test/render_subtitles_test.cc

   1 /*
   2     Copyright (C) 2016 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
  22 /** @file  test/render_text_test.cc
  23  *  @brief Check markup of subtitles for rendering.
  24  *  @ingroup feature
  25  */
  26
  27
  28 #include "lib/image.h"
  29 #include "lib/image_png.h"
  30 #include "lib/render_text.h"
  31 #include "lib/string_text.h"
  32 #include <dcp/subtitle_string.h>
  33 #include <boost/test/unit_test.hpp>
  34
  35
  36 using std::make_shared;
  37 using std::shared_ptr;
  38
  39
  40 static void
  41 add (std::list<StringText>& s, std::string text, bool italic, bool bold, bool underline)
  42 {
  43         s.push_back (
  44                 StringText (
  45                         dcp::SubtitleString (
  46                                 boost::optional<std::string> (),
  47                                 italic,
  48                                 bold,
  49                                 underline,
  50                                 dcp::Colour (255, 255, 255),
  51                                 42,
  52                                 1,
  53                                 dcp::Time (),
  54                                 dcp::Time (),
  55                                 1,
  56                                 dcp::HAlign::LEFT,
  57                                 1,
  58                                 dcp::VAlign::TOP,
  59                                 0,
  60                                 dcp::Direction::LTR,
  61                                 text,
  62                                 dcp::Effect::NONE,
  63                                 dcp::Colour (0, 0, 0),
  64                                 dcp::Time (),
  65                                 dcp::Time (),
  66                                 0
  67                                 ),
  68                         2,
  69                         std::shared_ptr<dcpomatic::Font>(),
  70                         dcp::SubtitleStandard::SMPTE_2014
  71                         )
  72                 );
  73 }
  74
  75
  76 BOOST_AUTO_TEST_CASE (marked_up_test1)
  77 {
  78         std::list<StringText> s;
  79         add (s, "Hello", false, false, false);
  80         BOOST_CHECK_EQUAL(marked_up(s, 1024, 1, ""), "<span size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span>");
  81 }
  82
  83
  84 BOOST_AUTO_TEST_CASE (marked_up_test2)
  85 {
  86         std::list<StringText> s;
  87         add (s, "Hello", false, true, false);
  88         BOOST_CHECK_EQUAL(marked_up(s, 1024, 1, ""), "<span weight=\"bold\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span>");
  89 }
  90
  91
  92 BOOST_AUTO_TEST_CASE (marked_up_test3)
  93 {
  94         std::list<StringText> s;
  95         add (s, "Hello", true, true, false);
  96         BOOST_CHECK_EQUAL(marked_up(s, 1024, 1, ""), "<span style=\"italic\" weight=\"bold\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span>");
  97 }
  98
  99 BOOST_AUTO_TEST_CASE (marked_up_test4)
 100 {
 101         std::list<StringText> s;
 102         add (s, "Hello", true, true, true);
 103         BOOST_CHECK_EQUAL(marked_up(s, 1024, 1, ""), "<span style=\"italic\" weight=\"bold\" underline=\"single\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span>");
 104 }
 105
 106 BOOST_AUTO_TEST_CASE (marked_up_test5)
 107 {
 108         std::list<StringText> s;
 109         add (s, "Hello", false, true, false);
 110         add (s, " world.", false, false, false);
 111         BOOST_CHECK_EQUAL (marked_up(s, 1024, 1, ""), "<span weight=\"bold\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span><span size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\"> world.</span>");
 112 }
 113
 114 BOOST_AUTO_TEST_CASE (marked_up_test6)
 115 {
 116         std::list<StringText> s;
 117         add (s, "Hello", true, false, false);
