Move raw_convert into libdcp.
[dcpomatic.git] / src / lib / types.cc
1 /*
2     Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
3
4     This file is part of DCP-o-matic.
5
6     DCP-o-matic 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.
10
11     DCP-o-matic 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.
15
16     You should have received a copy of the GNU General Public License
17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
18
19 */
20
21 #include "types.h"
22 #include "dcpomatic_assert.h"
23 #include <dcp/raw_convert.h>
24 #include <libxml++/libxml++.h>
25 #include <libcxml/cxml.h>
26
27 using std::max;
28 using std::min;
29 using std::string;
30 using boost::shared_ptr;
31 using dcp::raw_convert;
32
33 bool operator== (Crop const & a, Crop const & b)
34 {
35         return (a.left == b.left && a.right == b.right && a.top == b.top && a.bottom == b.bottom);
36 }
37
38 bool operator!= (Crop const & a, Crop const & b)
39 {
40         return !(a == b);
41 }
42
43 /** @param r Resolution.
44  *  @return Untranslated string representation.
45  */
46 string
47 resolution_to_string (Resolution r)
48 {
49         switch (r) {
50         case RESOLUTION_2K:
51                 return "2K";
52         case RESOLUTION_4K:
53                 return "4K";
54         }
55
56         DCPOMATIC_ASSERT (false);
57         return "";
58 }
59
60
61 Resolution
62 string_to_resolution (string s)
63 {
64         if (s == "2K") {
65                 return RESOLUTION_2K;
66         }
67
68         if (s == "4K") {
69                 return RESOLUTION_4K;
70         }
71
72         DCPOMATIC_ASSERT (false);
73         return RESOLUTION_2K;
74 }
75
76 Crop::Crop (shared_ptr<cxml::Node> node)
77 {
78         left = node->number_child<int> ("LeftCrop");
79         right = node->number_child<int> ("RightCrop");
80         top = node->number_child<int> ("TopCrop");
81         bottom = node->number_child<int> ("BottomCrop");
82 }
83
84 void
85 Crop::as_xml (xmlpp::Node* node) const
86 {
87         node->add_child("LeftCrop")->add_child_text (raw_convert<string> (left));
88         node->add_child("RightCrop")->add_child_text (raw_convert<string> (right));
89         node->add_child("TopCrop")->add_child_text (raw_convert<string> (top));
90         node->add_child("BottomCrop")->add_child_text (raw_convert<string> (bottom));
91 }
92
93 string
94 video_frame_type_to_string (VideoFrameType t)
95 {
96         switch (t) {
97         case VIDEO_FRAME_TYPE_2D:
98                 return "2d";
99         case VIDEO_FRAME_TYPE_3D:
100                 return "3d";
101         case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT:
102                 return "3d-left-right";
103         case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM:
104                 return "3d-top-bottom";
105         case VIDEO_FRAME_TYPE_3D_ALTERNATE:
106                 return "3d-alternate";
107         case VIDEO_FRAME_TYPE_3D_LEFT:
108                 return "3d-left";
109         case VIDEO_FRAME_TYPE_3D_RIGHT:
110                 return "3d-right";
111         default:
112                 DCPOMATIC_ASSERT (false);
113         }
114
115         DCPOMATIC_ASSERT (false);
116 }
117
118 VideoFrameType
119 string_to_video_frame_type (string s)
120 {
121         if (s == "2d") {
122                 return VIDEO_FRAME_TYPE_2D;
123         } else if (s == "3d") {
124                 return VIDEO_FRAME_TYPE_3D;
125         } else if (s == "3d-left-right") {
126                 return VIDEO_FRAME_TYPE_3D_LEFT_RIGHT;
127         } else if (s == "3d-top-bottom") {
128                 return VIDEO_FRAME_TYPE_3D_TOP_BOTTOM;
129         } else if (s == "3d-alternate") {
130                 return VIDEO_FRAME_TYPE_3D_ALTERNATE;
131         } else if (s == "3d-left") {
132                 return VIDEO_FRAME_TYPE_3D_LEFT;
133         } else if (s == "3d-right") {
134                 return VIDEO_FRAME_TYPE_3D_RIGHT;
135         }
136
137         DCPOMATIC_ASSERT (false);
138 }