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/*
Scan Tailor - Interactive post-processing tool for scanned pages.
Copyright (C) 2007-2008 Joseph Artsimovich <joseph_a@mail.ru>
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "Dpm.h"
#include "Dpi.h"
#include "imageproc/Constants.h"
#include <QImage>
#include <QtGlobal>
using namespace imageproc;
Dpm::Dpm(QSize const size)
: m_xDpm(size.width()),
m_yDpm(size.height())
{
}
Dpm::Dpm(Dpi const dpi)
: m_xDpm(qRound(dpi.horizontal() * constants::DPI2DPM)),
m_yDpm(qRound(dpi.vertical() * constants::DPI2DPM))
{
}
Dpm::Dpm(QImage const& image)
: m_xDpm(image.dotsPerMeterX()),
m_yDpm(image.dotsPerMeterY())
{
}
bool
Dpm::isNull() const
{
return Dpi(*this).isNull();
}
QSize
Dpm::toSize() const
{
if (isNull()) {
return QSize();
} else {
return QSize(m_xDpm, m_yDpm);
}
}
bool
Dpm::operator==(Dpm const& other) const
{
return m_xDpm == other.m_xDpm && m_yDpm == other.m_yDpm;
}
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