12747d9054
This script automates the steps involved to process an image created with the Magic Lantern Dual ISO module. Upon invoking the script with a shortcut "cr2hdr" provided by Magic Lantern is run on the selected images. The processed files are imported. They are also made group leaders to hide the original files.
80 lines
2.4 KiB
Lua
80 lines
2.4 KiB
Lua
--[[
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Copyright (C) 2015 Till Theato <theato@ttill.de>.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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]]
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--[[
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cr2hdr …
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This script …
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USAGE
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* require this script from your main lua file
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* …
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]]
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local darktable = require "darktable"
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-- Tested with darktable 1.6.2
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darktable.configuration.check_version(...,{2,0,2})
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local processed_files = {}
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function file_imported(event, image)
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local filename = image.path .. "/" .. image.filename
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if processed_files[filename] then
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image.make_group_leader(image)
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processed_files[filename] = nil
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end
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end
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-- Source: http://lua-users.org/wiki/SplitJoin
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function lines(str)
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local t = {}
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local function helper(line) table.insert(t, line) return "" end
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helper((str:gsub("(.-)\r?\n", helper)))
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return t
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end
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function convert_image(image)
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if string.sub(image.filename, -3) == "CR2" then
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local filename = image.path .. "/" .. image.filename
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local handle = io.popen("cr2hdr " .. filename)
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local result = handle:read("*a")
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handle:close()
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local out_filename = string.gsub(filename, ".CR2", ".DNG")
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local file = io.open(out_filename)
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if file then
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file:close()
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processed_files[out_filename] = true
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darktable.database.import(out_filename)
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else
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result = lines(result)
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darktable.print_error(image.filename .. ": cr2hdr failed: " .. result[#result-1])
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end
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else
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darktable.print_error(image.filename .. " is not a Canon RAW.")
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end
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end
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function convert_action_images(shortcut)
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local images = darktable.gui.action_images
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for _,image in pairs(images) do
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convert_image(image)
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end
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end
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darktable.register_event("shortcut", convert_action_images, "Run cr2hdr (Magic Lantern DualISO converter) on ... images")
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darktable.register_event("post-import-image", file_imported)
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