2 Copyright (C) 2018-2021 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.
35 /** @file src/subtitle_image.cc
36 * @brief SubtitleImage class
40 #include "subtitle_image.h"
46 using std::shared_ptr;
50 SubtitleImage::SubtitleImage (
61 : Subtitle (in, out, h_position, h_align, v_position, v_align, fade_up_time, fade_down_time)
62 , _png_image (png_image)
69 SubtitleImage::SubtitleImage (
81 : Subtitle (in, out, h_position, h_align, v_position, v_align, fade_up_time, fade_down_time)
82 , _png_image (png_image)
90 SubtitleImage::read_png_file (boost::filesystem::path file)
93 _png_image = ArrayData (file);
98 SubtitleImage::write_png_file (boost::filesystem::path file) const
101 png_image().write (file);
106 dcp::operator== (SubtitleImage const & a, SubtitleImage const & b)
109 a.png_image() == b.png_image() &&
112 a.out() == b.out() &&
113 a.h_position() == b.h_position() &&
114 a.h_align() == b.h_align() &&
115 a.v_position() == b.v_position() &&
116 a.v_align() == b.v_align() &&
117 a.fade_up_time() == b.fade_up_time() &&
118 a.fade_down_time() == b.fade_down_time()
124 dcp::operator!= (SubtitleImage const & a, SubtitleImage const & b)
131 SubtitleImage::equals (shared_ptr<SubtitleImage> other, EqualityOptions options, NoteHandler note)
133 if (png_image() != other->png_image()) {
134 note (NoteType::ERROR, "subtitle image PNG data differs");
135 if (options.export_differing_subtitles) {
136 string const base = "dcpdiff_subtitle_";
137 if (boost::filesystem::exists(base + "A.png")) {
138 note (NoteType::ERROR, "could not export subtitle as " + base + "A.png already exists");
140 png_image().write(base + "A.png");
142 if (boost::filesystem::exists(base + "B.png")) {
143 note (NoteType::ERROR, "could not export subtitle as " + base + "B.png already exists");
145 other->png_image().write(base + "B.png");
147 options.export_differing_subtitles = false;
152 if (in() != other->in()) {
153 note (NoteType::ERROR, "subtitle in times differ");
157 if (out() != other->out()) {
158 note (NoteType::ERROR, "subtitle out times differ");
162 if (h_position() != other->h_position()) {
163 note (NoteType::ERROR, "subtitle horizontal positions differ");
167 if (h_align() != other->h_align()) {
168 note (NoteType::ERROR, "subtitle horizontal alignments differ");
172 if (v_position() != other->v_position()) {
173 note (NoteType::ERROR, "subtitle vertical positions differ");
177 if (v_align() != other->v_align()) {
178 note (NoteType::ERROR, "subtitle vertical alignments differ");
182 if (fade_up_time() != other->fade_up_time()) {
183 note (NoteType::ERROR, "subtitle fade-up times differ");
187 if (fade_down_time() != other->fade_down_time()) {
188 note (NoteType::ERROR, "subtitle fade-down times differ");
197 dcp::operator<< (ostream& s, SubtitleImage const & sub)
199 s << "\n[IMAGE] from " << sub.in() << " to " << sub.out() << ";\n"
200 << "fade up " << sub.fade_up_time() << ", fade down " << sub.fade_down_time() << ";\n"
201 << "v pos " << sub.v_position() << ", valign " << ((int) sub.v_align())
202 << ", hpos " << sub.h_position() << ", halign " << ((int) sub.h_align()) << "\n";