2 Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file src/format.cc
21 * @brief Class to describe a format (aspect ratio) that a Film should
35 vector<Format const *> Format::_formats;
37 /** @return A name to be presented to the user */
39 FixedFormat::name () const
42 if (!_nickname.empty ()) {
43 s << _nickname << " (";
46 s << setprecision(3) << (_ratio / 100.0) << ":1";
48 if (!_nickname.empty ()) {
55 /** @return Identifier for this format as metadata for a Film's metadata file */
57 Format::as_metadata () const
62 /** Fill our _formats vector with all available formats */
64 Format::setup_formats ()
66 _formats.push_back (new FixedFormat (119, Size (1285, 1080), "119", "1.19"));
67 _formats.push_back (new FixedFormat (133, Size (1436, 1080), "133", "1.33"));
68 _formats.push_back (new FixedFormat (138, Size (1485, 1080), "138", "1.375"));
69 _formats.push_back (new FixedFormat (133, Size (1998, 1080), "133-in-flat", "4:3 within Flat"));
70 _formats.push_back (new FixedFormat (137, Size (1480, 1080), "137", "Academy"));
71 _formats.push_back (new FixedFormat (166, Size (1793, 1080), "166", "1.66"));
72 _formats.push_back (new FixedFormat (166, Size (1998, 1080), "166-in-flat", "1.66 within Flat"));
73 _formats.push_back (new FixedFormat (178, Size (1998, 1080), "178-in-flat", "16:9 within Flat"));
74 _formats.push_back (new FixedFormat (185, Size (1998, 1080), "185", "Flat"));
75 _formats.push_back (new FixedFormat (239, Size (2048, 858), "239", "Scope"));
76 _formats.push_back (new VariableFormat (Size (1998, 1080), "var-185", "Flat"));
77 _formats.push_back (new VariableFormat (Size (2048, 858), "var-239", "Scope"));
80 /** @param n Nickname.
81 * @return Matching Format, or 0.
84 Format::from_nickname (string n)
86 vector<Format const *>::iterator i = _formats.begin ();
87 while (i != _formats.end() && (*i)->nickname() != n) {
91 if (i == _formats.end ()) {
99 * @return Matching Format, or 0.
102 Format::from_id (string i)
104 vector<Format const *>::iterator j = _formats.begin ();
105 while (j != _formats.end() && (*j)->id() != i) {
109 if (j == _formats.end ()) {
117 /** @param m Metadata, as returned from as_metadata().
118 * @return Matching Format, or 0.
121 Format::from_metadata (string m)
126 /** @return All available formats */
127 vector<Format const *>
133 /** @param r Ratio multiplied by 100 (e.g. 185)
134 * @param dcp Size (in pixels) of the images that we should put in a DCP.
135 * @param id ID (e.g. 185)
136 * @param n Nick name (e.g. Flat)
138 FixedFormat::FixedFormat (int r, Size dcp, string id, string n)
139 : Format (dcp, id, n)
146 Format::dcp_padding (Film const * f) const
148 int p = rint ((_dcp_size.width - (_dcp_size.height * ratio_as_integer(f) / 100.0)) / 2.0);
150 /* This comes out -ve for Scope; bodge it */
158 VariableFormat::VariableFormat (Size dcp, string id, string n)
159 : Format (dcp, id, n)
165 VariableFormat::ratio_as_integer (Film const * f) const
167 return rint (ratio_as_float (f) * 100);
171 VariableFormat::ratio_as_float (Film const * f) const
173 return float (f->size().width) / f->size().height;
176 /** @return A name to be presented to the user */
178 VariableFormat::name () const