1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file src/format.h
* @brief Classes to describe a format (aspect ratio) that a Film should
* be shown in.
*/
#include <string>
#include <vector>
#include "util.h"
class Film;
class Format
{
public:
Format (Size dcp, std::string id, std::string n, std::string d)
: _dcp_size (dcp)
, _id (id)
, _nickname (n)
, _dci_name (d)
{}
/** @return the aspect ratio multiplied by 100
* (e.g. 239 for Cinemascope 2.39:1)
*/
virtual int ratio_as_integer (boost::shared_ptr<const Film> f) const = 0;
/** @return the ratio as a floating point number */
virtual float ratio_as_float (boost::shared_ptr<const Film> f) const = 0;
int dcp_padding (boost::shared_ptr<const Film> f) const;
/** @return size in pixels of the images that we should
* put in a DCP for this ratio. This size will not correspond
* to the ratio when we are doing things like 16:9 in a Flat frame.
*/
Size dcp_size () const {
return _dcp_size;
}
std::string id () const {
return _id;
}
/** @return Full name to present to the user */
virtual std::string name () const = 0;
/** @return Nickname (e.g. Flat, Scope) */
std::string nickname () const {
return _nickname;
}
std::string dci_name () const {
return _dci_name;
}
std::string as_metadata () const;
static Format const * from_nickname (std::string n);
static Format const * from_metadata (std::string m);
static Format const * from_id (std::string i);
static std::vector<Format const *> all ();
static void setup_formats ();
protected:
/** Size in pixels of the images that we should
* put in a DCP for this ratio. This size will not correspond
* to the ratio when we are doing things like 16:9 in a Flat frame.
*/
Size _dcp_size;
/** id for use in metadata */
std::string _id;
/** nickname (e.g. Flat, Scope) */
std::string _nickname;
std::string _dci_name;
private:
/** all available formats */
static std::vector<Format const *> _formats;
};
/** @class FixedFormat
* @brief Class to describe a format whose ratio is fixed regardless
* of source size.
*/
class FixedFormat : public Format
{
public:
FixedFormat (int, Size, std::string, std::string, std::string);
int ratio_as_integer (boost::shared_ptr<const Film>) const {
return _ratio;
}
float ratio_as_float (boost::shared_ptr<const Film>) const {
return _ratio / 100.0;
}
std::string name () const;
private:
/** Ratio expressed as the actual ratio multiplied by 100 */
int _ratio;
};
class VariableFormat : public Format
{
public:
VariableFormat (Size, std::string, std::string, std::string);
int ratio_as_integer (boost::shared_ptr<const Film> f) const;
float ratio_as_float (boost::shared_ptr<const Film> f) const;
std::string name () const;
};
|
