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/*
Copyright (C) 2016-2018 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DCPOMATIC_STRING_TEXT_H
#define DCPOMATIC_STRING_TEXT_H
#include "font.h"
#include <dcp/subtitle_standard.h>
#include <dcp/text_string.h>
/** A wrapper for dcp::TextString which allows us to:
*
* - include settings that are not applicable to true DCP subtitles.
* For example, we can set outline width for burn-in but this cannot be specified in DCP XML.
*
* - include details of how v_align should be interpreted
*
* - specify the font by referring to a Font object from the content we came from, rather than
* having to use a DCP ID like in dcp::TextString.
*/
class StringText : public dcp::TextString
{
public:
StringText(dcp::TextString dcp_, int outline_width_, std::shared_ptr<dcpomatic::Font> font_, dcp::SubtitleStandard valign_standard_)
: dcp::TextString(dcp_)
, outline_width (outline_width_)
, font (font_)
, valign_standard (valign_standard_)
{}
int outline_width;
std::shared_ptr<dcpomatic::Font> font;
/** Interop and SMPTE use the same VAlign choices (top, center, bottom) but give them different
* meanings. To add some extra confusion, it seems that SMPTE changed their minds on this topic
* between the 2010 and 2014 versions of standard 428-7, so there isn't even one answer for SMPTE.
*
* This is the standard which should be used to interpret v_align() in this subtitle.
*
* valign_standard == SMPTE_{2007,2010} means:
* top - top of screen to top of subtitle
* center - centre of screen to center of subtitle
* bottom - bottom of screen to bottom of subtitle
*
* valign_standard == {INTEROP,SMPTE_2014} means:
* top - top of screen to baseline of subtitle
* center - centre of screen to baseline of subtitle
* bottom - bottom of screen to baseline of subtitle
*/
dcp::SubtitleStandard valign_standard;
};
#endif
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