2 Copyright (C) 2014-2018 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
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.
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.
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/>.
22 #include "dcpomatic_time.h"
23 #include "position_image.h"
25 #include "string_text.h"
35 std::string marked_up(std::vector<StringText> subtitles, int target_height, float fade_factor, std::string font_name);
36 std::vector<PositionImage> render_text(std::vector<StringText>, dcp::Size, dcpomatic::DCPTime, int);
37 std::vector<dcpomatic::Rect<int>> bounding_box(std::vector<StringText> subtitles, dcp::Size target, boost::optional<dcp::SubtitleStandard> override_standard = boost::none);
43 FontMetrics(int target_height)
44 : _target_height(target_height)
47 float baseline_to_bottom(StringText const& subtitle);
48 float height(StringText const& subtitle);
51 /** Class to collect the properties of a subtitle which affect the metrics we care about
52 * i.e. baseline position and height.
57 Identifier(StringText const& subtitle);
59 std::shared_ptr<dcpomatic::Font> font;
63 bool operator<(Identifier const& other) const;
66 using Cache = std::map<Identifier, std::pair<float, float>>;
68 Cache::iterator get(StringText const& subtitle);