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/*
Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#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,
Colour colour,
int size,
float aspect_adjust,
Time in,
Time out,
float h_position,
HAlign h_align,
float v_position,
VAlign v_align,
string text,
Effect effect,
Colour effect_colour,
Time fade_up_time,
Time fade_down_time
)
: _font (font)
, _italic (italic)
, _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)
, _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.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.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";
}
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())
<< ", effect " << ((int) sub.effect()) << ", effect colour " << sub.effect_colour();
return s;
}
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