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/*
Copyright (C) 2014 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.h"
#include "convert_time.h"
using std::list;
using namespace sub;
bool
sub::operator< (Subtitle const & a, Subtitle const & b)
{
if (a.from.frame && b.from.frame) {
return a.from.frame.get() < b.from.frame.get();
}
if (a.from.metric && b.from.metric) {
return a.from.metric.get() < b.from.metric.get();
}
assert (false);
}
void
sub::convert_font_sizes (list<Subtitle>& subs, int screen_height_in_points)
{
for (list<Subtitle>::iterator i = subs.begin(); i != subs.end(); ++i) {
if (i->font_size.proportional) {
i->font_size.points = i->font_size.proportional.get() * screen_height_in_points;
} else {
i->font_size.proportional = float (i->font_size.points.get()) / screen_height_in_points;
}
}
}
void
sub::convert_times (list<Subtitle>& subs, float frames_per_second)
{
for (list<Subtitle>::iterator i = subs.begin(); i != subs.end(); ++i) {
if (i->from.frame) {
i->from.metric = frame_to_metric (i->from.frame.get(), frames_per_second);
} else {
i->from.frame = metric_to_frame (i->from.metric.get(), frames_per_second);
}
if (i->to.frame) {
i->to.metric = frame_to_metric (i->to.frame.get(), frames_per_second);
} else {
i->to.frame = metric_to_frame (i->to.metric.get(), frames_per_second);
}
}
}
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