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 "compose.hpp"
  23 #include "dcpomatic_assert.h"
  24 #include <dcp/raw_convert.h>
  25 #include <libxml++/libxml++.h>
  26 #include <libcxml/cxml.h>
  27
  28 using std::max;
  29 using std::min;
  30 using std::string;
  31 using boost::shared_ptr;
  32 using dcp::raw_convert;
  33
  34 bool operator== (Crop const & a, Crop const & b)
  35 {
  36         return (a.left == b.left && a.right == b.right && a.top == b.top && a.bottom == b.bottom);
  37 }
  38
  39 bool operator!= (Crop const & a, Crop const & b)
  40 {
  41         return !(a == b);
  42 }
  43
  44 /** @param r Resolution.
  45  *  @return Untranslated string representation.
  46  */
  47 string
  48 resolution_to_string (Resolution r)
  49 {
  50         switch (r) {
  51         case RESOLUTION_2K:
  52                 return "2K";
  53         case RESOLUTION_4K:
  54                 return "4K";
  55         }
  56
  57         DCPOMATIC_ASSERT (false);
  58         return "";
  59 }
  60
  61
  62 Resolution
  63 string_to_resolution (string s)
  64 {
  65         if (s == "2K") {
  66                 return RESOLUTION_2K;
  67         }
  68
  69         if (s == "4K") {
  70                 return RESOLUTION_4K;
  71         }
  72
  73         DCPOMATIC_ASSERT (false);
  74         return RESOLUTION_2K;
  75 }
  76
  77 Crop::Crop (shared_ptr<cxml::Node> node)
  78 {
  79         left = node->number_child<int> ("LeftCrop");
  80         right = node->number_child<int> ("RightCrop");
  81         top = node->number_child<int> ("TopCrop");
  82         bottom = node->number_child<int> ("BottomCrop");
  83 }
  84
  85 void
  86 Crop::as_xml (xmlpp::Node* node) const
  87 {
  88         node->add_child("LeftCrop")->add_child_text (raw_convert<string> (left));
  89         node->add_child("RightCrop")->add_child_text (raw_convert<string> (right));
  90         node->add_child("TopCrop")->add_child_text (raw_convert<string> (top));
  91         node->add_child("BottomCrop")->add_child_text (raw_convert<string> (bottom));
  92 }
  93
  94 CaptionType
  95 string_to_caption_type (string s)
  96 {
  97         if (s == "open") {
  98                 return CAPTION_OPEN;
  99         } else if (s == "closed") {
 100                 return CAPTION_CLOSED;
 101         } else {
 102                 throw MetadataError (String::compose ("Unknown caption type %1", s));
 103         }
 104 }
 105
 106 string
 107 caption_type_to_string (CaptionType t)
 108 {
 109         switch (t) {
 110         case CAPTION_OPEN:
 111                 return "open";
 112         case CAPTION_CLOSED:
 113                 return "closed";
 114         default:
 115                 DCPOMATIC_ASSERT (false);
 116         }
 117 }
 118
 119 string
 120 video_frame_type_to_string (VideoFrameType t)
 121 {
 122         switch (t) {
 123         case VIDEO_FRAME_TYPE_2D:
 124                 return "2d";
 125         case VIDEO_FRAME_TYPE_3D:
 126                 return "3d";
 127         case VIDEO_FRAME_TYPE_3D_LEFT_RIGHT:
 128                 return "3d-left-right";
 129         case VIDEO_FRAME_TYPE_3D_TOP_BOTTOM:
 130                 return "3d-top-bottom";
 131         case VIDEO_FRAME_TYPE_3D_ALTERNATE:
 132                 return "3d-alternate";
 133         case VIDEO_FRAME_TYPE_3D_LEFT:
 134                 return "3d-left";
 135         case VIDEO_FRAME_TYPE_3D_RIGHT:
 136                 return "3d-right";
 137         default:
 138                 DCPOMATIC_ASSERT (false);
 139         }
 140
 141         DCPOMATIC_ASSERT (false);
 142 }
 143
 144 VideoFrameType
 145 string_to_video_frame_type (string s)
 146 {
 147         if (s == "2d") {
 148                 return VIDEO_FRAME_TYPE_2D;
 149         } else if (s == "3d") {
 150                 return VIDEO_FRAME_TYPE_3D;
 151         } else if (s == "3d-left-right") {
 152                 return VIDEO_FRAME_TYPE_3D_LEFT_RIGHT;
 153         } else if (s == "3d-top-bottom") {
 154                 return VIDEO_FRAME_TYPE_3D_TOP_BOTTOM;
 155         } else if (s == "3d-alternate") {
 156                 return VIDEO_FRAME_TYPE_3D_ALTERNATE;
 157         } else if (s == "3d-left") {
 158                 return VIDEO_FRAME_TYPE_3D_LEFT;
 159         } else if (s == "3d-right") {
 160                 return VIDEO_FRAME_TYPE_3D_RIGHT;
 161         }
 162
 163         DCPOMATIC_ASSERT (false);
 164 }