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