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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 "font_size.h"
using namespace sub;
float
FontSize::proportional (int screen_height_in_points) const
{
if (_proportional) {
return _proportional.get ();
}
return float (_points.get ()) / screen_height_in_points;
}
int
FontSize::points (int screen_height_in_points) const
{
if (_points) {
return _points.get ();
}
return _proportional.get() * screen_height_in_points;
}
FontSize
FontSize::from_points (int p)
{
FontSize s;
s.set_points (p);
return s;
}
FontSize
FontSize::from_proportional (float p)
{
FontSize s;
s.set_proportional (p);
return s;
}
bool
FontSize::specified () const
{
return _proportional || _points;
}
bool
sub::operator== (FontSize const & a, FontSize const & b)
{
return a.proportional() == b.proportional() && a.points() == b.points();
}
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