0")
dt.print_error("the exit export script requires at least darktable version 1.7.0")
return
else
dt.print("closing darktable will export the image and make GIMP load it")
end
local export_filename = dt.preferences.read("export_on_exit", "export_filename", "string")
dt.register_event("exit", function()
-- safegurad against someone using this with their library containing 50k images
if #dt.database > 1 then
dt.print_error("too many images, only exporting the first")
-- return
end
-- change the view first to force writing of the history stack
dt.gui.current_view(dt.gui.views.lighttable)
-- now export
local format = dt.new_format("exr")
format.max_width = 0
format.max_height = 0
-- let's have the export in a loop so we could easily support > 1 images
for _, image in ipairs(dt.database) do
dt.print_error("exporting `"..tostring(image).."' to `"..export_filename.."'")
format:write_image(image, export_filename)
break -- only export one image. see above for the reason
end
end)
--
-- vim: shiftwidth=2 expandtab tabstop=2 cindent syntax=lua
-- kate: hl Lua;
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