 118         add (s, " world ", false, false, false);
 119         add (s, "we are bold.", false, true, false);
 120         BOOST_CHECK_EQUAL (marked_up(s, 1024, 1, ""), "<span style=\"italic\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">Hello</span><span size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\"> world </span><span weight=\"bold\" size=\"41705\" alpha=\"65535\" color=\"#FFFFFF\">we are bold.</span>");
 121 }
 122
 123
 124 BOOST_AUTO_TEST_CASE(render_text_with_spaces_test)
 125 {
 126         std::list<dcp::SubtitleString> ss = {
 127                 {
 128                         {}, false, true, false, dcp::Colour(255, 255, 255), 42, 1.0,
 129                         dcp::Time(0, 0, 0, 0, 24), dcp::Time(0, 0, 1, 0, 24),
 130                         0.5, dcp::HAlign::CENTER,
 131                         0.5, dcp::VAlign::CENTER,
 132                         0.0,
 133                         dcp::Direction::LTR,
 134                         "                        ",
 135                         dcp::Effect::NONE, dcp::Colour(0, 0, 0),
 136                         {}, {},
 137                         0
 138                 },
 139                 {
 140                         {}, true, false, false, dcp::Colour(255, 255, 255), 42, 1.0,
 141                         dcp::Time(0, 0, 0, 0, 24), dcp::Time(0, 0, 1, 0, 24),
 142                         0.5, dcp::HAlign::CENTER,
 143                         0.5, dcp::VAlign::CENTER,
 144                         0.0,
 145                         dcp::Direction::LTR,
 146                         "Hello                     world",
 147                         dcp::Effect::NONE, dcp::Colour(0, 0, 0),
 148                         {}, {},
 149                         0
 150                 },
 151                 {
 152                         {}, true, false, false, dcp::Colour(255, 255, 255), 42, 1.0,
 153                         dcp::Time(0, 0, 0, 0, 24), dcp::Time(0, 0, 1, 0, 24),
 154                         0.5, dcp::HAlign::CENTER,
 155                         0.5, dcp::VAlign::CENTER,
 156                         0.0,
 157                         dcp::Direction::LTR,
 158                         "                    ",
 159                         dcp::Effect::NONE, dcp::Colour(0, 0, 0),
 160                         {}, {},
 161                         0
 162                 }
 163         };
 164
 165         std::list<StringText> st;
 166         for (auto i: ss) {
 167                 st.push_back({i, 0, make_shared<dcpomatic::Font>("foo"), dcp::SubtitleStandard::SMPTE_2014});
 168         }
 169
 170         auto images = render_text(st, dcp::Size(1998, 1080), {}, 24);
 171
 172         BOOST_CHECK_EQUAL(images.size(), 1U);
 173         image_as_png(Image::ensure_alignment(images.front().image, Image::Alignment::PADDED)).write("build/test/render_text_test.png");
 174 }
 175
 176
 177
 178 #if 0
 179
 180 BOOST_AUTO_TEST_CASE (render_text_test)
 181 {
 182         auto dcp_string = dcp::SubtitleString(
 183                 {}, false, false, false, dcp::Colour(255, 255, 255), 42, 1.0,
 184                 dcp::Time(0, 0, 0, 0, 24), dcp::Time(0, 0, 1, 0, 24),
 185                 0.5, dcp::HAlign::CENTER,
 186                 0.5, dcp::VAlign::CENTER,
 187                 dcp::Direction::LTR,
 188                 "HÄllo jokers",
 189                 dcp::Effect::NONE, dcp::Colour(0, 0, 0),
 190                 {}, {},
 191                 0
 192                 );
 193
 194         auto string_text = StringText(dcp_string, 0, shared_ptr<dcpomatic::Font>());
 195
 196         auto images = render_text({ string_text }, dcp::Size(1998, 1080), {}, 24);
 197
 198         BOOST_CHECK_EQUAL(images.size(), 1U);
 199         image_as_png(Image::ensure_alignment(images.front().image, Image::Alignment::PADDED)).write("build/test/render_text_test.png");
 200 }
 201
 202 #endif