f31e7a3ec3854f9c1fee5d27592897e20a52628a
[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 "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
32 bool operator== (Crop const & a, Crop const & b)
33 {
34         return (a.left == b.left && a.right == b.right && a.top == b.top && a.bottom == b.bottom);
35 }
36
37 bool operator!= (Crop const & a, Crop const & b)
38 {
39         return !(a == b);
40 }
41
42 /** @param r Resolution.
43  *  @return Untranslated string representation.
44  */
45 string
46 resolution_to_string (Resolution r)
47 {
48         switch (r) {
49         case RESOLUTION_2K:
50                 return "2K";
51         case RESOLUTION_4K:
52                 return "4K";
53         }
54
55         DCPOMATIC_ASSERT (false);
56         return "";
57 }
58
59
60 Resolution
61 string_to_resolution (string s)
62 {
63         if (s == "2K") {
64                 return RESOLUTION_2K;
65         }
66
67         if (s == "4K") {
68                 return RESOLUTION_4K;
69         }
70
71         DCPOMATIC_ASSERT (false);
72         return RESOLUTION_2K;
73 }
74
75 Crop::Crop (shared_ptr<cxml::Node> node)
76 {
77         left = node->number_child<int> ("LeftCrop");
78         right = node->number_child<int> ("RightCrop");
79         top = node->number_child<int> ("TopCrop");
80         bottom = node->number_child<int> ("BottomCrop");
81 }
82
83 void
84 Crop::as_xml (xmlpp::Node* node) const
85 {
86         node->add_child("LeftCrop")->add_child_text (raw_convert<string> (left));
87         node->add_child("RightCrop")->add_child_text (raw_convert<string> (right));
88         node->add_child("TopCrop")->add_child_text (raw_convert<string> (top));
89         node->add_child("BottomCrop")->add_child_text (raw_convert<string> (bottom));
90 }
91
92 string
93 video_frame_type_to_string (VideoFrameType t)
94 {
95         switch (t) {
96         case VIDEO_FRAME_TYPE_2D:
97                 return "2d";
98         case VIDEO_FRAME_TYPE_3D:
99                 return "3d";
100         case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT:
101                 return "3d-left-right";
102         case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM:
103                 return "3d-top-bottom";
104         case VIDEO_FRAME_TYPE_3D_ALTERNATE:
105                 return "3d-alternate";
106         case VIDEO_FRAME_TYPE_3D_LEFT:
107                 return "3d-left";
108         case VIDEO_FRAME_TYPE_3D_RIGHT:
109                 return "3d-right";
110         default:
111                 DCPOMATIC_ASSERT (false);
112         }
113
114         DCPOMATIC_ASSERT (false);
115 }
116
117 VideoFrameType
118 string_to_video_frame_type (string s)
119 {
120         if (s == "2d") {
121                 return VIDEO_FRAME_TYPE_2D;
122         } else if (s == "3d") {
123                 return VIDEO_FRAME_TYPE_3D;
124         } else if (s == "3d-left-right") {
125                 return VIDEO_FRAME_TYPE_3D_LEFT_RIGHT;
126         } else if (s == "3d-top-bottom") {
127                 return VIDEO_FRAME_TYPE_3D_TOP_BOTTOM;
128         } else if (s == "3d-alternate") {
129                 return VIDEO_FRAME_TYPE_3D_ALTERNATE;
130         } else if (s == "3d-left") {
131                 return VIDEO_FRAME_TYPE_3D_LEFT;
132         } else if (s == "3d-right") {
133                 return VIDEO_FRAME_TYPE_3D_RIGHT;
134         }
135
136         DCPOMATIC_ASSERT (false);
137 }