2 Copyright (C) 2020 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
21 #include "subtitle_analysis.h"
22 #include "exceptions.h"
23 #include <libcxml/cxml.h>
24 #include <dcp/raw_convert.h>
25 #include <libxml++/libxml++.h>
28 using dcp::raw_convert;
29 using boost::shared_ptr;
31 int const SubtitleAnalysis::_current_state_version = 1;
34 SubtitleAnalysis::SubtitleAnalysis (boost::filesystem::path path)
36 cxml::Document f ("SubtitleAnalysis");
40 if (f.optional_number_child<int>("Version").get_value_or(1) < _current_state_version) {
41 /* Too old. Throw an exception so that this analysis is re-run. */
42 throw OldFormatError ("Audio analysis file is too old");
45 cxml::NodePtr bounding_box = f.optional_node_child("BoundingBox");
47 _bounding_box = dcpomatic::Rect<double> ();
48 _bounding_box->x = bounding_box->number_child<double>("X");
49 _bounding_box->y = bounding_box->number_child<double>("Y");
50 _bounding_box->width = bounding_box->number_child<double>("Width");
51 _bounding_box->height = bounding_box->number_child<double>("Height");
54 _analysis_x_offset = f.number_child<double>("AnalysisXOffset");
55 _analysis_y_offset = f.number_child<double>("AnalysisYOffset");
60 SubtitleAnalysis::write (boost::filesystem::path path) const
62 shared_ptr<xmlpp::Document> doc (new xmlpp::Document);
63 xmlpp::Element* root = doc->create_root_node ("SubtitleAnalysis");
65 root->add_child("Version")->add_child_text (raw_convert<string>(_current_state_version));
68 xmlpp::Element* bounding_box = root->add_child("BoundingBox");
69 bounding_box->add_child("X")->add_child_text(raw_convert<string>(_bounding_box->x));
70 bounding_box->add_child("Y")->add_child_text(raw_convert<string>(_bounding_box->y));
71 bounding_box->add_child("Width")->add_child_text(raw_convert<string>(_bounding_box->width));
72 bounding_box->add_child("Height")->add_child_text(raw_convert<string>(_bounding_box->height));
75 root->add_child("AnalysisXOffset")->add_child_text(raw_convert<string>(_analysis_x_offset));
76 root->add_child("AnalysisYOffset")->add_child_text(raw_convert<string>(_analysis_y_offset));
78 doc->write_to_file_formatted (path.string());