2 Copyright (C) 2012-2021 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_asset_internal.cc
36 * @brief Internal SubtitleAsset helpers
40 #include "subtitle_asset_internal.h"
41 #include "subtitle_string.h"
42 #include "compose.hpp"
48 using std::shared_ptr;
52 order::Font::Font (shared_ptr<SubtitleString> s, Standard standard)
55 if (standard == Standard::SMPTE) {
56 _values["ID"] = s->font().get ();
58 _values["Id"] = s->font().get ();
61 _values["Italic"] = s->italic() ? "yes" : "no";
62 _values["Color"] = s->colour().to_argb_string();
63 _values["Size"] = raw_convert<string> (s->size());
64 _values["AspectAdjust"] = raw_convert<string>(s->aspect_adjust(), 1, true);
65 _values["Effect"] = effect_to_string (s->effect());
66 _values["EffectColor"] = s->effect_colour().to_argb_string();
67 _values["Script"] = "normal";
68 if (standard == Standard::SMPTE) {
69 _values["Underline"] = s->underline() ? "yes" : "no";
71 _values["Underlined"] = s->underline() ? "yes" : "no";
73 _values["Weight"] = s->bold() ? "bold" : "normal";
78 order::Font::as_xml (xmlpp::Element* parent, Context&) const
80 auto e = parent->add_child("Font");
81 for (const auto& i: _values) {
82 e->set_attribute (i.first, i.second);
88 /** Modify our values so that they contain only those that are common to us and
92 order::Font::take_intersection (Font other)
94 map<string, string> inter;
96 for (auto const& i: other._values) {
97 auto t = _values.find (i.first);
98 if (t != _values.end() && t->second == i.second) {
107 /** Modify our values so that it contains only those keys that are not in other */
109 order::Font::take_difference (Font other)
111 map<string, string> diff;
112 for (auto const& i: _values) {
113 if (other._values.find (i.first) == other._values.end()) {
123 order::Font::empty () const
125 return _values.empty ();
130 order::Part::as_xml (xmlpp::Element* parent, Context &) const
137 order::String::as_xml (xmlpp::Element* parent, Context& context) const
139 if (fabs(_space_before) > SPACE_BEFORE_EPSILON) {
140 auto space = parent->add_child("Space");
141 auto size = raw_convert<string>(_space_before, 2);
142 if (context.standard == Standard::INTEROP) {
145 space->set_attribute("Size", size);
147 parent->add_child_text (_text);
153 order::Part::write_xml (xmlpp::Element* parent, order::Context& context) const
155 if (!font.empty ()) {
156 parent = font.as_xml (parent, context);
159 parent = as_xml (parent, context);
161 for (auto i: children) {
162 i->write_xml (parent, context);
168 position_align (xmlpp::Element* e, order::Context& context, HAlign h_align, float h_position, VAlign v_align, float v_position)
170 if (h_align != HAlign::CENTER) {
171 if (context.standard == Standard::SMPTE) {
172 e->set_attribute ("Halign", halign_to_string (h_align));
174 e->set_attribute ("HAlign", halign_to_string (h_align));
178 if (fabs(h_position) > ALIGN_EPSILON) {
179 if (context.standard == Standard::SMPTE) {
180 e->set_attribute ("Hposition", raw_convert<string> (h_position * 100, 6));
182 e->set_attribute ("HPosition", raw_convert<string> (h_position * 100, 6));
186 if (context.standard == Standard::SMPTE) {
187 e->set_attribute ("Valign", valign_to_string (v_align));
189 e->set_attribute ("VAlign", valign_to_string (v_align));
192 if (fabs(v_position) > ALIGN_EPSILON) {
193 if (context.standard == Standard::SMPTE) {
194 e->set_attribute ("Vposition", raw_convert<string> (v_position * 100, 6));
196 e->set_attribute ("VPosition", raw_convert<string> (v_position * 100, 6));
199 if (context.standard == Standard::SMPTE) {
200 e->set_attribute ("Vposition", "0");
202 e->set_attribute ("VPosition", "0");
209 order::Text::as_xml (xmlpp::Element* parent, Context& context) const
211 auto e = parent->add_child ("Text");
213 position_align (e, context, _h_align, _h_position, _v_align, _v_position);
215 /* Interop only supports "horizontal" or "vertical" for direction, so only write this
218 if (_direction != Direction::LTR && context.standard == Standard::SMPTE) {
219 e->set_attribute ("Direction", direction_to_string (_direction));
227 order::Subtitle::as_xml (xmlpp::Element* parent, Context& context) const
229 auto e = parent->add_child ("Subtitle");
230 e->set_attribute ("SpotNumber", raw_convert<string> (context.spot_number++));
231 e->set_attribute ("TimeIn", _in.rebase(context.time_code_rate).as_string(context.standard));
232 e->set_attribute ("TimeOut", _out.rebase(context.time_code_rate).as_string(context.standard));
233 if (context.standard == Standard::SMPTE) {
234 e->set_attribute ("FadeUpTime", _fade_up.rebase(context.time_code_rate).as_string(context.standard));
235 e->set_attribute ("FadeDownTime", _fade_down.rebase(context.time_code_rate).as_string(context.standard));
237 e->set_attribute ("FadeUpTime", raw_convert<string> (_fade_up.as_editable_units_ceil(context.time_code_rate)));
238 e->set_attribute ("FadeDownTime", raw_convert<string> (_fade_down.as_editable_units_ceil(context.time_code_rate)));
245 order::Font::operator== (Font const & other) const
247 return _values == other._values;
252 order::Font::clear ()
259 order::Image::as_xml (xmlpp::Element* parent, Context& context) const
261 auto e = parent->add_child ("Image");
263 position_align (e, context, _h_align, _h_position, _v_align, _v_position);
264 if (context.standard == Standard::SMPTE) {
265 e->add_child_text ("urn:uuid:" + _id);
267 e->add_child_text (_id + ".png");