2 Copyright (C) 2018-2020 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp 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 libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the copyright holders give
20 permission to link the code of portions of this program with the
21 OpenSSL library under certain conditions as described in each
22 individual source file, and distribute linked combinations
25 You must obey the GNU General Public License in all respects
26 for all of the code used other than OpenSSL. If you modify
27 file(s) with this exception, you may extend this exception to your
28 version of the file(s), but you are not obligated to do so. If you
29 do not wish to do so, delete this exception statement from your
30 version. If you delete this exception statement from all source
31 files in the program, then also delete it here.
34 #include "subtitle_image.h"
39 using std::shared_ptr;
42 SubtitleImage::SubtitleImage (
53 : Subtitle (in, out, h_position, h_align, v_position, v_align, fade_up_time, fade_down_time)
54 , _png_image (png_image)
60 SubtitleImage::SubtitleImage (
72 : Subtitle (in, out, h_position, h_align, v_position, v_align, fade_up_time, fade_down_time)
73 , _png_image (png_image)
80 SubtitleImage::read_png_file (boost::filesystem::path file)
83 _png_image = ArrayData (file);
87 SubtitleImage::write_png_file (boost::filesystem::path file) const
90 png_image().write (file);
94 dcp::operator== (SubtitleImage const & a, SubtitleImage const & b)
97 a.png_image() == b.png_image() &&
100 a.out() == b.out() &&
101 a.h_position() == b.h_position() &&
102 a.h_align() == b.h_align() &&
103 a.v_position() == b.v_position() &&
104 a.v_align() == b.v_align() &&
105 a.fade_up_time() == b.fade_up_time() &&
106 a.fade_down_time() == b.fade_down_time()
111 dcp::operator!= (SubtitleImage const & a, SubtitleImage const & b)
117 SubtitleImage::equals (shared_ptr<SubtitleImage> other, EqualityOptions options, NoteHandler note)
119 if (png_image() != other->png_image()) {
120 note (NoteType::ERROR, "subtitle image PNG data differs");
121 if (options.export_differing_subtitles) {
122 string const base = "dcpdiff_subtitle_";
123 if (boost::filesystem::exists(base + "A.png")) {
124 note (NoteType::ERROR, "could not export subtitle as " + base + "A.png already exists");
126 png_image().write(base + "A.png");
128 if (boost::filesystem::exists(base + "B.png")) {
129 note (NoteType::ERROR, "could not export subtitle as " + base + "B.png already exists");
131 other->png_image().write(base + "B.png");
133 options.export_differing_subtitles = false;
138 if (in() != other->in()) {
139 note (NoteType::ERROR, "subtitle in times differ");
143 if (out() != other->out()) {
144 note (NoteType::ERROR, "subtitle out times differ");
148 if (h_position() != other->h_position()) {
149 note (NoteType::ERROR, "subtitle horizontal positions differ");
153 if (h_align() != other->h_align()) {
154 note (NoteType::ERROR, "subtitle horizontal alignments differ");
158 if (v_position() != other->v_position()) {
159 note (NoteType::ERROR, "subtitle vertical positions differ");
163 if (v_align() != other->v_align()) {
164 note (NoteType::ERROR, "subtitle vertical alignments differ");
168 if (fade_up_time() != other->fade_up_time()) {
169 note (NoteType::ERROR, "subtitle fade-up times differ");
173 if (fade_down_time() != other->fade_down_time()) {
174 note (NoteType::ERROR, "subtitle fade-down times differ");
182 dcp::operator<< (ostream& s, SubtitleImage const & sub)
184 s << "\n[IMAGE] from " << sub.in() << " to " << sub.out() << ";\n"
185 << "fade up " << sub.fade_up_time() << ", fade down " << sub.fade_down_time() << ";\n"
186 << "v pos " << sub.v_position() << ", valign " << ((int) sub.v_align())
187 << ", hpos " << sub.h_position() << ", halign " << ((int) sub.h_align()) << "\n";