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/*
Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
This file is part of libdcp.
libdcp 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.
libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
In addition, as a special exception, the copyright holders give
permission to link the code of portions of this program with the
OpenSSL library under certain conditions as described in each
individual source file, and distribute linked combinations
including the two.
You must obey the GNU General Public License in all respects
for all of the code used other than OpenSSL. If you modify
file(s) with this exception, you may extend this exception to your
version of the file(s), but you are not obligated to do so. If you
do not wish to do so, delete this exception statement from your
version. If you delete this exception statement from all source
files in the program, then also delete it here.
*/
#include "subtitle_string.h"
#include "xml.h"
#include <cmath>
using std::string;
using std::ostream;
using boost::optional;
using namespace dcp;
/** @param v_position Vertical position as a fraction of the screen height (between 0 and 1) from v_align */
SubtitleString::SubtitleString (
optional<string> font,
bool italic,
bool bold,
bool underline,
Colour colour,
int size,
float aspect_adjust,
Time in,
Time out,
float h_position,
HAlign h_align,
float v_position,
VAlign v_align,
Direction direction,
string text,
Effect effect,
Colour effect_colour,
Time fade_up_time,
Time fade_down_time
)
: _font (font)
, _italic (italic)
, _bold (bold)
, _underline (underline)
, _colour (colour)
, _size (size)
, _aspect_adjust (aspect_adjust)
, _in (in)
, _out (out)
, _h_position (h_position)
, _h_align (h_align)
, _v_position (v_position)
, _v_align (v_align)
, _direction (direction)
, _text (text)
, _effect (effect)
, _effect_colour (effect_colour)
, _fade_up_time (fade_up_time)
, _fade_down_time (fade_down_time)
{
}
int
SubtitleString::size_in_pixels (int screen_height) const
{
/* Size in the subtitle file is given in points as if the screen
height is 11 inches, so a 72pt font would be 1/11th of the screen
height.
*/
return _size * screen_height / (11 * 72);
}
bool
dcp::operator== (SubtitleString const & a, SubtitleString const & b)
{
return (
a.font() == b.font() &&
a.italic() == b.italic() &&
a.bold() == b.bold() &&
a.underline() == b.underline() &&
a.colour() == b.colour() &&
a.size() == b.size() &&
fabs (a.aspect_adjust() - b.aspect_adjust()) < ASPECT_ADJUST_EPSILON &&
a.in() == b.in() &&
a.out() == b.out() &&
a.h_position() == b.h_position() &&
a.h_align() == b.h_align() &&
a.v_position() == b.v_position() &&
a.v_align() == b.v_align() &&
a.direction() == b.direction() &&
a.text() == b.text() &&
a.effect() == b.effect() &&
a.effect_colour() == b.effect_colour() &&
a.fade_up_time() == b.fade_up_time() &&
a.fade_down_time() == b.fade_down_time()
);
}
ostream&
dcp::operator<< (ostream& s, SubtitleString const & sub)
{
s << "\n`" << sub.text() << "' from " << sub.in() << " to " << sub.out() << ";\n"
<< "fade up " << sub.fade_up_time() << ", fade down " << sub.fade_down_time() << ";\n"
<< "font " << sub.font().get_value_or ("[default]") << ", ";
if (sub.italic()) {
s << "italic, ";
} else {
s << "non-italic, ";
}
if (sub.bold()) {
s << "bold, ";
} else {
s << "normal, ";
}
if (sub.underline()) {
s << "underlined, ";
}
s << "size " << sub.size() << ", aspect " << sub.aspect_adjust() << ", colour " << sub.colour()
<< ", vpos " << sub.v_position() << ", valign " << ((int) sub.v_align())
<< ", hpos " << sub.h_position() << ", halign " << ((int) sub.h_align())
<< ", direction " << ((int) sub.direction())
<< ", effect " << ((int) sub.effect()) << ", effect colour " << sub.effect_colour();
return s;
}
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