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/*
Copyright (C) 2021 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/>.
*/
#include "pixel_quanta.h"
#include <dcp/raw_convert.h>
PixelQuanta::PixelQuanta (cxml::ConstNodePtr node)
: x(node->number_child<int>("X"))
, y(node->number_child<int>("Y"))
{
}
void
PixelQuanta::as_xml (xmlpp::Element* node) const
{
node->add_child("X")->add_child_text(dcp::raw_convert<std::string>(x));
node->add_child("Y")->add_child_text(dcp::raw_convert<std::string>(y));
}
int
PixelQuanta::round_x (int x_) const
{
return x_ - (x_ % x);
}
int
PixelQuanta::round_y (int y_) const
{
return y_ - (y_ % y);
}
dcp::Size
PixelQuanta::round (dcp::Size size) const
{
return dcp::Size (round_x(size.width), round_y(size.height));
}
PixelQuanta
max (PixelQuanta const& a, PixelQuanta const& b)
{
return { std::max(a.x, b.x), std::max(a.y, b.y) };
}
bool
operator==(PixelQuanta const& a, PixelQuanta const& b)
{
return a.x == b.x && a.y == b.y;
}
bool
operator!=(PixelQuanta const& a, PixelQuanta const& b)
{
return a.x != b.x || a.y != b.y;
}
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